EP1007241B1 - Verfahren zum herstellen von exakten schnittflächen - Google Patents
Verfahren zum herstellen von exakten schnittflächen Download PDFInfo
- Publication number
- EP1007241B1 EP1007241B1 EP98947492A EP98947492A EP1007241B1 EP 1007241 B1 EP1007241 B1 EP 1007241B1 EP 98947492 A EP98947492 A EP 98947492A EP 98947492 A EP98947492 A EP 98947492A EP 1007241 B1 EP1007241 B1 EP 1007241B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- contour
- cutting
- tooth
- carried out
- 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.)
- Expired - Lifetime
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
- B21D28/16—Shoulder or burr prevention, e.g. fine-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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49995—Shaping one-piece blank by removing material
- Y10T29/49996—Successive distinct removal operations
Definitions
- the invention relates to a method for producing exact cutting surfaces on a workpiece by punching or cutting, especially by fine cutting, wherein first punching out or cutting out a contour in a distance from the actual contour of the workpiece and then a scraping up to the contour of the Workpiece takes place.
- Functional shapes on fineblanked parts are always the requirement for little or little edge indentation levied. Especially the protruding, acute-angled ones
- the shapes of the finely cut parts are large Moving in, e.g. Ratchet teeth or gears.
- the removal one on the cutting surface of a finely cut part resulting edge indentation and one of the edge indentation opposite ridge is cut through executed. This increases the proportion of the Functional surface; this includes making the component higher can be loaded or at the prescribed carrying height thinner sheet thicknesses can be transferred.
- CH 665 367 A2 there is a re-cutting process described, in which the recutting in Cutting direction or opposite to the cutting direction the preliminary stage of the fineblanking process. That is, in several stages are approximated to the actual one desired contour of the workpiece to be manufactured.
- the re - cutting creates chips that in the Tool or remain in the press and in the course of Time can cause significant disruption.
- the present invention is based on the object To develop processes of the type mentioned above, in which the No disadvantage of the chips remaining in the tool occurs.
- the solution to this problem is that in at least one Level the scraping only to a part of the thickness of the Workpiece and in a final stage the contour of the workpiece by re-scraping in the opposite Direction for punching or cutting is reached.
- the main advantage of this procedure is that the Chip certainly remains on the material strip and with this strip of material, i.e. punched grid, from which Tool or the press is discharged. It doesn't come to release the chip from the lead frame, which means that no loose chip remains in the tool.
- Another major advantage is that for one of the indentations created by fineblanking again in the final stage of resharpening, the opposite the direction of fineblanking is carried out and at the same time compared to that of fineblanking indentation only a small indentation through the Resurfacing arises. The ridge also becomes complete away.
- the first stage of re-scraping is preferably carried out up to half the thickness of the workpiece. This is done a favorable power distribution, because in the second stage of the Scraping already half of that to be scraped Material is converted into a chip.
- the first stage of resharpening should also be around at least half the distance between one Tooth. In the second stage, the whole Distance away.
- Re-scraping in several stages in or opposite to the Cutting or punching direction takes place. This mainly depends on the material used for the workpiece.
- FIG. 1 shows a finely cut pawl 1, whose tooth 2 additionally cut or scraped has been.
- the scraping of an already cut shape also refers to the inner and outer forms of an in cut line contour closed and limited not only on tooth areas as shown in Figure 1.
- the tooth contours are provided with sharp edges 3, whereby Tooth cut surfaces 4.1 and 4.2 right-angled, free of edges and are low in burrs.
- the fineblanking process is shown schematically in FIGS 5 shown. Before the actual fineblanking process into a strip of material 5 outside a cutting line 6 a notch 8 is pressed in by means of a ring spike 7.
- the Ring-shaped tooth 7 can either be a guide plate 9 or one Cutting plate 10 or both a guide plate 9 as also a cutting plate 10 (not shown) of the Fineblanking be molded.
- the edge indentation is caused by the the latter measure, i.e. the attachment of the ring spike 7.1 and 7.2 both on the guide plate 9 and on the Insert 10 significantly reduced; this measure is but expensive for manufacturing and maintenance reasons.
