EP2103423B1 - Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal - Google Patents

Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal Download PDF

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Publication number
EP2103423B1
EP2103423B1 EP08152858A EP08152858A EP2103423B1 EP 2103423 B1 EP2103423 B1 EP 2103423B1 EP 08152858 A EP08152858 A EP 08152858A EP 08152858 A EP08152858 A EP 08152858A EP 2103423 B1 EP2103423 B1 EP 2103423B1
Authority
EP
European Patent Office
Prior art keywords
wedge
transverse
plate
pressing
cross pressing
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.)
Not-in-force
Application number
EP08152858A
Other languages
German (de)
English (en)
Other versions
EP2103423A1 (fr
EP2103423B8 (fr
Inventor
Alex Wehrli
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.)
OSTERWALDER AG
Original Assignee
OSTERWALDER AG
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
Priority to AT08152858T priority Critical patent/ATE500958T1/de
Application filed by OSTERWALDER AG filed Critical OSTERWALDER AG
Priority to DE502008002806T priority patent/DE502008002806D1/de
Priority to ES08152858T priority patent/ES2362317T3/es
Priority to EP08152858A priority patent/EP2103423B8/fr
Priority to JP2011500155A priority patent/JP5479445B2/ja
Priority to CN200980109339.2A priority patent/CN101977760B/zh
Priority to PCT/EP2009/052905 priority patent/WO2009115444A1/fr
Priority to KR1020107022324A priority patent/KR101484645B1/ko
Priority to US12/922,871 priority patent/US8523550B2/en
Publication of EP2103423A1 publication Critical patent/EP2103423A1/fr
Publication of EP2103423B1 publication Critical patent/EP2103423B1/fr
Application granted granted Critical
Publication of EP2103423B8 publication Critical patent/EP2103423B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
    • 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
    • B30B11/007—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a plurality of pressing members working in different directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B7/00—Presses characterised by a particular arrangement of the pressing members
    • B30B7/04—Presses characterised by a particular arrangement of the pressing members wherein pressing is effected in different directions simultaneously or in turn
    • 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
    • B22F2003/031—Press-moulding apparatus therefor with punches moving in different directions in different planes

Definitions

  • the present invention relates to a powder press for producing a metal powder compact having an upper punch assembly, a lower punch assembly, and a die assembly forming the mold cavity, into which the metal powder is insertable, and then the upper punch assembly and the lower punch assembly to form the compact can be pressed against each other in the pressing direction, controlled by a control unit, and the lower punch assembly is provided with a plate on which the die assembly is mounted, and on which plate transverse pressing devices are mounted, which are each equipped with a transverse punch, softer linearly driven by a drive is and can be withdrawn through an opening in the die substantially transversely to the pressing direction in the transverse pressing direction into the mold cavity in a pressing position and retractable from this.
  • Such powder presses are known in many ways, they are used to produce powder compacts, which are then sintered, whereby a variety of workpieces can be produced, which can meet the most diverse requirements for these workpieces in the most optimal manner, for example, indexable inserts are made in this way, the very be exposed to high loads.
  • pressing is primarily in a pressing direction, which is usually vertical.
  • transverse dome are introduced through the Matrizenwandung transversely to the pressing direction in the mold cavity before the pressing process, which usually come to a punch of the lower punch assembly to the plant.
  • transverse mandrels are moved by direct linear drives, for example hydraulically, which is possible because these transverse domes do not have to absorb any pressing forces in their direction of movement.
  • the object of the present invention is to design the powder press in such a way that the compact can also be deformed during the pressing process with transverse compression punches and the forces occurring during the pressing can be absorbed in the transverse pressing direction.
  • each transverse pressing device comprises a linear drive with a fixed part attached to the frame of the transverse pressing device and a part which can be displaced linearly relative to the fixed part, which linearly displaceable part is connected to a first wedge whose wedge surface the wedge surface of a second wedge acts, which is displaceable substantially perpendicular to the first wedge in the transverse pressing direction.
  • transverse bores in a compact of metal powder it is possible to produce transverse bores in a compact of metal powder, but it can also lateral recesses are produced in this compact, which are not continuous, so that the cross pressing device can absorb the forces occurring during pressing in the transverse pressing direction.
  • the passages for the cross press dies may be obtained by recesses mounted in the annular die form, but the inner part of the die assembly may also be fully split or partially split, these die parts being spaced from each other, around the recesses for the passages of the cross press dies form, which may be inserted into an annular die holder.
  • lateral recesses and / or elevations can be attached to the compact.
  • each transverse pressing device comprises a linear drive with a fixed part fixed to the frame of the transverse pressing device and a part displaceable linearly with respect to the fixed part, which linearly displaceable part is connected to a first wedge, the wedge surface of which acts on the wedge surface of a second wedge can be displaced substantially perpendicular to the first wedge in the transverse pressing direction, can optimally on the cross press die during the pressing process acting force can be absorbed without the linear drive would be heavily stressed.
  • first wedge and the second wedge are displaceable along linear guideways attached to the frame of the transverse pressing device, whereby the occurring forces acting on the transverse ram are largely absorbed by the frame.
  • a further advantageous embodiment of the invention is that the pressing position of the cross press ram can be fixed by an adjustable stop, whereby the pressing position of the cross press ram is always reached very accurately regardless of further influences.
  • the stop is formed of a transverse to the direction of displacement of the first wedge adjustable third wedge, which is guided in the frame and whose wedge surface cooperates with a further wedge surface of the first wedge.
  • the position of the cross press ram with respect to the die assembly via measuring means can be detected and transmitted to the control unit, whereby the position of the transverse ram is monitored and the adjustment of the pressing position of the cross press ram over the stop is easily possible.
  • a further advantageous embodiment of the invention is that each cross-pressing punch is held via a coupling device in the respective transverse pressing device.
