CN103846759A - Machining tool for thin sheet glass and method of manufacturing the same - Google Patents
Machining tool for thin sheet glass and method of manufacturing the same Download PDFInfo
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- CN103846759A CN103846759A CN201310631764.6A CN201310631764A CN103846759A CN 103846759 A CN103846759 A CN 103846759A CN 201310631764 A CN201310631764 A CN 201310631764A CN 103846759 A CN103846759 A CN 103846759A
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- grinding wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0641—Grinders for cutting-off for grinding holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention provides a machining tool for thin sheet glass with excellent machining precision and durability of the tool. The tool is provided with a sheet-shaped metal binding agent grindstone portion (16) arranged at the top end portion of a main tool body and specially used for trepanning machining operation and formed in the way that multiple abrasive particles are combined via a metal binding agent, an electro-deposition grindstone portion (18) specially used for chamfering machining and formed in such a way that the multiple abrasive particles are subjected to electro-deposition by a necking portion (20) formed at the side peripheral portion of the main tool body so that two kinds of grindstone portions (16,18) respectively have different properties and are used for trepanning machining and chamfering machining. Therefore, machining accuracy of machining a hole portion (36) of cover glass (34) is enhanced and service lifetime of the tool is prolonged.
Description
Technical field
The present invention relates to sheet glass machining tool and manufacture method thereof, particularly the improvement for machining accuracy and instrument durability are improved.
Background technology
In show image, accept the touch panel of input according to operating of contacts, be widely used in the portable phone peace board terminal of so-called smart mobile phone etc. etc.Being installed on the cover glass (cover glass) of this touch panel, is that gauge is the sheet glass of 0.5mm～1.5mm left and right, is generally the sheet glass that for example possesses the hole portion connecting at thickness direction in the part corresponding to loudspeaker etc.The technology of the machining accuracy raising of the hole portion for making this cover glass had once been proposed.For example, the grinding attachment that patent documentation 1 is recorded is exactly one.According to this technology, in the man-hour that adds of carrying out sheet glass, carry out grinding by the photographed data of utilizing camera, on one side precision is processed well, mark etc. is not set on the surface of sheet glass on one side and carries out the grinding of perforate processing etc.
Formerly technical literature
Patent documentation 1: TOHKEMY 2011-101942 communique
Summary of the invention
But, about the hole processing of above-mentioned cover glass, in order to suppress the increase in man-hour, wish after above-mentioned cover glass has formed the hole portion connecting at thickness direction, utilize same instrument and grinding attachment to carry out chamfering (chamfered edge) processing of this hole portion.Therefore, as above-mentioned cover glass being formed on to the perforate processing of hole portion of thickness direction perforation and the sheet glass machining tool of the chamfer machining of this hole portion, once developed and be configured to for example cylindrical shape of footpath size 1.0mm φ left and right, be formed with the grinding stone of necking down in its side perimembranous, and by practicality.For example, as shown in figure 33, be configured to cylindrical shape, the surface electrical that is formed with the base member of necking down in its side perimembranous deposits the electro-deposition grinding stone 100 of multiple abrasive particles, as shown in figure 34, be configured to cylindrical shape, be formed with abrasive particles necking down, multiple by the metallic bond metal-bonded grinding wheel that forms (grinding stone that entirety forms as metal-bonded grinding wheel) the 200th that mutually combines, one example in its side perimembranous.In the processing of the above-mentioned hole portion that adopts that these grinding stones 100,200 carry out, typically, utilize grinding stone top ends to carry out the perforate processing of above-mentioned hole portion, utilize the necking section of side perimembranous to carry out the chamfer machining of above-mentioned hole portion.
But, in above-mentioned technology in the past, except can not obtaining fully the machining accuracy of above-mentioned hole portion, also there is short this unfavorable condition life tools.That is, in electro-deposition grinding stone 100 as shown in figure 33, by repeatedly carrying out the processing of above-mentioned hole portion, the abrasive grain layer of top ends wearing and tearing as electro-deposition grinding stone 100 ', processing resistance uprises.Its result, having the above-mentioned necking section using in above-mentioned chamfer machining is the part processing load concentration that the diameter of axle is thin, the top distortion of instrument, the anxiety of machining accuracy deterioration.In metal-bonded grinding wheel 200 as shown in figure 34, by repeatedly carrying out the processing of above-mentioned hole portion, as metal-bonded grinding wheel 200 ', top ends and necking section wear and tear down.Its result, the diameter of axle of the above-mentioned necking section using in above-mentioned chamfer machining attenuates, just like metal-bonded grinding wheel 200 ' ' anxiety lost due to processing load like that.Such problem is to improve the performance of sheet glass machining tool in intention, and the inventor continues in the wholwe-hearted process of studying newfound.
The present invention completes take above-mentioned condition as background, and its object is to provide sheet glass machining tool and the manufacture method thereof of a kind of machining accuracy and instrument excellent in te pins of durability.
Be a kind of sheet glass machining tool for the 1st invention achieving the above object, it is that sheet glass is formed on to the perforate processing of hole portion of thickness direction perforation and the instrument of the chamfer machining of this hole portion, it is characterized in that, possess: the metal-bonded grinding wheel portion of sheet (chip shape), it is arranged at the top ends of tool body, be specifically designed to above-mentioned perforate processing, multiple abrasive particles are mutually combined and are formed by metallic bond; With electro-deposition grinding stone portion, it is specifically designed to above-mentioned chamfer machining, be be formed at above-mentioned tool body side perimembranous necking part electro-deposition multiple abrasive particles form.
Like this, according to above-mentioned the 1st invention, possess: the metal-bonded grinding wheel portion of sheet, the top ends that it is arranged at tool body, is specifically designed to above-mentioned perforate processing, and multiple abrasive particles are mutually combined and are formed by metallic bond; With electro-deposition grinding stone portion, it is specifically designed to above-mentioned chamfer machining, to form at the multiple abrasive particles of necking part electro-deposition of the side perimembranous that is formed at above-mentioned tool body, therefore possess two kinds of different grinding stone portions of character difference, be respectively used to above-mentioned perforate processing and chamfer machining, can make thus the machining accuracy of the processing of above-mentioned hole portion improve, and extend life tools., the sheet glass machining tool of machining accuracy and instrument excellent in te pins of durability can be provided.
Be subordinated to will being intended to of the above-mentioned the 1st basis of inventing the 2nd invention, above-mentioned metal-bonded grinding wheel portion is the top ends that is fixed in above-mentioned tool body by soldering, this soldering solder used is to contain at least one among Ag, Cu, Sn and Ni as principal component, and contains at least one the solder among Ti, Cr and Zr as active metal.So, can utilize practical solder, above-mentioned tool body is firmly fixed to above-mentioned metal-bonded grinding wheel portion.
Be subordinated to will being intended to of basis the 3rd invention of above-mentioned the 2nd invention, the C content formation more than other part that above-mentioned metal-bonded grinding wheel portion is the planar portions of the top ends institute soldering to above-mentioned tool body.So, can be by the reaction of active metal and C, above-mentioned tool body is firmly fixed to above-mentioned metal-bonded grinding wheel portion.
