TW418445B - Exterior knife-edge, interior knife-edge, core drill and processing apparatus using the same - Google Patents

Abstract

A kind of exterior knife-edge which is characterized that comprising a disk-like metal substrate and the blade configured at the exterior of the metal substrate and attached with grinding particles; configuring the grinding layer formed by the attached grinding particles on the side of the metal substrate and the blade and making the front end of the blade as a protruded portion. A kind of interior knife-edge which is characterized that comprising a disk-like hollow substrate with a hollow portion and the blade configured at the interior of the hollow substrate and attached with grinding particles; configuring the grinding particles layer formed by the attached grinding particles on the side of the hollow substrate. A kind of core drill which is characterized that comprising a drillstock and the cup-like disk core blade formed with the disk-like upper wall and the cylindrical side wall at the front end of the drillstock; configuring the grinding wheel at the front end of the disk core blade and attached with grinding particles; the core drill, spherically polishing the work piece and for drilling while rotating the grinding wheel with attaching the work piece; configuring the grinding particles layer formed by the attached grinding particles on the interior and exterior of the cylindrical side wall of the disk-like blade. A kind of core drill processing apparatus which is characterized that comprising: (a) working table carrying the work piece and the core drill processing apparatus body located on top of the working table and configured with the rotating axis of the working table detachably and rotatably; and (b) the core drill configured with the rotating axis.

Description

Printed by the Consumer Goods Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs A7 _—_ Β7 V. Description of the invention (1) (Technical field to which the invention belongs) The present invention relates to a cutting and processing of metal materials, ceramic materials, semiconductor single crystal materials, glass Materials, crystal materials, stone materials, asphalt materials, concrete materials and other hard materials, such as outer peripheral blades, inner peripheral blades, cutting processing devices using the outer peripheral blades and inner peripheral blades, and holes for hard materials The core drill used and the core drill processing device that drives the core drill β (connected technology) The conventional peripheral cutting edge and cutting processing device using the peripheral cutting edge will be described with reference to FIGS. 18 to 21 as described in Section 1 As shown in FIG. 8, the conventional outer peripheral blade 10 is a disc-shaped metal substrate 12 rotating at a high speed, and diamond abrasive grains or C Β Ν abrasive grains are fixed to the outer periphery through metal bonding, resin bonding, electrocoating, and the like. The segmented portion 14 is formed. 16 is a shaft hole which is inserted in the center of the metal substrate 12. The 18-series cutting processing device includes a rotary drive unit 20. 'having a driving means such as a motor and a rotary shaft 22 connected to the rotary drive unit 20 [Fig. 19 (a), (b)]. When using conventional peripheral blades 10 to cut glass, ceramics, semiconductor crystal materials, crystal tree materials, stone materials, azure materials, concrete materials, and other hard materials such as plates, rods, tubes, etc., Since the shape of the blade portion 14 of the peripheral blade 10 is concave to the metal substrate 12, that is, the shape of the front end surface is formed into a flat surface [Fig. 18 (c)], and therefore, it is cut off by passing through the peripheral blade 10. The cut size of the object G applies the Chinese national standard (CNS> A4 size ⑵〇χ297297 meals) -4-(谙 Read the precautions on the back before filling in this page) Binding -------- -1々 · 4 ^ 8445 A7 B7 Consumption cooperation between employees of the Intellectual Property Bureau of the Ministry of Economic Affairs 钍 Printed 5. Description of the invention (2) The cutting resistance will be generated between the cut object G and the peripheral blade 10 [第20 (a) Figure] Because this cutting resistance is the rain effect of bending the object G to be cut and the effect of bending the metal substrate 12 of the outer blade 10 simultaneously, the cutting resistance is cut. The object G comes into contact with the side 1 2 a of the metal substrate 1 2 of the outer cutting edge 10, and debris will occur. chipping) (Phenomena of cracking or lack of U on the cutting surface of the object G to be cut [Figure 20 (b)]. Also, the bending of the metal substrate 12 caused by the outer and outer peripheral blades 10 during cutting [The (Fig. 21 (b)) is the cause, the cutting surface M is bent, and a clearance phenomenon of the peripheral blade 10 is generated at the end of the cutting [Fig. 2 1 (c)], and burrs are left at the end of the cutting. Ν [Fig. 21 (d)]. In addition, the conventional inner peripheral knife and the cutting processing device for cutting the inner peripheral edge will be described with reference to Figs. 26 to 28. Figs. As shown in Fig. 28, the conventional inner peripheral blade 1 1 0 is composed of a substrate 1 1 4 (such as a ring-shaped thin metal substrate) inserted in a high-speed rotating hollow 1 1 2 and metal and resin bonding. , Electrocoating, etc. It consists of the blade part 1 1 6 which fixes abrasive grains (cutting abrasive grains) to its inner periphery. In Fig. 27, 1 2 0 is a conventional cutting processing device, which has a _ The bearing member 1 2 4 is rotatably mounted on the rotation shaft 126 of the abutment 1 2 2 »A rotation cylinder 130 is mounted on the upper end of the rotation shaft 126. The rotation cylinder 1 3 0 is a circular bottom plate 1 3 0 a And erection The bottom plate 130 of the cylindrical side plate A 130 B is formed. (Read Notes on the back and then fill the page) installed

IIII buckle 64 IIII hi This paper size applies to China National Standard (CNS) A4 (210 * 297 mm) -5-Printed by the Intellectual Property Bureau Employee Consumer Cooperatives of the Ministry of Economy r 418445 A7 _; ______ B7____ V. Description of Invention (3) A cutting fluid discharge path 128 is formed in the central portion of the rotating shaft 1 2 6 in the longitudinal direction and the central portion of the bottom plate 130 a of the rotating cylinder 1 3 〇, so as to form a discharge which can flow down during cutting and drop on the bottom plate 1.硏 Cutting fluid on 3 0 a. The peripheral edge portion of the upper end of the side plate 1 3 0 b is attached with an outer peripheral edge 1 1 0 having a structure shown in FIG. 9 via a mounting plate 1 3 2. For 1 3 4 series motors, install a motor belt pulley 1 3 8 on the motor shaft 1 3 6. A central part of the rotating shaft 1 2 6 corresponds to the motor pulley 1 38. A pulley 1 4 0. 1 4 2 is a drive belt. The suspension is suspended on a motor pulley 138 and a pulley 140. When the motor 1 3 4 is driven, the rotation is transmitted to the rotation shaft 1 2 6 via the motor pulley 1 3 8 and the driving belt 1 4 2 and the pulley 1 40 to form a state in which the rotation shaft 1 2 6 is rotated. Simultaneously with the rotation of the rotation shaft 126, the rotation cylinder 130, the mounting plate 1 3 2 and the inner peripheral blade 1 1 0 rotate together. The rotating blade portion 1 1 abuts the object G to be cut, and the blade portion 1 1 6 cuts the object G to be cut. 144 and 146 are bearing members attached to a peripheral wall portion of the rotating shaft 126. Using conventional inner blade 1 1 10, it is made of hard materials such as glass materials, ceramic materials, semiconductor single crystal materials, crystal materials, stone materials, bituminous materials, or coagulated materials while being held in the workpiece holder. When cutting the object G such as a plate, a rod, a tube, or an ingot, cutting is performed as the cutting object G generates cutting resistance between the object G to be cut and the inner peripheral blade 1 10. This cutting resistance is performed by bending the inner peripheral blade 110. Therefore, the cutting object is brought into contact with the side surface of the inner peripheral blade 110 to generate contact resistance. This paper size applies Chinese National Standard (CNS) A4 specification (210 * 297 mm) -6- {Please read "Cautions on the back before filling this page", and install -I! Order ·! 41844 5 A7-B7 V. Description of the invention (4) By cutting resistance and contact resistance, as shown in Figure 2 8 (c), the inner peripheral blade 1 1 0 is more curved, and as a result, it is cut after cutting. The cut surface of the broken object G will warp. Once the curved inner peripheral blade 1 10 is unable to be restored to its original state, it has the disadvantage that the cutting surface of the object G to be bent is still curved when cutting thereafter. As shown in FIG. 29, the conventional coring core 2 1 2 is a steel drill shank 2 1 4 serving as a rotating shaft and has a disc-shaped upper wall 2 1 6 a and a cylindrical side wall 2 1 6 at the front end. cup-shaped disc core blade part 2 1 6 constituted by b; a grinding wheel part _2 1 8 is provided at the front end of the disc core blade part 216 with fixed abrasive particles such as metal bonding, resin bonding, electrocoating, etc. The driving shank 214 is rotated with the core insert portion 216 and the grinding wheel portion 2 1 8 by driving means, and the grinding wheel portion 2 1 8 is abutted against the workpiece W, and the workpiece is circularly chamfered. Objects and tools that can make holes. A shank 2 1 4 of the core drill 2 1 2 is provided with a shaft center through-hole 2 2 2 for supplying the cutting fluid 2 2 0 to the cutting field. For example, when cutting a workpiece W such as glass, if the cutting fluid 2 2 0 is supplied to the shaft through-hole 2 2 2. This cutting fluid 2 2 0 cools the cutting area while passing through the clearance between the end surface and the inner and outer peripheral surfaces of the grinding part 2 1 8 and the cutting surface of the workpiece W while washing the flowing workpiece W. The chip powder and the abrasive particles (hereinafter referred to as cutting powder) are discharged to the outside together. Therefore, as the driving speed of the core drill 2 1 2 is increased, the life of the grinding wheel portion 2 1 8 is also extended. However, when using the conventional core drill 2 1 2 described above, when a workpiece W such as a thick glass is subjected to a hole-cutting process, as the cutting progresses, the paper size of the paper is subject to the Chinese National Standard (CNS> A4 size (210 X 297 mm) (please read the note f on the back before filling out this page)

