FIELD: plastic metal working, namely, forming parts of tubular blanks. SUBSTANCE: die set for shaping tubular blanks includes die mounted in rigid casing, punch, working body made of loose material with low friction factor. Die set is provided with means for fluidizing loose material. Working body and die are made of electrically nonconducting material. EFFECT: uniform distribution of pressure along surface of formed blank, possibility of heating blank directly in die set, enlarged range of powders used as working body. 2 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
DIE SET FOR FORMING TUBULAR BLANKS | 1999 |
|
RU2176169C2 |
METHOD OF MAKING FITTING-OUT FOR HOT FORMING OF SHEET BLANKS | 1993 |
|
RU2101124C1 |
WORKING MEDIUM FOR TRAMSMITTING EFFORTS AT EXPANDING TUBE | 2000 |
|
RU2205086C2 |
DIE SET FOR SHAPING TUBULAR BLANKS | 2003 |
|
RU2252832C2 |
PROCESS TESTING SHEET METAL FOR TWO-AXES TENSION | 1996 |
|
RU2125255C1 |
BLANK FOR SHEET FORMING WITH USE OF RESISTANCE HEATING | 1993 |
|
RU2090286C1 |
GEAR TO TEST PIPE BILLET AT VARIOUS TEMPERATURES | 2000 |
|
RU2187794C2 |
APPARATUS FOR EXPANDING TUBULAR BLANKS | 1993 |
|
RU2097162C1 |
METHOD FOR HOT FORMING IN HYDRAULIC PRESSES | 1999 |
|
RU2167017C2 |
APPARATUS FOR FLANGING OPENINGS IN SHEET BLANKS | 1998 |
|
RU2152284C1 |
Authors
Dates
1997-10-27—Published
1996-02-09—Filed