DE3781099D1 - Zieheinrichtung fuer eine presse. - Google Patents

Zieheinrichtung fuer eine presse.

Info

Publication number
DE3781099D1
DE3781099D1 DE8787116280T DE3781099T DE3781099D1 DE 3781099 D1 DE3781099 D1 DE 3781099D1 DE 8787116280 T DE8787116280 T DE 8787116280T DE 3781099 T DE3781099 T DE 3781099T DE 3781099 D1 DE3781099 D1 DE 3781099D1
Authority
DE
Germany
Prior art keywords
piston
holder
chambers
tappet
pressure
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
Application number
DE8787116280T
Other languages
English (en)
Inventor
Siegfried Baur
Rudi Brandstetter
Gerhard Roos
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.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L Schuler GmbH filed Critical L Schuler GmbH
Priority to DE8787116280T priority Critical patent/DE3781099D1/de
Application granted granted Critical
Publication of DE3781099D1 publication Critical patent/DE3781099D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
DE8787116280T 1986-11-28 1987-11-05 Zieheinrichtung fuer eine presse. Expired - Lifetime DE3781099D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787116280T DE3781099D1 (de) 1986-11-28 1987-11-05 Zieheinrichtung fuer eine presse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863640787 DE3640787A1 (de) 1986-11-28 1986-11-28 Zieheinrichtung fuer eine presse
DE8787116280T DE3781099D1 (de) 1986-11-28 1987-11-05 Zieheinrichtung fuer eine presse.

Publications (1)

Publication Number Publication Date
DE3781099D1 true DE3781099D1 (de) 1992-09-17

Family

ID=6315064

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863640787 Withdrawn DE3640787A1 (de) 1986-11-28 1986-11-28 Zieheinrichtung fuer eine presse
DE8787116280T Expired - Lifetime DE3781099D1 (de) 1986-11-28 1987-11-05 Zieheinrichtung fuer eine presse.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863640787 Withdrawn DE3640787A1 (de) 1986-11-28 1986-11-28 Zieheinrichtung fuer eine presse

Country Status (5)

Country Link
US (1) US4821552A (de)
EP (1) EP0268894B1 (de)
CA (1) CA1291372C (de)
DE (2) DE3640787A1 (de)
ES (1) ES2033769T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933806A1 (de) * 1989-10-10 1991-11-14 Schuler Gmbh L Ziehapparat in ziehstufen von pressen
US5003807A (en) * 1989-10-30 1991-04-02 Teledyne Industries, Inc. Press assembly and method of operation
US5065606A (en) * 1989-10-30 1991-11-19 Teledyne Industries, Inc. Press assembly with cushion assembly and auxiliary apparatus
DE4218914A1 (de) * 1992-06-10 1993-12-16 Erfurt Umformtechnik Gmbh Hydraulische Zieheinrichtung in einer Presse
DE69313585T2 (de) * 1992-11-05 1998-02-19 Toyota Motor Co Ltd Ziehkissen und Verfahren zur Optimierung dessen Zylinderstiftendrucks
US5457980A (en) * 1992-11-05 1995-10-17 Toyota Jidosha Kabushiki Kaisha Method and device for controlling, checking or optimizing pressure of cushion pin cylinders of press by discharging fluid or initial pressure
JP2776196B2 (ja) * 1993-04-28 1998-07-16 トヨタ自動車株式会社 均圧クッション装置の均圧診断方法および装置
JP2727954B2 (ja) * 1994-03-03 1998-03-18 トヨタ自動車株式会社 プレス装置
JP2812201B2 (ja) * 1994-07-15 1998-10-22 トヨタ自動車株式会社 プレス装置
JP3060908B2 (ja) * 1994-12-21 2000-07-10 トヨタ自動車株式会社 プレス機械の均圧装置
JP3181888B2 (ja) * 1999-03-09 2001-07-03 ユミックス株式会社 加工機の静音構造、プレス機械の静音構造、絞り型の静音構造とその静音助走ユニット
JP2002224897A (ja) * 2001-02-02 2002-08-13 Komatsu Ltd ダイクッション装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085530A (en) * 1958-10-22 1963-04-16 Floyd M Williamson Hydraulic press ram cushion
US3456478A (en) * 1967-07-07 1969-07-22 Bliss Co Hydraulic locking cylinders
US3636749A (en) * 1969-05-20 1972-01-25 Elmer F Heiser Hydraulic pressure control apparatus
EP0074421B1 (de) * 1981-09-12 1985-05-22 L. SCHULER GmbH Zieheinrichtung für Pressen mit mechanisch angetriebenem Ziehstössel
DE3505984A1 (de) * 1985-02-21 1986-08-21 L. Schuler GmbH, 7320 Göppingen Ziehapparat an pressen
DD242355A1 (de) * 1985-10-30 1987-01-28 Warnke Umformtech Veb K Einrichtung zur auftreffstossdaempfung fuer ziehkissen an pressen

Also Published As

Publication number Publication date
US4821552A (en) 1989-04-18
DE3640787A1 (de) 1988-06-01
EP0268894A2 (de) 1988-06-01
CA1291372C (en) 1991-10-29
ES2033769T3 (es) 1993-04-01
EP0268894A3 (en) 1989-11-29
EP0268894B1 (de) 1992-08-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee