WO2023176818A1 - 超硬合金製切断刃 - Google Patents

超硬合金製切断刃 Download PDF

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Publication number
WO2023176818A1
WO2023176818A1 PCT/JP2023/009814 JP2023009814W WO2023176818A1 WO 2023176818 A1 WO2023176818 A1 WO 2023176818A1 JP 2023009814 W JP2023009814 W JP 2023009814W WO 2023176818 A1 WO2023176818 A1 WO 2023176818A1
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Prior art keywords
cutting
blade
cemented carbide
cutting edge
cutting blade
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PCT/JP2023/009814
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English (en)
French (fr)
Japanese (ja)
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WO2023176818A9 (ja
Inventor
篤史 小林
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ALMT Corp
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ALMT Corp
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Priority to CN202380025008.0A priority Critical patent/CN118871266A/zh
Priority to JP2023559060A priority patent/JP7544990B2/ja
Priority to KR1020247021227A priority patent/KR20240113816A/ko
Publication of WO2023176818A1 publication Critical patent/WO2023176818A1/ja
Publication of WO2023176818A9 publication Critical patent/WO2023176818A9/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
    • 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
    • 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
    • B26D1/01—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 involving a cutting member which does not travel with the work
    • B26D1/04—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • 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
    • B26D1/01—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 involving a cutting member which does not travel with the work
    • B26D1/04—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • 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
    • B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
    • 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
    • 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
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