- the in Figures 3 and 5 removable feed width is c and the feed depth of the edge feed 11.1 with d designated.
- FIGs 6 and 7 is the schematic Resharpening process on the cut surface 4.1 or 4.2 of the finely cut ratchet tooth 2 shown. This will in a first step in the material strip 5 a ratchet tooth hole 12 is formed, which of a dash-dotted outline 13 of the ratchet tooth 2 maintains a distance a.
- the figure in FIG Edge feeder 11 and edge feeder 11 opposite ridge 14 can be seen. Cutting out the Pawl tooth hole 12 takes place in the cutting direction x.
- a re-scraping takes place in the Area of the distance a between the contour 13 of the Pawl tooth 2 and the first inner contour 15 of Pawl tooth hole 12.
- a scraping takes place around half of the distance a and about half of the Thickness d of tooth 2. This creates a chip 16 which but remains on tooth 2.
- a re-scraping takes place against the cutting direction x by the entire dimension of the Distance a, so that now both the edge feed 11 and also the ridge 14 is removed and an exact Cut surface 4 on the tooth 2 is formed.
- the Span 16.1 remains on the tool strip 5 and is with this Material strips 5 from the corresponding tool discharged.
- FIGS of a replenishment process Another exemplary embodiment is shown in FIGS of a replenishment process according to the invention.
- the first part of the figures is a tooth 2.1 from a Material strips 5.1 punched out, the first Inner contour 15.1 the distance a from a desired maintains the final contour 13.1.
- the punching direction is indicated by the arrow in Figure 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Positionszahlenliste | |||||
1 | Klinke | 34 | 67 | ||
2 | Zahn | 35 | 68 | ||
3 | Kante | 36 | 69 | ||
4 | Schnittfläche | 37 | 70 | ||
5 | Werkstoffstreifen | 38 | 71 | ||
6 | Schnittlinie | 39 | 72 | ||
7 | Ringzacke | 40 | 73 | ||
8 | Kerbe | 41 | 74 | ||
9 | Führungsplatte | 42 | 75 | ||
10 | Schmidplatte | 43 | 76 | ||
11 | Kanteneinzug | 44 | 77 | ||
12 | Klinkenzahnloch | 45 | 78 | ||
13 | Kontur | 46 | 79 | ||
14 | Grad | 47 | |||
15 | Innenkontur | 48 | |||
16 | Span | 49 | a | Abstand | |
17 | 50 | d | Dicke | ||
18 | 51 | x | Schnittrichtung | ||
19 | 52 | ||||
20 | 53 | ||||
21 | 54 | ||||
22 | 55 | ||||
23 | 56 | ||||
24 | 57 | ||||
25 | 58 | ||||
26 | 59 | ||||
27 | 60 | ||||
28 | 61 | ||||
29 | 62 | ||||
30 | 63 | ||||
31 | 64 | ||||
32 | 65 | ||||
33 | 66 |
Claims (4)
- Verfahren zum Herstellen von exakten Schnittflächen (4.1, 4.2) an einem Werkstück (2, 2.2) durch Stanzen bzw. Schneiden, insbesondere durch Feinschneiden, wobei zuerst ein Ausstanzen bzw. Ausschneiden einer Kontur (15, 15.1) in einem Abstand (a) von der eigentlichen Kontur (13, 13.1) des Werkstückes (2, 2.2) und anschliessend ein Nachschaben bis zur Kontur (13, 13.1) des Werkstückes (2, 2.2) erfolgt,
