EP2140954A1 - Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau - Google Patents
Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau Download PDFInfo
- Publication number
- EP2140954A1 EP2140954A1 EP20080012011 EP08012011A EP2140954A1 EP 2140954 A1 EP2140954 A1 EP 2140954A1 EP 20080012011 EP20080012011 EP 20080012011 EP 08012011 A EP08012011 A EP 08012011A EP 2140954 A1 EP2140954 A1 EP 2140954A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- strip
- fine
- die insert
- punch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
-
- 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
- Y10T83/04—Processes
- Y10T83/0448—With subsequent handling [i.e., of product]
- Y10T83/0467—By separating products from each other
-
- 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
- Y10T83/04—Processes
- Y10T83/0524—Plural cutting steps
- Y10T83/0529—Blanking and cutting
-
- 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
- Y10T83/04—Processes
- Y10T83/06—Blanking
-
- 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
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2079—Remaining or re-inserted product portion from base material
Definitions
- the invention relates to a method for producing fine blanked parts from a strip of material in a fine blanking tool, in which a strip of material between two tool parts or between an upper press or guide plate and a lower cutting plate and an upper and lower cutting punch is clamped and cutting in cooperation with the upper and lower cutting punch takes place, wherein the fine cutting parts are removed from the tool interior of the tool in the direction of the strip of material.
- the invention further relates to a device for producing fine blanking parts from a material strip, with at least one cutting plate and a cutting punch for cutting the fine blanking part from a strip of material.
- From the DE 10 2004 032 826 A1 is a method for producing stamped parts in a tool, in particular fine blanking tool, by means of at least one stamp, with which the stamped part is pushed out of a strip of material known.
- the punched part is pushed from the material strip of this after being pressed out to a discharge.
- the punch cooperates with a counter-holder in an insert when pressing out the stamped part, wherein the counter-holder the stamped part is lifted when opening the tool to the surface of the insert and the strip of material from the insert.
- the strip of material is lifted by the cutting plate at a defined distance which corresponds at least to the thickness of the stamped parts.
- the present invention seeks to improve a method and apparatus for producing fineblanked parts such that a vertical relative movement between strip of material and fineblanking part is completely avoided, reduces the necessary opening and closing path of the device and a simple structure the device is a use on high-speed presses possible, the fineblanking parts suffer no damage to the functional surfaces.
- the solution according to the invention is characterized in that the cutting is carried out as an unfinished complete cut along the circumference of the fine blanking part with a special shaped cutting edge of cutting punch and / or insert such that the fine blanking part at partial connecting parts on the material strip at about its upper or lower level remains bonded cohesively in an altitude relative to the material strip and is moved together with the strip of material in the direction of the strip to a subsequent demolding, in which the partial connecting parts are separated from the strip of material shear forces without pushing back from each other.
- the fine blanking part is cut to about 80 to 90% of its circumference completely from the strip of material.
- the fineblanking part is held on the material strip by at least one, in particular two or more, connecting part (s). These connection parts are to be arranged so that they do not come to lie in the area of the important functional surfaces of the fineblanking part during later breaking.
- connection points between the material strip and the fineblanking part are produced by the special shaping at the cutting edges of cutting punches and / or cutting plates in conjunction with the kinematics of the fineblanking press used, which are independent of the Thick variations of the material strip always moves in the same vertical position of the two decisive cutting edges.
- At least one die insert is used interchangeable and associated with a die insert opposite cutting punch with partially shaped chamfers along their cutting edges.
- the die insert is kept evenly biased along its circumference in the receptacle and projects beyond the base plate of the insert such that the die insert punctures the strip of material when closing the device on the punch, i. predetermined locations, can clamp without the base plate can engage.
- the ready-held enemy cutting oil not only distributes the areal pressure unintentionally and then is no longer available to a sufficient extent when cutting.
- the concentration of the fine cutting specific clamping forces on the die inserts continues to have the Advantage that the production of smooth cut surfaces on fineblanking part is supported.
- the demoulding process by breaking the connecting parts between the fineblank part and the material strip in the demoulding stage must ensure that no vertical shear forces are transmitted to the narrow connecting parts.
- the fine cutting part separated from the strip of material is removed vertically downwards to the running direction of the material strip by a drop stem in the cutting plate.
