EP2776237B1 - Procédé et presse de compression d'une pièce constituée d'au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents - Google Patents
Procédé et presse de compression d'une pièce constituée d'au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents Download PDFInfo
- Publication number
- EP2776237B1 EP2776237B1 EP12816229.4A EP12816229A EP2776237B1 EP 2776237 B1 EP2776237 B1 EP 2776237B1 EP 12816229 A EP12816229 A EP 12816229A EP 2776237 B1 EP2776237 B1 EP 2776237B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punches
- columns
- die
- adjustment
- die opening
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 51
- 238000003825 pressing Methods 0.000 title claims description 41
- 239000000919 ceramic Substances 0.000 title claims description 20
- 239000008187 granular material Substances 0.000 title claims description 15
- 239000002184 metal Substances 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims description 135
- 239000000843 powder Substances 0.000 claims description 39
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- B30B11/027—Particular press methods or systems
Definitions
- US 2004/113319 A1 relates to a method in which a shaped body is pressed from different materials. For different production steps, lower press punches are adjusted individually. A body partially manufactured by stamping on the lower side is subsequently displaced uniformly vertically from the lower-side stamps.
- a die 20 is arranged, which has a die opening 21.
- the die opening 21 is used to fill the powdery and / or granular material P1 - p3, in particular ceramic powder and / or metal powder, by means of a filling 26.
- a filling 26 Under such a material or powder is in a broader sense, a granulate or a mixture of fine-grained To understand powder and granular material.
- a filling of the matrix calculation 21 with the first material p1 is sketched.
- An upper edge of the die 20 is located here, for example, a piece above an exemplary zero-pressing position h0.
- the first lower-side punch 22 is raised to a height h1 as an intermediate height of the first lower-side punch 22 for this process step 1.
- This height h1 is located below the upper edge of the die 20, so that above the first punch 22, a space of the die opening 21 which can be filled with the material p1 is formed.
- the second lower-side punch 23 is disposed adjacent to the first lower-side punch 22 and further offset from the inside die wall of the die 20 inwardly toward the die opening 21.
- third material p3 is filled.
- the third material may optionally also be the same material as in the first filling step.
- the described method steps represent purely by way of example selected times of a pressing cycle for a compact 30.
- individual ones may also be used these process steps are omitted or added further process steps.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Claims (12)
- Procédé pour fabriquer par compression un corps comprimé (30) à partir d'au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents (p1, p2, p3), selon lequel- un premier matériau de ce type (p1 ; p2) est rempli (1 ; 4) dans une ouverture de matrice (21) d'une matrice (20),- au moins deux poinçons supérieurs (22, 24) sont appliqués (2 ; 5) au moins temporairement sur le matériau (p1 ; p2) dans l'ouverture de matrice (21),- des poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus sont déplacés (2 - 3 ; 5 - 6) à des hauteurs différentes le long d'une direction de compression conjointement avec les colonnes de matériau situées entre eux,- après relevage des poinçons de compression (24, 25) disposés sur le dessus, le deuxième matériau (p2 ; p3) est rempli (4 ; 7) dans l'ouverture de matrice (21),- pour finir, le matériau (p1 ; p2) est soumis à la compression finale (9 - 10) au moyen desdits au moins deux poinçons supérieurs (24, 25),- sachant que les colonnes de matériau sont, avant leur premier déplacement relatif (2 - 3), pré-comprimées entre les poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus.
- Procédé selon la revendication 1, selon lequel le déplacement des poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus est effectué conjointement avec les colonnes de matériau situées entre eux jusqu'à la perte (2 ; 5) du contact entre les colonnes de matériau mutuellement voisines.
- Procédé selon la revendication 2, selon lequel le déplacement des poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus est effectué conjointement avec les colonnes de matériau situées entre eux jusqu'à ce que les colonnes de matériau mutuellement voisines ne présentent plus (2) de contact entre elles.
- Procédé selon la revendication 2 ou 3, selon lequel, à la suite de la perte du contact, les poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus sont déplacés conjointement avec les colonnes de matériau situées entre eux dans une position dans laquelle le deuxième matériau (p2 ; p3) est rempli (4 ; 7).
- Procédé selon l'une des revendications précédentes, selon lequel le déplacement est effectué à des hauteurs différentes indépendamment de l'atteinte intermédiaire d'une deuxième position de remplissage consécutive pour le deuxième matériau (p2 ; p3).
- Procédé selon l'une des revendications précédentes, selon lequel le déplacement s'effectue au cours d'une étape intercalée au-delà de la position de remplissage, ou dans une direction opposée à la direction de la position de remplissage consécutive.
- Procédé selon l'une des revendications précédentes, selon lequel un/le déplacement pour la perte du contact latéral des colonnes de matériau est effectué indépendamment de l'atteinte intermédiaire d'une deuxième position de remplissage consécutive pour le deuxième matériau (p2 ; p3).
- Procédé selon l'une des revendications précédentes, selon lequel les colonnes de matériau situées entre les poinçons de compression (22, 23, 24, 25) disposés sur le dessous et sur le dessus sont pré-comprimées pendant ou après un premier déplacement relatif (3) des colonnes de matériau.