-R Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs for the cooperation of industrial printing 41844 5 A7 B7 Customs of the Intellectual Property Bureau of the Ministry of Economic Affairs for the consumption of industrial cooperation ti = pai V. Description of the invention (5) When the depth increases, the above-mentioned gap will flow The liquid 2 2 0 system became extremely resistant. In this case, the flow rate of the cutting fluid supplied through the axial center through-hole 2 2 2 is limited in its supply pressure, and rapidly decreases. As a result, the above-mentioned cooling effect and washing depth effect can hardly be exerted, resulting in Glass cutting powder and falling abrasive particles (cutting powder, etc.) 2 2 4 Clogged inside and outside of the workpiece W 2 2 6 a, 2 2 6 b and inner and outer sides of the grinding wheel portion 218 of the core drill 212 ( (Fig. 30), there is a problem that the cutting speed of the core drill 2 1 2 is reduced, or the cutting speed is sharply reduced, and the cutting cannot be performed. In order to solve this problem, the honing process is performed until it is a little liquid than the height of the grinding wheel part 2 1 8. After that, the honing process is temporarily stopped, and the core drill 2 1 2 is pulled out from the workpiece to remove the blockage and be processed. Grinding sides 2 2 6 a, 2 2 6 b and coring drills 2 1 2 on the inner and outer sides of the object W. Cutting powder of glass and falling abrasive particles (cutting powder, etc.) on the inner and outer peripheral surfaces of 2 1 8 2 After 24, the machining method for re-starting is performed. Therefore, the problem of increasing the cutting process has the problem of increasing the cost. In addition, since the front end surface of the rocking part 218 of the conventional core drill 212 is a flat surface, when the grinding wheel part 2 1 8 passes through a workpiece W such as glass when the hole-cutting process is completed, stress will be applied to the workpiece W The wide range R of the penetration surface (Fig. 31), but in the range larger than the drill diameter, it is easy to produce cracks or broken shoulders, which will damage the quality. For cutting or drilling of hard materials, the outer edge, inner edge or core drill of the blade part or grinding wheel part with diamond abrasive grains with the highest hardness is generally used. Material (Please read the precautions on the back before filling this page) Loading I nr I --- Order --- .JBi This paper size is applicable to China National Standard (CNS) A4 (210 * 297 mm)- 8 ^ 4184 4 5 A7 B7 V. Description of the invention (6) The diamond blade part or the diamond grinding wheel part will become high temperature during feeding. The high temperature will cause the diamond blade part or the diamond grinding wheel part to burn. Β In this case, it is particularly applicable. Although the C Β Ν blade part or C Β Ν grinding wheel part has a C Β outer peripheral edge, a CBN inner peripheral edge, or a CBN coring drill, which has a lower hardness than diamond but has excellent heat resistance. CBN boron nitride of cubic sphalerite type structure, also known as cubic boron nitride (Borazon) ^ CBN has excellent heat resistance and hardness second to diamond, so it can be used as various tools or honing material. (Problems to be Solved by the Invention) In order to solve the above-mentioned problems of the conventional peripheral blades, the inventors of the present case first studied intensively and found that in order to reduce the cutting resistance during cutting, the shape of the front end face of the blade portion was made into a protrusion. The shape instead of the flat surface can reduce the cutting resistance. In particular, the angle of the front end of the shape of the protrusion on the front end surface of the blade portion is preferably set to 45 ° to 120 °, which can reduce the cutting resistance well. Next, the inventors of the present case have discovered that by providing a particle layer on the side of the metal substrate of the peripheral knife, it is possible to prevent debris generated when the cutting object is deflected by cutting resistance during cutting and contacts the peripheral blade. And to prevent the curvature of the outer edge of the blade from becoming the cause, the cutting surface is bent, and the phenomenon of the clearance of the outer edge of the blade is generated at the end of the cutting, and the occurrence of burrs can be prevented, and the present invention is finally completed. The first item of the present invention is to provide a method which can reduce the cutting resistance during cutting and prevent the cutting object from being cut by cutting resistance during cutting. (Please read the precautions on the back before filling in this page)

Equipment · — Order · — II Intellectual Property Bureau of the Ministry of Economic Affairs has X Consumption Combination: 41 papers in this paper are applicable to China National Standard (CNS) A4 specifications (210 X 297 Public Love > -9- A7 ν Λ'θ " 5 __B7_____ V. Description of the invention (7) (Please read the precautions on the back before filling out this page) Debris generated when it comes into contact with the outer edge of the blade and prevents the outer edge of the blade from cutting at the end of cutting The gap phenomenon can also prevent the occurrence of burrs on the peripheral cutting edge and the cutting processing device. The inventors of this case have intensively studied to solve the above-mentioned problems of the conventional internal cutting edge, and found that the side of the hollow substrate with the internal cutting edge is provided on the side of the hollow substrate. The abrasive grain layer can be reduced well by cutting the object to be cut by cutting and cutting through the blade portion of the cutting layer. The cutting resistance between the cut object and the inner peripheral blade can greatly reduce the contact resistance between the two, and finally completed the present invention. The second item of the present invention is to provide a method that can reduce the quilt in progress during cutting. Of the cutting object and the inner blade At the same time, the breaking resistance can greatly reduce the contact resistance of the rainer, and it can solve the inconvenient inner cutting edge and cutting processing device that bend the inner cutting edge during cutting, which will cause the cutting surface of the cut object to bend. The third item of the present invention is created by the creator in view of the above-mentioned problems of the core drill in the past, and provides a method for effectively removing the blockage between the core drill and the workpiece in all the processes of milling. Glass cutting powder and abrasive particles can shorten the cutting time, and at the same time can completely avoid the occurrence of cracks, debris and other missing core drills when the core drill is pulled out from the workpiece and drive the core drill process. Device. (Means used to solve the problem) In order to achieve the first item described above, the outer peripheral blade of the present invention is characterized by having a disc-shaped metal substrate, and the outer paper is provided outside the metal substrate. Standard (CNS) A4 specification (210 X 297 mm) · 10- 418445 A7 B7 V., the invention is set) The blade part where the abrasive particles are fixed: on the side and surface of the metal substrate and the blade part An abrasive particle layer formed by the fixed abrasive particles is arranged on the inside, and the shape of the front end surface of the blade portion is used as the shape of the protrusion β. It is desirable to have a thickness that is only about 0_05 mm thicker than the thickness of the blade portion. The diamond abrasive particles constituting the abrasive particle layer are finer than the abrasive particles constituting the blade portion, that is, finer than, for example, # 1 7 0 For example, # 2 0 0 is preferable. The abrasive particle layer may be provided on the side surface of the metal substrate, and may be partially installed. In the case of partial installation, the installation state is not particularly limited, but Appropriate settings such as a spiral shape, a spiral shape, a radial shape, a majority of concentric circles, a majority of dots, and the like are adopted. As the abrasive grains' constituting the blade portion, diamond abrasive grains and / or C B N abrasive grains can be used. The abrasive grain layer is composed of diamond abrasive grains and / or other abrasive grains. Examples of other abrasive particles include s i c, A I2O3 ·, Z r0 2 ′ S i3Nd, CBN, and / or ΒΝ ·. The consumption of employees of the Intellectual Property Bureau of the Ministry of Economic Affairs is compatible; iL'al, of course, these abrasive grains can be used alone 'or a plurality of abrasive grains can be used in combination. The tip angle of the shape of the protrusion of the front end face of the blade portion is 45. To 1 2 0. More preferably, it is more preferably set at 60 ° to 90 °. . If the front end of the shape of the protrusion of the blade part is less than 4 degrees, "although the cutting resistance is reduced, the friction of the blade part will increase." Male 3Π " 11 'A7

4lS445 V. Description of the invention Φ) The life of the peripheral blade will shorten this part, and the front end angle will exceed ^ 2 0. In this case, although the effect of reducing the cutting resistance can reduce this part, the effect of the invention can be achieved even in these angle ranges without change. Examples of the hard material to be cut by the peripheral blade include a metal material, a glass material, a ceramic material, a semiconductor single crystal material, a crystal material, a stone material, an asphalt material, and a concrete material. The glass materials include quartz glass materials, soda-lime glass materials, borax acid glass materials, and lead glass materials. Specific examples of the ceramic material include Si rods, alumina rods, and the like. As the semiconductor single crystal material, there are a silicon single crystal or an ingot arsenic single crystal. The outer peripheral blade and the outer peripheral blade are rotated at a high speed. The rotary drive unit constitutes a peripheral cutting device for cutting edges, and can cut the object to be cut made of the hard material as described above while reducing the cutting resistance, which can prevent debris and burrs. In order to achieve the above-mentioned second item, the inner peripheral blade of the present invention is characterized by having a disc-shaped hollow substrate penetrating a hollow portion, and a blade portion provided on the inner peripheral portion of the hollow substrate and holding abrasive grains; An abrasive grain layer formed by fixing abrasive grains is provided on a side surface of the hollow substrate. The height of the side of the grain layer is smaller than the height of the side of the blade portion, that is, the thickness of the abrasive grain layer is preferably thicker than the thickness of the blade portion by, for example, about 0-05 mm. The abrasive grains constituting the abrasive grain layer are finer than the abrasive grains constituting the blade portion. That is, the abrasive grains are finer than, for example, # 1 7 0, such as the abrasive of # 2 0 0. < Please fill in this page again) ---- Order—

i I The papers printed by the Intellectual Property Bureau of the Ministry of Economic Affairs f Cooperatives are printed in accordance with Chinese national standards (CNSXA4 specifications < 210 X 297 mm) -12- Printed by the Intellectual Property Bureau Employees Consumer Cooperatives of the Ministry of Economic Affairs 418445 A7 ____ B7 ____ 5. Description of the invention (1) The grains are ideal. The abrasive grain layer may be provided on the entire side surface of the metal substrate, or may be partially provided. In the case of partial installation, the installation form is not particularly limited, and for example, a spiral form, a spiral form, a radial form, a majority of concentric circles, a multi-point form, or the like may be appropriately adopted. As the abrasive grains constituting the blade portion, diamond abrasive grains and / or C B N abrasive grains can be used. The abrasive grain layer is composed of diamond abrasive grains and / or other abrasive grains. Examples of other abrasive particles include Si C, Al203, Zr02, Si3N4, CBN, and / or BN. These abrasive grains may be used singly or in combination of a plurality of abrasive grains as appropriate. The shape of the front end face of the blade portion is preferably a protrusion shape. The front end angle of the shape of the protrusion of the front end face of the blade portion is preferably 45 ° to 120 °, and more preferably set to 60 ° to 90 °. Examples of the hard material to be cut by the inner peripheral blade include the same hard materials as in the case of the outer peripheral blade. The cutting device is formed by the above-mentioned inner peripheral blade and a rotation driving unit that rotates the inner peripheral blade at high speed, and the cutting can be performed while reducing the cutting resistance of the cutting object made of the hard material. It can prevent the bending of the inner peripheral blade and prevent the cutting surface from bending. In order to achieve the third item, the core drill of the present invention is characterized by having a shank and a cup-shaped core insert formed by a disc-shaped upper wall and a cylindrical side wall provided at the front end of the shank. Part, and the grinding wheel part which is installed on the front end part of the disc core blade part and holds the abrasive grains: Rotate the grinding wheel part by one side (please read the precautions on the back before filling this page) Binding----