Definitions

  • the present disclosure relates to a cutting blade made of cemented carbide.
  • This application claims priority based on Japanese Patent Application No. 2022-043429, which is a Japanese patent application filed on March 18, 2022. All contents described in the Japanese patent application are incorporated herein by reference.
  • the cemented carbide cutting blade includes a base, and a blade part that is provided on an extension of the base and has a cutting edge that is the cutting edge, and the recess depth of the Co part that constitutes the left and right blade surfaces forming the cutting edge.
  • the present invention relates to a cutting blade made of cemented carbide having a diameter of 0.008 ⁇ m or more and 0.3 ⁇ m or less.
  • FIG. 1 is a front view of a cutting blade 1 made of cemented carbide.
  • FIG. 2 is a perspective view of the cutting blade 1 made of cemented carbide.
  • FIG. 3 is a perspective view of the two-stage cemented carbide cutting blade 1.
  • FIG. 4 is a photograph showing the surfaces of the blade surfaces 201 and 202.
  • FIG. 5 shows a formula for determining kurtosis Sku.
  • FIG. 6 is a front view of the cemented carbide cutting blade 1 shown for explaining the cutting method.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 10-217181 discloses a flat cutting blade for cutting thin plate-like workpieces such as ceramic green sheets, which secures a narrow cutting edge angle that enables high-precision cutting.
  • the present invention discloses a flat cutting blade that has high buckling strength.
  • a solution to this problem is to form the cutting edge with a flat or concave curved surface that is symmetrical with respect to the center line Y, and to connect the cutting edge and the base with one or more reinforcing parts of the symmetrical concave curved surface. It is proposed to shorten the distance of the cutting section to ensure high-precision cutting while increasing buckling strength.
  • Patent Document 2 International Publication No. 2014-050884 discloses a base on a flat plate, left and right blade surfaces that are inclined to approach each other from both sides of the base, and a convex curved surface formed to connect the left and right blade surfaces.
  • the short distance between the intersection of two straight lines along the left and right blade surfaces and the tip of the cutting edge is 1 ⁇ m or more and 10 ⁇ m or less, and the tip
  • the length of the portion is different on the left and right sides with respect to the center line of the base, and the difference is 1 ⁇ m or more and 20 ⁇ m or less, and further, the internal angle of the intersection angle of the two straight lines along the left and right blade surfaces is 4 ⁇ m.
  • Patent Document 3 Japanese Unexamined Patent Publication No. 2004-174464 discloses that grinding grooves can be easily formed using a cup-shaped grindstone.
  • a grinding groove extending in the short side direction is formed on the blade surface, and the blade surface is composed of a plurality of stepped surfaces divided in the short side direction, and the stepped surface on the cutting edge side has a larger angle.
  • a cutting blade characterized by:
  • a dicing method As methods for cutting green sheets, there are a method of cutting with a rotating round blade called a dicing method, and a push cutting method using a flat cutting blade as disclosed in the present disclosure.
  • the former method has disadvantages such as poor material yield due to a large amount of cutting waste and poor cutting speed, so the push-cutting method is useful for small-sized products.
  • FIG. 1 is a front view of a cemented carbide cutting blade 1.
  • FIG. 2 is a perspective view of the cutting blade 1 made of cemented carbide.
  • FIG. 3 is a perspective view of the two-stage cemented carbide cutting blade 1.
  • a cutting blade 1 made of cemented carbide includes a cutting edge part 2 that performs cutting, a connecting part 3 connected to the cutting edge part 2, and a cutting blade fixing part 5 connected to the connecting part 3. It has a base 4 fixed by.
  • the object to be cut 100 can be cut by pressing the cutting edge portion 2 against the object to be cut 100.
  • a cutting blade 1 made of cemented carbide as a flat cutting blade extends in the x direction orthogonal to the y and z directions in FIG.
  • Blade surfaces 201 and 202 are provided on both sides of the cutting edge portion 2.
  • the blade surfaces 203 and 204 are provided, resulting in a two-stage blade.
  • Each blade surface 201 to 204 may have a linear shape or a curved shape.
  • the ridgeline where the blade surface 201 and the blade surface 202 intersect is the blade edge 210.
  • the cemented carbide cutting blade 1 includes a connecting portion 3 as a base, and a cutting edge portion 2 as a blade portion that is provided on an extension of the connecting portion 3 and has a cutting edge 210 as the most distal end.
  • the recess depth of the Co part constituting the left and right blade surfaces 201 and 202 forming the cutting edge is 0.008 ⁇ m or more and 0.3 ⁇ m or less.
  • the cemented carbide cutting blade 1 configured in this way, since the Co portion constituting the blade surface is recessed, the contact area between the object to be cut and the blade surface is reduced, thereby reducing cutting resistance. can. It is possible to prevent adhesive components from adhering to the recessed areas. As a result, cutting performance can be improved. If the depth of the recess in the Co portion is less than 0.008 ⁇ m, the effect of the recess is not sufficient. If the depth of the recess in the Co portion exceeds 0.3 ⁇ m, the surface of the blade surface becomes rough, resulting in a rough cut surface.
  • the ratio of the area of the Co depression on the left and right blade surfaces forming the cutting edge is 6% or more and 30% or less.
  • the depth of the Co depression on the left and right blade surfaces forming the cutting edge is 0.010 ⁇ m or more and 0.3 ⁇ m or less.
  • the kurtosis (Sku), which is a parameter of the surface roughness of the left and right blade surfaces forming the cutting edge, is Sku>3.
  • the cobalt content in the cemented carbide is in the range of 3% by mass or more and 25% by mass or less.