  • the transverse pressing dies can be exchanged in a simple manner, while the transverse pressing device can be used for virtually all compacts to be pressed having different shapes.
  • each transverse pressing device is equipped with a protruding bolt and that the plate is provided with a plurality of holes, which bolt protrudes in the mounted on the plate state of Querpressvorides in one of the holes, and that a plurality Querpressvoruzeen on the Plate can be fastened in different position.
  • the transverse pressing devices can be used in predetermined positions for specific die arrangements without having to carry out large orientations of the transverse pressing devices.
  • the holes in the plate corresponding threaded holes are assigned, in which clamping screws are screwed, which are held in corresponding recesses in the context of each transverse pressing device.
  • the transverse pressing devices in the corresponding positions on the plate can be fastened in a simple manner.
  • the recesses for receiving the clamping screws in the transverse pressing device are slot-shaped, so that the patch on the plate transverse pressing device each slightly pivoted about the bolt and thus can be aligned with respect to the die, after which the cross pressing device on the plate on the clamping screws can be fixed.
  • Fig. 1 is shown in a schematic representation of the lower punch assembly 1, which is designed as an adapter and can be used in a known manner in the lower part of a powder press, not shown.
  • a plate 2 is placed, on which a die assembly 3 is attached.
  • transverse pressing devices 4 can be fastened, which are each equipped with a Querpressstkov 5, which are linearly driven by a drive, which will be described in detail later.
  • These transverse punches 5 are guided through openings 6 in the die 7 of the die assembly 3, they open in the mold cavity 8, which is formed in the die assembly 3, and in which the metal powder is fillable and is formed during the pressing process in a known manner to the corresponding compact.
  • two transverse press devices 4 are arranged on the plate 2, of course, depending on the type of compact, which is to be produced, and the correspondingly formed die, for example, two to six transverse pressing devices are arranged.
  • a Playlist is placed in a known manner, not shown, including on the plate 2 columns 9 are mounted on which Playschuhplatte in a known manner the filling shoe is slidably mounted, with which the mold cavity 8 are filled with metal powder can.
  • the drives of the transverse pressing devices each have a hydraulic cylinder, to supply these hydraulic cylinders hydraulic lines 10 are attached, which are connected in a known, not shown manner with the hydraulic system of the powder press and their valves in a known manner via a control unit the powder press can be controlled.
  • Fig. 2 the arrangement of three transverse pressing devices 4 on the plate 2 is shown.
  • the transverse compression punches 5 of these transverse pressing devices 4 protrude into the die 7, the die 7 is divided in the present embodiment, the individual parts of this die 7 are inserted into a die ring 11, through the divisions of the die 7 are the corresponding openings 6 for the cross press die. 5 educated.
  • the plate 2 is provided with a plurality of bores 12, these bores 12 serve to receive a bolt 13 (FIG. Fig. 7 ) which is attached to each transverse pressing device 4 and protruding at the bottom, whereby the transverse pressing devices 4 can be positioned on the plate 2.
  • Each of these holes 12 are associated with two threaded holes 14, which are embedded in the plate 2, and in which clamping screws 15th can be screwed, with which the transverse pressing devices 4 can be mounted on the plate 2.
  • clamping screws 15 4 recesses 16 are mounted in the transverse pressing devices, which are slit-shaped, so that each transverse pressing device 4 to the bolt 13 (Fig. Fig.
  • Fig. 3 shows a cross-pressing device 4.
  • This transverse pressing device 4 comprises a frame 18, in which the drive, which is designed as a linear drive, is held, as will be described in detail later.
  • a first wedge 19 is displaceable in one direction, represented by the double arrow 20.
  • This first wedge 19 is guided along a linear guide track 21, which is aligned parallel to the displacement direction, represented by the double arrow 20.
  • This linear guide track 21 is attached to the cover plate 25, which is screwed onto the frame 18.
  • This second wedge 24 is also linearly displaceable, in the direction which is aligned at right angles to the direction of displacement of the first wedge 19, represented by the double arrow 20, which direction is represented by a double arrow 26.
  • the direction represented by the double arrow 26 also corresponds to the transverse pressing direction, with which the cross-pressing punch 5, not shown, (FIG. Fig. 1 and 2 ) is displaceable.