Be subordinated to will being intended to of basis the 4th invention of above-mentioned the 2nd invention or the 3rd invention, above-mentioned metal-bonded grinding wheel portion, is to configure regularly above-mentioned multiple abrasive particle in the planar portions of the top ends institute soldering to above-mentioned tool body to form.So, can firmly fix above-mentioned metal-bonded grinding wheel portion to above-mentioned tool body.
Be subordinated to will being intended to of basis the 5th invention of any one of above-mentioned the 1st invention the～the 4 invention, above-mentioned metal-bonded grinding wheel portion comprises: contain at least one the above-mentioned metallic bond among W, Co, Ni, Fe, Ag, Cu and Sn; With at least one the above-mentioned abrasive particle containing among diamond and CBN.So, can utilize the metal-bonded grinding wheel portion of practical form to carry out well above-mentioned perforate processing.
Be subordinated to will being intended to of basis the 6th invention of any one of above-mentioned the 1st invention the～the 5 invention, above-mentioned metal-bonded grinding wheel portion, is to contain GC, graphite, MoS as filler
2and CeO
2among at least one grinding stone portion.So, can utilize the metal-bonded grinding wheel portion of practical form to carry out well above-mentioned perforate processing.
Be subordinated to the above-mentioned the 1st and invent will being intended to of the～the 6 basis of inventing the 7th invention, above-mentioned tool body is carbon steel, molybdenum steel or stainless steel.So, can use the base member of practical form, the sheet glass machining tool of machining accuracy and instrument excellent in te pins of durability is provided.
Basis the 8th invention that is used for achieving the above object is the method for the sheet glass machining tool described in a kind of any one of manufacturing above-mentioned the 1st invention the～the 7 invention, this manufacture method is characterised in that, comprise: necking part forms operation, and this operation forms above-mentioned necking part in the side perimembranous of above-mentioned tool body; Metal-bonded grinding wheel portion soldering operation, this operation is to forming the top ends that has formed the above-mentioned tool body of above-mentioned necking part in operation, the above-mentioned metal-bonded grinding wheel of soldering portion at this necking part; Form operation with electro-deposition grinding stone portion, this operation in this metal-bonded grinding wheel portion soldering operation in top ends soldering the multiple abrasive particles of above-mentioned necking part electro-deposition of above-mentioned tool body of above-mentioned metal-bonded grinding wheel portion, form above-mentioned electro-deposition grinding stone portion.So, in manufacturing process, instrument can not deform, and the sheet glass machining tool of machining accuracy and instrument excellent in te pins of durability can be provided.
Be subordinated to will being intended to of the above-mentioned the 8th basis of inventing the 9th invention, comprise that metal-bonded grinding wheel portion forms operation, this operation is by forming above-mentioned metallic bond and above-mentioned abrasive particle pressure sintering above-mentioned metal-bonded grinding wheel portion, described metallic bond contains at least one among W, Co, Ni, Fe, Ag, Cu and Sn, and described abrasive particle contains at least one among diamond and CBN.So, can form the metal-bonded grinding wheel portion of practical form.
Be subordinated to will being intended to of above-mentioned the 8th invention or the 9th basis of inventing the 10th invention, above-mentioned metal-bonded grinding wheel portion soldering operation, the heat treatment by implement set point of temperature in inert gas atmosphere, the operation of the above-mentioned metal-bonded grinding wheel of the top ends soldering portion to above-mentioned tool body.So, can not make above-mentioned base member deform, can be in its top ends above-mentioned metal-bonded grinding wheel of soldering portion well.
Accompanying drawing explanation
Fig. 1 observes the front view as the sheet glass machining tool of the preferred embodiments of the present invention from the direction perpendicular to axle center.
Fig. 2 is the partial cross section figure that describes the formation of the grinding stone portion in the sheet glass machining tool of Fig. 1 in detail.
Fig. 3 is that the formation of the grinding stone portion in the sheet glass machining tool for illustrating in greater detail Fig. 1 is amplified the tool tip portion in Fig. 2 the summary sectional view representing.
Fig. 4 is the variation as the grinding stone portion in the sheet glass machining tool of Fig. 1, and being illustrated in part beyond the necking part of base member portion does not have the figure of the formation of electro-deposition abrasive particle.
Fig. 5 is exemplified as the cover glass of the processing object of the sheet glass machining tool of Fig. 1 and is formed at the plane of the hole portion of this cover glass.
Fig. 6 is the figure that illustrates the motion track of this instrument that adds man-hour of the hole portion that adopts the cover glass that the sheet glass machining tool of Fig. 1 carries out.
Fig. 7 is that the A that illustrates Fig. 2 (changes: figure variation) to the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Fig. 8 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Fig. 9 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 10 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 11 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 12 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 13 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 14 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 15 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 16 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 17 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 18 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 19 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 20 is that the A of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 21 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 22 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 23 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 24 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 25 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 26 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 27 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 28 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the metal-bonded grinding wheel portion of looking.
Figure 29 is that the B of illustration Fig. 2 is to the figure of the distortion of the shape of the electro-deposition grinding stone portion of looking.
Figure 30 is the process chart of the major part of manufacture method one example of the sheet glass machining tool of key diagram 1.
Figure 31 is the figure of the result of the long duration test that represents that the inventor carries out, is the figure that represents the result of the only perforate processing to cover glass.
Figure 32 is the figure of the result of the long duration test that represents that the inventor carries out, is the figure that represents the result of perforate processing to cover glass and chamfer machining.
Figure 33 has deposited the figure of the electro-deposition grinding stone of multiple abrasive particles exemplified as prior art to the surface electrical that is configured to cylindrical shape, be formed with the base member of necking down in its side perimembranous.
Figure 34 be exemplified as prior art to being configured to cylindrical shape, being formed with abrasive particles necking down, multiple by the mutually combine figure of the metal-bonded grinding wheel forming of metallic bond in its side perimembranous.
Figure 35 is the figure that roughly represents to adopt the allowance in the perforate processing of the hole portion that the sheet glass machining tool of Fig. 1 carries out.
Figure 36 is the figure that roughly represents to adopt the allowance in the chamfer machining of the hole portion that the sheet glass machining tool of Fig. 1 carries out.
Figure 37 is the figure that roughly represents to adopt the allowance in the perforate processing of the hole portion that the sheet glass machining tool of Fig. 1 carries out.
Figure 38 is the figure that roughly represents to adopt the allowance in the expansion processing of the hole portion that the sheet glass machining tool of Fig. 1 carries out.
Figure 39 is the figure that roughly represents to adopt the allowance in the chamfer machining of the hole portion that the sheet glass machining tool of Fig. 1 carries out.
Description of reference numerals
10: sheet glass machining tool; 16: metal-bonded grinding wheel portion; 18: electro-deposition grinding stone portion, 20: necking part; 32: planar portions; 34: cover glass (sheet glass); 36: hole portion; P1: base member production process (necking part formation operation); P2: metal-bonded grinding wheel portion forms operation; P3: metal-bonded grinding wheel portion soldering operation; P5: electro-deposition grinding stone portion forms operation.