- Procédé selon l'une des revendications précédentes, selon lequel au moins un des poinçons inférieurs et des poinçons supérieurs (22, 24) présente respectivement une configuration annulaire ou est réalisé avec une ouverture de passage située à l'intérieur, pour le passage d'au moins un autre poinçon inférieur ou supérieur (23, 25).
- Dispositif avec- une matrice (20) dotée d'une ouverture de matrice (21),- sur le dessous, au moins deux poinçons (22, 23) se dressant dans l'ouverture de matrice (21),- sur le dessus, au moins deux poinçons (24, 25) pouvant être introduits dans l'ouverture de matrice (21),- un équipement de remplissage (26) pour remplir l'ouverture de matrice (21) avec au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents (p1, p2), et- un équipement de commande (27), sachant que l'équipement de commande est configuré et/ou programmé pour la mise en oeuvre d'un procédé selon l'une des revendications précédentes.
- Dispositif selon la revendication 10, qui est réalisé sous la forme d'une presse pour pulvérulents céramiques et/ou métalliques avec des poinçons de presse comme poinçons (22, 23, 24, 25).
- Support de données sur lequel est enregistré un programme qui est programmé pour la mise en oeuvre du procédé selon l'une des revendications 1 à 9 dans un dispositif selon la revendication 10 ou 11.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011118054A DE102011118054A1 (de) | 2011-11-09 | 2011-11-09 | Verfahren und Presse zum Pressen eines Presskörpers aus zumindest zwei verschiedenen metallischen und/oder keramischen pulver-und/oder granulatförmigen Materialien |
PCT/DE2012/001083 WO2013067995A1 (fr) | 2011-11-09 | 2012-11-09 | Procédé et presse de compression d'une pièce constituée d'au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2776237A1 EP2776237A1 (fr) | 2014-09-17 |
EP2776237B1 true EP2776237B1 (fr) | 2016-02-03 |
Family
ID=47562893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12816229.4A Active EP2776237B1 (fr) | 2011-11-09 | 2012-11-09 | Procédé et presse de compression d'une pièce constituée d'au moins deux matériaux métalliques et/ou céramiques pulvérulents et/ou granulaires différents |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2776237B1 (fr) |
DE (1) | DE102011118054A1 (fr) |
WO (1) | WO2013067995A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015201873A1 (de) | 2015-02-03 | 2016-08-18 | Gkn Sinter Metals Engineering Gmbh | Leises Zahnrad |
DE102016103051A1 (de) | 2016-02-22 | 2017-08-24 | Gkn Sinter Metals Engineering Gmbh | Pumpenanordnung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60258401A (ja) * | 1984-06-01 | 1985-12-20 | Toyota Motor Corp | 複層焼結部材の成形方法 |
JPH08506057A (ja) * | 1993-11-24 | 1996-07-02 | スタックポール リミテッド | アンダーカット割形ダイ |
JPH09202905A (ja) * | 1996-01-24 | 1997-08-05 | Dainatsukusu:Kk | 焼結によるシンクロナイザーリングの製造方法 |
US8211359B2 (en) * | 1999-07-29 | 2012-07-03 | Beane Glenn L | Method, system, and computer program for controlling a hydraulic press |
MXPA02012640A (es) * | 2000-06-20 | 2004-09-10 | Sanwa Kagaku Kenkyusho Co | Piezas moldeadas que tienen nucleo y metodos y aparato para fabricarlas. |
EP1440790A4 (fr) * | 2001-08-30 | 2005-11-02 | Sanwa Kagaku Kenkyusho Co | Dispositif de fabrication d'articles moules et article moule pouvant etre fabrique par ce dispositif |
KR20040073495A (ko) * | 2001-12-19 | 2004-08-19 | 가부시키가이샤산와카가쿠켄큐쇼 | 방출제어형 성형품 |
SE0203475A0 (en) * | 2002-01-25 | 2003-07-26 | Ck Man Ab | A method and an apparatus for producing multi-level or stepped components for shock (impact) compression of powdered material |
DE10254656B4 (de) | 2002-11-22 | 2005-10-13 | Dorst Technologies Gmbh & Co. Kg | Presseneinrichtung zum Herstellen maßhaltiger Presslinge mit zentraler Stempelabstützung |
DE102009042598A1 (de) * | 2009-09-23 | 2011-03-24 | Gkn Sinter Metals Holding Gmbh | Verfahren zur Herstellung eines Grünlings |
DE102009049845A1 (de) | 2009-10-19 | 2011-04-21 | Dorst Technologies Gmbh & Co. Kg | Metall- oder Keramikpulver-Presse und Steuerverfahren dafür |
-
2011
- 2011-11-09 DE DE102011118054A patent/DE102011118054A1/de not_active Withdrawn
-
2012
- 2012-11-09 WO PCT/DE2012/001083 patent/WO2013067995A1/fr active Application Filing
- 2012-11-09 EP EP12816229.4A patent/EP2776237B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
DE102011118054A1 (de) | 2013-05-16 |
EP2776237A1 (fr) | 2014-09-17 |
WO2013067995A1 (fr) | 2013-05-16 |
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