US20040040365A1 - Flexible die and method of manufacturing the flexibel die - Google Patents

Flexible die and method of manufacturing the flexibel die Download PDF

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Publication number
US20040040365A1
US20040040365A1 US10/451,527 US45152703A US2004040365A1 US 20040040365 A1 US20040040365 A1 US 20040040365A1 US 45152703 A US45152703 A US 45152703A US 2004040365 A1 US2004040365 A1 US 2004040365A1
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United States
Prior art keywords
projection
push
flexible
die
cutting blade
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Abandoned
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US10/451,527
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English (en)
Inventor
Kaoru Misaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsukatani Hamono Manufacturing Co Ltd
Original Assignee
Tsukatani Hamono Manufacturing Co Ltd
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Application filed by Tsukatani Hamono Manufacturing Co Ltd filed Critical Tsukatani Hamono Manufacturing Co Ltd
Assigned to TSUKATANI HAMONO MFG. CO., LTD. reassignment TSUKATANI HAMONO MFG. CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MISAKI, KAORU
Publication of US20040040365A1 publication Critical patent/US20040040365A1/en
Priority to US11/239,162 priority Critical patent/US7284462B2/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
    • B23P15/406—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools rotary or plane die cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4436—Materials or surface treatments therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4472—Cutting edge section features
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53143—Motor or generator
    • Y10T29/53161—Motor or generator including deforming means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53996—Means to assemble or disassemble by deforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool
    • Y10T83/9466—Flexible sleevelike tool