The specific embodiment
Below, describe the preferred embodiments of the present invention in detail based on accompanying drawing.At the accompanying drawing for following explanation, the size of each several part may not be described exactly than waiting.
Fig. 1 observes below the sheet glass machining tool 10(as the preferred embodiments of the present invention from the direction perpendicular to axle center C, is simply called instrument 10) front view.As shown in Figure 1, the instrument 10 of the present embodiment, possesses integratedly handle (shank) portion 12 of cylindrical shape and is arranged at the grinding stone portion 14 on the top of this shank 12.The tool body (base member) that a part for above-mentioned shank 12 and above-mentioned grinding stone portion 14 is equivalent to be integrally formed.This tool body is preferably ferrous material or superhard alloy.As ferrous material, can preferably use carbon steel, molybdenum steel or stainless steel etc.
Fig. 2 is the formation in order to describe above-mentioned grinding stone portion 14 in detail, this grinding stone portion 14 is cut off and the partial cross section figure that expresses by the plane that comprises above-mentioned axle center C.As shown in Figure 2, above-mentioned grinding stone portion 14 possesses: the metal-bonded grinding wheel portion 16 of sheet (pill shape), and it is arranged at the top ends of tool body, and multiple abrasive particles are mutually combined and are formed by metallic bond; With electro-deposition grinding stone portion 18, it is to form at the multiple abrasive particles of necking part 20 electro-deposition of the side perimembranous that is formed at tool body.In Fig. 2, be roughly illustrated in the abrasive particle (also identical in Figure 21～Figure 29 described later) of institute's electro-deposition in this electro-deposition grinding stone portion 18 with dotted line.For example,, as shown in Figure 2, at above-mentioned shank 12(tool body) tip side, be provided with integratedly along with the tapering 22 reducing gradually towards footpath, top size, and, in the tip side in this tapering 22, be provided with integratedly the base member portion 24 of cylindrical shape.Above-mentioned metal-bonded grinding wheel portion 16, is preferably fixedly installed on the tip side of this base member portion 24 by soldering (brazing filler metal).Be set up the above-mentioned necking part 20 of above-mentioned electro-deposition grinding stone portion 18, be preferably the side perimembranous of cutting the middle part of getting above-mentioned base member portion 24, thereby its footpath be of a size of the part of path.
Fig. 3 is the formation in order to illustrate in greater detail above-mentioned grinding stone portion 14 and by the summary sectional view shown in the tool tip portion Watch with magnifier in Fig. 2, be roughly illustrated in the grinding stone of 18 electro-deposition of above-mentioned electro-deposition grinding stone portion with zero symbol.As shown in Figure 3, above-mentioned necking part 20 preferably possesses: the 1st tapering 26, cylindrical shape portion 28 and the 2nd tapering 30, described the 1st tapering 26 from above-mentioned shank 12 sides towards tool tip side, footpath size is reduced to φ 3(< φ 2 gradually from the footpath size φ 2 of above-mentioned base member portion 24), described cylindrical shape portion 28 is parts that footpath is of a size of the above-mentioned path of φ 3, and described the 2nd 30Cong footpath, tapering size φ 3 increases to the footpath size φ 2(of above-mentioned base member portion 24 gradually can be not necessarily measure-alike with the footpath in the 1st tapering 26).Above-mentioned electro-deposition grinding stone portion 18, preferably as shown in Figure 3, including above-mentioned necking part 20, there is the grinding stone portion of multiple abrasive particles in the lateral circle surface entirety electro-deposition of above-mentioned base member portion 24, but as long as at least in above-mentioned necking part 20 electro-deposition the grinding stone portion of multiple abrasive particles, as shown in Figure 4, also can consider that part beyond the necking part 20 of above-mentioned base member portion 24 does not have the formation of electro-deposition abrasive particle.
As the concrete size of the each several part in above-mentioned instrument 10, for example, the footpath size φ 1 of the above-mentioned shank 12 shown in Fig. 1 is 6mm φ left and right, the length dimension L1 of instrument is 50mm left and right, the footpath size φ 2 of the above-mentioned metal-bonded grinding wheel portion 16 shown in Fig. 2 is preferably 0.5～1.5mm φ left and right, for example 1.0mm φ left and right, the path part of above-mentioned necking part 20 is that the footpath size φ 3 of above-mentioned cylindrical portion 28 is 0.3～2.0mm φ left and right, the axial length dimension L2 of above-mentioned metal-bonded grinding wheel portion 16 is 0.5～5.0mm left and right, the axial length dimension L3 of the base member portion 24 at 18 places of above-mentioned electro-deposition grinding stone portion is 2.0～5.0mm left and right, the axial length dimension L4 of above-mentioned necking part 20 is 0.2～2.0mm left and right.The footpath size (size suitable with the external diameter of abrasive particle) of above-mentioned electro-deposition grinding stone portion 18, is preferably with the footpath size φ 2 of above-mentioned metal-bonded grinding wheel portion 16 and is equal to.The footpath size of above-mentioned base member portion 24, from the footpath size of above-mentioned electro-deposition grinding stone portion 18 deduct electro-deposition the size of abrasive particle obtain, be of a size of about 1.0mm φ in the footpath of this electro-deposition grinding stone portion 18, the footpath of above-mentioned base member portion 24 is of a size of 0.9mm φ left and right.
At least one above-mentioned metal-bonded grinding wheel portion 16, preferably: as above-mentioned abrasive particle, contain diamond and CBN(cubic boron nitride).Or, also can use Al
2o
3the abrasive particle of (aluminium oxide), SiC etc.This abrasive particle can preferably adopt its granularity (average grain diameter) be preferably the abrasive particle below #1000 in the regulation of JIS R6001, than the abrasive particle of #1000 thick (average grain diameter is large).Preferred: to be metallic bond as the bonding agent that multiple abrasive particles are mutually combined, to contain at least one among W, Co, Ni, Fe, Ag, Cu and Sn.In order to adjust the load that adds man-hour, preferably: as filler, contain GC(green silicon carbide), graphite, MoS
2and CeO
2at least one among (cerium oxide).Preferred: by above-mentioned multiple abrasive particles, metallic bond and the pressurized sintering of filler, to be formed as the sheet shown in any of Figure 21～Figure 28 as described later.
Above-mentioned electro-deposition grinding stone portion 18, preferably: as above-mentioned abrasive particle, contain at least one among diamond and CBN.Or, also can use Al
2o
3, SiC etc. abrasive particle.This abrasive particle preferably its granularity is the abrasive particle in the scope of #230～#1000 in the regulation of JIS R6001.
