FIELD: plastic working of metals, in particular, deformation of sheet blanks by electric contact heating. SUBSTANCE: rectangular sheet blank has transverse slots extending along mid portion edges, which are fixed in current supplying clamps. EFFECT: improved quality of parts without increase in sizes of blanks. 3 dwg
Title | Year | Author | Number |
---|---|---|---|
BLANK FOR SHEET FORMING WITH USE OF RESISTANCE HEATING | 1995 |
|
RU2090287C1 |
APPARATUS FOR FORMING PARTS AT RESISTANCE HEATING OF BLANKS | 1995 |
|
RU2087240C1 |
METHOD OF MAKING FITTING-OUT FOR HOT FORMING OF SHEET BLANKS | 1993 |
|
RU2101124C1 |
BLANK FOR SHEET FORMING WITH USE OF RESISTANCE HEATING | 1993 |
|
RU2090286C1 |
METHOD OF STRETCHING SHEET BLANKS | 1992 |
|
RU2057607C1 |
METHOD FOR STRETCHING ELONGATED VARIABLE-SIGN CURVATURE FACINGS AND APPARATUS FOR PERFORMING THE SAME | 1996 |
|
RU2123403C1 |
METHOD FOR FLANGING OPENINGS IN SHEET BLANK | 1998 |
|
RU2153405C2 |
DIE SET FOR SHAPING TUBULAR BLANKS | 1996 |
|
RU2094155C1 |
APPARATUS FOR FLANGING OPENINGS IN SHEET BLANKS | 1998 |
|
RU2152284C1 |
TITANIUM ALLOY PIPE EXPANDING DIE | 1996 |
|
RU2104815C1 |
Authors
Dates
1997-11-10—Published
1993-04-28—Filed