FIELD: metallurgy.
SUBSTANCE: invention is referred to pressurised treatment of metal and particularly, to end cover shaping in metal containers. During manufacturing, cover shape and dimensions are controlled and support is ensured for, at least, part of the holding wall and rolled up panel of end cover. Simultaneously, hold-down groove of the end cover is compressed. For this purpose, special tooling and press-on bush are used arranged in appropriate manner.
EFFECT: improved quality die to improved resistance to deformations.
22 cl, 23 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CAN CONCAVE END COVER | 2017 |
|
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| SWAGING DIE | 0 |
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RU2544982C2 |
