WO2014050884A1 - 平刃状切断刃およびグリーンシート切断刃 - Google Patents

平刃状切断刃およびグリーンシート切断刃 Download PDF

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Publication number
WO2014050884A1
WO2014050884A1 PCT/JP2013/075902 JP2013075902W WO2014050884A1 WO 2014050884 A1 WO2014050884 A1 WO 2014050884A1 JP 2013075902 W JP2013075902 W JP 2013075902W WO 2014050884 A1 WO2014050884 A1 WO 2014050884A1
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WIPO (PCT)
Prior art keywords
blade
cutting
tip
flat
edge
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PCT/JP2013/075902
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English (en)
French (fr)
Japanese (ja)
Inventor
浩則 堀端
貴哉 金山
林　武彦
Original Assignee
株式会社アライドマテリアル
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 株式会社アライドマテリアル filed Critical 株式会社アライドマテリアル
Priority to KR1020157008933A priority Critical patent/KR101599201B1/ko
Priority to CN201380050641.1A priority patent/CN104684700B/zh
Priority to JP2014538527A priority patent/JP5766886B2/ja
Publication of WO2014050884A1 publication Critical patent/WO2014050884A1/ja
Priority to PH12015500707A priority patent/PH12015500707B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H01G4/12—Ceramic dielectrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0053—Cutting members therefor having a special cutting edge section or blade section
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0195—Tool for a process not provided for in H05K3/00, e.g. tool for handling objects using suction, for deforming objects, for applying local pressure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0228—Cutting, sawing, milling or shearing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0052—Depaneling, i.e. dividing a panel into circuit boards; Working of the edges of circuit boards

Definitions

  • the present invention relates to a flat cutting blade and a green sheet cutting blade.
  • a paste-like sheet containing a mixture of dielectric ceramic powder and a binder is used, and these are laminated (called a green sheet) individually.
  • the green sheet cutting method includes a method of cutting with a rotating round blade called a dicing method and a guillotine method of cutting with a flat blade-like cutting blade.
  • the cutting accuracy of the dicing method is higher than that of the guillotine method, the material yield is worse than the guillotine method due to the generation of cutting scraps, and the cutting speed is also inferior, so the size of the green sheet after cutting becomes smaller.
  • the guillotine method is useful.
  • the flat blade-shaped cutting blade has a shape having a cutting execution portion that contributes to cutting, that is, a blade tip portion and a base portion (also referred to as a shank) having parallel surfaces for fixing the cutting blade to the cutting device.
  • Flat-blade cutting blades are sharp (low shear resistance during cutting), wear resistant, weld resistant to the workpiece, strong against buckling, and long life ("Life” as used herein refers to the point in time when the cross-sectional shape of the workpiece is damaged by chipping, and in the case of a multilayer capacitor cutting blade, peeling of the multilayer film occurs. And cutting blade life).
  • Patent Document 1 describes a structure in which a vertical cut surface can be formed by providing an arrow-shaped step in the cross-sectional shape of the blade edge (Patent Document 1).
  • the shape of the cutting edge is particularly important, and considering the damage to the object to be cut, it is better to use a thin blade and have a small angle at the tip of the cutting edge.
  • the strength becomes inevitable as the blade becomes thinner. Therefore, the cutting blade currently used is devised such as increasing the cutting edge angle of the cutting edge by providing one or more angles between the cutting edge and the base.
  • Patent Document 2 discloses a structure in which the cutting edge portion is formed of a plurality of concave curved surfaces to reduce shear resistance and increase buckling strength (Patent Document 2).
  • hard materials such as cemented carbide other than stainless steel are used for the flat blade-shaped cutting blade.
  • the material is a hard material
  • the material is rigid but difficult to cut and tough. Low and easy to chip.
  • the blade thickness is thin, even if it is a hard material, a shape excellent in workability is required because the blade tends to escape by pressing of a grindstone during processing, especially at the tip of the blade tip.
  • accurate processing is not easy, and there is a problem in terms of practicality.
  • the dimensions of the workpiece are different on the left and right of the cutting blade, so if the product size is significantly smaller than the green sheet, the smaller one of the left and right workpieces will be It is necessary to suppress oblique cutting due to so-called “escape” that is easily deformed.
