EP1731246A1 - Appareil pour la fabrication d'une diversité des objets moulés de poudre. - Google Patents

Appareil pour la fabrication d'une diversité des objets moulés de poudre. Download PDF

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Publication number
EP1731246A1
EP1731246A1 EP06008152A EP06008152A EP1731246A1 EP 1731246 A1 EP1731246 A1 EP 1731246A1 EP 06008152 A EP06008152 A EP 06008152A EP 06008152 A EP06008152 A EP 06008152A EP 1731246 A1 EP1731246 A1 EP 1731246A1
Authority
EP
European Patent Office
Prior art keywords
die sleeve
die
parts
powder
base body
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
EP06008152A
Other languages
German (de)
English (en)
Other versions
EP1731246B1 (fr
Inventor
Norbert Nies
Walter Solty
Bernd Horn
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.)
SMS Group GmbH
Original Assignee
SMS Meer 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 SMS Meer GmbH filed Critical SMS Meer GmbH
Priority to PL06008152T priority Critical patent/PL1731246T3/pl
Publication of EP1731246A1 publication Critical patent/EP1731246A1/fr
Application granted granted Critical
Publication of EP1731246B1 publication Critical patent/EP1731246B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
    • 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
    • B22F2003/033—Press-moulding apparatus therefor with multiple punches working in the same direction

Definitions

  • the invention relates to a device for producing a molded part from powder, in particular from metal powder, from a dough containing a powdery material, from a powder containing flowable material or from prepressed material comprising a die consisting of a base body and a in this Matrizenhülse used, wherein the Matrizenhülse forms at least one molding surface for the molding, and at least one ram, which can enter into an opening defined by the Matrizenhülse in a pressing direction and can compact material located in the Matrizenhülse.
  • a plurality of punches are used, which can move in an axial direction.
  • the stamps can be in an axial Submerge mold closed on one side or come from both axial directions in an axially open in both directions die. Occasionally, through mandrel rods are used, but primarily have no compression function, but a positive displacement function.
  • the punches can also dip laterally into the die to create undercuts or other geometric shapes. To demould the molded part, these radially dipping punch are withdrawn so far that the demolding is not hindered.
  • the die usually consists of a die ring (matrix base body) and a die bushing or sleeve inserted therein with the workpiece contour.
  • WO 02/32655 A1 From the WO 02/32655 A1 is a powder press tool is known, which is provided that it is formed in a Auspressabites so that the Auspresskanal supporting die walls are becoming increasingly thin. By thinning walls in this area, a gradually increasing compliance of the tool is achieved, whereby the demolding is to be facilitated.
  • a pressing device for powdery and granular material in which include two matrices whose end faces include the contour of the molding, by means of guides at an angle, the surfaces of the end faces of the dies close to each other when reaching the final contour of the molding.
  • the invention is therefore the object of a device of the type mentioned in such a way that it is possible to create an additional press axis in the device, a very compact design should be possible, which is possibly also suitable to convert existing devices ,
  • the die sleeve is formed at least two parts, wherein means are provided, with which the at least two parts of the die sleeve in the pressing direction relative to each other are displaceable.
  • the die sleeve itself is thus designed so that it has a movement possibility with which powder can be put under pressure during pressing.
  • the at least two parts of the die sleeve are concentrically arranged, hollow cylindrical parts. It is preferably provided that one of the parts is arranged stationary in the base body and one of the parts is arranged displaceably in the pressing direction. Furthermore, it can be provided that the stationary part arranged in the base body abuts with a portion of its cylindrical outer surface on the cylindrical inner surface of the displaceably arranged part.
  • the means for displacing the at least one part of the die sleeve can be designed as a hydraulic piston-cylinder system.
  • the cylinder of the piston-cylinder system is preferably designed as an annular groove in the main body of the die.
  • one end of the die sleeve is closed with a plate.
  • a plate In this case, only one side enters a punch in the Matrizenhülse.
  • the plate is determined with advantage on the displaceably arranged part of the die sleeve.
  • the pressing die may consist of a plurality of preferably concentrically arranged hollow cylindrical parts. It can have a centrally arranged rod.
  • the die sleeve is equipped with an integrated possibility of movement, with the pressure can be applied in stages to the introduced into the die sleeve powder.
  • inventively created further press axis increases the design possibilities in the production of powder pressed parts.
  • a device is shown schematically, with which a metal powder 15 can be pressed into a molded part.
  • the device has a die 1, which consists of a hollow cylindrical base body 2, into which a die sleeve 3 is coaxially inserted. So that the die sleeve 3 is highly resistant to wear, it preferably consists of hard metal.
  • the die sleeve 3 defines a cylindrical molding surface 4.
  • the metal powder 15 is introduced into the space formed by this molding surface. Both from above and from below can then ever a ram 5 are inserted into the respective openings of the die sleeve 3 in the pressing direction P and axially moved towards each other. In this case, a pressing force F p is exerted on the punches 5, so that the powder 15 is compressed.
  • the device is not only suitable for the processing of powder. Frequently, an already preformed compact is re-pressed in a further step, especially in the final pressing at higher pressures, which is a particularly important application of the device according to the invention and the corresponding method.
  • a die 1 including punch 5 is shown in section.
  • the die 1 has a base body 2, in which a two-part die sleeve 3 is inserted.
  • the die sleeve 3 consists of the two hollow cylindrical parts 6 and 7. While the part 6 is firmly fixed in the base body 2, the other part 7 of the die sleeve 3 is mounted displaceably in the pressing direction P.
  • the two parts 6 and 7 of the die sleeve 3 have radially inwardly facing forming surfaces 4, which define the outer contour of the compact to be formed.
  • the shape of the compact is further determined by a plate 12 arranged on the front side on the movable part 7 of the die sleeve 3. Furthermore, its shape results from the press die 5 to be inserted from below into the die sleeve 3.
  • the press ram 5 consists of a plurality of concentrically arranged sleeves 13, 13 ', 13 ", ..., from whose axial relative position the shape of the compact results correspondingly. [... Die]
  • the sleeves 13, 13', 13", ... are concentric arranged to a rod 14.
  • the ram 5 is acted upon by a non-illustrated movement element with the pressing force F P.
  • the displaceable part 7 of the die sleeve 3 with a cylindrical inner surface 10 surrounds the cylindrical outer surface 9 of the part 6 stationarily arranged in the die sleeve 3. Both cooperating surfaces 9, 10 are tolerated so that a displaceability of both parts 6 , 7 is possible, yet there is only the smallest possible gap between the two parts.
  • the movement of the displaceable part 7 of the die sleeve 3 relative to the stationarily arranged part 6 takes place by means 8, which are designed as a hydraulic piston-cylinder system.
  • an annular groove 11 is incorporated in the base body 2 of the die 1, which serves as a cylinder for an inserted annular piston 16.
  • the cylinder 11 communicates with two fluid lines 17 and 18, via which controlled or controlled hydraulic oil can be entered into the cylinder chamber to the piston 16 controlled or to move in a desired relative position to the cylinder 11, whereby the part 7 accordingly is positioned.
  • the maximum displacement of the part 7 relative to the part 6 of the die sleeve 3 is indicated by x.
EP06008152A 2005-06-11 2006-04-20 Appareil pour la fabrication d'une diversité des objets moulés de poudre. Not-in-force EP1731246B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06008152T PL1731246T3 (pl) 2005-06-11 2006-04-20 Urządzenie do wytwarzania różnorodnych kształtek z proszku

