EP 2620238 A1 20130731 - Casting chamber for a die-casting machine
Title (en)
Casting chamber for a die-casting machine
Title (de)
Giesskammer für Druckgussmaschine
Title (fr)
Chambre de coulée pour machine de coulée sous pression
Publication
Application
Priority
EP 12152720 A 20120126
Abstract (en)
The casting chamber comprises a main body (20) made of steel, and a casting plunger (10) movably arranged in the main body, where the main body has a filling opening for molten metal, and an inner side of the main body is partially covered with an inlay (15) of materials containing zirconium dioxide. The inlay is shriveled into the main body. The inlay: is segmented, where the different segments are produced from the same material or from different materials; and comprises a structuring surface. The casting plunger comprises ceramic piston rings. The casting chamber comprises a main body (20) made of steel, and a casting plunger (10) movably arranged in the main body, where the main body has a filling opening for molten metal, and an inner side of the main body is partially covered with an inlay (15) of materials containing zirconium dioxide. The inlay is shriveled into the main body. The inlay: is segmented, where the different segments are produced from the same material or from different materials; and comprises a structuring surface. The casting plunger comprises ceramic piston rings. The piston rings are produced from the same material or from different materials. The casting chamber further comprises a solid lubricant (18). Independent claims are included for: (1) an inlay for a casting chamber; (2) a cold-chamber diecasting machine; and (3) a method for producing a casting chamber.
Abstract (de)
Die vorliegende Erfindung betrifft eine Giesskammer (9) für eine Kaltkammer-Druckgussmaschine (1), umfassend einen Grundkörper (20) aus Stahl oder Gusseisen, vorzugsweise Stahl, und einen im Grundkörper (20) beweglich angeordneten Giesskolben (10), wobei der Grundkörper (20) eine Einfüllöffnung (12) für Metallschmelze (11) aufweist, dadurch gekennzeichnet, dass die Innenseite des Grundkörpers (20) zumindest teilweise mit einem Inlay (15) aus einem oder mehreren Zirkoniumdioxid-haltigen Materialien bedeckt ist. Des weiteren betrifft die vorliegende Erfindung ein Inlay für eine Giesskammer, sowie eine Kaltkammer-Druckgussmaschine mit einer derartigen Giesskammer.
IPC 8 full level
B22D 17/08 (2006.01); B22D 17/20 (2006.01)
CPC (source: EP)
B22D 17/08 (2013.01); B22D 17/2023 (2013.01); B22D 17/203 (2013.01)
Citation (applicant)
- WO 2006089442 A1 20060831 - BUEHLER DRUCKGUSS AG [CH], et al
- US 7284592 B2 20071023 - YAMADA FUJIO [JP]
- WO 2010070053 A1 20100624 - BUEHLER DRUCKGUSS AG [CH], et al
Citation (search report)
- [XYI] EP 1405685 A1 20040407 - ORTMANN DRUCKGIESSTECHNIK GMBH [DE]
- [XY] JP 2000033468 A 20000202 - YAMAMOTO OSAMU, et al
- [XY] JP S5933128 A 19840222 - HITACHI METALS LTD
- [Y] JP H06179064 A 19940628 - HITACHI METALS LTD
- [Y] EP 0936010 A1 19990818 - DIDIER WERKE AG [DE]
- [Y] DATABASE WPI Week 197830, Derwent World Patents Index; AN 1978-54454A, XP002674113
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 12152720 A 20120126; EP 2013050097 W 20130104