dadurch gekennzeichnet, dass in zumindest einer Stufe das Nachschaben nur bis zu einem Teil der Dicke (d) des Werkstückes erfolgt und in einer letzten Stufe die Kontur (13, 13.1) des Werkstückes (2, 2.2) durch ein Nachschaben in entgegengesetzter Richtung zum Stanzen bzw. Schneiden erreicht wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die erste Stufe des Nachschabens bis über die Hälfte der Dicke (d) des Werkstückes (2, 2.2) erfolgt.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die erste Stufe des Nachschabens um zumindest die Hälfte des Abstandes (a) und die zweite Stufe des Nachschabens um den gesamten Abstand (a) erfolgt.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass mehrfach in die eine und/oder in die andere Richtung in oder entgegen der Stanz- bzw. Schneidrichtung nachgeschabt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19738635A DE19738635C2 (de) | 1997-09-04 | 1997-09-04 | Verfahren zum Herstellen von exakten Schnittflächen |
DE19738635 | 1997-09-04 | ||
PCT/EP1998/005533 WO1999011400A1 (de) | 1997-09-04 | 1998-09-01 | Verfahren zum herstellen von exakten schnittflächen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1007241A1 EP1007241A1 (de) | 2000-06-14 |
EP1007241B1 true EP1007241B1 (de) | 2003-08-13 |
Family
ID=7841155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98947492A Expired - Lifetime EP1007241B1 (de) | 1997-09-04 | 1998-09-01 | Verfahren zum herstellen von exakten schnittflächen |
Country Status (9)
Country | Link |
---|---|
US (1) | US6125527A (de) |
EP (1) | EP1007241B1 (de) |
JP (1) | JPH1177182A (de) |
CN (1) | CN1089649C (de) |
AT (1) | ATE246972T1 (de) |
CA (1) | CA2302776C (de) |
DE (2) | DE19738635C2 (de) |
ES (1) | ES2202896T3 (de) |
WO (1) | WO1999011400A1 (de) |
Families Citing this family (44)
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---|---|---|---|---|
JP3975715B2 (ja) * | 2001-10-10 | 2007-09-12 | トヨタ紡織株式会社 | プレス成形方法及びそれに用いる装置 |
ITPD20020274A1 (it) * | 2002-10-22 | 2004-04-23 | Pegasus Srl | Metodo per la lavorazione di tranciatura di particolari metallici. |
CN100382912C (zh) * | 2004-03-26 | 2008-04-23 | 鸿富锦精密工业(深圳)有限公司 | 板金冲裁工艺 |
ES2320372T3 (es) * | 2006-02-03 | 2009-05-21 | Feintool Intellectual Property Ag | Metodo y herramienta para el corte de precision de piezas de trabajo con radios de esquina pequeños y retraccion fuertemente reducida en una configuracion de una sola etapa. |
CN101259504A (zh) * | 2007-03-07 | 2008-09-10 | 鸿富锦精密工业(深圳)有限公司 | 冲压模具、冲压成型方法及该冲压成型方法形成的产品 |
PT2042249E (pt) * | 2007-09-26 | 2010-06-07 | Feintool Ip Ag | Processo e dispositivo para fabrico de peças estampadas com grande superfície funcional e de corte bastante lisa |
DE102009001305B4 (de) | 2009-03-03 | 2017-08-17 | Aweba Werkzeugbau Gmbh Aue | Verfahren zur Herstellung eines Profils an einem Blechteil, Vorrichtung zur Durchführung des Verfahrens sowie Blechteil, herstellbar nach dem Verfahren |
EP2357048B1 (de) * | 2010-02-10 | 2013-06-05 | Feintool Intellectual Property AG | Verfahren und Vorrichtung zum Beeinflussen der Schnitt- und Funktionsfläche an feingeschnittenen Fertigteilen |
DE102010028280B4 (de) | 2010-04-28 | 2020-11-12 | Zf Friedrichshafen Ag | Verfahren zur Herstellung von Stanzteilen sowie Vorrichtung und Verwendung |
US20140020534A1 (en) * | 2012-07-17 | 2014-01-23 | National Taiwan Ocean University | Fine hydro-blanking device |
JP6100547B2 (ja) * | 2013-02-07 | 2017-03-22 | シロキ工業株式会社 | ギヤ |
JP6100546B2 (ja) * | 2013-02-07 | 2017-03-22 | シロキ工業株式会社 | 剪断打ち抜き加工方法及び剪断打ち抜き加工装置 |
CN105291180B (zh) * | 2014-07-08 | 2019-05-17 | 山东赢耐鑫电子科技有限公司 | 双向多孔钻眼机 |
EP3231527B1 (de) * | 2014-12-10 | 2021-03-24 | Nippon Steel Corporation | Rohling, matrizenanordnung und verfahren zur herstellung eines rohlings |
CN105729568B (zh) * | 2014-12-24 | 2017-12-19 | 怀化兴科创生物技术有限公司 | 一种水果自动打孔机 |
CN106142211A (zh) * | 2015-03-13 | 2016-11-23 | 联晟泰自动化科技(苏州)有限公司 | 一种胶片补强材料贴附设备 |
CN106142214A (zh) * | 2015-03-13 | 2016-11-23 | 联晟泰自动化科技(苏州)有限公司 | 一种胶纸自动贴合设备 |
CN105058489A (zh) * | 2015-08-20 | 2015-11-18 | 汪红芳 | 一种打孔机 |
CN105364989A (zh) * | 2015-12-16 | 2016-03-02 | 苏州太湖国家旅游度假区希成五金加工厂 | 一种使用方便的打孔器 |
CN105729569A (zh) * | 2016-03-23 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | 一种复合材料层压板的钻孔方法 |
CN105729574B (zh) * | 2016-04-19 | 2017-11-21 | 山东新华医疗器械股份有限公司 | 塑料瓶集成式自动冲裁机 |
CN105965603A (zh) * | 2016-04-22 | 2016-09-28 | 许世璋 | 一种可排废的刀模模具 |
CN105835121B (zh) * | 2016-05-30 | 2017-07-07 | 福建盈浩工艺制品有限公司 | 包装盒模切机 |
CN105904510A (zh) * | 2016-05-31 | 2016-08-31 | 苏州卓诚钛设备有限公司 | 一种塑料棒材侧壁打孔装置 |
CN105904514B (zh) * | 2016-06-12 | 2018-01-02 | 广东新瑞洲数控技术有限公司 | 一种用于柔性材料切割的冲切机头及其控制方法 |
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CN106346553B (zh) * | 2016-08-11 | 2018-06-19 | 李钦源 | 一种制鞋用快速穿孔装置 |
CN106142221B (zh) * | 2016-08-25 | 2017-10-03 | 坂崎雕刻模具(昆山)有限公司 | 一种刀辊装置 |
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CN106671201B (zh) * | 2017-03-09 | 2018-05-25 | 荆门市希济太机械科技有限公司 | 一种改进型食品切割装置 |
CN106976126B (zh) * | 2017-03-20 | 2019-04-02 | 纪章生 | 一种冲床 |
CN106945122A (zh) * | 2017-05-03 | 2017-07-14 | 深圳市哈德胜精密科技股份有限公司 | 全智能伺服热压成型圆刀模切机 |
CN106956319A (zh) * | 2017-05-15 | 2017-07-18 | 苏州盛达织带有限公司 | 一种带收集废料的织带打孔机 |
CN106965247A (zh) * | 2017-05-15 | 2017-07-21 | 苏州盛达织带有限公司 | 一种便捷式织带打孔机 |
CN106985200A (zh) * | 2017-05-15 | 2017-07-28 | 苏州盛达织带有限公司 | 一种可连续加工的织带打孔机 |
EP3409392B1 (de) * | 2017-05-30 | 2022-12-28 | Feintool International Holding AG | Verfahren zur herstellung von stanzteilen |
CN107225615A (zh) * | 2017-06-21 | 2017-10-03 | 滁州佳诚模具制造有限公司 | 用于冰箱冷藏箱冲孔用装置 |
CN107097291B (zh) * | 2017-07-01 | 2018-12-18 | 重庆润民纸业有限公司 | 一种纸张打孔模具用冲孔刀 |
CN107322689A (zh) * | 2017-07-24 | 2017-11-07 | 南京理工大学紫金学院 | 汽车零部件切割器 |
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US1325194A (en) * | 1919-12-16 | of belleville | ||
BE758810A (fr) * | 1969-11-15 | 1971-04-16 | Kondo Kazuyoshi | Procede de cisaillement de precision |
US3739669A (en) * | 1970-05-29 | 1973-06-19 | Suzuki Motor Co | Shearing press of opposing die type |