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005027032A DE102005027032B4 (de) 2005-06-11 2005-06-11 Vorrichtung zum Herstellen eines Formteils

Publications (2)

Publication Number Publication Date
EP1731246A1 true EP1731246A1 (fr) 2006-12-13
EP1731246B1 EP1731246B1 (fr) 2009-09-16

Family

ID=36601210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008152A Not-in-force EP1731246B1 (fr) 2005-06-11 2006-04-20 Appareil pour la fabrication d'une diversité des objets moulés de poudre.

Country Status (8)

Country Link
US (1) US7553145B2 (fr)
EP (1) EP1731246B1 (fr)
JP (1) JP4621632B2 (fr)
AT (1) ATE442926T1 (fr)
CA (1) CA2550095A1 (fr)
DE (2) DE102005027032B4 (fr)
ES (1) ES2330771T3 (fr)
PL (1) PL1731246T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT515961B1 (de) * 2014-06-18 2017-04-15 Miba Sinter Austria Gmbh Verfahren und Vorrichtung zum Pressen eines Grünlings
DE102017114455B3 (de) * 2017-06-29 2018-10-31 Gkn Sinter Metals Engineering Gmbh Ebenenplatte eines Pressenwerkzeugs
CN107932971B (zh) * 2017-12-22 2023-05-26 山西贵友自动化设备有限公司 挤压成型产品的压制生产系统

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524220A (en) 1967-11-15 1970-08-18 Western Electric Co Die set for compacting powder
JPS63154299A (ja) 1986-12-19 1988-06-27 Mazda Motor Corp 粉末成形方法
JPH0631713A (ja) * 1992-07-21 1994-02-08 Nippon Nuclear Fuel Dev Co Ltd 圧粉成形体の製造方法および装置
US5364253A (en) 1992-05-14 1994-11-15 Matsushita Electric Industrial Co., Ltd. Magnetic circuit component molding device
US5455002A (en) * 1992-03-12 1995-10-03 Aida Engineering, Ltd. Plastic working method for holed metal parts
US5498147A (en) * 1990-08-10 1996-03-12 Yoshizuka Seiki Co., Ltd. Powder molding press
JPH09176701A (ja) 1995-12-25 1997-07-08 Toyota Motor Corp 異形部付きはす歯歯車成形体の成形金型
EP0826449A1 (fr) * 1996-08-27 1998-03-04 Honda Giken Kogyo Kabushiki Kaisha Article en poudre comprimée et son procédé de fabrication
JP2004291046A (ja) * 2003-03-27 2004-10-21 Sumitomo Denko Shoketsu Gokin Kk 粉末成形における成形体のクラック防止方法及び装置
EP1602473A1 (fr) * 2004-06-02 2005-12-07 SMS Meer GmbH Procédé et installation pour la préparation d'une pièce compactée à partir de poudre