- the device of the invention is simple and compact and has the great advantage that the required way to open and close the upper and lower part is significantly reduced. This is achieved in that in a receiving space of the cutting plate is arranged under uniform bias force-locking die insert is assigned, which is associated with the cutting punch, the cutting edges of Matrizentownes and / or the cutting punch provided with a special shape for incomplete cutting of Feinschneidteils from the strip of material are such that the fine cutting part and the material strip are materially interconnected by at least one partial connecting portion after cutting, and that in the cutting plate a chute for discharging the separated by a shear force removal from the strip of material fine cutting parts is provided vertically down to the direction of the strip of material ,
- the special shaping of the cutting edges of die insert and / or punch consists of a partially shaped chamfer, which can vary in length and / width and / or inclination and interrupts the cutting edge of Matrizenmony and / or cutting punch accordingly, so that the fine cutting part of the strip of material not is completely cut and remains firmly bonded to partial connecting parts on the material strip approximately at its upper or lower level in an altitude relative to the material strip.
- the space required for the transport of the composite of strips of material and fine blanking space within the interior of the device is achieved in that the die insert relative to the cutting plate has a height offset, which is dimensioned so that the required space for the material thickness downwardly protruding, however is still ensured on the strip of material fineblanking parts, so that the fineblanking parts can not be pushed back in the vertical direction or otherwise moved.
- the opposite to the cutting plate protruding die inserts allow the clamping of the material strip and a concentration of fine cutting specific clamping forces around the cutting geometry around, which provides the advantage that the quality of the parting surfaces on fineblanking can be improved.
- the die insert is interchangeable and can also be used several times after regrinding.
- the one by the Regrind resulting height or material loss on Matrizenreheat can be compensated by placed in the receiving space under the die insert documents of different thickness very easily, allows flexible and cost-effective spare parts inventory with a high material utilization of Matrizenein algorithms.
- Another advantage is that the lubricant stored on the inlet side in lubricant pockets remains in the pockets when the material strip is clamped because only a punctiform clamping of the material strip occurs around the cutting geometry and the previously common planar clamping of the material strip between upper and lower and lower part of the device is eliminated.
- the inventive method and the device according to the invention are characterized by small opening and closing paths, so that high cycle rates and high output performance can be achieved, whereby the use of high-speed presses is made possible.
- Fig. 1a to 1d a simplified schematic representation of the sequence of the method according to the invention.
- Fig. 2 a sectional view of the design of the connecting portion between fine blank and material strips on the one hand and the design of die insert and cutting punch on the other hand and
- fine blanking parts 1 are to be produced from a strip of material 2.
- the Fig. 1a shows the device according to the invention with inserted strips of material 2 in the open state of the upper tool part 3 and lower tool part 4.
- the lower tool part 4 includes a cutting plate 5, which has a receiving space 6 for receiving a die insert 7.
- the Matrizenrus 7 is in the Fig. 1a shown as a simple tubular insert, but may also have other more complicated shapes. At its periphery of the die insert 7 is held for example by a screw, not shown in the cutting plate 5 under uniform bias, so that the forces occurring during cutting can be safely absorbed by die insert 7. The Matrizenrus 7 is thus removed from the receiving space 6 of the cutting plate 5 and can be reground accordingly if necessary.
- the height loss of the die insert 7 compensated as a result of regrinding. It documents 8 are kept at different thicknesses, so that depending on the size of the regrinding different height losses can be compensated and the die insert 7 reaches the original height again.
- the die insert 7 has a height offset H, so that the die insert 7 is significantly above the level of the cutting plate 5.
- This height offset H is dimensioned such that it corresponds approximately to the material thickness of the material strip 2.
- the upper tool part 3 and lower tool part 4 of the device according to the invention are opened so far that the imported material strip with the tailed fine cutting part 1 has sufficient space in the direction R of the material strip 2.
- a chute 9 for discharging the fine cutting parts 1 is arranged approximately vertically downwards to the direction R of the material strip 2.
- the die insert 7 is a punch 11 in the upper tool part 3 for cutting the fine blanking part 1 from the strip of material 2 and the chute 9 associated with an ejector 12.
- the upper tool part 3 includes a press or guide plate 10 in which at least one cutting punch 11 and at least one ejector 12 are guided.