  • the first wedge 19 along the linear guide track 21 thus the second wedge 24 moves in the direction of the double arrow 26, guided by the likewise mounted in the cover plate 25 linear guides 27.
  • a coupling device 28 attached, with Which of the transverse press dies 5, not shown, ( Fig. 1 and 2 ), these transversal punches are easily interchangeable.
  • Fig. 4 shows the transverse press 4 according Fig. 3 , wherein here the cover plate 25 is omitted.
  • the first wedge 19 cooperates with a third wedge 29, wherein the first wedge 19 is provided with a further wedge surface 30, which comes to rest with the wedge surface 31 of the third wedge 29.
  • This third wedge 29 serves as a stop for the first wedge 19, this stop being adjustable, as will be seen later.
  • Fig. 5 shows the frame 18 of the cross-pressing device 4, with the arrangement of the first wedge 19, the second wedge 24 and the third wedge 29.
  • the third wedge 29 is provided with a web 32 which is shown in the frame 18 transversely to the direction of displacement of the first wedge 19 held by the double arrow 20, slidably guided.
  • In the frame 18 and in the cover plate 25 is provided with a threaded bore 33, into which a screw 34 is screwed. By turning this screw 34, the wedge 29 moves transversely to the direction of displacement of the first wedge 19, whereby the position of the first wedge 19 in Fig. 5 can be set down. This position also corresponds to the fully extended position of the second wedge 24 and consequently of the transverse punch 5 (FIG. Fig. 1 and 2 ).
  • the transverse punch In this position, the transverse punch is in the pressing position.
  • the position of the transverse press ram in the press position can be positioned very accurately by displacing the third wedge 29.
  • the position of the second wedge 24 and consequently of the transverse pressing ram 5 is scanned in a known manner by means of measuring means 35 mounted on the frame 18 of the transverse pressing device 4, the corresponding signal being forwarded to the machine control in a known manner.
  • Fig. 6 shows the drive 36, with which the first wedge 19, the second wedge 24 and thus the cross press die 5 are displaceable.
  • This drive 36 comprises a arranged in the frame 18 of the transverse pressing device 4 hydraulic cylinder 37, in which a piston 38 is slidably mounted with a piston rod 39 attached thereto. About appropriate Actuation of the piston 38, this is pushed forward or back in the hydraulic cylinder 37.
  • the recesses 16 can be seen, which are slit-shaped, in which the clamping screws 15 are screwed, with which the transverse pressing device 4 can be fastened.
  • Fig. 7 again shows the drive 36, which is arranged in the frame 18 of the transverse pressing device 14.
  • a bracket 40 is fixed, which is connected to the first wedge 19.
  • the first wedge 19 can be displaced, the press position as shown in FIG Fig. 7 Incidentally, as shown in all the preceding figures, it is determined by the third wedge 29.
  • Fig. 8 shows the cross-pressing device 4, accordingly Fig. 3 but with the second wedge 24, and thus the cross press die, not shown, in the retracted position.
  • the first wedge 19 is therefore also retracted, that is, the further wedge surface 30 of the first wedge 19 is spaced from the wedge surface 31 of the third wedge 29.
  • Fig. 9 shows the cross-pressing device 4 in the in Fig. 8 shown position, in which case the cover plate 25 has been omitted.
  • Fig. 10 shows the cross-pressing device 4 in the corresponding position according to Fig. 8 and Fig. 9 ,
  • FIG Fig. 11 The same position in which the cross punch is retracted is in FIG Fig. 11 shown.
  • the piston 38 is in the retracted position in the hydraulic cylinder 37. Accordingly, the piston rod 39 and the bracket 40 attached thereto are also in the retracted position.
  • the first wedge 19 can be seen, which is equipped with a step 41 on which gradation 41 bolts 42 are arranged.
  • the second wedge 24, the in Fig. 13 is not shown, is provided with one of the gradation 21 corresponding recess, in this recess a groove is recessed into which the bolts 42 protrude.
  • the second wedge 24 is coupled to the first wedge 19, when retracting the first wedge 19 and retracting the cross press die from the die, the second wedge 24 is forcibly also retracted via this connection.
  • a powder press can be equipped with a plurality of transverse pressing devices, which can be positioned and fastened on the corresponding plate in a very variable number of ways. This gives a wide variety of producible on this powder pressings, a conversion is in each case in a simple manner feasible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Press Drives And Press Lines (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Punching Or Piercing (AREA)

