FIELD: metallurgy.
SUBSTANCE: flat annular blanc is cut out and deformed by drawing with its bottom part clamped to form a prefabricated item. Then the clamp is brought down, and the item is flanged to obtain a finished bushing-type product.
EFFECT: enhanced performance.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIE FOR DRAWING AND FLANGING HOLLOW PARTS FROM METAL SHEETS | 2011 |
|
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| METHOD OF MANUFACTURING OF HOLLOW AXISYMMETRIC ITEMS WITH BORE AT BOTTOM | 2013 |
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|
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| METHOD OF STAMPING HALF-TORUS PARTS | 0 |
|
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| METHOD FOR DRAWING HOLLOW SHEET PARTS AND DRAWING DIE SET | 2000 |
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| METHOD FOR MANUFACTURE OF HOLLOW PARTS WITH FLANGE AND DEVICE FOR ITS EMBODIMENT | 1996 |
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| DIE SET FOR MAKING T-PIECES OF SHEET BLANKS | 1993 |
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| METHOD OF MANUFACTURE OF SMALL ARMS CARTRIDGE CASES | 1996 |
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| METHOD OF MANUFACTURING HOLLOW ARTICLES | 0 |
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SU1148672A1 |
| METHOD OF PRODUCING HOLLOW PARTS AND DIE FOR EFFECTING SAME | 0 |
|
SU1606232A1 |