Definitions

  • the present invention relates to a flexible die (sheet-like blade plate) which is used to cut (push-cut) a piece of thin paper, plastic sheet or the like along a given profile line, and a method for its manufacture.
  • a flexographic printing machine In the field of printing machines, a flexographic printing machine has been put to practical use. This type of printing machine is composed of a magnet roll whose surface is laminated with a magnet chip. To perform printing, a flexible printing plate containing a ferromagnetic material (e.g. iron, ferrite, cobalt, nickel) is attached (sucked) on the magnetic roll.
  • a ferromagnetic material e.g. iron, ferrite, cobalt, nickel
  • a face-cut label product as exemplified in FIG. 16 is widely available among the public.
  • a laminated sheet 110 is composed of a backing sheet 101 made of paper, transparent plastic sheet, etc., and a printing sheet 102 laminated thereon via an adhesive. Images are printed on the top surface of the laminated sheet 110 . After the printing, the laminated sheet 110 is cut along profile lines 103 surrounding the printed images, in such a manner that the cutting reaches no further than the printing sheet 102 on the top.
  • a label portion defined by the profile line 103 on the printing sheet 102 is peeled off from the backing sheet 101 , and the label can be affixed onto a notebook, day planner, photo album, slip, file index, etc.
  • Such face-cut label product is made by a combination of printing and cutting technologies.
  • a rotary die cutter 160 is employed to perform the cutting operation in the printing machine.
  • a flexible die (rotary die) 161 is prepared by arranging push-cutting blades 162 in a predetermined pattern on one surface of a flexible base (ferromagnetic material) 164 .
  • the flexible die 161 is attached (sucked) on a die cylinder 166 .
  • a flat die cutter 170 shown in FIG. 19 can be used as well.
  • the flat die cutter 170 is constituted with a top platen 172 for up-down movement and a bottom platen 174 fixed opposite to the top platen 172 .
  • the top platen 172 securely mounts a flexible die (flat die) 171 .
  • the flexible die 171 is composed of a flexible base 176 fixed on the top platen 172 and push-cutting blades 178 projecting in a predetermined pattern from one surface of the flexible base 176 .
  • the top surface of the bottom platen 174 holds a workpiece 179 in opposition to the flexible die 171 .
  • the flat die cutter 170 cuts the workpiece 179 into a desired shape.
  • Flexible dies of these types include a punching die equipped with a continuous push-cutting blade, and a so-called perforating blade in which cutting portions and non-cutting portions are formed alternately along the cutting line.
  • These flexible dies can be made by machining, etching, etc.
  • a flexible die made by etching is generally called etched blade.
  • a photoresist is uniformly laminated onto the surface of a steel or other metal plate.
  • the metal plate surface retains a photoresist pattern exclusively for the push-cutting blade.
  • the metal plate is etched away to a predetermined depth to its back surface. This etching step provides a flexible base and a trapezoid-section projection (rib) which protrudes from the flexible base.
  • the resist pattern is removed at this stage.
  • the trapezoid-section projection 221 has its tip sharpened by a conical tool 4 .
  • a flexible die punching die in which the flexible base 201 is formed with a triangular-section push-cutting blade 202 .
  • the flexible die shown in FIG. 17 has the push-cutting blade 202 with a triangular cross section.
  • this configuration is detrimental to precision machining. Namely, when a thick material is punched, the dimensions of the blank differ significantly between the top (front) and the bottom (back) around the machined area.
  • the triangular configuration may deteriorate the blade durability, because such push-cutting blade is subjected to a heavy pressure during the punching operation.
  • the present invention is made in view of these circumstances, and intends to provide a flexible die which enables precision machining of even a thick material and which imparts excellent durability to the push-cutting blade.
  • the present invention also intends to provide a method for manufacturing this flexible die.
  • a flexible die of the present invention which comprises a flexible base and a push-cutting blade formed in a predetermined pattern on one surface of the flexible base, is characterized in that the push-cutting blade is composed of a vertical projection protruding vertically from the flexible base, and a single cutting edge or a double cutting edge formed by sharpening a tip of the vertical projection.
  • a manufacturing method of the present invention relates to the manufacture of a flexible die which comprises a flexible base and a push-cutting blade formed in a predetermined pattern on one surface of the flexible base.
  • This method is characterized in comprising the steps of: laminating a photoresist uniformly on a surface of a metal plate, and exposing and developing the photoresist layer, thereby to form a resist pattern for the push-cutting blade on the surface of the metal plate; with the use of the resist pattern as a mask, etching the metal plate to a predetermined depth, thereby to form the flexible base and a projection which protrudes from the base; cutting a lateral surface of the projection to shape a vertical projection; and sharpening a tip of the vertical projection to give a single cutting edge or a double cutting edge.
  • Another manufacturing method of the present invention relates to the manufacture of a flexible die which comprises a flexible base and a push-cutting blade formed in a predetermined pattern on one surface of the flexible base.
  • This method is characterized in comprising the steps of: laminating a photoresist uniformly on a surface of a metal plate, and exposing and developing the photoresist layer, thereby to form a resist pattern for the push-cutting blade on the surface of the metal plate; with the use of the resist pattern as a mask, etching the metal plate to a predetermined depth, thereby to form the flexible base and a projection which protrudes from the base; sharpening a tip of the projection to give a single cutting edge or a double cutting edge; and cutting a lateral surface of the sharpened projection to shape a vertical projection.
  • Yet another manufacturing method of the present invention relates to the manufacture of a flexible die which comprises a flexible base and a push-cutting blade formed in a predetermined pattern on one surface of the flexible base.