  • Patent Documents 1 and 2 have a problem that the structure is not capable of suppressing oblique cutting.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a cutting blade that satisfies both stable shape accuracy and cutting performance and can suppress oblique cutting.
  • the present inventor examined whether oblique cutting can be suppressed while ensuring the strength of the tip of the blade edge and reducing the shear resistance during cutting.
  • the present invention has been made.
  • the first aspect of the present invention is a cutting edge which is formed so as to connect a flat base portion, left and right blade surfaces inclined so as to approach each other from both surfaces of the base portion, and the left and right blade surfaces, and having a convex curved surface.
  • the shortest distance between the intersection of two straight lines along the left and right blade surfaces and the tip of the blade edge is 1 ⁇ m or more and 10 ⁇ m or less, and the convex curved surface
  • the length in the center line direction of the front end portion having a width is different from the left and right with respect to the center line of the base portion, the difference is not less than 1 ⁇ m and not more than 20 ⁇ m, and two straight lines along the left and right blade surfaces
  • An internal angle of the crossing angle is 4 degrees or more and 60 degrees or less.
  • a second aspect of the present invention is a green sheet cutting blade having the flat blade-like cutting blade described in the first aspect.
  • FIG. 3 is a cross-sectional view showing the tip shape of the flat blade-shaped cutting blade 1.
  • FIG. 4 is an enlarged view of the vicinity of a connection portion 15 in FIG. 3. It is sectional drawing for demonstrating diagonal cutting. It is sectional drawing for demonstrating diagonal cutting.
  • FIG. 3 is a schematic diagram showing a method for processing the tip of the flat blade-shaped cutting blade 1.
  • FIG. 3 is a schematic diagram showing a method for processing the tip of the flat blade-shaped cutting blade 1.
  • FIG. 3 is a schematic diagram showing a method for processing the tip of the flat blade-shaped cutting blade 1.
  • the flat blade-shaped cutting blade 1 is a flat plate-like base portion 5 having a rectangular planar shape, and a cutting execution portion that cuts the workpiece 100 and is provided on one long side of the base portion 5.
  • a blade edge portion 7 is provided.
  • the base part 5 has a fixed part 5a having parallel straight parts as shown in the figure, and a connecting part 5b for connecting the fixed part 5a and the blade edge part 7 to the fixing part 3 of the cutting device.
  • the length of the long edge direction of the flat blade-shaped cutting blade 1 is L
  • the length of the short side is H
  • the height of the blade edge portion 7 is H1
  • the thickness of the flat blade-shaped cutting blade 1 is This is indicated as T.
  • the blade edge portion 7 connects the left blade surface 9a, the right blade surface 9b, and the left blade surface 9a and the right blade surface 9b which are inclined so as to approach each other from the left and right surfaces of the base portion 5. It has a formed cutting edge tip 11.
  • the cross-sectional shape of the blade edge portion 7 in the plate thickness direction is such that the intersection of the two straight lines 13a and 13b along the left blade surface 9a and the right blade surface 9b and the shortest of the blade edge tip 11 are shown. It is desirable that the distance X is 1 ⁇ m or more and 10 ⁇ m or less.
  • the above value is less than 1 ⁇ m, chipping is likely to occur on the blade edge.
  • it exceeds 10 ⁇ m a large cutting resistance is generated when the cutting edge enters the workpiece 100. Furthermore, it tends to have a short life due to wear. More preferably, it is 1.5 ⁇ m or more and 5 ⁇ m or less.
  • the flat blade-shaped cutting blade 1 has a convex curved surface in advance at the blade tip 11.
  • the convex curved surface means a curved shape that swells outward.
  • both the strength of the cutting edge and the low cutting resistance can be achieved.
  • FIG. 4 when the cross-sectional shape in the plate
  • the cross-sectional shape of the blade tip 11 in the plate thickness direction is such that the length of the blade tip 11 is left and right with respect to the center line 21 (a straight line passing through the center of the base 5 in the plate thickness direction and parallel to the short side direction). Is different. That is, the cross-sectional shape of the blade tip 11 in the thickness direction is asymmetric with respect to the center line 21.
