FIELD: plastic working of metals, possibly forming by extrusion sleeve type articles used, namely for making envelopes of bimetallic products.
SUBSTANCE: punch includes stem portion and cylindrical working portion having on end face concentric turnings with depth in range 0.05 - 0.10 mm. Diameter of turning maximally spaced from punch axis does not exceed 0.7 diameter of end face of working portion of punch.
EFFECT: enhanced quality of formed articles.
3 dwg, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| BLANK OF BIMETALLIC ARTICLE ENVELOPE AND APPARATUS FOR ITS EMBODIMENT | 1999 |
|
RU2176569C2 |
| METHOD FOR MAKING HOLLOW DOUBLE-WALL SLEEVES AND APPARATUSES FOR PERFORMING THE SAME | 2002 |
|
RU2242310C2 |
| BLANK OF ENVELOPE OF LAMINATE ARTICLES AND APPARATUS FOR MAKING IT | 2001 |
|
RU2209705C2 |
| METHOD OF BIMETAL PARTS MANUFACTURE | 2006 |
|
RU2336152C2 |
| BIMETALLIC ARTICLES PRODUCTION METHOD | 2006 |
|
RU2304487C1 |
| BUILT-UP BLANKS OF BIMETALLIC ARTICLES CALIBRATION APPARATUS | 2006 |
|
RU2319588C2 |
| PUNCH FOR THIN SHELL EXTRUSION | 2007 |
|
RU2356678C1 |
| DIE FOR EXTRUSION OF THIN WALL SLEEVE-TYPE PARTS | 0 |
|
SU1007815A1 |
| METHOD OF MAKING CUP-TYPE PIECES | 0 |
|
SU1750845A1 |
| DEVICE FOR MANUFACTURING HOLLOW RING SLEEVE | 1992 |
|
RU2071864C1 |
