EP1287976A3 - Hydraulic press for metal powder compression - Google Patents

Hydraulic press for metal powder compression Download PDF

Info

Publication number
EP1287976A3
EP1287976A3 EP02017181A EP02017181A EP1287976A3 EP 1287976 A3 EP1287976 A3 EP 1287976A3 EP 02017181 A EP02017181 A EP 02017181A EP 02017181 A EP02017181 A EP 02017181A EP 1287976 A3 EP1287976 A3 EP 1287976A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic press
pressure generator
metal powder
upper stamp
powder compression
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
Application number
EP02017181A
Other languages
German (de)
French (fr)
Other versions
EP1287976B1 (en
EP1287976A2 (en
Inventor
Jürgen Hinzpeter
Ulrich Zeuschner
Ingo Schmidt
Thomas Pannewitz
Udo Baltruschat
Thorsten Ehrich
Ulf Hauschild
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.)
Fette GmbH
Original Assignee
Fette 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7697313&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1287976(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fette GmbH filed Critical Fette GmbH
Publication of EP1287976A2 publication Critical patent/EP1287976A2/en
Publication of EP1287976A3 publication Critical patent/EP1287976A3/en
Application granted granted Critical
Publication of EP1287976B1 publication Critical patent/EP1287976B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/03—Press-moulding apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/22—Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/058—Undercut

Abstract

The hydraulic press comprises a die bolster (10), and an upper stamp (16) and a lower stamp (14) which interact with a die bore and are operated by a hydraulic pressing cylinder. A limited dead path is provided in the power path between the pressing cylinder and the upper stamp. A pressure generator is arranged parallel to the power path and by which a pressing force is applied on the upper stamp. Preferred Features: The pressure generator acts on the upper stamp via a force measuring device. The pressure generator is a pneumatic cylinder.
EP02017181A 2001-08-31 2002-07-31 Hydraulic press for metal powder compression Expired - Lifetime EP1287976B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10142773A DE10142773C1 (en) 2001-08-31 2001-08-31 Hydraulic press for pressing metal powder
DE10142773 2001-08-31

Publications (3)

Publication Number Publication Date
EP1287976A2 EP1287976A2 (en) 2003-03-05
EP1287976A3 true EP1287976A3 (en) 2004-01-07
EP1287976B1 EP1287976B1 (en) 2006-09-13

Family

ID=7697313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017181A Expired - Lifetime EP1287976B1 (en) 2001-08-31 2002-07-31 Hydraulic press for metal powder compression

Country Status (4)

Country Link
US (1) US7033155B2 (en)
EP (1) EP1287976B1 (en)
AT (1) ATE339299T1 (en)
DE (2) DE10142773C1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0307213A (en) * 2002-01-25 2005-04-26 Ck Man Ab Dynamic Forging Impact Energy Retention Machine
DE102005021923C5 (en) * 2005-05-12 2014-03-13 Fette Compacting Gmbh Method for operating a rotary press and rotary press
DE102005052748A1 (en) * 2005-11-04 2007-05-10 Dorst Technologies Gmbh & Co. Kg Press arrangement and method for pressing pressed parts
DE102008015765B4 (en) * 2008-03-26 2016-02-11 Holzma Plattenaufteiltechnik Gmbh Beamsaw
RU2496644C1 (en) * 2012-03-13 2013-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный индустриальный университет" Hydraulic powder compacting press
DE102014117012B4 (en) 2014-11-20 2017-07-13 Fette Compacting Gmbh Method for conveying compacts in a rotary press and rotary press for producing compacts
DE102015117663A1 (en) * 2015-10-16 2017-04-20 Dorst Technologies Gmbh & Co. Kg CERAMIC AND / OR METAL POWDER PRESSING TOOL, PRESSE BZW. METHOD FOR SETTING A CERAMIC AND / OR METAL POWDER PRESS
CN112959721A (en) * 2021-02-01 2021-06-15 一重集团大连工程技术有限公司 Primary compressor for compaction treatment in middle-low radioactive solid waste barrel

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB311070A (en) * 1928-04-14 1929-05-09 Fritz Kilian Improvements in the manufacture of compressed cakes
US2569226A (en) * 1946-01-11 1951-09-25 Denison Eng Co Method of producing articles from powdered material
US4260346A (en) * 1979-10-09 1981-04-07 Anderson Jr Raymond B Press assembly for powder material
JPH0491894A (en) * 1990-08-06 1992-03-25 Seiko Electronic Components Ltd Method for compacting powder
JPH0577099A (en) * 1991-09-17 1993-03-30 Fanuc Ltd Machine and method for compression forming
US5202067A (en) * 1991-11-12 1993-04-13 Chemplex Industries, Inc. Powder compacting press apparatus and methods
DE19846210A1 (en) * 1998-10-07 2000-04-13 Dorst Masch & Anlagen Press for the production of moldings
DE19854075A1 (en) * 1998-11-24 2000-05-25 Henkel Kgaa Production of moldings, e.g. laundry and other detergent tablets, by pressing particulate premix uses flexible element with definite elasticity constant in power path of tableting press

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890413A (en) * 1974-08-15 1975-06-17 Hydramet American Inc Apparatus and method for compacting particulate materials
US4946634A (en) * 1987-04-16 1990-08-07 Gte Products Corporation Powder compacting press to control green density distribution in parts
DE3919821C2 (en) * 1989-06-15 1994-04-07 Mannesmann Ag Method and device for producing dimensionally stable compacts
JP3558679B2 (en) * 1994-03-31 2004-08-25 株式会社アマダ Ram drive in plate processing machine
DE19717217C2 (en) * 1997-04-24 1999-12-02 Fette Wilhelm Gmbh Method and device for producing compacts from hard metal, ceramic, sintered metal or the like
US6432158B1 (en) * 1999-10-25 2002-08-13 Sumitomo Special Metals Co., Ltd. Method and apparatus for producing compact of rare earth alloy powder and rare earth magnet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB311070A (en) * 1928-04-14 1929-05-09 Fritz Kilian Improvements in the manufacture of compressed cakes
US2569226A (en) * 1946-01-11 1951-09-25 Denison Eng Co Method of producing articles from powdered material
US4260346A (en) * 1979-10-09 1981-04-07 Anderson Jr Raymond B Press assembly for powder material
JPH0491894A (en) * 1990-08-06 1992-03-25 Seiko Electronic Components Ltd Method for compacting powder
JPH0577099A (en) * 1991-09-17 1993-03-30 Fanuc Ltd Machine and method for compression forming
US5202067A (en) * 1991-11-12 1993-04-13 Chemplex Industries, Inc. Powder compacting press apparatus and methods
DE19846210A1 (en) * 1998-10-07 2000-04-13 Dorst Masch & Anlagen Press for the production of moldings
DE19854075A1 (en) * 1998-11-24 2000-05-25 Henkel Kgaa Production of moldings, e.g. laundry and other detergent tablets, by pressing particulate premix uses flexible element with definite elasticity constant in power path of tableting press

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 325 (M - 1280) 15 July 1992 (1992-07-15) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 395 (M - 1451) 23 July 1993 (1993-07-23) *

Also Published As

Publication number Publication date
ATE339299T1 (en) 2006-10-15
DE10142773C1 (en) 2003-03-06
EP1287976B1 (en) 2006-09-13
DE50208119D1 (en) 2006-10-26
US7033155B2 (en) 2006-04-25
EP1287976A2 (en) 2003-03-05
US20030041749A1 (en) 2003-03-06

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