  • the shortest distance Y1 on the left blade surface 9a side from the tip portion 17 of the blade tip 11 to the connection portion 15 and the shortest distance Y2 on the right blade surface 9b side are different from the center line 21.
  • the difference (absolute value of Y1-Y2) is not less than 1 ⁇ m and not more than 20 ⁇ m.
  • the right region 101 is flatter than the left region 103 (sheet side) of the cutting portion.
  • the horizontal length of the blade-shaped cutting blade 1 is short.
  • the cut surface of the right region 101 is compared with the left region 103, as shown in FIG. It tends to be oblique cutting as shown. This depends on the properties of the object to be cut and the size of the product to be cut from the object to be cut, but is more likely to occur as the size of the object to be cut is smaller in the horizontal direction (left and right direction in FIG. 5).
  • this difference exceeds 20 ⁇ m, it may be an oblique cut in the reverse direction, which is not desirable.
  • the difference (absolute value of Y1 ⁇ Y2) is more preferably 2 ⁇ m or more and 10 ⁇ m or less.
  • the shape of the blade tip 11 is preferably such that the internal angle ⁇ of the intersection angle between the two straight lines 13a and 13b along the left blade surface 9a and the right blade surface 9b is 4 degrees or more and 60 degrees or less.
  • ⁇ exceeds 60 degrees, a large load is generated when the cutting edge enters the workpiece 100 and the buckling resistance and the wear resistance are inferior. Further, in such a case, the amount of plastic deformation of the workpiece 100 is increased, the surface of the workpiece 100 is likely to be scratched, and the cut surface is more likely to be inclined rather than vertical, In addition, the cutting resistance increases.
  • ⁇ is more preferably 10 degrees or more and 30 degrees or less from the viewpoint of ensuring the strength of the blade edge and low cutting resistance.
  • the material constituting the flat blade-shaped cutting blade 1 is appropriately selected according to the object to be cut.
  • Specific examples of the material include carbon tool steel and WC-Co based cemented carbide. Is mentioned.
  • the processing method of the blade edge portion 7 of the flat blade-shaped cutting blade 1 is not particularly limited as long as the above-mentioned cutting edge shape can be processed, but the following methods can be exemplified.
  • linear processing is performed on the tip (long side) of the connecting portion 5b of the base portion 5 to form a left blade surface 9a, a right blade surface 9b, and straight lines 13a and 13b.
  • This linear processing is performed, for example, by polishing with a grindstone.
  • the shape of the blade tip 11 has a convex curved surface, the blade tip is too thin in the press working with a grindstone as in the case of forming the left blade surface 9a and the right blade surface 9b. Therefore, the cutting edge easily escapes from the grindstone during processing, and stable processing is not easy.
  • the cutting edge tip 11 can be processed by (1) a method of forming the cutting edge tip 11 in a solution containing abrasive grains, or (2) a solid material in which abrasive grains or other hard materials, that is, metal powder or ceramic powder are mixed. For example, there is a method of forming the blade tip 11 by using.
  • the method shown in (1) is, as shown in FIG. 7, in which a solution 201 having a hard material is filled in an appropriate container 203, and only the cutting edge portion 7 of the flat blade-shaped cutting blade 1 is put into the solution 201.
  • the hard material in the solution 201 and the blade edge portion 7 are brought into contact with each other to form the blade edge tip 11 by reciprocating for a certain time in the blade spanning direction.
  • high-hardness diamond grains are preferable because they can be processed in a short time, but other metal powders and ceramic powders may be used.
  • the solvent of the solution 201 is, for example, water.
  • the method shown in (2) is, as shown in FIG. 8, by cutting the solid material 205 mixed with the hard material powder with the flat blade-shaped cutting blade 1, the hard material in the solid material 205 and the cutting edge.
  • This is a method of forming the cutting edge tip 11 on the cutting edge portion 7 by performing processing by bringing the portion 7 into contact.
  • examples of the solid 205 include a clay-like material.
  • hard material examples include diamond, W, Mo, WC, Al 2 O 3 , TiO 2 , TiC, TiCN, SiC, Si 3 N 4 , and BN powders.