The solder that the soldering that is the top of base member portion 24 to above-mentioned tool body of above-mentioned metal-bonded grinding wheel portion 16 is used, preferably contain at least one among Ag, Cu, Sn and Ni as principal component, and, contain at least one the solder among Ti, Cr and Zr as active metal.Above-mentioned metal-bonded grinding wheel portion 16, the part that is preferably the top ends institute soldering to above-mentioned base member portion 24 is that planar portions 32(is with reference to Fig. 3 and Fig. 4) in the C content formation more than other parts of this metal-bonded grinding wheel portion 16.For example be made as: in the scope at above-mentioned planar portions 32(from end face to prescribed depth), the high formation of other parts of the above-mentioned metal-bonded grinding wheel of the ratio portion 16 of GC, graphite etc.Above-mentioned metal-bonded grinding wheel portion 16, the grinding stone portion that preferably disposes regularly above-mentioned multiple abrasive particles in above-mentioned planar portions 32.For example, near the above-mentioned planar portions 32 of above-mentioned metal-bonded grinding wheel portion 16 (in the scope from end face to prescribed depth), be provided with the mutual distance of abrasive particle without exception consistent one deck to the abrasive grain layer of the amount of multilayer.
Fig. 5 is the cover glass 34 and the plane that is formed at the hole portion 36 on this cover glass 34 exemplified as the processing object that uses the hole of above-mentioned instrument 10 to process.The instrument 10 of the present embodiment forming as described above, is used to conduct as shown in Figure 5 and is installed on the processing of the hole portion 36 on the cover glass 34 of sheet glass of touch panel., be used to form the perforate processing of the hole portion 36 connecting at the thickness direction of this cover glass 34 and the chamfer machining of this hole portion 36.This cover glass 34, that for example length dimension L5 is that 100mm left and right, width dimensions L6 are that 50mm left and right, gauge t are the tempered glass of 0.5～1.5mm left and right, the processing of above-mentioned hole portion 36 can be the processing that the either party of the cover glass 34 after cover glass 34 and strengthening before strengthening is carried out.Above-mentioned hole portion 36, is that for example length dimension L7 is that 11mm left and right, width dimensions L8 are the long shape hole (slotted hole) of 1.2mm left and right, is arranged on the part suitable with the loudspeaker etc. of portable phone that is mounted above-mentioned cover glass 34.The concrete example of the processing that adopts the hole portion 36 on the above-mentioned cover glass 34 that the instrument 10 of the present embodiment carries out is described below.
In the processing of the hole portion 36 on the above-mentioned cover glass 34 that adopts above-mentioned instrument 10 to carry out, this instrument 10 is installed at above-mentioned shank 12 does not have for example touch panel glass processing machine of illustrated abrasive machine, rotarily actuate around axle center C by this topping machanism on one side, relatively move with respect to carrying out three-dimensional as the cover glass 34 of being cut material on one side, carry out thus perforate processing and chamfer machining to this cover glass 34.At this, adopt in the processing of the hole portion 36 in the above-mentioned cover glass 34 that above-mentioned instrument 10 carries out, above-mentioned metal-bonded grinding wheel portion 16 is specifically designed to above-mentioned perforate processing, and above-mentioned electro-deposition grinding stone portion 18 is specifically designed to above-mentioned chamfer machining.; utilize the top ends (planar portions of tip side) of above-mentioned metal-bonded grinding wheel portion 16 and side perimembranous (side surface part) above-mentioned cover glass 34 to be carried out after the perforate processing of above-mentioned hole portion 36, utilize above-mentioned electro-deposition grinding stone portion 18 to carry out the chamfer machining of the periphery (inner peripheral surface) of above-mentioned hole portion 36.
Fig. 6 is the figure that illustrates the motion track of this instrument 10 that adds man-hour of the above-mentioned hole portion 36 that adopts the above-mentioned cover glass 34 that carries out of above-mentioned instrument 10, (a) represent the plane from observing perpendicular to the surperficial direction of above-mentioned cover glass 34, (b) represent that the b-b of (a) looks sectional view.In this (b), for convenience of description, illustrate the gauge of above-mentioned cover glass 34 than actual heavy back.In Fig. 6 (a), dot the motion track that above-mentioned perforate adds the axle center C of the above-mentioned instrument 10 in man-hour, the motion track of the axle center C of the above-mentioned instrument 10 while representing above-mentioned chamfer machining with single-point line.In Fig. 6 (b), dot the motion track that above-mentioned perforate adds the top ends of the above-mentioned instrument 10 in man-hour.Adopt the processing of the above-mentioned hole portion 36 of above-mentioned cover glass 34 that above-mentioned instrument 10 carries out, preferably pass through in the planar portions with respect to above-mentioned cover glass 34, vertically maintain under the state of axle center C of above-mentioned instrument 10, this instrument 10 relatively moves to carry out with in-plane (forming vertical direction with axle center C) in axle center C direction with respect to above-mentioned cover glass 34.
As Fig. 6 (a) with (b), first, as above-mentioned perforate processing, the above-mentioned instrument 10 of rotation is fed in S1 axle center, the position of for example in-plane C direction, top ends and 34 sliding-contacts of above-mentioned cover glass of above-mentioned metal-bonded grinding wheel portion 16.Thereafter, the above-mentioned instrument 10 of rotation slowly moves back and forth with the track of the axis C shown in dotted line at in-plane with respect to above-mentioned cover glass 34 on feeding one side in axle center C direction on one side.In this moves back and forth, above-mentioned instrument 10 is being once only fed the depth d shown in Fig. 6 (b) in axle center C direction in back and forth.This depth d is for example 0.05mm left and right., above-mentioned instrument 10 by processing once, is fed for example 0.025mm left and right in axle center C direction at the length direction of above-mentioned hole portion 36.By this processing, utilize end face and the lateral circle surface of above-mentioned metal-bonded grinding wheel portion 16 to carry out grinding, form the hole portion 36 as slotted hole as shown in Figure 5 at above-mentioned cover glass 34.The axle center C that is shown in dotted line above-mentioned instrument 10 shown in Fig. 6 (a) is at the length direction of above-mentioned hole portion 36 by the example of 2 times (2 passages (pass)), but the axle center C that is preferably above-mentioned instrument 10 by 30 left and right in actual perforate processing is in reciprocal 15 left and right of length direction of above-mentioned hole portion 36.Then, as above-mentioned chamfer machining, the position touching at the above-mentioned electro-deposition grinding stone portion 18 of above-mentioned instrument 10 and the periphery (inner peripheral surface) of above-mentioned hole portion 36, the axle center C of the above-mentioned instrument 10 of rotation relatively moves with the track of the axle center C shown in single-point line Fig. 6 (a) from the position S2 of for example in-plane, utilize thus above-mentioned electro-deposition grinding stone portion 18 to carry out the grinding of the allowance part of the periphery of above-mentioned hole portion 36, these hole portion 36 chamferings.