- Fig. 1b shows the closed upper tool part 3 and lower tool part 4 with between die insert 7 and
- the clamping plate is clamped around the cutting geometry, so that the fine cutting specific clamping forces are concentrated on a narrow range. This supports the production of smooth-cut separating surfaces on the fineblanking part 1.
- lubrication pockets arranged in the cutting plate can be dispensed with and the lubricant supply on the material strip is available exclusively for the fineblanking process.
- Fig. 1c shows the step of the method according to the invention, in which the cutting punch 5 has performed an incomplete complete cut in the strip of material 2 and the fine part cutting part 1 is cut to about 80 to 90% of its circumference.
- Fig. 2 Reference is made, in which the fine blanking part 1 remains connected to, for example, a narrow connecting portion 14 with the material strip 2 cohesively after the cut.
- the incomplete complete cut is achieved by a corresponding preparation of the cutting edges 15 of die insert 7 and / or cutting punch 11 in conjunction with the kinematics of the fine blanking press used, which always moves independently of the thickness variations of the strip of material in the same vertical position of the cutting edges of die insert 7 and cutting punch 11 , reached.
- the cutting edge 15 of the die insert 7 can be broken, for example, along its edge profile by one or more chamfers 16.
- the width and / or length and / or inclination of these bevels vary. This is aimed according to the size, geometry and after their distribution on the die insert 7 and / or cutting punch 11 as well as the thickness and quality of the material strip and the allowable shape tolerances radially and axially at the attachment points of the fine blanking part 1, which by the dimensions h and i on Matrizenerin 7 and the dimensions l and k is illustrated on the cutting punch. This also applies to the Einschertiefe T of the cutting punch 11 in the die insert. 7
- the ejector 12 of the demolding stage has separated the connecting parts 14 between the fineblank 1 and strips of material 2 shearing force and fineblanking part 1 is discharged through the chute 9 perpendicular to the direction R of the strip of material 2 down.
- the connecting parts 14 are broken by the ejector 12 largely free of damage.
- the connecting parts 14 are distributed on the circumference of the fine blanking part 1 that they are not located on the functional surfaces of the fine blanking part.
- the strip of material 1 forms after the cutting operation with the tailed fine cutting part 1 a composite that can be transported without any relative movement in the vertical direction with the device according to the invention open in the direction R to Entformungscut, because by the relative to the die insert 7 deeper placed cutting plate 5 sufficient Place of about the thickness of the material strip 2 down protruding fine cutting parts 1 is present.
- This is associated with the very great advantage that the necessary opening path at the device according to the invention can be kept so small that the cycle numbers can be massively increased. This allows the use of high speed presses.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080012011 EP2140954B1 (fr) | 2008-07-03 | 2008-07-03 | Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau |
AT08012011T ATE524251T1 (de) | 2008-07-03 | 2008-07-03 | Verfahren und vorrichtung zum herstellen von feinschneidteilen aus einem materialstreifen |
PCT/EP2009/004364 WO2010000389A1 (fr) | 2008-07-03 | 2009-06-17 | Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau |
JP2011515166A JP5698125B2 (ja) | 2008-07-03 | 2009-06-17 | 帯状材料から精密打ち抜き部品を製作する方法と装置 |