  • the powder particle size of these hard materials is preferably such that the average particle size of secondary particles is 1 ⁇ m or less in terms of Fsss (Fisher Sub-Sieve® Sizer) particle size. This is because if it exceeds 1 ⁇ m, chipping may occur in the processing of the blade edge surface. Further, the finer the particle, the better the shape accuracy of the flat blade-shaped cutting blade. However, it takes time to process, so in this range, it is initially processed with particles of a size close to 1 ⁇ m, and the finish is smaller than 1 ⁇ m. It is more preferable to process with hard material particles of a size. By uniformly dispersing fine particles, uniform cutting edges can be processed.
  • Fsss Fisher Sub-Sieve® Sizer
  • the cross-sectional shape in the plate thickness direction of the blade tip 11 of the flat blade-shaped cutting blade 1 is that the distance from the blade tip 17 to the connection portion 15 is different on the left and right with respect to the center line 21.
  • a method of the film treatment for example, a method of forming a film of sub ⁇ m to several ⁇ m by sputtering method which is one kind of PVD (Physical Vapor Deposition, physical vapor deposition) can be mentioned.
  • PVD Physical Vapor Deposition, physical vapor deposition
  • the type of coating is not particularly limited, and may be Ti-based or Fe-based, or non-metallic, as long as the hardness is lower than the material of the flat-bladed cutting blade 1.
  • the tip of the blade tip can be processed into an asymmetric shape, and the degree of asymmetry (Y1 and Y2) is the film thickness of the film. Can be adjusted. The film is finally polished by processing and disappears.
  • the order of the coating treatment is not necessarily after the blade surfaces 13a and 13b are formed on both surfaces, and the coating treatment is performed after cutting only one surface of the material of the flat blade-shaped cutting blade 1, and the other remaining after that.
  • the single-sided blade processing may be performed.
  • the flat blade-shaped cutting blade 1 subjected to the coating treatment on one surface in a solution having, for example, a hard material, the flat blade-shaped cutting blade having the above-described shape can be finished.
  • the blade edge portion 7 that is the cutting execution portion of the flat blade-shaped cutting blade 1 includes the left blade surface 9 a and the right blade surface 9 b that are inclined so as to approach each other from the left and right surfaces of the base 5.
  • the shortest distance of the blade tip 11 is not less than 1 ⁇ m and not more than 10 ⁇ m, the length of the blade tip 11 is different on the left and right with respect to the center line 21, and the difference is not less than 1 ⁇ m and not more than 20 ⁇ m,
  • the interior angle of the intersection angle of the two straight lines along the left and right blade surfaces is not less than 4 degrees and not more than 60 degrees.
  • the flat blade-shaped cutting blade 1 satisfies both stable shape accuracy and cutting performance, and can suppress oblique cutting.
  • Example 1 A cutting test using the flat blade-shaped cutting blade 1 manufactured by the method of forming the blade tip 11 in a solution having abrasive grains is performed, and the effect of the shape of the blade tip 11 on the chipping property, wear resistance and cutting surface is examined. evaluated.
  • the specific procedure is as follows.
  • ⁇ Processing of flat cutting blade 1> First, a flat plate material made of cemented carbide FM10K made by Allied Material Co., Ltd. is prepared. Then, with existing technology using a grindstone, polishing is performed on one of the long sides so as to be bilaterally symmetric with respect to the cross section in the thickness direction, and the left blade surfaces 9a and 13a and the right blade surfaces 9b and 13b are formed. Formed.
  • a TiN film having a thickness of 2 ⁇ m was formed on one side from the tip of the blade to a position of 1 mm by a sputtering method using Niden Anelva Corporation SPF-332.
  • the blade edge of the flat blade-shaped cutting blade 1 was immersed in a solution 201 having a hard material, and the blade edge tip 11 was formed by reciprocating in the blade spanning direction for a predetermined time.
  • polishing diamond slurry PC-1-W (Fsss particle size 1 ⁇ m) manufactured by Wada Trading Co., Ltd. was used, and PC-N100-W (particle size 0.1 ⁇ m) was used as the finish.
  • the solution 201 (aqueous solution) is slid while stirring so as to have a uniform concentration so as not to affect the cutting edge processing, and the slide time is adjusted.