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107002A (ja) * 1982-12-11 1984-06-21 Toyota Motor Corp 焼結部品の製造方法
JPH0756152Y2 (ja) * 1987-11-30 1995-12-25 株式会社島津製作所 材料試験機
DE4209767C1 (fr) * 1992-03-23 1993-05-06 Mannesmann Ag, 4000 Duesseldorf, De
JPH0798279B2 (ja) * 1992-11-05 1995-10-25 株式会社ヨシツカ精機 粉末成形プレスのパンチ接続方法および接続装置
EP0680405B1 (fr) * 1993-11-24 1999-08-04 Stackpole Limited Matrice double a mise en phase
DE19508952C2 (de) * 1995-03-13 1998-04-16 Schwaebische Huettenwerke Gmbh Preßvorrichtung zur Erzeugung eines Formteils und entsprechendes Formteil
US5747073A (en) * 1995-10-27 1998-05-05 Tecsyn, Inc. Apparatus for producing composite cylinders
CA2245538C (fr) * 1996-02-02 2002-11-12 Englong He Ensemble formant wc sans chasse d'eau
DE19830601A1 (de) * 1998-07-09 2000-03-09 Friedrich Tilman Hes Formvorrichtung zur Herstellung homogener Formteile
JP3558531B2 (ja) * 1998-08-31 2004-08-25 日立粉末冶金株式会社 粉末成形装置
DE19953244A1 (de) * 1999-11-04 2001-05-17 Itt Mfg Enterprises Inc Presse
CA2303683A1 (fr) * 2000-04-03 2001-10-03 F. George Pataracchia Matrice metallique a poudre entaillee a plusieurs usages
SE0003755L (sv) 2000-10-17 2002-04-18 Skf Ab Metod och anordning fö pulverpressning
EP1472077A1 (fr) * 2002-01-15 2004-11-03 Hawk Precision Components Group, Inc. Outil de forage servant au compactage de materiaux particulaires
JP4443847B2 (ja) * 2003-03-31 2010-03-31 日立粉末冶金株式会社 傘状粉末成形体の成形方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524220A (en) 1967-11-15 1970-08-18 Western Electric Co Die set for compacting powder
JPS63154299A (ja) 1986-12-19 1988-06-27 Mazda Motor Corp 粉末成形方法
US5498147A (en) * 1990-08-10 1996-03-12 Yoshizuka Seiki Co., Ltd. Powder molding press
US5455002A (en) * 1992-03-12 1995-10-03 Aida Engineering, Ltd. Plastic working method for holed metal parts
US5364253A (en) 1992-05-14 1994-11-15 Matsushita Electric Industrial Co., Ltd. Magnetic circuit component molding device
JPH0631713A (ja) * 1992-07-21 1994-02-08 Nippon Nuclear Fuel Dev Co Ltd 圧粉成形体の製造方法および装置
JPH09176701A (ja) 1995-12-25 1997-07-08 Toyota Motor Corp 異形部付きはす歯歯車成形体の成形金型
EP0826449A1 (fr) * 1996-08-27 1998-03-04 Honda Giken Kogyo Kabushiki Kaisha Article en poudre comprimée et son procédé de fabrication
JP2004291046A (ja) * 2003-03-27 2004-10-21 Sumitomo Denko Shoketsu Gokin Kk 粉末成形における成形体のクラック防止方法及び装置
EP1602473A1 (fr) * 2004-06-02 2005-12-07 SMS Meer GmbH Procédé et installation pour la préparation d'une pièce compactée à partir de poudre

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 243 (M - 1602) 10 May 1994 (1994-05-10) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Also Published As

Publication number Publication date
PL1731246T3 (pl) 2010-02-26
ES2330771T3 (es) 2009-12-15
US7553145B2 (en) 2009-06-30
US20060286194A1 (en) 2006-12-21
JP2006346749A (ja) 2006-12-28
ATE442926T1 (de) 2009-10-15
EP1731246B1 (fr) 2009-09-16
JP4621632B2 (ja) 2011-01-26
DE102005027032B4 (de) 2007-06-28
DE102005027032A1 (de) 2006-12-28
CA2550095A1 (fr) 2006-12-11
DE502006004836D1 (de) 2009-10-29

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