AT09772089T ATE544541T1 (de) | 2008-07-03 | 2009-06-17 | Verfahren und vorrichtung zum herstellen von feinschneidteilen aus einem materialstreifen |
EP20090772089 EP2303488B1 (fr) | 2008-07-03 | 2009-06-17 | Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau |
US12/977,733 US8910549B2 (en) | 2008-07-03 | 2010-12-23 | Method and device for producing precision blankings from a material strip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080012011 EP2140954B1 (fr) | 2008-07-03 | 2008-07-03 | Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2140954A1 true EP2140954A1 (fr) | 2010-01-06 |
EP2140954B1 EP2140954B1 (fr) | 2011-09-14 |
Family
ID=39884537
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080012011 Not-in-force EP2140954B1 (fr) | 2008-07-03 | 2008-07-03 | Procédé et dispositif de fabrication de parties coupantes fines d'une bande de matériau |
EP20090772089 Active EP2303488B1 (fr) | 2008-07-03 | 2009-06-17 | Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090772089 Active EP2303488B1 (fr) | 2008-07-03 | 2009-06-17 | Procédé et dispositif pour la production de pièces découpées de précision à partir d'une bande de matériau |
Country Status (5)
Country | Link |
---|---|
US (1) | US8910549B2 (fr) |
EP (2) | EP2140954B1 (fr) |
JP (1) | JP5698125B2 (fr) |
AT (2) | ATE524251T1 (fr) |
WO (1) | WO2010000389A1 (fr) |
Cited By (7)
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CN102806264A (zh) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | 一种双向精冲模具及双向精冲零件加工方法 |
US20130186163A1 (en) * | 2011-12-22 | 2013-07-25 | Feintool Intellectual Property Ag | Method and apparatus to manufacture metallic bipolar plates |
CN104959447A (zh) * | 2015-07-14 | 2015-10-07 | 武汉理工大学 | 一种偏载主动平衡精冲模具结构 |
EP2926921A3 (fr) * | 2014-03-17 | 2015-12-30 | Toa Forging Co., Ltd. | Procédé de fabrication d'une plaque métallique ayant un trou, plaque métallique avec trou, engrenage extérieur avec trou périphérique, engrenage externe, plaque métallique pour came, procédé de fabrication d'une plaque métallique et ladite plaque |
CN105290225A (zh) * | 2015-11-20 | 2016-02-03 | 重庆庆建机械配件有限公司 | 一种油门组合活动块落料冲孔模具 |
CN107377767A (zh) * | 2017-08-23 | 2017-11-24 | 中山市创智智能科技有限公司 | Usb弹片加工模具 |
CN110560571A (zh) * | 2019-10-14 | 2019-12-13 | 珠海格力精密模具有限公司 | 钣金模具 |
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DE102011117023A1 (de) | 2011-10-27 | 2013-05-02 | Von Ardenne Anlagentechnik Gmbh | Beschichtungsvorrichtung und Verfahren zur Herstellung von organischen Schichten |
DE102014000299B3 (de) * | 2014-01-15 | 2015-07-16 | Rixen Wolfgang | Verfahren zur Erzeugung von Durchgängen in einem metallischen Körper mittels Hochgeschwindigkeitsscherschneiden sowie dessen Verwendung |
WO2016098145A1 (fr) * | 2014-12-18 | 2016-06-23 | 黒田精工株式会社 | Dispositif de maintien en sens inverse pour dispositif de moulage à alimentation vers l'avant et dispositif de moulage à alimentation vers l'avant pourvu de celui-ci |
CN106025769B (zh) * | 2016-07-27 | 2018-09-11 | 广东欧珀移动通信有限公司 | 电源适配器、移动终端及电源接口的制造方法 |
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JP7116477B2 (ja) * | 2018-08-07 | 2022-08-10 | 株式会社フロンティア | 抜き落とし加工装置及び抜き落とし加工方法 |
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JP7263887B2 (ja) * | 2019-03-29 | 2023-04-25 | 株式会社アイシン | プレス加工装置 |
DE102020107890A1 (de) | 2020-03-23 | 2021-09-23 | William Prym Gmbh & Co. Kg | Verfahren zur Herstellung eines Bauteils mit glatten Schnittflächen, insbesondere in einem Folgeverbundwerkzeug |
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US20220219216A1 (en) * | 2021-01-14 | 2022-07-14 | Frontier Co., Ltd. | Stamping apparatus, method of stamping and stamping mold |
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JP2005324236A (ja) * | 2004-05-14 | 2005-11-24 | Ricoh Co Ltd | 半抜き加工用パンチ、及び、プレス型、半抜き形状部材、及び画像形成装置 |