  • This method is characterized in comprising the steps of: laminating a photoresist uniformly on a surface of a metal plate, and exposing and developing the photoresist layer, thereby to form a resist pattern for the push-cutting blade on the surface of the metal plate; with the use of the resist pattern as a mask, etching the metal plate to a predetermined depth, thereby to form the flexible base and a projection which protrudes from the base; machining a lateral surface of the projection by wire EDM to shape a vertical projection; and sharpening a tip of the vertical projection to give a single cutting edge or a double cutting edge.
  • Still another manufacturing method of the present invention relates to the manufacture of a flexible die which comprises a flexible base and a push-cutting blade formed in a predetermined pattern on one surface of the flexible base.
  • This method is characterized in comprising the steps of: laminating a photoresist uniformly on a surface of a metal plate, and exposing and developing the photoresist layer, thereby to form a resist pattern for the push-cutting blade on the surface of the metal plate; with the use of the resist pattern as a mask, etching the metal plate to a predetermined depth, thereby to form the flexible base and a projection which protrudes from the base; sharpening a tip of the projection to give a single cutting edge or a double cutting edge; and machining a lateral surface of the sharpened projection by wire EDM to shape a vertical projection.
  • the push-cutting blade is provided through a series of steps.
  • the first step is to form, by etching, a flexible base and a projection (trapezoid-section projection) which protrudes from the base.
  • the etching step is followed either by the steps of cutting a lateral surface of the projection to shape a vertical projection and sharpening the tip of the vertical projection to give a single or double cutting edge, or by the steps of sharpening the tip of the projection (trapezoid-section projection) to give a single or double cutting edge and cutting a lateral surface of the sharpened projection to shape a vertical projection.
  • the resulting push-cutting blade has a smaller base width than the one provided in a conventional flexible die (see FIG. 17). Accordingly, the present invention can enhance machining precision in punching a material (even a thick material). Namely, with respect to the machined area, the top (front) dimension and the bottom (back) dimension of the material differs not so significantly as in the conventional example. Moreover, the push-cutting blade is sharpened not entirely, but only at the tip of the vertical projection. This push-cutting blade can press a material with a smaller contact area, which means the push-cutting blade receives less pressure during the punching operation. Eventually, the push-cutting blade can enjoy enhanced durability.
  • a cavity is formed inside the flat die.
  • This structure may prevent interference between the flexible base and the blank and improve the punching precision.
  • the structure may also prevent the blank from jamming.
  • the wire EDM process As compared with the mill machining process, imposes a less mechanical force on the workpiece, and hence does not cause deformation of the blade die. As a result, formation of a single cutting edge can be carried out closer to the tip of the blade. In addition, an angular-shape inner profiling can be accomplished as precisely as the wire diameter, which is impossible by the mill machining process. Furthermore, one of the vertical lateral surfaces can be inwardly tapered with a relative freedom.
  • FIG. 1 is a perspective view showing the essential part of the flexible die according to an embodiment of the present invention.
  • FIG. 2 is a vertical section of the flexible die illustrated in FIG. 1.
  • FIG. 3 and FIG. 4 illustratively describe an example of the method for manufacturing the flexible die illustrated in FIG. 1.
  • FIG. 5 is a vertical section of the essential part of the flexible die according to an alternative embodiment of the present invention.
  • FIG. 6 illustratively describes another example of the method for manufacturing the flexible die illustrated in FIG. 1.
  • FIG. 7 illustratively describes an additional example of the method for manufacturing the flexible die illustrated in FIG. 1.
  • FIG. 8 shows modified examples of the push-cutting blade formed on the flexible die.
  • FIG. 9 is a vertical section of the flexible die according to another embodiment of the present invention.
  • FIG. 10 illustratively describes an example of the method for manufacturing the flexible die illustrated in FIG. 9.
  • FIG. 11 illustratively describes another example of the method for manufacturing the flexible die illustrated in FIG. 9.
  • FIG. 12 is a schematic front view showing the flexible die of FIG. 9, as applied in a flat die cutter.
  • FIG. 13 illustratively describes the operation of the flexible die of FIG. 9, as applied in a flat die cutter.
  • FIG. 14 is a schematic plan view of a photomask used in the manufacturing method shown in FIG. 3.
  • FIG. 13 is a schematic plan view of a resist pattern defined in the manufacturing method shown in FIG. 3.
  • FIG. 16 is a front view of typical labels with a backing sheet.
  • FIG. 17 is a vertical section of the essential part of a conventional flexible die.
  • FIG. 18 is a schematic perspective view of a conventional rotary die cutter.
  • FIG. 19 is a schematic front view of a conventional flat die cutter.
  • FIG. 1 shows, in perspective, the essential structure of a flexible die according to an embodiment of the present invention.
  • FIG. 2 is a vertical section of this embodiment.
  • a flexible die of this embodiment is composed of a flexible base 1 and a push-cutting blade 2 formed on one surface thereof.
  • a vertical projection 2 b protrudes vertically from the flexible base 1 , with the tip being sharpened to give a double cutting edge 2 a.
  • the flexible die shown in FIG. 1 is manufactured in the manner as described below and illustrated in FIG. 3, FIG. 4, FIG. 14 and FIG. 15.
  • these manufacturing steps can provide a push-cutting blade 20 as depicted in FIG. 5.
  • the tip of the vertical projection 2 b is sharpened to give a single cutting edge.
  • the above manufacturing steps are arranged to shape the etched trapezoid-section projection into the vertical projection, before sharpening the blade tip.