Claims (9)

  1. Presse à poudre pour la fabrication d'une pièce pressée (17) en poudre de métal, comprenant un dispositif supérieur de poinçon, un dispositif inférieur de poinçon (1) et un dispositif de matrice (3) qui forme la cavité du moule (8) dans lequel la poudre de métal peut être remplie et ensuite pour former la pièce pressée (17), le dispositif supérieur de poinçon et le dispositif inférieur de poinçon (1) peuvent être pressés dans la direction de presse l'un contre l'autre, commandée par une unité de commande et le dispositif inférieur de poinçon (1) étant muni d'une plaque (2) sur laquelle est placé le dispositif de matrice (3) et plaque (3) sur laquelle sont fixés des dispositifs transversaux de presse (4), qui sont munis respectivement d'un poinçon de presse transversal (5) qui peut être entrainé par un entrainement (36) de manière linéaire et qui peut être pressé par une ouverture (6) dans la matrice (7) sensiblement transversalement à la direction de presse dans la direction transversale de presse à l'intérieur de la cavité du moule (8) dans une position de presse et peut être retiré de cette position, caractérisé en ce que l'entrainement (36) de chaque dispositif de presse transversal (4) un entrainement linéaire (37, 38) avec une partie (37) immobile, fixée sur le cadre (18) du dispositif de presse transversal (4) et une partie mobile (38) linéairement par rapport à la partie fixe (37), partie mobile linéairement (38) qui est reliée à une première clavette (19) dont la surface de clavette (22) agit sur la surface de clavette (23) d'une seconde clavette (24) qui est mobile dans la direction transversale de presse sensiblement en angle droit par rapport à la première clavette (19).
  2. Presse à poudre selon la revendication 1, caractérisée en ce que la première clavette (19) et la seconde clavette (24) sont mobiles le long de glissières de guidage linéaire (21; 27) placées sur le cadre (18) du dispositif transversal de presse (4).
  3. Presse à poudre selon l'une des revendications 1 ou 2, caractérisée en ce que la position de presse du poinçon transversal de presse (5) est déterminable par une butée réglable (29).
  4. Presse à poudre selon la revendication 3, caractérisée en ce que la butée est formée par une troisième clavette (29) réglable transversalement à la direction de déplacement de la première clavette (19), clavette qui est guidée dans le cadre (18) et dont la surface de clavette (31) coopère avec une autre surface de clavette (30) de la première clavette (19).
  5. Presse à poudre selon l'une des revendications 1 à 4, caractérisée en ce que la position de presse du poinçon transversal de presse (5) est déterminable par des moyens de mesure (35) par rapport au dispositif de matrice (3) et est transmettable à l'unité de commande.
  6. Presse à poudre selon l'une des revendications 1 à 5, caractérisée en ce que chaque poinçon transversal de presse (5) est maintenu par un dispositif d'accouplement (28) dans le dispositif transversal respectif de presse (4).
  7. Presse à poudre selon l'une des revendications 1 à 6, caractérisée en ce que chaque dispositif transversal de presse (4) est muni d'un boulon saillant (13) et en ce que la plaque (2) est munie de plusieurs perçages (12), boulon (13) qui s'engage dans l'un des perçages (12) quand le dispositif transversal de presse (4) est placé sur la plaque (2) et en ce que plusieurs dispositifs transversaux de presse (4) peuvent être fixés sur la plaque (2) dans différentes positions.
  8. Presse à poudre selon la revendication 7, caractérisée en ce que des perçages (12) dans la plaque (2) sont associés à des perçages de filetage correspondants (14) dans lesquelles des vis de serrage (15) peuvent être vissées, lesquelles sont maintenues dans des évidements (16) correspondants dans le cadre (18) de chaque dispositif transversal de presse (4).
  9. Presse à poudre selon la revendication 8, caractérisée en ce que les évidements (16) sont réalisés en forme de fente.
EP08152858A 2008-03-17 2008-03-17 Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal Not-in-force EP2103423B8 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE502008002806T DE502008002806D1 (de) 2008-03-17 2008-03-17 Pulverpresse zur Herstellung eines Presslings aus Metallpulver
ES08152858T ES2362317T3 (es) 2008-03-17 2008-03-17 Prensa de polvo para la fabricación de una pieza prensada de polvo metálico.
EP08152858A EP2103423B8 (fr) 2008-03-17 2008-03-17 Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal
AT08152858T ATE500958T1 (de) 2008-03-17 2008-03-17 Pulverpresse zur herstellung eines presslings aus metallpulver
CN200980109339.2A CN101977760B (zh) 2008-03-17 2009-03-12 用于从金属粉末制造压制品的粉末压机
PCT/EP2009/052905 WO2009115444A1 (fr) 2008-03-17 2009-03-12 Presse à poudre pour la fabrication d’un objet pressé en poudre métallique
JP2011500155A JP5479445B2 (ja) 2008-03-17 2009-03-12 金属粉末から成形体を製造するための粉末プレス機
KR1020107022324A KR101484645B1 (ko) 2008-03-17 2009-03-12 금속 분말 성형체 제조용 분말 프레스
US12/922,871 US8523550B2 (en) 2008-03-17 2009-03-12 Powder press for the manufacture of a metal powder compact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08152858A EP2103423B8 (fr) 2008-03-17 2008-03-17 Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal

Publications (3)

Publication Number Publication Date
EP2103423A1 EP2103423A1 (fr) 2009-09-23
EP2103423B1 true EP2103423B1 (fr) 2011-03-09
EP2103423B8 EP2103423B8 (fr) 2011-06-15

Family

ID=39619045

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08152858A Not-in-force EP2103423B8 (fr) 2008-03-17 2008-03-17 Presse à poudre destinée à la fabrication d'une pièce pressée en poudre de métal

Country Status (9)

Country Link
US (1) US8523550B2 (fr)
EP (1) EP2103423B8 (fr)
JP (1) JP5479445B2 (fr)
KR (1) KR101484645B1 (fr)
CN (1) CN101977760B (fr)
AT (1) ATE500958T1 (fr)
DE (1) DE502008002806D1 (fr)
ES (1) ES2362317T3 (fr)
WO (1) WO2009115444A1 (fr)

