FIELD: plastic metal working, possibly drawing and contour trimming of allowance of parts with use of elastic medium. SUBSTANCE: apparatus includes die having elastic medium, punch holder with punch mounted in holder through elastic sleeve. Punch holder is mounted on upper plate and it is provided with metallic sleeve having cutting edge. Elastic medium is in the form of disc pressed into die. Apparatus allows at one stroke of press to perform drawing of part, to trim allowance along contour and to make in zone of joining with wall portion thickened by 8-23% of blank thickness. EFFECT: enhanced quality and reliability, increased useful life period and improved strength of parts. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS FOR DRAWING AND TRIMMING PARTS | 2000 |
|
RU2194590C2 |
| PART BLANKING, DRAWING AND TRIMMING APPARATUS | 2003 |
|
RU2240887C1 |
| METHOD FOR FORGING HOLLOW PARTS | 1997 |
|
RU2157287C2 |
| APPARATUS FOR STRENGTHENING PARTS WITH USE OF ELASTIC MEDIUM | 2000 |
|
RU2175585C2 |
| APPARATUS FOR STRENGTHENING PARTS BY ELASTIC MEDIUM | 1999 |
|
RU2170634C1 |
| GEAR FOR DIE-STAMPING BY ELASTIC MEDIUM | 2000 |
|
RU2173230C1 |
| METHOD FOR MAKING HOLLOW PARTS WITH BRANCHES | 2001 |
|
RU2208492C2 |
| METHOD OF FORMING BY ELASTIC MEDIUM | 1994 |
|
RU2086329C1 |
| APPARATUS FOR FORMING PARTS WITH CURVILINEAR BEAD BY MEANS OF ELASTIC MEDIUM | 2002 |
|
RU2232659C2 |
| HOLLOW PART FORMING METHOD | 1994 |
|
RU2086331C1 |