«II f, this paper size applies the Chinese National Standard (CNS) A4 specifications < 210 X 297 public«)-13- Printed by the Shellfish Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 4 彳 8445 A7 ._B7 _____ V. Description of the invention ( 11) —Coring drill whose surface is in contact with the workpiece, and the workpiece is circularly cut to form a hole. The inner peripheral surface and the outer peripheral surface of the cylindrical side wall of the disc-shaped blade portion are fixedly installed. A layer of abrasive particles formed by abrasive particles. As the abrasive grains constituting the abrasive grain layer, it is preferable to use abrasive grains having a finer composition than the abrasive grains of the abrasive wheel layer. There is no particular limitation on the formation of the abrasive grain layer, but it is preferable to provide the abrasive grain layer in a spiral shape. By providing the abrasive grain layer, the cutting powder generated during the milling is re-milled to a finer particle size, and it can be fully ensured by the discharge from the gap between the core drill and the workpiece. The supply and discharge amount of cutting fluid can become an efficient cutting process. By forming the shape of the front end face of the grinding wheel portion into a protrusion shape, it is possible to significantly reduce the loss of cracks, chips, and the like that occur when the core drill is pulled out of the workpiece. The front end of the shape of the protrusion on the front end surface of the grinding wheel is preferably 45 ° to 120 °. As the abrasive grains constituting the grinding wheel portion, diamond abrasive grains and / or C B N abrasive grains can be used. The abrasive grain layer is composed of diamond abrasive grains and / or other abrasive grains. Examples of other abrasive particles include Si C, A 1203, Z r02, Si 3N.i, CBN, and / or BN. The core drilling processing device of the present invention is characterized by comprising: (a) a worktable on which a workpiece is placed; and a position above the workpiece table, which is detachably and rotatably provided on the workpiece table. The core drill processing device body composed of the rotating shaft, and (b) the above-mentioned core drill mounted on the rotating shaft. As the main body of the above (a) core drilling processing device, it is also possible to use the stand II ---- II -------------------- order ----- • V 丨 · '(please first M read the note on the back of the table and fill in the% page again.> This paper size applies to China National Standard (CNS) A4 specification (210 * 297 mm) -14- 418445 A7 B7 Printed by the Employees ’Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs (5) Description of the invention (12), and a workpiece table provided on the upper center portion of the pedestal and on which a workpiece is placed, and a support provided on the peripheral portion of the pedestal, and freely moved up and down through the support It is composed of a freely installed rotating shaft. (Embodiments of the invention) Hereinafter, embodiments of the outer peripheral blade of the present invention will be described with reference to Figs. 1 to 4 of the drawings. Figs. 1 to 4 The same or similar components as those in Figures 18 to 21 are described using the same symbols. In Figure 1, the outer peripheral blade 11 of the present invention is a disc-shaped metal that rotates at high speed in the same manner as in the past. The substrate 12 and a blade portion 15 in which abrasive grains are fixed to the outer periphery thereof by metal bonding, resin bonding, electrocoating, etc. 1 The 6 series is a shaft hole provided in the center portion of the metal substrate 12. The 8 series outer peripheral cutting device includes a rotary drive section 20 and a rotary shaft 22 as in the past [Nos. 2 (a), (b) Figure] 〇 The first feature of the outer peripheral blade 11 of the present invention is the cross-sectional shape of the blade portion 15, as shown in Figure 1 (C) in detail, and a protrusion shape having a front angle Θ is formed on the front surface. From this shape, compared with the conventional front flat shape, as shown in Fig. 4 (a), cutting resistance can be reduced-the tip angle β of the shape of the protrusion of the front end face of the blade portion 15 is set to 4 5 ° A range of 120 ° is ideal. If the front end angle 0 is less than 45 °, the cutting resistance will be reduced, but the friction of the blade portion 15 will be increased, and the life of the peripheral blade 11 will be shortened by this amount. Also, {Please read the unintentional matter on the back of the book before filling in this page.) Binding ---- Order --- I ----- ^ lwl. I! This paper size applies to China National Standard (CNS) A4 (210 * 297 mm) '15-418445 A7 B7 V. Description of the invention (13) (Please read the precautions on the back before filling this page) If the blade When the front end angle 0 exceeds 120 °, the effect of reducing the cutting resistance will be small, but it will not change the effect of the invention. The more desirable range of the front end angle 0 is 60 ° to 90 °. In the example of the figure, the case of Θ = 90 ° is shown as a more ideal example. The second feature of the outer peripheral blade 11 of the present invention is as shown in Fig. 1 (a) (b). When the abrasive particle layer 1 3 is provided on the side surface of the metal substrate 12 of 1 1 1 3, the abrasive resistance layer 13 is provided during the cutting process, and the cutting object G is deformed by the cutting resistance and comes into contact with the outer blade 11 , Can prevent the unavoidable debris of the peripheral blade 10.

n I covers the metal substrate 12 of the outer peripheral blade 1 1 with the abrasive grains on the rain side surface 1 2 a of the abrasive grain layer 1 3. Therefore, the outer peripheral blade 1 1 is covered by the abrasive grain layer 13, and its strength is Increasing * can avoid the bending of the outer peripheral blade 1 1 during cutting, so it can avoid bending of the cutting surface, and it will not produce the clearance phenomenon of the outer peripheral blade 1 1 at the end of cutting, and it can also completely prevent the occurrence Unedged [Fig. 4 (a), (b), (c)]. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The abrasive grains used in the outer peripheral blade 11 of the present invention are about # 1 7 0 for the blade portion 15 as before. On the other hand, the abrasive grains of the abrasive grain layer 13 are finer grains than the abrasive grains of the blade portion 15, for example, about # 2 0 0 is preferable. The height of the side surface of the abrasive particle layer 13 is preferably smaller than the height of the side surface of the blade portion 15. If the height of the side surface of the abrasive particle layer 13 is larger than the height of the side surface of the blade portion, it is inconvenient to cause difficulty in cutting operation. This paper size is applicable to Chinese National Standard (CNS) A4 specification (210x297 mm) -16-418445 A7 _ _ B7 V. Description of the invention (14) (Please read the precautions on the back before filling in this page > above abrasive layer 1 3 'is provided on the entire side i 2 a of the metal substrate 12, but it can also be installed locally. When it is locally installed, there is no particular limitation on its installation state. For example, a spiral shape, Vortex shape, radial shape, majority concentric circle shape, majority shape, etc. As the hard material for the cutting process by the outer peripheral blade 11 of the present invention, metal materials, glass materials, ceramics can be exemplified. Materials' Semiconductor single crystal materials, stone materials, asphalt materials, concrete materials, etc. Specific metal materials include magnetic materials such as steel rods, stainless steel tubes, ferrite magnets, etc., and silicon single crystal materials include silicon single crystals. Crystals or ingot arsenic single crystals, etc. As ceramic materials, there are rods, tubes, blocks, plates, etc. of Si C or Ming, etc. As glass materials, there are quartz glass materials, soda lime glass materials, and silicate glass. Glass materials, and lead glass materials.

I n I and below 'will describe the embodiment of the inner peripheral blade of the present invention with reference to Figs. 5 to 12. As shown in Figures 5 to 7, the inner peripheral blade 111 of the present invention is printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. As in the past, the high-speed rotating hollow section 1 1 3 is placed on the substrate of the central section. 1 1 5 (for example, a groove-shaped thin metal substrate, for example, about 1000 to 2000 μm thick) 'and its inner peripheral portion is fixed with abrasive particles (cut-off abrasive) such as metal bonding, resin bonding, and electrocoating. Grain). The blade portion i 7 is constituted. In FIG. 6, 121 is the inner peripheral cutting device of the present invention. In addition to the inner peripheral blade 1 1 1 of the present invention, it is shown in FIG. The conventional cutting and processing device of Fig. 5 has the same structure, so the dimensions of this paper are omitted. The Chinese standard (CNS) A4 (210 X 297 public love) is applied. -17- A7 418445 ___B7___ 5. Description of the invention (15) Repeat the description. As in the case of FIG. 25, the inner peripheral blade 1 1 1 is rotated by the driving motor 1 3 4 and the object G is abutted against the rotating blade portion 117 俾Via this blade part 1 1 7 is cut. The characteristics of the inner peripheral blade 111 of the present invention are as shown in FIG. 5 (a) (b). The side 1 1 5 a of the substrate 11 5 of the inner peripheral blade 1 1 1 is provided with metal bonding, resin bonding, electrical Coat the abrasive grain layer of fixed abrasive grains (cutting abrasive grains) 1 1 8. By providing the abrasive grain layer 1 1 8 in this way, the inner peripheral blade 11 is bent due to the cutting resistance during cutting. When contacting the workpiece G, the contact portion is caused by the abrasive grain layer 1 1. 8 is honed, so the contact resistance that could not be avoided in the conventional inner blade 110 can be greatly reduced. Since both sides 1 1 5 a of the substrate 1 1 5 of the inner peripheral blade 1 1 1 are covered with abrasive grains to form an abrasive grain layer 1 1 8, the inner peripheral blade 1 1 1 passes through the abrasive grain layer 1 Cover it with 18 to increase its strength and avoid bending of the inner cutting edge 1 1 1 during cutting. Therefore, the cut surface can also avoid bending [Figure 7 (a) (b) (c)]. The abrasive grains used for the inner peripheral blade 111 of the present invention may be about # 1 7 0 for the blade portion 1 1 7 as in the past. On the other hand, the abrasive grains of the abrasive grain layer 118 are finer grains than the abrasive grains of the blade portion 117, for example, about # 2 0 0 is preferable. The side height of the abrasive layer 1 1 8, that is, the thickness (for example, about 40 to 140 / im) is greater than the side height 1 of the blade part 117, that is, more than the thickness (for example, about 50 to 1 5 0 # m). Small is ideal. If this paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm), please read the precautions on the back before filling out this page.) Pack --- Order 11-Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs ^ 18-Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