Figure 35 and Figure 36 are the figure that roughly represents to adopt the allowance in perforate processing and the chamfer machining of above-mentioned hole portion 36 of above-mentioned cover glass 34 that above-mentioned instrument 10 carries out.In the perforate processing of above-mentioned hole portion 36 that adopts the above-mentioned cover glass 34 that carries out of above-mentioned instrument 10, in Figure 35, be ground from the allowance 38a shown in the oblique line to left down of upper right., this allowance 38a is removed by grinding.In this perforate processing, as shown in figure 35, in the end of above-mentioned hole portion 36, (with the border of the planar portions of cover glass 34) produces chip (chipping) 34a.Therefore,, in above-mentioned chamfer machining, by the allowance 38b that grinding comprises this chip 34a like that as shown in figure 36, can form and there is no the hole of chip portion 36.
At this, can expect, using Figure 35 and Figure 36 to carry out in the processing of above-mentioned above-mentioned hole portion 36, the chip 34a that produces is larger, utilize above-mentioned chamfer machining can not thoroughly remove fully this chip 34a by above-mentioned perforate processing in the end of above-mentioned hole portion 36.For example, amount of debris shown in Figure 37 (chip width) w1, in the large situation of chamfering width that Billy can carry out with above-mentioned instrument 10, be for example 0.3mm with respect to amount of debris w1, chamfering width is in 0.15mm, the allowance situation that is 0.05mm, even if carry out chamfer machining as described above, the also amount of residual 0.1mm width of above-mentioned chip 34a.In such situation, preferably first as shown in figure 37, perforate processes than above-mentioned perforate and processes after the hole portion in little footpath, as shown in figure 38, as expansion processing, removes the allowance 38c of the inner peripheral surface of hole portion by grinding.This expansion processing, preferably utilizes the lateral circle surface of the above-mentioned metal-bonded grinding wheel portion 16 of above-mentioned instrument 10 to carry out.,, as shown in figure 39, above-mentioned chamfer machining is implemented in the end of above-mentioned hole portion 36 thereafter.Like this, by implementing above-mentioned expansion processing, be for example 0.3mm with respect to amount of debris w1, chamfering width is in 0.15mm, the allowance situation that is 0.05mm, by the allowance w2 shown in Figure 38 is made as to 0.15mm, remaining amount of debris is that the chip width w3 shown in Figure 39 becomes 0.15mm, possesses even if adopt the instrument 10 that chamfering width is 0.15mm, allowance to be 0.05mm above-mentioned electro-deposition grinding stone portion 18, also can be well above-mentioned hole portion 36 be carried out to chamfer machining., above-mentioned instrument 10 also can perform well in this processing.
As described above, as the shape of above-mentioned metal-bonded grinding wheel portion 16 of processing of above-mentioned hole portion 36 that realizes above-mentioned cover glass 34, for example can consider the shape as Fig. 7～as shown in Figure 28.Fig. 7～Figure 20 is the A that illustrates Fig. 2 to depending on being the figure of distortion of shape of above-mentioned metal-bonded grinding wheel portion 16 of axis direction, and Figure 21～Figure 28 is the B that illustrates Fig. 2 to the figure looking perpendicular to the distortion of the shape of the above-mentioned metal-bonded grinding wheel portion 16 of the direction in axle center.
Above-mentioned metal-bonded grinding wheel portion 16, when the shape in the situation that its axis direction is observed observes from top, can be depicted as circle as the 16a of metal-bonded grinding wheel portion of Fig. 7.Also can be depicted as circle and be formed with the shape of the groove from its periphery to center as the 16b of metal-bonded grinding wheel portion of Fig. 8.Also can be depicted as circle and be formed with its central authorities in the shape of the groove of crosscut radially as the 16c of metal-bonded grinding wheel portion of Fig. 9.Also can be depicted as i.e. fan-shaped corresponding to the arc of 90 °, central angle of quadrant shape as the 16d of metal-bonded grinding wheel portion of Figure 10.Also can be depicted as semicircle as the 16e of metal-bonded grinding wheel portion of Figure 11.Also can be as shown in the 16f of metal-bonded grinding wheel portion of Figure 12, be arranged to the point-symmetric shape centered by the C of axle center for quadrant shape and corresponding to two fan-shaped segments of the arc of 90 °, central angle.Also can be depicted as triangle as the 16g of metal-bonded grinding wheel portion of Figure 13.Also can be as shown in the 16h of metal-bonded grinding wheel portion of Figure 14, for circular and be configured to the shape that its center is the mid point between above-mentioned axle center C and the periphery of above-mentioned base member portion 24.Also can be as shown in the 16i of metal-bonded grinding wheel portion of Figure 15, the shape being removed for the part in the outside of the periphery of the above-mentioned base member of being positioned in triangle portion 24.Also can be depicted as quadrangle as the 16j of metal-bonded grinding wheel portion of Figure 16.In the mode shown in Figure 13 and Figure 16, the revolution footpath of the above-mentioned metal-bonded grinding wheel 16g of portion, 16j, larger than the footpath size of the periphery of above-mentioned base member portion 24, according to this formation, can make the discharge of cutting powder improve.Also can be as shown in the 16k of metal-bonded grinding wheel portion of Figure 17, the shape being removed for the part in the outside of the above-mentioned base member of being positioned in quadrangle portion 24.Also can be as shown in the 16l of metal-bonded grinding wheel portion of Figure 18, for circular and be formed with the shape of the criss-cross groove that comprises its center.Also can be as shown in the 16m of metal-bonded grinding wheel portion of Figure 19, for comprise axle center C by the end rounded face of above-mentioned base member portion 24 at the linearity of crosscut radially.Also can be the cross that comprises axle center C as shown in figure 20.
Above-mentioned metal-bonded grinding wheel portion 16, when the shape in the case of the direction perpendicular to its axle center is observed is side-looking, can be depicted as rectangle (rectangle) as the 16o of metal-bonded grinding wheel portion of Figure 21.Also can be as shown in the 16p of metal-bonded grinding wheel portion of Figure 22, for top ends is formed as the shape of semicircle (hemispherical).Also can be as shown in the 16q of metal-bonded grinding wheel portion of Figure 23, for top ends chamfering shape.Also can be as shown in the 16r of metal-bonded grinding wheel portion of Figure 24, for top ends by chamfering more circularly shape.Also can be as shown in the 16v of metal-bonded grinding wheel portion of the 16u of metal-bonded grinding wheel portion, Figure 28 of the 16t of metal-bonded grinding wheel portion, Figure 27 of the 16s of metal-bonded grinding wheel portion, Figure 26 of Figure 25, be the shape of the formation that reduces gradually towards tip side width dimensions.
As described above, as the shape of above-mentioned electro-deposition grinding stone portion 18 of processing that realizes the above-mentioned hole portion 36 on above-mentioned cover glass 34, except with the illustrative shapes such as Fig. 2, also can consider the shape shown in Figure 29.This Figure 29 is that the B of presentation graphs 2 is to the figure looking perpendicular to the shape of the above-mentioned electro-deposition grinding stone portion 18 of the direction in axle center.As shown in the electro-deposition grinding stone 18a of portion of this Figure 29, by the necking part 20a of the multiple abrasive particles of electro-deposition, in the time of side-looking, be hyperbolic wire (hyperboloid of one sheet shape)., the above-mentioned electro-deposition grinding stone 18a of portion can be while possessing side-looking to be the shape of the abradant surface of hyperbolic wire.
