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YU164190A - PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN SINGLE USE FOAM - Google Patents

PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN SINGLE USE FOAM

Info

Publication number
YU164190A
YU164190A YU164190A YU164190A YU164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A
Authority
YU
Yugoslavia
Prior art keywords
metal parts
procedure
under pressure
pressure
single use
Prior art date
Application number
YU164190A
Other languages
Serbo-Croatian (sh)
Serbian (sr)
Other versions
YU47435B (en
Inventor
M. Garat
Original Assignee
Aluminium Pechiney
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 Aluminium Pechiney filed Critical Aluminium Pechiney
Priority to YU164190A priority Critical patent/YU47435B/en
Publication of YU164190A publication Critical patent/YU164190A/en
Publication of YU47435B publication Critical patent/YU47435B/en

Links

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  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

POSTUPAK ZA LIVENJE METALNIH DELOVA POD PRITISKOM U PENU SA JEDNOKRATNOM UPOTREBOM, pronalazak se odnosi na postupak za ulivanje metalnih delova pod pritiskom u penu za jednokratnu upotrebu. Postupak se sastoji u tome da se primeni povecavajuci izostaticki gasni pritisak na kalup po njegovom punjenju, tako da taj pritisak stvara brzo i blagovremeno, sa gubljenjem punjenja kroz pesak, nadpritisak istopljenog metala u odnosu na pesak na nivou njihoivih dodirnih povrsina. Taj nadpritisak dostize vrednost izmedju dve granice sa tendencijom smanjivanja, zatim se postepeno povecava i na kraju odrzava konstantnim do potpunog ocvrscaanja metalnog dela. Predlozeni pronalazak se primenjuje za proizvodnju delova od aluminijumskih legura koji imaju poboljsanu povrsinu bez gasnih mehurova i bez ucesca ugljenika.A method for casting disposable metal parts into pressure in a disposable foam. The process consists in applying an increasing isostatic gas pressure to the mold after its filling, so that this pressure creates a rapid and timely, with loss of filling through the sand, overpressure of molten metal relative to the sand at the level of their contact surfaces. This overpressure reaches a value between the two limits with a tendency to decrease, then gradually increases and finally remains constant until the metal part hardens completely. The present invention is applicable to the production of aluminum alloy parts having an improved surface without gas bubbles and without the participation of carbon.

YU164190A 1990-08-29 1990-08-29 PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN FOAM USE YU47435B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
YU164190A YU47435B (en) 1990-08-29 1990-08-29 PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN FOAM USE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU164190A YU47435B (en) 1990-08-29 1990-08-29 PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN FOAM USE

Publications (2)

Publication Number Publication Date
YU164190A true YU164190A (en) 1994-06-24
YU47435B YU47435B (en) 1995-03-27

Family

ID=47430284

Family Applications (1)

Application Number Title Priority Date Filing Date
YU164190A YU47435B (en) 1990-08-29 1990-08-29 PROCEDURE FOR CASTING METAL PARTS UNDER PRESSURE IN FOAM USE

Country Status (1)

Country Link
YU (1) YU47435B (en)

Also Published As

Publication number Publication date
YU47435B (en) 1995-03-27

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