  • the hardness of the cemented carbide is a Vickers hardness Hv of 1300 or more and 2030 or less.
  • Such thin blades are made of hard materials such as carbon tool steel, stainless steel, and cemented carbide.
  • machining is not easy, and the reasons for this are that, although the material is hard, although it has rigidity, it is difficult to cut, has low toughness and is easily chipped, and if the blade is thin, it is made of hard material. Particularly at the tip of the cutting edge, the blade tends to escape due to the pressure of the grindstone during machining.
  • the present inventor attempted to reduce the contact area on which the cutting edge acts by making the WC convex by making the Co constituting the blade surface into a concave shape from the viewpoint of tribology. It has been confirmed that this reduces the cutting resistance and also reduces the phenomenon in which the glue that adheres to the blade surface when cutting the MLCC green sheet is transferred to the cut surface and the green sheet is reattached. This provides the following effects.
  • the green sheet elastically recovers, and the width of the green sheet is restored to be larger than the set cutting width.
  • the glue adhering to the first blade surface comes into contact with the cut surface of the green sheet, causing re-adhesion.
  • the amount of glue adhering to the workpiece can be suppressed by forcibly removing the Co part on the blade surface and increasing the area of the recessed part to serve as a glue reservoir. Therefore, reattachment (sticking together again) of the cut workpieces can be suppressed.
  • FIG. 4 is a photograph showing the surfaces of the blade surfaces 201 and 202.
  • the black part is tungsten carbide 21, and the white part is cobalt 22.
  • the cobalt 22 in a concave shape, it is possible to prevent the cut workpiece from adhering to the cobalt 22 again.
  • the blade surface according to the present disclosure has a step difference between the WC and Co that is 0.008 ⁇ m or more and 0.3 ⁇ m or less, and the kurtosis (histogram sharpness (Sku)) of the roughness curve on the front and back surfaces of the blade surface is more than 3. It is preferable.
  • FIG. 5 shows a formula for determining kurtosis Sku.
  • Kurtosis is determined according to JIS B0681-2 (2016) and is shown by the formula in FIG. 5. It refers to the kurtosis of the surface and is an index that expresses the sharpness of the height distribution.
  • SKu 3
  • Sku 3
  • the number of sharp, sharp protrusions or depressions increases with respect to the reference height Sq (root mean square height)
  • Sku becomes smaller than 3
  • the number of steep, sharp protrusions increases. (or represents a decrease in the number of recesses).
  • the Sku of the blade surface exceeds 3, the contact area when cutting the green sheet becomes smaller and the cutting resistance becomes smaller.
  • the material used for the cutting blade is a cemented carbide whose main components are tungsten carbide and cobalt, and the size of the tungsten carbide crystal grains in the alloy is an average grain size of 0.1 ⁇ m or more and 4 ⁇ m or less, more preferably 2 ⁇ m or less.
  • the average grain size is determined by measuring the surface of the cemented carbide in an SEM photograph at a magnification of 10,000 times, selecting 100 arbitrary crystals, and using the formula (major axis + minor axis)/2 for each crystal. The particle size was calculated based on , and the average value of 100 particle sizes was determined.
  • TaC tantalum carbide
  • V 8 C 7 vanadium carbide
  • Cr 3 C 2 chromium carbide
  • the amount of each added is 0.1% by mass or more and 2% by mass.
  • Cobalt used in the cemented carbide ranges from 3% by mass to 25% by mass, preferably from 5% by mass to 20% by mass.
  • TaC, V 8 C 7 and Cr 3 C 2 are obtained by dissolving these components from cemented carbide using nitric acid or hydrofluoric acid, and then converting the resulting liquid into a liquid using an ICP emission spectrometer (Issuance spectroscopy). can be measured. After Co is dissolved from a cemented carbide using nitric acid or hydrofluoric acid, the mass of the solution whose liquid properties are adjusted can be measured using a potentiometric titration device (potentiometric titration method).
  • the hardness of the cemented carbide preferably has a Vickers hardness Hv of 1300 or more and 2030 or less. Thickness
  • the base material thickness T of the cemented carbide cutting blade is preferably 0.1 mm or more and 0.6 mm or less. By setting it within this range, it can be used as a cutting blade (compatible with a cutting machine) for laminated ceramic green sheets.
  • the cutter with a thickness of 0.1 mm is used for the thinnest chips of ceramic capacitors, and can reduce the grinding allowance and reduce the grinding resistance when producing sharp edges such as a 20° cutting edge angle by grinding, resulting in high precision. You can make a cutting edge.
  • cutters with a base material thickness of 0.4 to 0.6 mm are suitable for cutting thick chips with a thickness of 1 mm or more because the rigidity (bending of the root of the cutting edge) can be improved by increasing the thickness of the cutter itself. There is. Another advantage is that the rigidity of the base of the blade is increased, making diagonal cuts less likely to occur.
  • the thickness of a carbide cutting blade can be measured using a micrometer or a laser measuring device.
  • the relationship between the length L (mm) and the height W (mm) (FIG. 2) of the cemented carbide cutting blade is preferably 1 ⁇ L/W ⁇ 20.
  • the cutting edge angle ⁇ is 6° ⁇ 30° or less.
  • the smaller the cutting edge angle the smaller the cutting resistance and the less likely diagonal cutting will occur. In other words, the volume that penetrates into the workpiece becomes smaller.
  • a single-stage blade may be used, but since the width dimension forming the blade surface becomes large, there are problems such as the blade tip being prone to collapse due to grinding resistance and making it difficult to process the blade edge into a highly accurate shape. It is known that chipping during cutting is extremely likely to occur when ⁇ 20°.