Figure 30 is the process chart of the major part of manufacture method one example of the instrument 10 of explanation the present embodiment.First, in base member production process P1, by ferrous material or superhard alloy, tool body that preferably making such as carbon steel, molybdenum steel or stainless steel comprises above-mentioned shank 12 and base member portion 24.In this base member production process P1, in the side perimembranous of above-mentioned base member portion 24, for example, by using the grinding etc. of grinding stone to form above-mentioned necking part 20.The necking part that, above-mentioned base member production process P1 forms necking part corresponding to the side perimembranous at above-mentioned tool body forms operation.In this base member production process P1, preferably do not carry out Quenching Treatment.Reason is in the situation that quenching, and in the metal-bonded grinding wheel soldering operation P3 of portion described later, sometimes reaches 1000 ℃ of left and right, the anxiety that has tool body to deform.
Then, form in operation P2 in metal-bonded grinding wheel portion, form multiple abrasive particles by the metallic bond above-mentioned metal-bonded grinding wheel portion 16 forming that mutually combines.For example, mix contain among W, Co, Ni, Fe, Ag, Cu and Sn at least one metallic bond and contain diamond and CBN among at least one abrasive particle and contain GC, graphite, MoS
2and CeO
2among at least one filler, in for example temperature pressure sintering of 500～1200 ℃, form thus above-mentioned metal-bonded grinding wheel portion 16.
Then, in the soldering operation P3 of metal-bonded grinding wheel portion, the tool body of making is formed with to the top ends of the tool body of above-mentioned necking part 20 in the side perimembranous of above-mentioned base member portion 24 in above-mentioned base member production process P1, the above-mentioned metal-bonded grinding wheel portion 16 that soldering is made in above-mentioned metal-bonded grinding wheel portion forms operation P2.For example, adopt and contain at least one among Ag, Cu, Sn and Ni as principal component, and at least one the solder containing among Ti, Cr and Zr as active metal carries out soldering.Preferably in inert gas atmosphere, implement the heat treatment of 1000 ℃ of left and right.In this heat treatment, adjust to make above-mentioned tool body not deform by controlling heating curves (heat curve) (intensification, cooling velocity).Preferably be brazed in after above-mentioned tool body in above-mentioned metal-bonded grinding wheel portion 16, adjust the processing of the appearance and size of this metal-bonded grinding wheel portion 16.For example, process to adjust the appearance and size of above-mentioned metal-bonded grinding wheel portion 16 by electric discharge.At this, above-mentioned metal-bonded grinding wheel portion 16 is fixed on after tool body, while processing this tool body (base member), have the anxiety deforming, therefore the formation of the above-mentioned necking part 20 in preferred above-mentioned base member production process P1 is carried out prior to the soldering operation P3 of this metal-bonded grinding wheel portion.
Then, sheltering in operation P4, to applied mask by soldering in the above-mentioned metal-bonded grinding wheel portion 16 of the top ends of above-mentioned tool body in the above-mentioned metal-bonded grinding wheel soldering operation P3 of portion.Then, form in operation P5 in electro-deposition grinding stone portion, to above-mentioned metal-bonded grinding wheel portion 16 having been applied at least above-mentioned necking part 20 of the tool body (base member portion 24) of mask above-mentioned in sheltering operation P4, the multiple abrasive particles of electro-deposition, form above-mentioned electro-deposition grinding stone portion 18.This electro-deposition, preferably utilizing well-known nickel watt to bathe carries out, for example, with process as pretreated electrolytic scrubbing processing, ungrease treatment, acid elution and electrolytic scrubbing processing continues, carry out striking plating processing, the processing of substrate plating, the temporary fixed processing of abrasive particle and formal plating processing as plating processing, and then carry out as the ungrease treatment of post processing and dry processing, form above-mentioned electro-deposition grinding stone portion 18 in above-mentioned base member portion 24 thus.Form and in operation P5, form after above-mentioned electro-deposition grinding stone portion 18 in this electro-deposition grinding stone portion, remove the mask that puts on above-mentioned metal-bonded grinding wheel portion 16.By above operation, make above-mentioned instrument 10.
Then,, in order to verify effect of the present invention, the test of carrying out for the inventor describes.The inventor, as embodiment test specimen, employing manufacture method is as described above made the instrument 10 of the present embodiment, and, test specimen as a comparative example, make and be configured to like that as shown in figure 33 cylindrical shape, the surface electrical that is formed with the base member of necking down in its side perimembranous is deposited to the electro-deposition grinding stone 100 of multiple abrasive particles, be configured to like that as shown in figure 34 cylindrical shape, be formed with necking down in its side perimembranous, multiple abrasive particles are by the metallic bond metal-bonded grinding wheel 200 forming that mutually combines, under following condition, carry out the processing experiment of the hole portion 36 of above-mentioned cover glass 34.That is, adopt each test specimen repeatedly to carry out the processing of above-mentioned hole portion 36, compare until there is the long duration test of the processing hole count of unfavorable condition.For above-described embodiment test specimen and the comparative example test specimen of this test, it is the test specimen that the footpath size φ 2 shown in Fig. 2 is 1.0mm φ (the periphery footpath of base member portion 24 is of a size of 0.9mm φ).
[processing conditions]
Machinery: touch panel glass processing machine
Cut material: tempered glass
Cut material size: L100mm × W50mm × t0.7mm
Processing dimension: slotted hole (11mm × 1.2mm)
[perforate processing]
Rotating speed: 50000/ minute
Feed rate: 400mm/ minute
Processing number of times: 16 times reciprocal (32 passage)
Every time approach (cutting-in): 0.025mm
[chamfer machining]
Rotating speed: 50000/ minute
Feed rate: 800mm/ minute
Allowance: 0.05mm
Figure 31 and Figure 32 are the figure that represents the result of above-mentioned long duration test, and Figure 31 represents above-mentioned cover glass 34 only to carry out the result of perforate processing, and Figure 32 represents above-mentioned cover glass 34 to carry out the result of perforate processing and chamfer machining.As shown in these figures, be configured to cylindrical shape, the comparative example test specimen that the surface electrical that is formed with the base member of necking down in its side perimembranous deposits multiple abrasive particles is electro-deposition grinding stone 100, wear and penetrate at about 400shot() machining load of (processing hole count 400) lower aperture portion uprises, and tool tip portion deforms.Thus, the deterioration in accuracy of machined surface, has reached life tools.Be configured to cylindrical shape, being formed with abrasive particles necking down, multiple in its side perimembranous is metal-bonded grinding wheel 200 by the metallic bond comparative example test specimen forming that mutually combines, demonstrate durability more than 4000shot for perforate processing, but in the stage axial region breakage of having carried out 1000shot processing, become and can not process in chamfer machining.The instrument 10 of the present embodiment, in the time that 4000shot is above, the machining load of above-mentioned electro-deposition grinding stone portion 18 uprises.Thus, the deterioration in accuracy of machined surface, has reached life tools.That is, verified: at the instrument 10 of the present embodiment, than the life tools that show 10 times of left and right as the above-mentioned electro-deposition grinding stone 100 of prior art, show the life tools of 4 times of left and right than above-mentioned metal-bonded grinding wheel portion 200.