Vi 41844 5 Α7 _ Β7 V. Description of the invention (16) The side height of the abrasive grain layer 1 1 8 is larger than the side height of the blade part, which makes it difficult to cut the operation body. The above-mentioned abrasive particle layer 1 1 8 may be provided on the entire surface 1 1 5 a of the side surface of the substrate 1 15, but may be partially provided. When it is installed locally, there is no particular limitation on its installation state. For example, a majority of dots (Fig. 8), a majority of concentric circles (Fig. 9), a spiral shape or a spiral shape (such as Figures 10 and 11), radial (Figure 12) and other settings. The cross-sectional shape of the blade portion 117 of the inner peripheral blade 111 of the present invention may be flat as shown in Figs. 5 (b) and 7 (c). The cross-sectional shape of the blade portion 15 of 1 1 is shown in the shape of FIG. 1 (c). Similarly, it is preferable to form a protrusion shape having a leading end angle of 0 on the leading end face. By forming in this way, the cutting resistance can be reduced as compared with the conventional front end flat shape, as in the case of the peripheral blade 11 shown in Fig. 4 (a). It is preferable that the front end angle 0 of the protrusion shape of the front end face of the blade portion 117 is set in a range of 45 ° to 120 °. If the front end angle 0 is less than 4 5 °, the cutting resistance is reduced. 'But increasing the friction of the blade part 1 1 7 shortens the life of the inner peripheral edge 1 1 1'. If the blade part 1 1 7 front end angle 0 When it exceeds 120 °, the effect of reducing the cutting resistance is to reduce the amount, but the effect of the present invention will be achieved and will not be changed. . The more desirable range of the front-end angle Θ is 60 ° to 90 °. . (Please read the > 1 Fortune on the back? Matters before filling this page > i! II — In! A paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) · 19 _ 4, 8445418445 A7 Printed by co-operatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. B7__ V. Description of the invention (17) Hard materials that are subject to the cutting process of the inner peripheral blade 111 of the present invention. Hard material. Hereinafter, the embodiment of the core drill according to the present invention will be described in accordance with Figs. 13 to 17. Figs. 13 to 17 are the same as Figs. 29 to 31. Similar components are explained using the same description. As shown in FIG. 13, the core drill 2 1 1 of the present invention is a steel drill shank 2 1 4 having a function as a rotating shaft in the same manner as in the past. A cup-shaped disc core blade portion 2 1 6 composed of a disc-shaped upper wall 2 1 6 a and a cylindrical side wall 2 1 6 b at the front end of the drill shank 2 1 4 and the disc core blade portion 2 1 6 The fixed grinding wheel part 2 1 7 at the front end portion. The core drill 211 is installed on the core drilling processing device body 2 below. 4 2 constitutes a core drilling processing device 2 4 0. By driving the core drilling processing device 2 4 0, the drill shank 2 1 4, the core insert portion 2 1 6 and the grinding wheel portion 2 1 7 can be rotated. By abutting the rotating grinding wheel part 2 1 7 on the workpiece W, the workpiece W can be chamfered in a circular shape to form a hole. A center portion of the core drill 2 1 4 is drilled. The axial through-hole 2 2 2, and the structure in which the cutting fluid 2 2 0 is supplied to the field of cutting through the axial through-hole 2 2 2 are also the same as in the past. The first feature of the core drill 2 1 1 of the present invention The abrasive grain layer is provided on the inner peripheral surface and outer peripheral surface of the cylindrical side wall 2 1 6 b of the above-mentioned disc core blade portion 2 1 6 through the metal bonding, resin bonding, electrocoating, etc. 230a, 230b. As a result of this kind of construction, please cut (please read the note f on the back before filling in this page) i I I ---- --------- rj This paper size applies China National Standard (CNS) A4 Specification (210 X 297 Gong) -20- Printed by the Intellectual Property Bureau Employee Consumer Cooperatives of the Ministry of Economic Affairs 418445 A7 _ B7__ V. Invention description (18) occurred. The cutting powder was re-cut and processed into fine Diameter, it is discharged from the gap between the cylindrical side wall 2 1 6 b of the core drill 2 1 6 and the workpiece W, which can sufficiently ensure the supply and discharge amount of the cutting fluid 2 2 0 used in the cutting. To form an efficient countersinking process. The abrasive grains of the core drill 2 1 1 used in the present invention can be the same as the conventional grinding wheel part 2 17 as about # 1 7 0. On the other hand, the abrasive grains of the abrasive grain layers 23〇a and 2 3 Ob are finer grains than the abrasive grains of the grinding wheel part 217, for example, about # 2 0 0 is desirable. For the abrasive grain layers 2 3 0 a, The configuration shape of 2 3 Ob re-cuts the cutting powder generated during cutting to a fine particle size, and acts so as to discharge it only from the gap between the cylindrical side wall 2 1 6 b and the workpiece W. It is limited in particular, but it is preferable to provide a spiral shape as shown in FIGS. 13 to 15. The second feature of the core drill 2 1 1 according to the present invention is the cross-sectional shape of the grinding wheel portion 2 1 7. As shown in FIG. 13 (b), the front end surface is a protrusion shape having a front end angle of 0. By forming this shape, the cutting resistance can be reduced compared to the conventional flat shape at the front end, and the passing surface h of the processed object W when the core drill 211 passes through the processed object W is also passed through than before. The surface R becomes narrow, and it becomes a defect which can reduce the cracks, chips, etc. which generate | occur | produce especially when passing. The front end angle 0 of the shape of the protrusion of the front end surface of the grinding wheel portion 217 is set to be in a range of 45 ° to 120 °. If the front end angle 0 is less than 45 °, the cutting resistance is reduced, but the grinding wheel portion is increased. The friction of 2 1 7 will shorten the life, and if the angle Θ of the front end of the grinding wheel part 2 1 7 exceeds this paper standard, the Chinese National Standard (CNS) A4 specification (210 X 297 mm) will be applied. -21-_ —! 11 --- install! — Order! · \ I (please read the precautions before filling out this page before filling in this page) 418445 A7 B7 V. Description of the invention (19) 12 0 °, the effect of reducing the cutting resistance will reduce the amount, but it will not be changed. The effect of the present invention. (Please read the precautions on the back before filling in this page> The more ideal range of the front-end angle Θ is 60 ° to 90 ° °. In the example shown in the figure, β = 9 0 ° is shown as the ideal example. The core drill processing device 2 1 1 equipped with the core drill 2 1 1 according to the present invention will be described in accordance with FIGS. 16 and 17. The core drill processing device 2 4 0 is the core drill processing device body 2 4 2 and a core drill 2 1 1. The core drill processing device body 242 has a stand 244. A work table support stand 2 4 7 is provided at the central portion of the upper surface of the stand 24 4. The support stand 2 4 The 7 series mounts a fixed table 2 4 6. On the upper end of the table 2 4 6 is a workpiece W on which a glass material such as a quartz glass plate is fixed and fixed via a workpiece placing plate 2 4 5. A bracket 248 is set up vertically around the periphery of 244 = a longer guide 2 50 is installed in the upside direction of the inner side of the bracket 2 4 8. The longer guide 2 5 0 can be moved up and down through the sliding bearing 2 5 2 Install a support block 2 5 4. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 2 5 6 is used to move the core drill up and down 2 1 1 motor. The motor 2 5 6 is installed on the lower side of the plate 2 5 8 provided on the side of the bracket 2 4 8. A ball screw 2 6 0 is rotatably connected to the motor 2 5 6. 2 6 2 An end bracket is mounted on the upper end of the ball screw 2 60, and one end thereof is connected to the support block 254. A through opening 2 6 4 which opens upward and downward is passed through a center portion of the support block 2 54. In this through-hole, 2 6 4 series can be inserted freely and rotatably through this paper. The size of the paper is applicable to China National Standard (CNS) A4 < 210 * 297 mm) -22-418445 A7 B7 Printed by the cooperative V. Invention 叼 (2〇) — Rotating shaft 2 6 6 β 2 6 8 series pulley, installed on the rotating block 2 above the support table 2 5 4 and on the rotating shaft 2 6 6 7 0. A core drill 2 1 1 0 is detachably installed at the lower end of the rotating shaft 2 6 6. Therefore, when the motor 2 5 6 is rotated, the rotary ball screw 2 6 0 ′ is connected to the shaft holder 2 6 2 as it rotates. At the same time moving up and down, the supporting block 2 5 4 rotation axis 2 6 6 and core drill 2 1 1 move up and down at the same time as it rotates. 2 7 2 is a motor for rotating the core drill 2 1 1 and is installed on the upper part of the bracket 2 4 8. A motor pulley 2 7 6 is mounted on a motor shaft 2 7 4 of the motor 2 7 2. A belt 278 is wound around the motor pulley 276 and the pulley 268. Therefore, the rotation of the motor 2 7 2 is transmitted to the rotation shaft 266 via the motor shaft 2 7 4, the motor pulley 276, the pulley 268, and the rotation block 270, and the rotation shaft 266 is rotated. A 280 series cover member covers the motor pulley 2 7 6, the belt 2 7 8, and the pulley '2 6 8 ^ The upper end portion of the rotary shaft 2 6 6 is connected to the rotary joint 2 8 2 and the cutting fluid introduction pipe 2 8. 4 phase connection. The cutting fluid 2 2 0 introduced from the cutting fluid introduction tube 2 8 4 is as described above, and the through-axis through-holes 2 2 2 are supplied to the cutting field during the cutting (FIGS. 14 and 15). ). The 286 series uses a manual lever that moves the rotary shaft 266 up and down. In the core drilling processing device main body 2 4 2 configured as described above, the core drilling processing device equipped with the core drilling 2 1 1 is adapted to the paper size of the paper through the board ^ Chinese National Standard (CNS) A4 specification ( 210 * 297 public love) ^ 23-(please read the note f on the back and then fill in the clothing page) d Install a ϋ n! 丨 | Order ---- I --- line A7 r 418445 ________B7 __ V. Invention It is said that (21) 2 4 5 places a workpiece such as quartz glass fixed on the work table 2 4 6 by moving the core drill 2 1 1 up and down and rotating it to perform hole processing. Examples of the hard material to be subjected to the hole-cutting processing of the core drill 211 according to the present invention include the same hard materials as in the case of the outer peripheral blade described above. The outer peripheral blade, the inner peripheral blade, and the core drill were performed only once. Cutting or hole-cutting of hard materials, that is, the inconvenience of “warping or bending” of the hollow substrate and the disc core blade part, or the presence of scars on the sides, in addition to the blade part or grinding wheel part, is eliminated. Therefore, the metal substrate, the hollow substrate, and the core blade portion not only have a high cost ratio in the outer peripheral edge, the inner peripheral edge, and the core drill, but also are discarded once after being used as the outer peripheral edge and the inner peripheral edge of the present invention. And the core drill structure, the abrasive grain layer is set on the inner peripheral surface and the outer peripheral surface of the side surface of the metal substrate, the side surface of the hollow substrate and the cylindrical side wall of the disc core blade portion, respectively. Existing, the metal substrate, the hollow substrate, and the disc core blade are reinforced, which can avoid warping or bending and can also avoid hurting these sides. Therefore, these used metal substrates, hollow substrates, and core blade sections maintain their performance before use. Therefore, after using the metal substrate, the hollow substrate and the core blade portion, and then forming or installing the vanished blade portion or the grinding wheel portion, the outer peripheral blade, inner peripheral blade and Take 'heart drill. These recycled outer cutting edges, recycled inner cutting edges and recycled coring drills are reusable, which can significantly reduce the size of this paper. Applicable to China National Standard (CNS) A4 (210 X 297 mm). — — — ι — II —! β _! I — F .r '... (Please read the notes on the back wj first: fill in this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy-24- I 418445 A7, ------- B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of invention (22) Cost. (Examples) The following 'exemplary examples illustrate the manufacture of the peripheral edge of the present invention and the cutting process using the peripheral edge cutting processing device provided with the peripheral edge. (Example 1) The outer diameter is 30 mm, and the thickness is 1. On a metal substrate of Omm, the thickness of the diamond blade part is 1.3 mm with metal bonding, the diamond blade part has a width of 7mm, and a diamond abrasive grain with a particle size of # 1 7 0. The angle of the front end of the diamond blade part is 90 ° The outer edge of the 80 mm outer diameter is cut with a diamond blade with an electrical coating thickness of 0 · 1 mm and a particle size of # 2 0 0 from the diamond blade part to the inner 80 mm. Quartz glass rod. Detection of cutting resistance: Although the motor is used to rotate the outer cutting edge, when the cutting resistance is applied to the outer cutting edge, the rotating motor also applies a load, so the current flowing in the motor is increased. By measuring the current 値, the magnitude of the cutting resistance β can be detected. In order to detect the cutting resistance, the cutting depth is 5mm, 10mm, 15mm, 20mm, 300mm, _.40mm, 60mm, 80mm. The current 値 of the motor for rotating the peripheral blade is measured, and the results are shown in Table 1. The number 値 in Table 1 is shown in FIG. 22 as a graph. As can be seen from Table 1 and Figure 22, as the cutting is performed, the current 値 increases, and the maximum current is not shown at the center of the quartz glass rod. (This page)