  • the tip blade was formed using cemented carbide FM10K material manufactured by Allied Materials Co., Ltd.
  • the flat cutting blade used in the test has a blade length direction L: 40 mm, a base thickness T: 0.1 mm, and a blade height W: 25.0 mm.
  • the cutting edge angle ⁇ of the cutting edge part 2 as the cutting part is 20° ⁇ 5'
  • the first stage blade width is 0.1 mm
  • the second stage blade angle (the extended plane of the second stage blade surface intersects angle) was set to 4° ⁇ 10'.
  • a surface grinder was used, and a diamond cylindrical grindstone was used to true the side of the grindstone, and the material was fixed on a special work rest with an adjustable angle.
  • cemented carbide cutting blades 1 of sample numbers 1 to 55 shown in Tables 1 to 3 were manufactured.
  • the method for removing Co from the blade surfaces 201 and 202 that form the tip angle was to create a chemical solution in which nitric acid (HNO 3 ) was diluted with 5 times as much water as CONC1 (concentrated nitric acid was diluted with 4 to 5 times as much water).
  • the cemented carbide cutting blade 1 is set in a jig that can immerse the cutting edge in nitric acid to a depth of 0.2 mm, and the cutting blade is immersed in the chemical solution for 10 seconds to 50 minutes.
  • the depth of the Co depression was controlled by time management.
  • ⁇ Measurement of step difference between WC and Co> The average distance of the convex portions or concave portions, the average height of the convex portions, or the average depth of the concave portions were measured on the surface having the WC convex portions or the Co concave portions using an atomic force microscope (AFM: Dimension Icon) manufactured by Bruker. The maximum sample size that can be measured with this AFM is ⁇ 210, so it can be observed without destroying the cutting blade. The measurement conditions were a scan area of 5 ⁇ m ⁇ 5 ⁇ m.
  • the scanning speed of the cantilever was measured at 0.1 to 80 Hz, and the height of the WC convex portion and the maximum depth of the Co concave portion were determined from the 3D profile regarding the height of each point. This was measured at three locations each on the front and back blade surfaces randomly selected from the surface of the blade surface formed above, and the maximum height difference between WC and Co was determined.
  • the Sku kurtosis of the blade surface was measured using a non-contact three-dimensional roughness measuring device (Nexview (registered trademark)) manufactured by Zygo Corporation, and the measurement range in the longitudinal section was 140 ⁇ m in the X direction and 30 ⁇ m in the Z direction. shall be.
  • the measurement field of view was set to have an objective lens magnification of 50 times and a ZOOM magnification of 1 time.
  • ⁇ Measurement of blade edge width> To measure the edge line width of the cutting edge, use a Schottky field emission scanning electron microscope JSM-7900F manufactured by JEOL Ltd. to take an image from a direction perpendicular to the edge of the cutting edge at 5,000 to 10,000 times magnification, and measure the machine coordinates and length measurement function. A cutter with a cutting edge edge of 0.5 ⁇ m or less was used as the test blade.
  • Chipping of the cutting blade was measured using a tool measuring microscope STM-UM manufactured by Olympus Corporation at a magnification of 500 times. In all samples, it was confirmed that the chip depth was within 1.5 ⁇ m and the chip width was within 10 ⁇ m.
  • an object to be cut (work) 100 is cut with a cutting blade 1 made of cemented carbide.
  • An acrylic base 102 is placed on the cutting dynamometer 103.
  • a thermally releasable adhesive sheet 101 is interposed between the base and the object 100 to be cut.
  • the object to be cut 100 is cut by moving the object to be cut 100 in the direction shown by the arrow 110 while reciprocating the cutting blade 1 made of cemented carbide in the direction shown by the arrow 111.
  • a 1 mm foamed double-sided adhesive sheet and a workpiece (the above-mentioned PVC board) having a thickness of 0.5 mm ⁇ 0.1 (these constitute the object to be cut 100) are used, and the cutter installation accuracy is set at the workpiece in the longitudinal direction and the blade angle ⁇ 0. 5°, and the cross-sectional angle between the workpiece and the blade was 90° ⁇ 0.5°.
  • the cutting conditions were a cutting speed of 300 mm/s, a cutting interval of 1 mm, and an indentation depth of 0.1 mm into the adhesive layer of the thermally releasable sheet.
  • Tables 1 to 3 The results obtained by repeating this result for each condition are shown in Tables 1 to 3.
  • the "cutting resistance” in Tables 1 to 3 is the average cutting resistance measured by the cutting dynamometer 103, and was defined as 160N or less: A, more than 160N and 169N or less: B, and more than 169N: C.
  • "Reattachment” indicates the percentage of the number of reattachments to the cemented carbide cutting blade 1 at 1000 cutting locations, 0.5% or less: A, more than 0.5% and 2.0% or less: B, 2 More than .0%: Rated C.
  • the area ratio of recessed Co to smooth WC grains is preferably 6% to 30%. If the area ratio of Co recesses exceeds 30%, the strength of the cutting edge will be extremely reduced, leading to chipping. On the other hand, if the area of the Co recess is less than 6%, the contact area increases, cutting resistance increases, and sharpness decreases. A more preferable range is 10% to 22%. The most preferable range is 10% to 15%.
  • the depth of the recess in the Co portion needs to be 0.008 ⁇ m or more and 0.3 ⁇ m or less. If the depth of the concave portion of the step Co between WC and Co is smaller than 0.008 ⁇ m, it will become a worn surface and the contact area with the workpiece will increase, resulting in high cutting resistance. On the other hand, if the step is larger than 0.3 ⁇ m, chipping will be induced at the cutting edge.
  • a more preferable range is 0.010 ⁇ m or more and 0.3 ⁇ m or less. Moreover, the most preferable range is 0.010 ⁇ m or more and 0.1 ⁇ m or less.
  • the step difference between WC and Co is 0.008 ⁇ m to 0.3 ⁇ m.
  • Sku the sharpness of the histogram exceeds 3