Like this, according to the present embodiment, owing to being the instrument that possesses metal-bonded grinding wheel portion 16 and the electro-deposition grinding stone portion 18 of sheet, described metal-bonded grinding wheel portion 16, be arranged at the top ends of tool body and be specifically designed to above-mentioned perforate processing, multiple abrasive particles are mutually combined and are formed by metallic bond, described electro-deposition grinding stone portion 18 is specifically designed to above-mentioned chamfer machining, to form at the multiple abrasive particles of necking part 20 electro-deposition of the side perimembranous that is formed at above-mentioned tool body, therefore possess two kinds of different grinding stone portions 16 of character difference, 18, be respectively used to above-mentioned perforate processing and chamfer machining, can make thus the machining accuracy raising as the processing of the hole portion 36 on the above-mentioned cover glass 34 of sheet glass, and extend life tools., the instrument 10 of machining accuracy and instrument excellent in te pins of durability can be provided.
Above-mentioned metal-bonded grinding wheel portion 16, it is the top ends that is fixed on above-mentioned tool body by soldering, the solder that this soldering is used, to contain at least one among Ag, Cu, Sn and Ni as principal component, and contain at least one the solder among Ti, Cr and Zr as active metal, therefore adopt practical solder, can firmly fix above-mentioned metal-bonded grinding wheel portion 16 to above-mentioned tool body.
Above-mentioned metal-bonded grinding wheel portion 16, be formed as the C content formation more than other part in the planar portions 32 of the top ends institute soldering to above-mentioned tool body, therefore can be by the reaction of active metal and C, above-mentioned tool body is firmly fixed to above-mentioned metal-bonded grinding wheel portion 16.
Above-mentioned metal-bonded grinding wheel portion 16, is the planar portions 32 in the top ends institute soldering to above-mentioned tool body, and therefore the grinding stone portion that disposes regularly above-mentioned multiple abrasive particles can firmly fix above-mentioned metal-bonded grinding wheel portion 16 to above-mentioned tool body.
Above-mentioned metal-bonded grinding wheel portion 16, be comprise contain among W, Co, Ni, Fe, Ag, Cu and Sn at least one above-mentioned metallic bond and contain diamond and CBN among at least one the grinding stone portion of above-mentioned abrasive particle, therefore can adopt the metal-bonded grinding wheel portion 16 of practical form to carry out well above-mentioned perforate processing.
Above-mentioned metal-bonded grinding wheel portion 16 is to contain GC, graphite, MoS as filler
2and CeO
2among at least one grinding stone portion, therefore can adopt the metal-bonded grinding wheel portion 16 of practical form to carry out well above-mentioned perforate processing.
Above-mentioned tool body, is carbon steel, molybdenum steel or stainless steel, therefore can use the base member of practical form, and the instrument 10 of machining accuracy and instrument excellent in te pins of durability is provided.
The manufacture method of above-mentioned instrument, comprising: form the base member production process P1 of operation as necking part, this operation forms above-mentioned necking part 20 in the side perimembranous of above-mentioned tool body; The soldering operation P3 of metal-bonded grinding wheel portion, this operation to being formed with the top ends of the above-mentioned tool body of above-mentioned necking part 20, the above-mentioned metal-bonded grinding wheel of soldering portion 16 in this base member production process P1; Form operation P5 with electro-deposition grinding stone portion, this operation in the soldering operation P3 of this metal-bonded grinding wheel portion in top ends soldering the multiple abrasive particles of above-mentioned necking part 20 electro-deposition of above-mentioned tool body of above-mentioned metal-bonded grinding wheel portion 16, form above-mentioned electro-deposition grinding stone portion 18.Therefore in manufacturing process, instrument can not deform, and the instrument 10 of machining accuracy and instrument excellent in te pins of durability can be provided.
Owing to comprising that metal-bonded grinding wheel portion forms operation P2, this operation is by forming above-mentioned metallic bond and above-mentioned abrasive particle pressure sintering above-mentioned metal-bonded grinding wheel portion 16, above-mentioned metallic bond contains at least one among W, Co, Ni, Fe, Ag, Cu and Sn, above-mentioned abrasive particle contains at least one among diamond and CBN, therefore can form the metal-bonded grinding wheel portion 16 of practical form.
The above-mentioned metal-bonded grinding wheel soldering operation P3 of portion, it is the operation of the next above-mentioned metal-bonded grinding wheel of the top ends soldering portion 16 at above-mentioned tool body of heat treatment by implement set point of temperature in inert gas atmosphere, therefore can not make above-mentioned base member deform, can be in its top ends above-mentioned metal-bonded grinding wheel of soldering portion 16 well.
Above, describe preferred embodiment of the present invention in detail based on accompanying drawing, but the present invention is not limited to this, and then also can implements under other mode.
For example, in the above-described embodiment, exemplified with the shape and size of the each several part of above-mentioned instrument 10, but this is only preferred embodiment, and the present invention is not limited by described embodiment.Particularly the outside dimension φ 2 of the above-mentioned metal-bonded grinding wheel portion 16 shown in Fig. 2, be set up size L4 of the necking part 20 of above-mentioned electro-deposition grinding stone portion 18 etc., can suitably change according to shape, the size of the above-mentioned hole portion 36 that becomes processing object.Fig. 7～Figure 29 is the illustration of the shape of above-mentioned metal-bonded grinding wheel portion 16 and electro-deposition grinding stone portion 18, the invention is not restricted to this shape.In addition, as sheet glass machining tool of the present invention, also can be except above-mentioned metal-bonded grinding wheel portion 16 and electro-deposition grinding stone portion 18, also be provided with the instrument of other grinding stone portions of the end face (peripheral end face) for processing above-mentioned cover glass 34 in above-mentioned shank 12 grades.
The manufacture method of above-mentioned instrument 10 explanation, shown in Figure 30, also can realize even if change the order of each operation in the above-described embodiments.For example, above-mentioned base member production process P1 and metal-bonded grinding wheel portion form the operation of operation P2 and can carry out concurrently, also can form and in operation P2, form after above-mentioned metal-bonded grinding wheel portion 16 in above-mentioned metal-bonded grinding wheel portion, in above-mentioned base member production process P1, make above-mentioned tool body.
In addition, although do not illustrate one by one, the present invention can be in the scope that does not depart from its main idea in addition various changes and implementing.
Claims (10)
1. a sheet glass machining tool, is that sheet glass is formed on to the perforate processing of hole portion of thickness direction perforation and the sheet glass machining tool of the chamfer machining of this hole portion, it is characterized in that possessing:
The metal-bonded grinding wheel portion of sheet, the top ends that it is arranged at tool body, is specifically designed to described perforate processing, and multiple abrasive particles are mutually combined and are formed by metallic bond; With
Electro-deposition grinding stone portion, it is specifically designed to described chamfer machining, is to form at the multiple abrasive particles of necking part electro-deposition of the side perimembranous that is formed at described tool body.