纸张 I Applicable to this paper size + national standard (CNS > A4 size (210 X 297)) -25- ϋ8445 Α7 Β7 Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs Consumer Cooperatives V. Invention Description (23) Electric current The increase is not large, which means that the cutting resistance is small. After the cutting is completed, when the cut surface of the quartz glass rod is observed, no chips or burrs occur, and there is no warpage. 1.Omm metal substrate, made of diamond blades with a conventional shape of diamond blades with a thickness of 1 · 3 mm, diamond blades with a width of 7mm, and diamond grains with a particle size of # 1 7 0 The outer peripheral blade cuts a quartz glass rod with an outer diameter of 80 mm. In order to detect the cutting resistance, when the current of the motor for rotating the outer peripheral blade is measured, the results are shown in Tables 1 and 22. With When cutting is performed, the current 値 is increased, and the maximum current 値 11 is displayed in the center of the quartz glass rod. After the cutting is completed, the cut surface of the quartz glass rod is observed, and debris is generated on the cut surface. At the final cut position A burr is left, and the cut surface is warped by 1 mm. The side of the outer cutting edge is also observed, and a scratch occurs on a portion contacting the quartz glass rod. (Example 2) On a metal substrate having an outer diameter of 300 mm and a thickness of 1.0 mm, metal Bonded to sinter the thickness of the diamond blade part 1.3mm, the width of the diamond blade part 7mm, the diamond abrasive grains with a particle size of # 1 70, the angle of the front end of the diamond blade part is made into a blade edge of 12.5 °, this paper size applies to China National Standard (CNS) A4 Specification (210 X 297 mm) -26- (Please read the precautions on the back #Fill this page first), install ----- Is Order _ !! ·! A7 418445 B7___ V. Description of the invention (24) The outer peripheral edge of the electro-coating layer of diamond abrasive grains with a thickness of 0.1 mm and a particle size of # 200 is attached on both sides from the diamond blade portion to 8 mm at the inner side to cut a quartz glass rod with an outer diameter of 8 mm. The current for detecting the cutting resistance is shown in Table 1 and Figure 22. The maximum current is between the first and the comparative examples. After the cutting is completed, the cut surface of the quartz glass rod is observed and no breakage occurs. Shavings or burrs, but M-curve 0.3 m m. (Example 3) On a metal substrate having an outer diameter of 300 mm and a thickness of 1.0 mm, the thickness of the diamond blade portion was sintered by metal bonding to 1.3 mm, the width of the diamond blade portion was 7 mm, and the particle size was # 17.0 diamond abrasive grains * The outer edge of the diamond blade part is made into a 40 ° outer edge, and the thickness is 0.1mm on both sides with a diameter of 80mm from the diamond blade part to the inside. The outer edge of the electrical coating of the diamond abrasive particles cuts the quartz glass rod with an outer diameter of 8 mm. In order to detect the cutting resistance, the current is shown in Table 1 and Figure 22. The maximum current system is the same as that of the first embodiment. After the cutting was completed, the cut surface of the quartz glass rod was observed, and no chips or burrs occurred, and no warpage occurred. However, the consumption of the front end of the diamond blade is severe, and the front end is reduced by 1 paper. The paper size applies to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) --- I! I --- i I ---- I ♦ VV («Please read the precautions on the back of the page before filling in this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -27- Α7 ^ 8445 ___ Β7 _ V. Description of the invention (25) Table 1 The diamond periphery in the cut Current change of the motor for blade rotation (unit: A) Cutting depth Example 1 Comparative Example 1 Example 2 Example 3 5mm 3. 5 3. 7 3. 6 3.4 10mm 3.8 4.2 4.0 3.7 15mm 4.2 5. 2 4 6 4.1 2 0mm 4. 5 6.1 5.2 4.4 3 0mm 4.7 6. 7 5.7 4.6 4 0mm 5.2 7.2 6.2 5. 2 6 0mm 4.8 6.8 5.8 4.6 8 0mm 3.2 3.2 3. 2 3.2 (Please read the precautions on the back first (Fill in this page again)

Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs (Example 4) On a metal substrate with an outer diameter of 300 mm and a thickness of 1.0 mm, the thickness of the diamond blade part is 1.3 mm, and the width of the diamond blade part is 7 mm. For diamond abrasive grains with a particle size of # 1 7 0, the angle of the front end of the diamond blade part is 90 °, and a thickness of 0.1 mm is attached on both sides at 80 mm from the diamond blade part to the inner side. The particle size is # 2 The outer peripheral edge of the electrically coated diamond abrasive grain of 0 0 is used to cut a Si C rod with an outer diameter of 60 mm. 'In order to detect the cutting resistance *, the current 値 of the motor used to measure the blade rotation is shown in Table 2 and Figures 23 and 3. With the cut off, the current 値 increases, and the maximum current 表示 is indicated at the center of the Si C rod, but this paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm «) 28-4184 4 5 a ? --- B7 V. Explanation of the invention (26) means that the increase in current 値 is not large, and it means that the cutting resistance is small. At the end (please read the precautions on the back before filling the nest page), after cutting, observe the cut surface, no chips or burrs, and no warpage. (Example 5) On a metal substrate having an outer diameter of 300 mm and a thickness of 1.0 mm, a diamond blade portion having a thickness of 1.3 mm, a diamond blade portion having a width of 7 mm, and a particle diameter of # 1 7 0 was sintered by metal bonding. The abrasive grains are formed with a 90 ° cutting edge at the front end of the diamond blade portion, and the outer periphery of the electrical coating of the diamond abrasive grains with a thickness of 0.1 mm and a particle size of # 20◦ is attached at 80 mm from the diamond blade portion to the inner side. Blade to cut an alumina rod with an outer diameter of 60 mm. In order to detect the cutting resistance, the current 値 of the motor for the blade rotation is measured, and the results are shown in Tables 2 and 23. With the cutting, the current 値 increases, and the maximum current 値 is displayed in the center of the alumina rod, but it indicates that the increase in current 大 is not large, and it indicates that the cutting resistance is small β after the cutting is completed. No chipping or burrs occurred, and there was no warping. Printed by the Consumer Goods Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs _ (Example Θ) On a metal substrate with an outer diameter of 300 mm and a thickness of 1.0 mm, the thickness of the diamond blade part is sintered by metal bonding 1_3mm, the diamond blade part With a width of 7mm and a particle size of # 1 7 0, the angle of the front end of the diamond blade part is made into a 90 ° blade. • 29- This paper is applicable to national standards (CNS) A4 (210 X 297 public love) 418445 A7 B7 V. Description of the invention P7) The outer peripheral edge of the electrical coating of diamond abrasive grains with a thickness of 0.1mm and a particle size of # 2 0 0 is attached on both sides from 8mm to the inside of the diamond blade. To cut a gallium arsenic single crystal with an outer diameter of 50 mm. In order to detect the cutting resistance, the current 値 of the motor for the blade rotation is measured, and the results are shown in Tables 2 and 23. With the cut off, the current 値 increases, and the maximum current 値 is shown in the center of the gallium arsenic single crystal, but it means that the increase in current 并不 is not large, and it indicates that the cutting resistance is small. After the cutting was completed, the cut surface was observed, and no chips, burrs, or warpage occurred. Table 2 Current change of the electric motor for rotating the outer edge of the diamond during cutting (please read the precautions on the back ④fill out this page) Installation • d Printed by the shellfish consumer cooperation of the Intellectual Property Bureau of the Ministry of Economic Affairs (1 nose position: A) Cutting depth Example 4 Example 5 Example 6 5mm 3 · 5 3.3 3. 6 10mm 3.8 3.6 3.9 15mm 4 · 2 4. 0 4.3 2 0mm 4 · 5 4. 2. 4. 7 3 0 mm 4.7 4.5 4. 6 4 0 mm 4.5 4.2 3.9 6 0 mm 3. 2 3.2 3. 2 (Examples 7 to 9) Instead of quartz glass rods, soda lime glass rods, lead glass rods, and Chinese paper standards are applicable to this paper standard ( CNS) A4 specification (210 X 297 mm) 30 ----- Order --------- 418445 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (28) Other than the crystal rod In the same manner as in Example 1, the cutting process was performed, and the same results as in Example 1 were obtained. (Example 10) A CBN blade portion was produced from CBN abrasive particles having a particle size of # 1.70, and the outer peripheral edge of the CBN abrasive particles having a particle size of # 4 0 0 was attached in the same manner as in Example 1. This outer cutting edge is used to cut a non-mirror steel rod with an outer diameter of 80mm. The cutting resistance was measured in the same manner as in Example 1, and the results are shown in Table 3. The numbers 値 in Table 3 are shown as graphs in Figs. From Tables 3 and 24, it can be seen that the current 切断 increases with the cutoff, and the maximum current 表示 is displayed at the center of the stainless steel rod, but it indicates that the increase in current 并不 is not large and the cutting resistance is small = After the cutting was completed, the cut surface of the stainless steel rod was observed, and no chips or burrs occurred, and no warpage occurred. (Comparative Example 2) A CBN insert was made from CBN abrasive grains having a particle size of # 170. The CBN outer peripheral edge was produced in the same manner as in the comparative example. The CBN outer peripheral edge was used to cut a stainless steel rod having an outer diameter of 80 mm. In order to detect the cutting resistance, when the current 値 of the motor for rotating the C B N blade is measured, the results are shown in Tables 3 and 24. As it cuts off, it indicates that the current 値 increases, and the maximum current 表示 is displayed in the center of the stainless steel rod. (Please read the note § on the back before filling this page)