EP1784766B1 (fr) * | 2004-08-10 | 2013-06-05 | Gemalto SA | Découplage entre des cartes |
US7464575B2 (en) * | 2004-10-13 | 2008-12-16 | Nakamura Seisakusho Kabushikigaisha | Shearing method for thin plate |
US7600312B2 (en) * | 2005-07-12 | 2009-10-13 | L.H. Carbide Corporation | Die assembly for manufacturing lamina stacks that include formed features |
JP2009037980A (ja) * | 2007-08-03 | 2009-02-19 | Panasonic Corp | 電池缶および金属缶用ブランクとこれを用いた電池缶および金属缶の製造方法 |
US8196498B2 (en) * | 2009-12-23 | 2012-06-12 | Wen-Pin Wang | Forming method for applying a continuous punching to a chain roller |
DE112009005483T5 (de) * | 2009-12-26 | 2012-10-04 | Toyota Jidosha Kabushiki Kaisha | Elemente eines Riemens für ein stufenlos einstellbares Fahrzeuggetriebe und Verfahren des Herstellens der Elemente |
JP5287917B2 (ja) * | 2011-03-25 | 2013-09-11 | 株式会社デンソー | 回転電機の回転子鉄心の製造方法 |
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2008
- 2008-07-03 EP EP20080012011 patent/EP2140954B1/fr not_active Not-in-force
- 2008-07-03 AT AT08012011T patent/ATE524251T1/de active
-
2009
- 2009-06-17 WO PCT/EP2009/004364 patent/WO2010000389A1/fr active Application Filing
- 2009-06-17 AT AT09772089T patent/ATE544541T1/de active
- 2009-06-17 JP JP2011515166A patent/JP5698125B2/ja active Active
- 2009-06-17 EP EP20090772089 patent/EP2303488B1/fr active Active
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2010
- 2010-12-23 US US12/977,733 patent/US8910549B2/en active Active
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US6163949A (en) * | 1996-06-05 | 2000-12-26 | L.H. Carbide Corporation | Method for manufacturing long, slender lamina stack from nonuniform laminae |
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DE102004032826A1 (de) | 2004-07-06 | 2006-02-02 | Feintool International Management Ag | Verfahren und Vorrichung zum Herstellen von Stanzteilen |
Cited By (11)
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US20130186163A1 (en) * | 2011-12-22 | 2013-07-25 | Feintool Intellectual Property Ag | Method and apparatus to manufacture metallic bipolar plates |
US9630233B2 (en) * | 2011-12-22 | 2017-04-25 | Feintool International Holding Ag | Method and apparatus to manufacture metallic bipolar plates |
CN102806264A (zh) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | 一种双向精冲模具及双向精冲零件加工方法 |
CN102806264B (zh) * | 2012-08-09 | 2015-01-14 | 河南星光机械制造有限公司 | 一种双向精冲模具及双向精冲零件加工方法 |
EP2926921A3 (fr) * | 2014-03-17 | 2015-12-30 | Toa Forging Co., Ltd. | Procédé de fabrication d'une plaque métallique ayant un trou, plaque métallique avec trou, engrenage extérieur avec trou périphérique, engrenage externe, plaque métallique pour came, procédé de fabrication d'une plaque métallique et ladite plaque |
TWI641433B (zh) * | 2014-03-17 | 2018-11-21 | 日商東亞鍛工所股份有限公司 | 具有孔的金屬板的製造方法,帶孔金屬板,帶周設孔外齒齒輪及其製造方法,外齒齒輪及凸輪用金屬板,及金屬板之製造方法及金屬板 |
CN104959447A (zh) * | 2015-07-14 | 2015-10-07 | 武汉理工大学 | 一种偏载主动平衡精冲模具结构 |
CN105290225A (zh) * | 2015-11-20 | 2016-02-03 | 重庆庆建机械配件有限公司 | 一种油门组合活动块落料冲孔模具 |
CN107377767A (zh) * | 2017-08-23 | 2017-11-24 | 中山市创智智能科技有限公司 | Usb弹片加工模具 |
CN110560571A (zh) * | 2019-10-14 | 2019-12-13 | 珠海格力精密模具有限公司 | 钣金模具 |
CN110560571B (zh) * | 2019-10-14 | 2024-05-17 | 珠海格力精密模具有限公司 | 钣金模具 |
Also Published As
Publication number | Publication date |
---|---|
JP2011526212A (ja) | 2011-10-06 |
JP5698125B2 (ja) | 2015-04-08 |
EP2303488B1 (fr) | 2012-02-08 |
ATE524251T1 (de) | 2011-09-15 |
US8910549B2 (en) | 2014-12-16 |
EP2303488A1 (fr) | 2011-04-06 |
US20110132162A1 (en) | 2011-06-09 |
ATE544541T1 (de) | 2012-02-15 |
EP2140954B1 (fr) | 2011-09-14 |
WO2010000389A1 (fr) | 2010-01-07 |
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