  • the connection part 15 of FIG. 4 was a curve.
  • the flat blade-shaped cutting blade 1 is mainly a cutting blade for a green sheet, but as an object to be cut, a mixture of metal powder and oil clay was prepared in order to perform an acceleration test. .
  • the product green sheet has a large difference in properties (mechanical strength such as shear resistance) for each product, and it is difficult to select a green sheet having typical characteristics, and also for simple evaluation. .
  • the metal powder was a material corresponding to the ceramic powder in the green sheet
  • the oil clay was regarded as a material corresponding to the binder in the green sheet.
  • the specific material manufacturing method and cutting test procedure are as follows.
  • W powder having an Fsss particle size of 1 ⁇ m was mixed in an oil mortar made of Chubu Denki Kogyo Co., Ltd. in a mortar so as to have a weight ratio of 100: 20.
  • this mixture was molded to a thickness of 1 mm at a press pressure of 10 kg / cm 2 to obtain a workpiece.
  • the flat blade-shaped cutting blade 1 was incorporated into a cutting device, and the material was continuously cut at a lowering speed of the cutting blade of 10 mm / second.
  • the flat cutting blade 1 when the flat cutting blade 1 is raised, it can be moved in the horizontal direction so that the workpiece is not cut twice at the same horizontal position when continuously cutting.
  • the dimension of the width direction of a to-be-cut object was 1 mm.
  • a schematic diagram is shown in FIG.
  • the lower part of the object to be cut must have a lower hardness than the object to be cut, and qualitative filter paper grade No. 1 manufactured by Toyo Filter Paper Co., Ltd. was laid.
  • Table 1 shows the state of the cutting edge before cutting and after performing the above cutting 1000 times.
  • the presence / absence of chipping is observed by enlarging the entire surface in the direction of the cutting edge, and “ ⁇ ” indicates that no chipping is observed or there is a chipping of less than 5 ⁇ m.
  • the case where there was a chip of 10 ⁇ m or more was judged as “x”.
  • the observation was performed with an Olympus microscope STM6-LM at a magnification of 200 times.
  • the degree of wear of the blade edge is “ ⁇ ” when the distance of H1 in FIG. 2 is shortened by 5 ⁇ m or less compared to before the start of cutting with the microscope, “ ⁇ ”, and when “5 ⁇ m is shortened by 10 ⁇ m or less” The case where it shortened exceeding 10 micrometers was judged as "x".
  • the state of the cut surface of the cut product is also observed with a microscope.
  • ⁇ When the scratch on the 1000th cut surface is scratched with a width of less than 5 ⁇ m, “ ⁇ ”, and when the scratch of 5 ⁇ m or more and less than 10 ⁇ m is seen, “ ⁇ “If the scratch of 10 ⁇ m or more was observed, it was judged as“ x ”.
  • the evaluation of the presence or absence of oblique cutting was performed by observing the cut surface of the product to be cut having a thickness of 1 mm and a cutting width of 2 mm with an optical microscope after the cutting was performed, and confirmed whether the cutting was performed vertically.
  • the angle of the cut surface of the workpiece is 89 to 90 degrees, “ ⁇ ”, less than 89 degrees, “ ⁇ ” when 88 degrees or more, “ ⁇ ” when less than 88 degrees, 87 degrees or more, and “ ⁇ ” when less than 87 degrees ⁇ ”.
  • samples (Sample Nos. Comparative Examples 1 and 2, 6 to 9) whose shortest distance X is out of this range are either the presence or absence of chipping of the blade edge, the degree of wear of the blade edge, or the state of the cut surface of the workpiece. (Or all) was rated “x”.
  • Comparative Example 1 having a cutting edge angle of 4 degrees is an oblique cutting.
  • the state of “ ⁇ ” was “ ⁇ ”
  • Comparative Example 6 with a blade edge angle of 30 degrees was “ ⁇ ”
  • Comparative Example 8 with a blade edge angle of 60 degrees was “X”, which was clearly oblique cut.
  • Comparative Example 3 where the blade edge angle was 3 degrees, the presence or absence of chipping of the blade edge, the degree of wear of the blade edge, and the state of the cut surface of the workpiece were all “x”.