^-I 丨 — I 丨 I I Order II

LiM

B > I ϋ I f This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) -31-Λ Α7 Β7 Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Is the invention finished (29) After cutting, the cutting surface 1 of the stainless steel rod was observed to be chipped on the cutting surface. At the end of the cut, burrs remain and the cut surface warps 1. Observing the side of the C B N blade again, a scratch occurred on the part that touched the stainless steel rod. (Example 1 1) A C BN blade portion was prepared from C BN abrasive grains with a particle size of # 1 7 〇, and the C BN abrasive grains with a particle size of # 4 0 0 were adhered except for the electrical coating. The outer cutting edge is used to cut a stainless steel rod with an outer diameter of 8 mm. In order to detect the cutting resistance, the current is shown in Table 3 and Figure 24. The maximum current is between Example 10. and Comparative Example 2. After the cutting is completed, the cut surface of the stainless steel rod is observed. No chipping or burrs occurred, but the warpage was 0.3 mm (Example 1 2). A C BN blade was prepared from C BN abrasive grains with a particle size of # 1 7 0, and the outer peripheral blade was produced in the same manner as in Example 3 except that the electrical coating of the CBN abrasive grains with a particle size of # 4 0 0 was used. To cut a stainless steel rod with an outer diameter of 80mm. In order to detect the cutting resistance, the current is shown in Table 3 and Figure 24. The maximum current is the same as in Example 10. After the final cut, the cut surface of the stainless steel rod was observed. No chipping or burrs occurred, and no warpage occurred. However, the front end of the C Β Ν blade is extremely depleted, and the front end is reduced (please read the precautions on the back # 'Fill in this page first) Installation • 1 ---- Order ---- _j This paper size applies to China Standard (CNS) A4 specification (210 X 297 public love) -32- Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives 418445 a? _____B7___ V. Description of the invention (3〇) 1 mm ° Table 3. CBN periphery during cutting Change in current 电动机 of the motor for blade rotation (unit: A) Cutting depth Example 10 Comparative Example 2 Example 11 Example 1 2 5mm 3.6 3.8 3.7 3. 5 10mm 3 · 9 4. 3 4. 1 3.8 15mm 4.3 5.3 4.7 4. 2 2 0mm 4.6 6.2 5. 3 4.5 3 0mm 4. 8 6. 8 5 · 8 4. 7 4 0mm 5.3 7.3 6.3 5.3 6 0 mm 4.9 6.9 5.9 4.7 8 0 mm 3.2 3.2 3. 2 3.2 (k Example 1 3) A peripheral blade was produced in the same manner as in Example 4 except that the CBN abrasive particles with a particle size of # 170 and the electrical coating of the CBN abrasive particles with a particle size of # 400 were adhered, and this peripheral blade was used to cut S i C rod with a 60 mm outer diameter. In order to detect the cutting resistance, the current 値 of the motor for blade rotation is measured, as shown in Table 4 and Figures 25. fruit. As the cutting is performed, the current 値 increases, and the maximum current 値 is displayed at the center of the Si C rod, but it means that the increase in current 并不 is not large, and it indicates that the cutting resistance is small. At the end in ----------- "r equipment i — —！ — order _ — 1 (please read the precautions on the back before filling in this page) ί The paper size applies to Chinese National Standard (CNS) A4 Specifications (210 X 297 mm) -33- 418445 A7 B7 V. Description of the invention (31) After cutting, observe the cut surface, no chips or burrs occurred, and no warping. ≪ Please read the back first Note ¾ Matters need to be refilled on this page) (Example 1 4) A CBN abrasive particle with a particle size of # 170 and a CBN abrasive particle with a particle size of # 400 are adhered to the outer coating in the same manner as in Example 5 to make the outer periphery The cutting edge uses the outer cutting edge to cut an alumina rod with an outer diameter of 6 mm .. In order to detect the cutting resistance, the current 値 * of the motor for measuring the blade rotation is shown in Tables 4 and 25. With the cutting, the current 値 increases, and the maximum current 表示 is displayed in the center of the alumina rod, but it indicates that the increase in current 并不 is not large, and it indicates that the cutting resistance is small. After the cutting is completed, observe the cut surface No chipping or burrs occurred, and there was no warping. (Example 15) Employees of the Intellectual Property Bureau of the Ministry of Economic Affairs Cooperative prints the same as in Example 6 except that the CBN abrasive particles with a particle size of # 170 and the CBN abrasive particles with a particle size of # 400 are adhered to the outer coating. The outer blade is cut using the outer blade to cut the outer diameter 5 0mm gallium arsenic single crystal. In order to detect the cutting resistance, the current 値 of the motor used to measure the blade rotation is as shown in Table 4 and Figure 25. With the cutting, the current 値 increases and it is recording. The maximum current 値 is not shown in the center of the single crystal, but it indicates that the increase in current 并不 is not large, and it indicates that the cutting resistance is small. After the final cutting, the cut surface is observed, no chips or burrs, and no -34- Ten paper sizes are applicable to China National Standard (CNS) A4 specifications (210 * 297 male «) A7 B7 418445 V. Description of invention (32) Warpage. Table 4 $ C Current change (1 nose position: A) Cut depth Example 1 3 Example 1 4 Example 1 5 5mm 3.6 3.3 3.6 1 0 mm 3.9 3. 6 3.9 1 5 mm 4.3 4.0 4.3 2 0mm 4.5 4. 2 4.7 30 mm 4 · 8 4.5 4. 6 4 〇mm 5.2 4-2 3.9 6 〇mm 4 · 9 3.2 3.2 1 Hereinafter, examples are given to explain the manufacturing of the inner peripheral blade of the present invention and the cutting process using the inner peripheral cutting device for processing the inner peripheral blade. (Example 16) The inner diameter is 220 mm and the outer diameter is 700 nm. A metal substrate with a thickness of 1 50 is electroformed with abrasive grains (cutting abrasive grains) formed by diamonds with a thickness of 10 Am on the inner periphery of the hollow portion of a disc-shaped hollow substrate through which a hollow portion is formed. The inner peripheral edge of the abrasive grains (cutting abrasive grains) formed by diamonds with a width of 220 mm and a thickness of about 9 0 i / m, which are electroformed from cut abrasive grains, are finer than those of about 9 0 i / m. 2 0mm silicon (please «read the precautions on the back before filling out this page)-装 ---- 订- The paper size applies the national standard (CNS) A4 specification (210 X 297 mm) -35- 418445 A7 _ B7 V. Description of the invention (33) Sharp cut off 50 wafers. As a result of measuring the warpage of the wafer after slicing, the maximum was 20 'and the minimum was 1 2 a. As a result of measuring the warpage of the inner peripheral blade after the cutting was completed, it was found to be 20. (Example 17) A quartz glass ingot of 0 205 mm was cut into a circular plate having a thickness of 1.5 mm using the same inner peripheral blade as that of the user in Example 16. After cutting 30 circular plates, the warpage of the quartz glass circular plate was measured. The maximum was 18 and the minimum was 10 / urn. As a result of measuring the warpage of the inner cutting edge after the cutting was completed, it was 1 8 // m (Comparative Example 3). A metal substrate having an inner diameter of 220 mm, an outer diameter of 700 mm, and a thickness of 150 pm was formed of diamond. The abrasive grains (cutting abrasive grains) are cast on a disc-shaped hollow substrate through which a hollow portion is formed annularly, and the inner peripheral edge of the hollow portion of the hollow portion has a thickness of 1 0 0 and a sand thickness of 0 2 0 0 mm. Jingjing cut off 50 wafers. As a result of measuring the warpage of the wafer after cutting, the maximum was 7 5 and the minimum was 4 5. As a result of measuring the warpage of the inner peripheral blade after the cutting was completed, it was found to be 75em. (Comparative Example 4) 'Using the same blade as the user of Comparative Example 3, (please read the note on the back *. Please fill in this page) ^) wi.

Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economy M This paper is applicable to China National Standard (CNS) A4 (210 * 297 mm) -36- Printed by the Shellfish Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economy r 418445 A7 --- B7 5. Description of the invention (34) The quartz glass ingot of 2.0mm must be cut into a circular plate with a thickness of 1.5mm. After cutting 30 circular plates, the result of measuring the warpage of the quartz glass circular plate was 70 at the maximum and 40 at the minimum " m 〇 and the result of measuring the warpage of the inner peripheral blade after the cutting was completed was There are 7 0 / zm. The following is a list of examples. Examples illustrate the manufacture of the core drill of the present invention and the use of the core drill processing device equipped with the core drill. (Example 18) The diameter of the drill shank acting as a rotating shaft is 3 mm, the shaft through-hole is 5 mm, and the size of the cup-shaped disc core blade is 9 8 mm in outer diameter, 9 2 mm in inner diameter, and 12 5 mm in height. Its front end uses metal bonding at regular intervals to sinter diamond with a diameter of # 1 2 0, a thickness of 5 mm, a width of 15 mm, a height of 10 mm, and a tip angle of 90 degrees. On the outer and inner peripheral surfaces, a diamond abrasive grain having a particle size of # 1 7 0 is spirally electrocoated with a width of 5 mm and a thickness of 0.5 mm, and the bottom surface of the blade of the grinding wheel portion is spirally coated with an angle of 15 °. Drill. The above-mentioned diamond core drill is installed on the core drill processing device body as a core drill processing device. On the table of the core drill processing device, a quartz glass circular plate with a diameter of 2000 mm and a thickness of 1000 mm is mounted. After being welded by heating, it is placed on a blue plate glass with an outer diameter larger than the diameter and a thickness of 10 mm, and a hole with a diameter of 100 mm is processed at the center. During the hole-cutting process, the water from the cutting fluid continued to flow from the shaft through the hole of the drill shank at five liters per minute. Set the descending speed of the diamond core drill at 5 mm per minute for formatting. The paper size is applicable to China National Standard (CNS) A4 (210 * 297 mm) -37- II -------- installation- ----— Order · I --- 1 (Please read the notes on the back before filling in this page) MJ, 418445 A7 _ ^ __ B7 V. Description of the invention (35) Hole processing, there will be no cutting during processing The powder clogged the gap between the diamond core drill and the quartz glass, and the processing was successfully completed. The processing time was 25 minutes. 'The processed quartz glass was removed from the blue plate glass. After observation, the diamond core drill was pulled out. Only a few microchips * were seen without a significant reduction in quality. (Comparative Example 5) The dimensions are the same as the core drills used in Example 18, but as shown in Figures 29 to 31 There is no angle at the front end of the blade of the grinding wheel part, and the conventional shape of the diamond core drill without electro-coated diamond abrasive particles is installed in the core drill processing device body as the core drill processing device in the cup-shaped disc core blade section. A quartz glass of the same size as in Example 18 was used, and a hole-cutting process was performed under the same conditions. When the hole is drilled, the coring drill is smoothly drilled. When the depth of the hole reaches 2 Omm, the cutting powder will block the gap between the diamond core drill and the quartz glass and reduce the cutting speed. When the depth of the hole reaches 2 5mm, The blockage of the cutting powder stops the diamond core drill from turning. Turn off the switch of the core drill processing device, withdraw the diamond core drill from the quartz glass, remove the cutting powder, and then start the hole processing. However, the depth of the new cutting part reaches At about 25 mm, the diamond core drill stopped rotating again. Then cut off the switch of the core drill processing device, withdraw the diamond core drill from the quartz glass. After removing the cutting powder, start the hole processing, and repeat the same operation twice. The hole-cutting process was then completed. The time required for the hole-cutting process was about 100 minutes, as in Example 18 (please read the precautions on the reverse side before filling out this page) Staple i — an employee of the Intellectual Property Bureau of the Ministry of Economic Affairs The paper size printed by the Consumer Cooperative is applicable to China National Standards (CNS) A4 (210 X 297 g) -38- A7 B7 V. Description of the invention (36) Compared with about four times the time. From the blue board glass After observation of the processed quartz glass, there are large cracks and chips in the extracted portion of the core drill, which greatly reduces the quality. (Effects of the Invention) As described above, according to the present invention, the peripheral blade and cutting processing device, It can well reduce the cutting resistance during cutting. It can prevent the debris generated when the cutting object is deflected by the cutting resistance during the cutting and comes into contact with the diamond blade. The clearance phenomenon of the diamond blade achieves the effect of preventing the occurrence of burrs. According to the inner peripheral knife and the cutting processing device of the present invention, the cutting resistance during cutting can be reduced well, and it can be prevented from being received during cutting. The cutting resistance causes the inner peripheral blade to warp, and as a result, the cut surface of the object to be cut will be warped. According to the core drilling and core drilling processing device of the present invention, it is effective in all the processes of cutting. The glass cutting powder and the abrasive grains that are blocked between the core and the workpiece can be removed in order to shorten the cutting time. At the same time, defects such as cracks or debris generated when the core drill is pulled out of the workpiece can be removed. Of The effect is great. (Brief description of the drawings) FIG. 1 shows an embodiment of the outer peripheral blade of the present invention; (a) is a front view of the outer peripheral blade of the present invention, (b) is a cross-sectional view taken along line A-A of (a), and (C) The side illustration of the blade part-(Please read the precautions on the back before filling out this page) / Installation ---- Order ----- The paper size printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs Applicable to China National Standard (CNS) A4 specification (210 X 297 mm) -39-418445 A7 ___ Β7 ____ V. Description of the invention (37) Figure 2 shows a partial section of the cutting processing device equipped with the outer peripheral blade of the present invention Explanatory diagrams; (a) is a diagram showing a state before cutting the object to be cut; (b) is a diagram showing a state before cutting the object to be cut. Fig. 3 is a partial cross-sectional explanatory view showing the state of the cutting object in the cutting of the outer peripheral blade according to the present invention: (a) is a drawing showing the state of the stress on the cutting object, (b) It is a diagram showing a state where the cut object is in contact with both sides of the metal substrate of the outer cutting edge and is chamfered with an abrasive grain layer. Fig. 4 shows the cutting of the cut object of the outer cutting edge according to the invention (A) is a drawing showing a state where the cutting resistance is small, and (b) is a view showing that the outer cutting edge will not warp, and the cutting surface will not warp, and there will be no outer circumference. The pattern of the state of the clearance phenomenon of the blade, (c) is a pattern showing a state in which the burr does not occur on the cut surface of the object to be cut after final cutting. Fig. 5 shows a first embodiment of the inner peripheral cutting edge of the present invention; (a) is a front view of the inner peripheral cutting edge of the present invention; and (b) is a sectional view taken along line A-A of (a) / Fig. 6 An explanatory side view showing an example of a cutting processing device provided with an inner peripheral blade according to the present invention. FIG. 7 is a partial cross-sectional explanatory view showing the cutting processing device for the inner peripheral blade of the present invention; (a) is a drawing showing a state of cutting the object to be cut, and (b) is a drawing showing the end of the object to be cut; The pattern of the cutting state (c) is a pattern showing a state of a part of the inner peripheral blade after the cutting is completed. Figure 8 shows the second embodiment of the inner cutting edge of the present invention: (This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm). (Please read the notes on the back side before filling in this. Page) Binding ---- Order --------- " ^^ 1 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -40- 418445 A7 B7 V. Description of Invention (38) The front view of the blade of the inner periphery of the invention, and (b) is a cross-sectional view taken along line A-A of (a) '(please read the precautions on the back before filling this page) Figure 9 shows the inner periphery of the invention A third embodiment of the blade: (a) is a front view showing the inner peripheral blade of the present invention, and (b) is a cross-sectional view taken along line A-A of (a). Fig. 10 is a front view showing a fourth embodiment of the inner peripheral blade of the present invention. Fig. 11 is a front view showing a fifth embodiment of the inner peripheral blade of the present invention. Fig. 12 is a front view showing a sixth embodiment of the inner peripheral blade of the present invention. Fig. 13 shows an embodiment of a core drill of the present invention: (a) is a front view, (b) is a longitudinal sectional view, (c) is a bottom view, and (d) is a view of a grinding wheel portion. Partially enlarged view. Fig. 14 is a cross-sectional explanatory view showing a state in which a cored drill according to the present invention is used to make a hole in a workpiece and to perform a honing process. Fig. 15 is a cross-sectional explanatory view showing the state immediately before the completion of the cutting process from the state shown in Fig. 14; Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 16 is a front view showing the core drilling processing device of the present invention. Figure 17 is a side view showing the core drilling processing device of the present invention. FIG. 18 is an example of a conventional peripheral blade; (a) is a front view of a conventional peripheral blade; (b) is a cross-sectional view taken along line B-B of (a); Illustrating. The 19th series indicates that the paper installed with the conventional cutting device for peripheral blades is compliant with the Chinese National Standard (CNS) A4 ^ (210 X 297 mm) ^ 41-4184 4ο A7 __ B7 V. Description of the invention ( 39) Partial section explanatory drawing: (a) is a drawing showing a state before cutting the object to be cut, and (b) is a drawing showing a state of cutting the object to be cut. (Please read the precautions on the back before filling out this page.) Figure 20 is a partial cross-sectional explanatory view showing the state of the cutting object according to the conventional peripheral blade; (a) shows the cutting The pattern '(b) of the stress state to which the object is subjected is a pattern showing a state where the cut object is in contact with both sides of the metal substrate of the outer cutting edge. FIG. 21 is an enlarged explanatory view of a partial cross section showing a state in which a cutting object is cut in accordance with a conventional peripheral blade: (a) is a drawing showing a state where cutting resistance is large, and (b) is a peripheral blade Warpage, a diagram of the state where warpage occurs on the cut surface, (c) is a diagram showing the state when the object to be cut is finally cut, and (d) is a diagram showing that the burr has been cut after the end of the cut. Diagram of the state of the cut surface of the broken object. Fig. 22 is a graph showing changes in the current 値 of the motor for peripheral blade rotation during cutting in Examples 1 to 3 and Comparative Example 1. Fig. 23 is a graph showing changes in the current 値 of the motor for rotating the peripheral blade during cutting in Examples 4 to 6. Fig. 24 is a graph showing changes in current 値 of a C B N blade rotation motor during cutting in Examples 10 to 12 and Comparative Example 2. Printed by Shelley Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs. Fig. 25 is a graph showing changes in the current of the CBN blade rotating motor during the cutting of Examples 1 to 15. Fig. 26 shows an example of a conventional inner peripheral blade, (a) is a front view of a conventional inner peripheral blade, and (b) is a cross-sectional view taken along line B-B of (a). Figure 27 shows the cutting device with a conventional inner cutting edge. The paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 meters) -42-

-ual-hr vr E 4184 4 5 A? ____ B7 V. A side view illustration of an example of the invention description (4〇) * Figures 2 and 8 show the conventional cutting and cutting devices with inner peripheral blades. Explanatory drawing of a partial cross-section; (a) is a drawing showing the state of cutting the object to be cut, (b) is a drawing showing the state of cutting the object to be cut, and (c) is the end. A diagram of the state of a part of the inner peripheral blade. Fig. 29 is an example of a conventional core drill; (a) is a front view, (b) is a longitudinal section view, and (c) is a bottom view.