  • the present invention can make the push-cutting blade 2 of FIG. 1 and FIG. 2 in other manners, without limitation.
  • the tip of the trapezoid-section projection 21 may be sharpened to give the double cutting edge 2 a by the conical tool 4 , and, thereafter, lateral surfaces (inclined surfaces) of the sharpened projection 211 may be cut by the end mill 3 .
  • the projection formed by etching has a trapezoidal cross section, the tip of which is sharpened later.
  • the present invention can utilize, without limitation, projections of other sectional configurations.
  • a projection 120 of triangular section may be formed by etching and shaped into a trapezoid-section projection 121 , the tip of which is sharpened afterwards.
  • FIG. 9 is a vertical section of this flexible die.
  • a flexible die 90 of this embodiment is composed of a flexible base 1 and a push-cutting blade 2 formed on one surface thereof. Regarding the push-cutting blade 2 , a vertical projection 211 protrudes vertically from the flexible base 1 , with the tip being sharpened to give a double cutting edge 2 a . A cavity 9 is formed on the vertical surface side (i.e. inside) of the vertical projection 211 .
  • the flexible die 90 shown in FIG. 9 is manufactured in the following manner.
  • FIG. 3 It should be understood that the manufacturing steps described in FIG. 3, which concern the method for manufacturing the flexible die of FIG. 1, are similarly applicable to the method mentioned below.
  • the flexible die obtained in FIG. 3(E) is utilized in the manufacturing method illustrated in FIG. 10 or FIG. 11.
  • the tip of the vertical projection 21 is sharpened into a double cutting edge 2 a .
  • a small start hole for wire EDM electric discharge machining
  • this NC data is created in advance in DXF (data exchange file) format, based on original drawing data.
  • the projection 211 is fixed with respect to a wire EDM machine 5 .
  • the inner lateral surface of the projection 211 is machined vertically, according to the NC data.
  • the flexible die (flat die) 90 having a vertical projection 212 is manufactured in this manner.
  • the wire EDM process use of a CCD camera for position detection can realize high precision machining with a positional precision of ⁇ 20 ⁇ m. Compared with the mill machining process, the wire EDM process imposes a less mechanical force on the workpiece, and hence does not cause deformation of the blade die. As a result, formation of a single cutting edge can be carried out closer to the tip of the blade. In addition, an angular-shape inner profiling can be accomplished as precisely as the wire diameter, which is impossible by the mill machining process. In this embodiment, the machined surface can be finished up to 2 ⁇ m Rmax.
  • the above manufacturing steps are arranged to shape the vertical projection by wire EDM, after the tip of the blade is sharpened.
  • the vertical projection may be formed before the sharpening of the blade tip.
  • a vertical projection 213 is shaped first by a wire EDM machine 5 (FIG. 11(A)), just as in the method shown in FIG. 10. Thereafter, the vertical projection 213 has its tip sharpened into a single cutting edge 2 d , so as to be the vertical projection 214 (FIG. 11(B)).
  • FIG. 12 is a schematic front view showing such application.
  • the flat die cutter 130 is constituted with a top platen 32 for up-down movement and a bottom platen 34 fixed opposite to the top platen 32 .
  • One surface of the top platen 32 securely mounts the flexible die (flat die) 90 from which the push-cutting blade 2 projects in a predetermined pattern.
  • the top surface of the bottom platen 34 holds a workpiece 38 in opposition to the flexible die 90 .
  • a cavity 9 is defined inside the flexible die 90 and fitted with a sponge 42 in such a manner that the sponge 42 protrudes from the cutting edge 2 a (FIG. 13(A)).
  • a blank 44 fits inside the flexible die 90 , pushing up the sponge 42 (FIG. 13(B)). Later, in response to the ascent of the top platen 32 , the blank 44 is released from the flexible die 90 , due to the elasticity of the sponge 42 (FIG. 13(C)).
  • the above manufacturing steps can provide, for example, a push-cutting blade with an included angle of 60 degrees and a cutting edge width S of 0.3 mm or 0.4 mm, or a push-cutting blade with an included angle of 50 degrees and a cutting edge width S of 0.3 mm or 0.4 mm.
  • these manufacturing steps can provide a push-cutting blade with an included angle of 45 degrees and a cutting edge width S of 0.4 mm, or a push-cutting blade with an included angle of 40 degrees and a cutting edge width S of 0.4 mm.
  • the configuration is not limited to the ones depicted in FIG. 2 and FIG. 5, and encompasses the configurations embodied in push-cutting blades 52 , 62 (FIGS. 8 (A) and (B)).
  • each example of this manufacturing method is focused on a push-cutting blade with a rectangular cutting line (with four round corners).
  • present invention is applicable, without limitation, to various flexible dies for cutting triangular or circular shapes; animals, cartoon characters and other images; floral patterns; letters and other complex configurations.
  • the present invention is applicable not only to a flexible die (punching die) equipped with a continuous push-cutting blade, but also to a perforating blade in which cutting portions and non-cutting portions are formed alternately along the cutting line.
  • application of the present invention is not limited to face-cutting, but includes punching-out of labels and the like.
  • the flexible die of the present invention is equipped with a push-cutting blade which has a smaller base width than the one provided in a conventional flexible die. Accordingly, the present invention can enhance machining precision in punching a material (even a thick material). Namely, with respect to the machined area, it is possible to reduce the difference between the top (front) dimension and the bottom (back) dimension of the material. Besides, since the blade is sharpened only at the tip of the vertical projection, the push-cutting blade receives less pressure during the punching operation. As a consequence, the flexible die of the present invention can improve the durability of the push-cutting blade and extend its service period, thereby enhancing the productivity. At the same time, it is possible to reduce the production cost, showing an economic advantage as well.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US10/451,527 2000-12-28 2001-12-14 Flexible die and method of manufacturing the flexibel die Abandoned US20040040365A1 (en)