IT972789B (it) * | 1972-12-22 | 1974-05-31 | Ibm Spa | Procedimento e dispositivi di tranciatura senza bave |
US4061507A (en) * | 1976-06-28 | 1977-12-06 | Richmond Industries, Inc. | Wrench and method of making the same |
JPS56134026A (en) * | 1980-03-25 | 1981-10-20 | Tsubakimoto Chain Co | Blanking method |
DE3324680A1 (de) * | 1983-07-08 | 1985-01-24 | DAKO-Werkzeugfabriken David Kotthaus GmbH & Co KG, 5630 Remscheid | Verfahren zum feinschneiden von werkstuecken und feinschneidwerkzeug zur ausuebung des verfahrens |
JPS60152324A (ja) * | 1984-01-20 | 1985-08-10 | Fujitsu Kiden Ltd | シエ−ビング加工方法 |
CH665367A5 (en) * | 1984-09-17 | 1988-05-13 | Feintool Ag | Eliminating material burr at edges of press-cut component - by at least one corrective cutting step on step-wise moving metal strip |
US4711115A (en) * | 1985-12-30 | 1987-12-08 | Aluminum Company Of America | Method for forming memory discs by forging |
DE3931320C1 (de) * | 1989-09-20 | 1991-08-08 | Feintool International Holding, Lyss, Ch | |
US5105696A (en) * | 1990-12-10 | 1992-04-21 | Jacobson Mfg. Co., Inc. | Method and apparatus for punching a cross hole |
US5320013A (en) * | 1991-06-20 | 1994-06-14 | Fuji Electric Co., Ltd. | Method of blanking metal foil on piezoelectric actuator operated press, and die sets for practicing the method |
US5263353A (en) * | 1992-06-29 | 1993-11-23 | The Whitaker Corporation | Punch and die apparatus for producing flat stamped contact devices having improved contact edge surfaces |
JPH09250599A (ja) * | 1996-03-18 | 1997-09-22 | Honda Motor Co Ltd | サイレントチェーン |
-
1997
- 1997-09-04 DE DE19738635A patent/DE19738635C2/de not_active Expired - Fee Related
- 1997-12-09 US US08/987,535 patent/US6125527A/en not_active Expired - Fee Related
- 1997-12-16 JP JP9346553A patent/JPH1177182A/ja active Pending
-
1998
- 1998-09-01 EP EP98947492A patent/EP1007241B1/de not_active Expired - Lifetime
- 1998-09-01 WO PCT/EP1998/005533 patent/WO1999011400A1/de active IP Right Grant
- 1998-09-01 CA CA002302776A patent/CA2302776C/en not_active Expired - Fee Related
- 1998-09-01 DE DE59809291T patent/DE59809291D1/de not_active Expired - Lifetime
- 1998-09-01 CN CN98810634A patent/CN1089649C/zh not_active Expired - Fee Related
- 1998-09-01 ES ES98947492T patent/ES2202896T3/es not_active Expired - Lifetime
- 1998-09-01 AT AT98947492T patent/ATE246972T1/de active
Also Published As
Publication number | Publication date |
---|---|
ATE246972T1 (de) | 2003-08-15 |
JPH1177182A (ja) | 1999-03-23 |
DE19738635A1 (de) | 1999-03-18 |
ES2202896T3 (es) | 2004-04-01 |
CA2302776C (en) | 2006-11-14 |
CA2302776A1 (en) | 1999-03-11 |
CN1278196A (zh) | 2000-12-27 |
US6125527A (en) | 2000-10-03 |
EP1007241A1 (de) | 2000-06-14 |
DE59809291D1 (de) | 2003-09-18 |
WO1999011400A1 (de) | 1999-03-11 |
CN1089649C (zh) | 2002-08-28 |
DE19738635C2 (de) | 2002-09-26 |
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