FIELD: plastic working of metals, namely tools for working shaped sections.
SUBSTANCE: drawing die includes holder with two basic planes and supporting planes; lateral working inserts; end wedges, namely: first main wedge moved by means of adjustment screw, second main wedge moved by means of pressure screw; compensation wedges; compensation plates; recesses of end working inserts. Angle values of wedges are normalized. Invention provides elimination of sharp release of tool stress at outlet of article from drawing duct.
EFFECT: enhanced accuracy of size of cross section of shaped product at finish drawing, increased resource of working inserts of drawing die, especially hard-alloy inserts.
7 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS FOR DRAWING TRIHEDRAL SHAPE | 2005 |
|
RU2282514C1 |
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|
SU710716A1 |
| 0 |
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SU427755A1 | |
| BUILD-UP DIE FOR DRAWING IN HYDRODYNAMIC FRICTION OF ARTICLES FROM DIFFICULT-TO-FORM ALLOYS | 2009 |
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| BUILTUP DRAWING DIE | 1993 |
|
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| DRAWING TOOL | 0 |
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SU1801632A1 |
| APPARATUS FOR PRODUCTION OF PATTERN PROFILES WITH CONCAVE PLANES | 1994 |
|
RU2074779C1 |