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US11/239,162 US7284462B2 (en) 2000-12-28 2005-09-30 Flexible die and method for its manufacture

Applications Claiming Priority (3)

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JP2000400012 2000-12-28
JP2000-400012 2000-12-28
PCT/JP2001/011011 WO2002053332A1 (fr) 2000-12-28 2001-12-14 Matrice flexible et son procede de fabrication

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US11/239,162 Expired - Fee Related US7284462B2 (en) 2000-12-28 2005-09-30 Flexible die and method for its manufacture

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US (2) US20040040365A1 (ja)
EP (1) EP1366872B1 (ja)
JP (1) JP4113432B2 (ja)
KR (1) KR100607906B1 (ja)
CN (1) CN1264660C (ja)
AU (1) AU2002222650B2 (ja)
CA (1) CA2433262C (ja)
DE (1) DE60140315D1 (ja)
MX (1) MXPA03005952A (ja)
MY (1) MY136140A (ja)
TW (1) TW524736B (ja)
WO (1) WO2002053332A1 (ja)

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TW201102240A (en) * 2009-07-07 2011-01-16 Lai-Ju Cai Method for directly forming knife mold through one-time etching and knife mold formed by such a method
CN102009421A (zh) * 2010-07-12 2011-04-13 吴江市变压器厂有限公司 一种制作换位纸板的冲模装置
KR101410916B1 (ko) * 2012-12-11 2014-06-24 부산대학교 산학협력단 양각 금형 가공 방법
DE102014119581A1 (de) * 2014-12-23 2016-06-23 Wink Stanzwerkzeuge Gmbh & Co. Kg Verfahren zur Herstellung von Stahlblechen für Stanzbleche
DE102016004657B4 (de) * 2016-04-16 2018-05-09 J.G. WEISSER SöHNE GMBH & CO. KG Verfahren zum Einrichten einer Drehbearbeitungsmaschine und Drehbearbeitungsmaschine
CN107745226A (zh) * 2017-09-01 2018-03-02 广东长盈精密技术有限公司 电子产品部件及其制作方法
KR102088370B1 (ko) * 2017-12-19 2020-03-13 (주)파인테크 플렉시블 인쇄회로기판용 커버레이 필름의 칩 제거 장치
US20200130220A1 (en) * 2018-10-31 2020-04-30 Stolle Machinery Company, Llc Score die, score die forming system, and associated method
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US20060027044A1 (en) 2006-02-09
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JP4113432B2 (ja) 2008-07-09
US7284462B2 (en) 2007-10-23
CN1406171A (zh) 2003-03-26
CA2433262C (en) 2007-03-27
EP1366872A1 (en) 2003-12-03
MXPA03005952A (es) 2004-10-15
EP1366872A4 (en) 2008-06-18
JPWO2002053332A1 (ja) 2004-04-30
TW524736B (en) 2003-03-21
WO2002053332A1 (fr) 2002-07-11
AU2002222650B2 (en) 2006-10-12
KR100607906B1 (ko) 2006-08-03
EP1366872B1 (en) 2009-10-28
CN1264660C (zh) 2006-07-19
CA2433262A1 (en) 2002-07-11
KR20020081270A (ko) 2002-10-26

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