  • Comparative Example 10 of 65 degrees, the degree of wear of the blade edge, the state of the cut surface of the workpiece, and the oblique cutting state were “x”.
  • Example 2 As a process for forming the blade tip 11, the blade tip 11 was formed using a method of forming the blade tip 11 using a solid material, and a cutting test was performed. The specific procedure is as follows.
  • Example 1 a plate material similar to that of Example 1 is polished by an existing technique using a grindstone so as to be symmetric with respect to a cross section in the thickness direction, and left blade surfaces 9a and 13a and a right blade surface 9b. , 13b was formed.
  • a TiN film having a thickness of 2 ⁇ m was formed from the tip of the blade tip to a position of about 1 mm by sputtering under the same conditions as in Example 1.
  • the specific surface area BET (Brunauer, Emmet and Teller) value of titanium oxide is 36 m 2 / g. Was less than 0.1 ⁇ m.
  • this solid material was used as an object to be cut, and a flat blade-like cutting blade 1 was incorporated into a cutting device, and the cutting blade was continuously cut at a descending speed of 5 mm / second.
  • the cutting edge number 11 was adjusted to adjust the blade tip 11 to the shape shown in Table 2.
  • the connecting portion 15 in FIG. 4 was a curve.
  • Example 1 the same material as in Example 1 was cut in the same way, and as in Example 1, the presence or absence of chipping of the blade edge, the degree of wear of the blade edge, the object to be cut The state of the cut surface and the presence or absence of oblique cutting were evaluated.
  • Example No. Examples 9 to 24 the samples with the shortest distance X of 1 to 10 ⁇ m and the absolute value of Y1-Y2 of 1 ⁇ m or more and 20 ⁇ m or less (sample No. Examples 9 to 24) were checked for the presence or absence of chipping of the blade edge, wear of the blade edge The degree, the state of the cut surface of the workpiece, and the oblique cutting were all evaluated as “ ⁇ ” or more, and the same result as in Example 1 was obtained.
  • Example 3 Sample No. 1 of Example 1 A flat blade-like cutting blade 1 similar to 1 to 8 was prepared, and a cutting test was performed with the size in the width direction of the workpiece being 0.5 mm.
  • Cutting device fixing portion 5 Base portion 5a: Fixed portion 5b: Connection portion 7: Blade edge portion 9a: Left blade surface 9b: Right blade surface 11: Cutting edge tip 15: Connection portion 21: Center Line 31: Film 100: Object 201: Solution 203: Container 205: Solid X: Shortest distance Y1: Distance Y2: Distance ⁇ : Interior angle

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
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  • Nonmetal Cutting Devices (AREA)
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PCT/JP2013/075902 2012-09-28 2013-09-25 平刃状切断刃およびグリーンシート切断刃 WO2014050884A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020157008933A KR101599201B1 (ko) 2012-09-28 2013-09-25 평날 형상 절단날 및 그린 시트 절단날
CN201380050641.1A CN104684700B (zh) 2012-09-28 2013-09-25 具有平刃状切刀的生片切刀
JP2014538527A JP5766886B2 (ja) 2012-09-28 2013-09-25 平刃状切断刃およびグリーンシート切断刃
PH12015500707A PH12015500707B1 (en) 2012-09-28 2015-03-27 Flat blade-shaped cutting blade and green sheet cutting blade

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Application Number Priority Date Filing Date Title
JP2012216919 2012-09-28
JP2012-216919 2012-09-28

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WO2014050884A1 true WO2014050884A1 (ja) 2014-04-03

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JPWO2022044859A1 (zh) * 2020-08-25 2022-03-03
KR20220156647A (ko) 2020-06-19 2022-11-25 가부시끼가이샤 아라이도 마테리아루 초경합금제 절단날
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JP2020192718A (ja) * 2019-05-28 2020-12-03 三星ダイヤモンド工業株式会社 セラミック成形体の分断方法
WO2021256311A1 (ja) * 2020-06-19 2021-12-23 株式会社アライドマテリアル 超硬合金製切断刃
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KR20150052302A (ko) 2015-05-13
PH12015500707B1 (en) 2015-05-18
TW201433430A (zh) 2014-09-01
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