FIELD: plastic working of metals, in particular, series production of blanks. SUBSTANCE: apparatus has die, punch, pressure device for fixing thin sheet material, shell, point welding sheets, wear-resistant metal inserts, three-dimensional reinforcing grid, form, sheathing, and blank. Apparatus has capacity of up to several thousand pieces of stamped blanks and may be used for series production of, for example, stamped automobile body parts. EFFECT: increased efficiency and enhanced reliability in operation. 2 cl, 1 dwg
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|---|---|---|---|
| METHOD FOR MANUFACTURING DIES | 0 |
|
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