2. sheet glass machining tool according to claim 1, described metal-bonded grinding wheel portion is the top ends that is fixed in described tool body by soldering, the solder that this soldering is used, to contain at least one among Ag, Cu, Sn and Ni as principal component, and, contain at least one solder as active metal among Ti, Cr and Zr.
3. sheet glass machining tool according to claim 2, the C content formation more than other part that described metal-bonded grinding wheel portion is the planar portions of the top ends institute soldering to described tool body.
4. according to the sheet glass machining tool described in claim 2 or 3, described metal-bonded grinding wheel portion, is to configure regularly described multiple abrasive particle in the planar portions of the top ends institute soldering to described tool body to form.
5. according to the sheet glass machining tool described in any one of claim 1～4, described metal-bonded grinding wheel portion is the grinding stone portion that comprises described metallic bond and described abrasive particle, described metallic bond contains at least one among W, Co, Ni, Fe, Ag, Cu and Sn, and described abrasive particle contains at least one among diamond and CBN.
6. according to the sheet glass machining tool described in any one of claim 1～5, GC, graphite, MoS are contained in described metal-bonded grinding wheel portion
2and CeO
2among at least one grinding stone portion as filler.
7. according to the sheet glass machining tool described in any one of claim 1～6, described tool body is carbon steel, molybdenum steel or stainless steel.
8. a manufacture method for sheet glass machining tool, is the manufacture method of the sheet glass machining tool described in any one of claim 1～7, it is characterized in that, comprising:
Necking part forms operation, and this operation forms described necking part in the side perimembranous of described tool body;
Metal-bonded grinding wheel portion soldering operation, this operation is to forming at this necking part the top ends that has formed the described tool body of described necking part in operation, metal-bonded grinding wheel portion described in soldering; With
Electro-deposition grinding stone portion forms operation, this operation in this metal-bonded grinding wheel portion soldering operation in top ends soldering the multiple abrasive particles of described necking part electro-deposition of described tool body of described metal-bonded grinding wheel portion, form described electro-deposition grinding stone portion.
9. the manufacture method of sheet glass machining tool according to claim 8, comprise that metal-bonded grinding wheel portion forms operation, this operation is by forming described metallic bond and described abrasive particle pressure sintering described metal-bonded grinding wheel portion, described metallic bond contains at least one among W, Co, Ni, Fe, Ag, Cu and Sn, and described abrasive particle contains at least one among diamond and CBN.
10. the manufacture method of sheet glass machining tool according to claim 8 or claim 9, described metal-bonded grinding wheel portion soldering operation is the heat treatment by implement set point of temperature in inert gas atmosphere and the operation to metal-bonded grinding wheel portion described in the top ends soldering of described tool body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP263654/2012 | 2012-11-30 | ||
| JP2012263654A JP5892916B2 (en) | 2012-11-30 | 2012-11-30 | Thin glass processing tool and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103846759A true CN103846759A (en) | 2014-06-11 |
Family
ID=50855131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631764.6A Pending CN103846759A (en) | 2012-11-30 | 2013-11-29 | Machining tool for thin sheet glass and method of manufacturing the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5892916B2 (en) |
| KR (1) | KR20140070348A (en) |
| CN (1) | CN103846759A (en) |
| TW (1) | TW201420268A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107000166A (en) * | 2015-02-10 | 2017-08-01 | 新日铁住金高新材料股份有限公司 | Glass sheet instrument |
| CN111041262A (en) * | 2019-12-31 | 2020-04-21 | 苏州赛尔科技有限公司 | TFT touch screen grinding rod and preparation method thereof |
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| JP2017052080A (en) * | 2015-09-07 | 2017-03-16 | 新日鉄住金マテリアルズ株式会社 | Diamond grindstone |
| KR20180036846A (en) * | 2016-09-30 | 2018-04-10 | 엘지디스플레이 주식회사 | Apparatus for processing a substrate and display device having the same |
| CN107263219A (en) * | 2017-06-23 | 2017-10-20 | 四川旭虹光电科技有限公司 | The processing method and photovoltaic of glass panel/photo-thermal device |
| JP6982993B2 (en) * | 2017-06-29 | 2021-12-17 | 旭ダイヤモンド工業株式会社 | Super abrasive grain tool |
| JP2020199598A (en) * | 2019-06-11 | 2020-12-17 | 島根県 | Manufacturing method for tool for cutting or grinding |
| JP2022076183A (en) * | 2020-11-09 | 2022-05-19 | 株式会社ナノテム | Tool, diameter adjustment method, and drill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54117988A (en) * | 1978-03-03 | 1979-09-13 | Fuji Daisu Kougiyou Kk | Electrodeposition grind stone |
| JPS62241841A (en) * | 1986-04-15 | 1987-10-22 | Kiyokuei Kenma Kako Kk | Method for forming chamfered hole and tool therefor |
| JPH0413128Y2 (en) * | 1986-04-15 | 1992-03-27 | ||
| JPH0319774A (en) * | 1989-03-08 | 1991-01-28 | Nachi Fujikoshi Corp | Burr removing tool and drill |
| JPH0732205A (en) * | 1993-07-19 | 1995-02-03 | Nippon Sheet Glass Co Ltd | One way boring drill |
| JP3953174B2 (en) * | 1997-02-06 | 2007-08-08 | 三京ダイヤモンド工業株式会社 | Diamond drill bit for dry drilling and manufacturing method thereof |
| JP2003094341A (en) * | 2001-09-27 | 2003-04-03 | Allied Material Corp | Metal bond super abrasive grain grinding wheel |
| US20050260939A1 (en) * | 2004-05-18 | 2005-11-24 | Saint-Gobain Abrasives, Inc. | Brazed diamond dressing tool |
| JP2009297862A (en) * | 2008-06-16 | 2009-12-24 | Sodeyama Giken Kogyo Kk | Polishing tool |
-
2012
- 2012-11-30 JP JP2012263654A patent/JP5892916B2/en not_active Expired - Fee Related
-
2013
- 2013-08-29 TW TW102131020A patent/TW201420268A/en unknown
- 2013-09-24 KR KR1020130113353A patent/KR20140070348A/en not_active Application Discontinuation
- 2013-11-29 CN CN201310631764.6A patent/CN103846759A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107000166A (en) * | 2015-02-10 | 2017-08-01 | 新日铁住金高新材料股份有限公司 | Glass sheet instrument |
| CN111041262A (en) * | 2019-12-31 | 2020-04-21 | 苏州赛尔科技有限公司 | TFT touch screen grinding rod and preparation method thereof |
| CN111041262B (en) * | 2019-12-31 | 2021-07-06 | 苏州赛尔科技有限公司 | TFT touch screen grinding rod and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014108479A (en) | 2014-06-12 |
| TW201420268A (en) | 2014-06-01 |
| JP5892916B2 (en) | 2016-03-23 |
| KR20140070348A (en) | 2014-06-10 |
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Application publication date: 20140611 |