Q Fig. 30 is a cross-sectional explanatory view showing a state in which a conventional object is drilled to open a hole in a workpiece and subjected to a honing process. Fig. 31 is a cross-sectional explanatory view showing the state immediately before the end of the machining process after the machining process from the state shown in Fig. 30 (Description of symbols) 10 Peripheral cutting edge 1 1 Peripheral cutting edge 12 Metal substrate 13 Grinding Grain layer 1 4 Blade section · 15 Blade section 16 Shaft hole 18 Cutting processing device 2 0 Rotary drive section The paper size is applicable to the Chinese National Standard (CNS) A4 (210 X 297 mm) -43- < Please smell first Read the notes on the back and fill out this page) —Order!

nn I 41 8 4 4 · ο a7 _B7_ V. Description of the invention (M) 2 2 Rotary shaft 110 Inner peripheral blade 111 Inner peripheral blade 112 Hollow portion 114 Substrate 115 Substrate 116 Blade portion 1 1 7 Blade portion 118 Abrasive layer 120 Cut Breaking processing device 121 Cutting processing device 1 2 2 Abutment 124 Bearing member 126 Rotating shaft 12 8 Machining fluid discharge path, 130 Rotating cylinder 132 Mounting plate 134 Motor 136 Motor shaft 138 Motor pulley 140 Pulley 142 Drive belt 144, 146 Bearing Component 211, 212 Core drill _ (Please read the precautions on the back #; fill out this page first) Installation · — Order *! Fr This paper size applies to China National Standard (CNS) A4 (210 X 297 public love)- 44-V. Description of the invention (42) A7 B7 2 1 4. Drill shank 2 1 6 Disc core insert 2 1 7, 2 18 Grinding wheel part 2 2 0 硏 Cutting fluid 2 2 2 Shaft center through hole 2 2 4 Abrasive particles 2 4 0 Core drill processing device 2 4 2 Core drill processing device body 2 4 4 Stand 2 4 6 Workpiece table 2 4 7 Workpiece support table 2 4 8 Support 2 5 2 Sliding bearing 2 5 4 Support block 2 5 6 Motor 2 5 8 Plate 2 6 0 Ball screw 2 6 2 Adapter 2 6 4 Through hole 2 6 6 Rotary shaft 2 6 8 Pulley 2 7 0 Rotating block 2 7 2 Motor 2 7 4 Motor shaft (please first (Read the notes on the back and write this page)

I order ---------- 3 ^ -γ This paper size applies + National Standard (CNS) A4 specification (210 X 297 mm) " 45-A1B4A5 A7 B7 V. Description of the invention Ct3 2 7 6 Motor pulley 2 7 8 Pulley belt 2 8 0 Covering member 2 8 2 Rotary joint 2 8 4 硏 Cutting fluid introduction tube 2 8 6 Manual handle G Object to be cut M Section W to be processed nUpWt (Please read the back first (Please fill in this page again) — Ordered! !! ^ tT ZL 'J-I ..... This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) -46-

Claims (1)

A8 B8 C8 D8 6. Scope of patent application 1. A kind of peripheral blade, which is characterized by a metal substrate with a round shape, and a blade part which is provided on the outer periphery of the metal substrate and holds the granules; A particle layer formed by fixing particles is provided on the side of the substrate and inside the blade portion, and the shape of the front end surface of the blade portion is used as the shape of the protrusion. 2. The outer peripheral blade according to item 1 of the scope of patent application, wherein the height of the side surface of the abrasive particle layer is smaller than the height of the side surface of the blade portion. 3. The outer peripheral blade as described in claim 1 or 2, wherein the abrasive grains constituting the abrasive grain layer are smaller than the abrasive grains constituting the blade portion. 4. The outer peripheral blade according to item 1 or item 2 of the scope of patent application, wherein the abrasive grain layer is partially provided on a side surface of the metal substrate. 5. The outer peripheral blade as described in item 1 or 2 of the scope of patent application, wherein the abrasive grains constituting the blade portion are diamond abrasive grains and / or CBN abrasive grains. The "peripheral" blade described in item 2 above, wherein the abrasive grains constituting the abrasive grain layer are made of diamond abrasive grains and / or other abrasive grains. 7. The outer peripheral blade as described in item 6 of the scope of patent application, the other abrasive grains are Si C, Al203, Z.:r02, S i3N4, 8. As the scope of patent application, item 1 or 2 In the outer peripheral edge, the front end angle of the protrusion shape of the front end surface of the blade portion is set to 45 ° to 120 °. . ----------- (Please read the precautions on the reverse side before filling out this page) The size of the paper used in the China Paper Standard (CNS) A4 (2〗 0X297 mm) -47 -A8 B8 C8 D8 418445 6. Scope of patent application {Please read the precautions on the back before filling out this page) 9. A peripheral blade cutting processing device, which has the following features: The peripheral blade and a rotation driving unit that rotates the peripheral blade at high speed will be described. 10 types of inner peripheral blades, which are characterized by a disc-shaped hollow substrate penetrating a hollow portion, and a blade portion fixed on the inner peripheral portion of the hollow substrate and holding particles; a side surface of the hollow substrate is provided with a fixed portion. 5 layers of stone formed by loading particles. 1 1. According to the inner peripheral blade 1 described in item 10 of the scope of patent application, the height of the side surface of the abrasive particle layer is smaller than the height of the side surface of the blade portion. 12. The inner peripheral blade according to item 10 or item 11 of the scope of patent application, wherein the abrasive grains constituting the abrasive grain layer are smaller than the abrasive grains constituting the blade portion. 13. The inner peripheral blade according to item 10 or item 11 of the patent application scope, wherein the abrasive particle layer is partially provided on the side of the hollow substrate α 14. As described in item 10 or 11 of the patent application scope The inner peripheral blade, wherein the abrasive grains constituting the blade portion are diamond abrasive grains and / or CB N abrasive grains. 15. The inner peripheral blade as described in claim 10 or item 11, wherein the abrasive grains constituting the abrasive grain layer are made of diamond abrasive grains and / or other abrasive grains. 16. According to the inner peripheral blade described in item 15 of the scope of the patent application, the other abrasive particles are SiC, A1203, Zr02, Si3N4, C BN and / or BN. This paper size uses the Chinese National Standard (CNS) A4 specification (210X297 mm) • 48- VI. Patent Application Fan Garden 17. As described in the patent application scope No. 10 or No. 11, the inner peripheral blade, Wherein, the shape of the front end face of the blade portion becomes a protrusion shape a 1 8. The inner peripheral blade according to item 17 of the patent application scope, wherein the angle of the front end of the shape of the protrusion on the front end face of the blade portion is set to 45. Up to 120. . 1 9 · An inner peripheral blade cutting and processing device 'is characterized in that it includes the inner peripheral blade described in the patent application scope of item 10 or item 11 and a rotary drive unit that rotates the inner peripheral blade at a high speed. 20. A core drill characterized by having a shank, and a cup-shaped core insert formed by a disc-shaped upper wall and a cylindrical side wall provided at the front end of the shank, and mounted on the The front end of the disc core blade part is a grinding wheel part for holding abrasive grains; a core drill capable of opening a hole by rotating the grinding wheel part while abutting the workpiece while rotating the grinding wheel part, An abrasive grain layer formed by fixing abrasive grains is provided on an inner peripheral surface and an outer peripheral surface of a cylindrical side wall of the disc core blade portion. 2 1. The core drill as described in item 20 of the scope of patent application, wherein the abrasive grains constituting the abrasive grain layer are smaller than the abrasive grains constituting the abrasive wheel layer. 2 2. The core drill according to item 20 or item 21 of the scope of patent application, wherein the abrasive grain layer is provided in a spiral shape. 2 β · The core drill according to item 20 or 21 of the scope of patent application, wherein the shape of the front end face of the grinding wheel portion is a protrusion shape. 2 4. The core drill as described in item 23 of the scope of patent application, of which (please read the precautions on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 (21〇X: 297 mm) -49- 41844 Αδ B8 C8 D8 6. In the scope of patent application, the angle of the front end of the shape of the protrusion on the front end of the grinding wheel part is set to 45 ° to 120 °. 25 types of core drilling processing devices are characterized by: (a) a workpiece table on which a workpiece is placed, and a position above the workpiece table, which is detachably and rotatably provided on the workpiece table; The core drill processing device body composed of the rotating shaft, and (b) the core drill installed in the scope of patent application No. 20 or No. 21 of the rotating shaft. 2 6. A type of core drilling processing device, which is characterized by: (a) a stand, a work stand placed on the upper center of the stand and a workpiece to be processed, and a periphery of the stand The main body is composed of a bracket and a core drilling processing device body constituted by a rotating shaft that can be moved up and down freely and rotatably through the bracket, and (b) No. 20 or No. 2 of the scope of patent application installed on the rotating shaft. Coring of the item. {Please read the precautions on the back before filling this page) This paper size is in accordance with Chinese solid standard (CNS > A4 size (210 × 297 mm) -50-