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
PCT/JP2023/009814 2022-03-18 2023-03-14 超硬合金製切断刃 Ceased WO2023176818A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202380025008.0A CN118871266A (zh) 2022-03-18 2023-03-14 硬质合金制切刀
JP2023559060A JP7544990B2 (ja) 2022-03-18 2023-03-14 超硬合金製切断刃
KR1020247021227A KR20240113816A (ko) 2022-03-18 2023-03-14 초경합금제 절단날

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JP2022-043429 2022-03-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025182221A1 (ja) * 2024-02-27 2025-09-04 株式会社アライドマテリアル 平刃状切断刃

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JPS61141386A (ja) * 1984-12-14 1986-06-28 松下電工株式会社 刃物
JP2004292278A (ja) * 2003-03-28 2004-10-21 Kawaguchiko Seimitsu Co Ltd ガラスカッターホイール、及びその製造方法と、それを備えた自動ガラススクライバー、並びにガラス切り、及びそれを用いて切断したガラス、及びそのガラスを用いた電子機器装置
WO2017169303A1 (ja) * 2016-03-31 2017-10-05 株式会社不二製作所 機械加工工具の刃先部構造及びその表面処理方法
WO2021256282A1 (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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JP2993899B2 (ja) 1997-02-05 1999-12-27 ユーエイチティー株式会社 切断刃とその成形方法
JP4259044B2 (ja) 2002-06-14 2009-04-30 株式会社村田製作所 切断刃及びその刃面加工方法
FR2995237B1 (fr) 2012-09-07 2015-05-01 Airbus Operations Sas Systeme ameliore de soudage par friction malaxage comprenant un contre-appui mobile.

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JPS61141386A (ja) * 1984-12-14 1986-06-28 松下電工株式会社 刃物
JP2004292278A (ja) * 2003-03-28 2004-10-21 Kawaguchiko Seimitsu Co Ltd ガラスカッターホイール、及びその製造方法と、それを備えた自動ガラススクライバー、並びにガラス切り、及びそれを用いて切断したガラス、及びそのガラスを用いた電子機器装置
WO2017169303A1 (ja) * 2016-03-31 2017-10-05 株式会社不二製作所 機械加工工具の刃先部構造及びその表面処理方法
WO2021256282A1 (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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WO2025182221A1 (ja) * 2024-02-27 2025-09-04 株式会社アライドマテリアル 平刃状切断刃

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