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US8062014B2 (en) 2007-11-27 2011-11-22 Kennametal Inc. Method and apparatus using a split case die to press a part and the part produced therefrom
DE102010048183A1 (de) 2010-10-13 2012-04-19 Komage-Gellner Maschinenfabrik Kg Presse und Verfahren zur Herstellung eines Formlings aus pulverförmigem Material
EP2551097A1 (fr) 2011-07-28 2013-01-30 Osterwalder AG Presse à poudre
CN102909822B (zh) * 2011-08-01 2014-06-04 刘军 电动全方位数控注塑机
WO2014090226A1 (fr) * 2012-12-14 2014-06-19 Dorst Technologies Gmbh & Co. Kg Dispositif de compression de poudre céramique et/ou métallique pour le moulage par compression d'une pièce
DE102012024503A1 (de) * 2012-12-14 2014-06-18 Dorst Technologies Gmbh & Co. Kg Keramik- und/oder Metallpulver-Pressenanordnung zum Pressen eines Formteils
DE102013109157B4 (de) 2013-08-23 2016-06-09 Fette Compacting Gmbh Presse zur Herstellung von Presslingen aus pulverförmigem Material
CH710828B1 (de) 2015-03-05 2019-06-28 Dietmar W Kramer Dr Sc Techn Eth Phd Pulverpresse sowie ein Futtergehäuse mit vorzugsweise mehreren für ein Querpressen verschiebbaren Stempeln.
US10151383B2 (en) 2016-07-26 2018-12-11 Toyota Motor Engineering & Manufacturing North America, Inc. Braze retention feature for a carrier assembly
US10107384B2 (en) 2016-07-26 2018-10-23 Toyota Motor Engineering & Manufacturing North America, Inc. Two-piece sintered metal ravigneaux carrier
US9869385B1 (en) 2016-07-26 2018-01-16 Toyota Motor Engineering & Manufacturing North America, Inc. Powder metal net shape alignment feature
US10428931B2 (en) 2017-02-27 2019-10-01 Toyota Motor Engineering & Manufacturing North America, Inc. Braze preform for powder metal sintering
CN109277565B (zh) * 2018-11-20 2021-02-26 株洲钻石切削刀具股份有限公司 一种粉末成型装置及成型方法
IT201900012960A1 (it) * 2019-07-26 2021-01-26 Mecolpress S P A Apparecchiatura per lo stampaggio di materiali.
CN111360248B (zh) * 2020-03-31 2023-04-18 珠海精磁新材料技术有限公司 一种改进型一模多腔粉末冶金成型模具
KR102203198B1 (ko) 2020-04-27 2021-01-14 김병하 듀얼 복합 성형 장치
CH717734B1 (de) * 2020-08-11 2024-02-29 Dr Sc Tech Dietmar W Kramer Pulverpresse zur Herstellung von Presslingen.
CN112549623B (zh) * 2020-10-22 2022-07-15 中钢新型材料股份有限公司 一种单晶炉生产用两组粉料连续式成型生产线及其方法
CN112458384B (zh) * 2020-11-25 2022-08-02 浙江炜烨晶体纤维有限公司 一种采用多晶莫来石纤维保温的放电等离子烧结模具
CN114082947B (zh) * 2021-10-27 2024-05-14 株洲钻石切削刀具股份有限公司 粉末成型装置及粉末成型方法
CN114289712B (zh) * 2021-12-28 2024-01-26 贵阳立特精密机械有限公司 一种粉末同步成型机

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WO2009115444A1 (fr) 2009-09-24
US8523550B2 (en) 2013-09-03
KR101484645B1 (ko) 2015-01-21
DE502008002806D1 (de) 2011-04-21
ATE500958T1 (de) 2011-03-15
JP2011514260A (ja) 2011-05-06
KR20100116231A (ko) 2010-10-29
US20110027400A1 (en) 2011-02-03
CN101977760B (zh) 2014-01-22
EP2103423A1 (fr) 2009-09-23
EP2103423B8 (fr) 2011-06-15
CN101977760A (zh) 2011-02-16
ES2362317T3 (es) 2011-07-01

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