FIELD: tools for plastic working of metals, possibly for making thin-wall envelopes.
SUBSTANCE: die set includes upper and lower plates. Punch holders where punches with cutting edges are mounted are arranged in upper plate. Lower plate includes die unit, unit with holes for removing blank and guides for punches. Dies with cutting edges and working window are mounted in die unit. Die set may have several punches and dies but no more than five. Dies, punches with punch holders and punch guides are mounted with possibility of rotation and they are provided with rotary pinions and members for fixing their rotation angle. Rotary pinions are mounted in upper part of punches. Members for fixing rotation angle of punches are arranged in punch holders. Graduations of punch rotation angle, of guides of punches with rotary pinions and dies with rotary pinions are applied onto punch guides.
EFFECT: improved efficiency of die set due to shortening time period of operation for trimming festoons at making thin-wall envelopes.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR DRAWING CYLINDRICAL SHELLS FROM SHEET METALS WITH PLANE ANISOTROPY OF MECHANICAL PROPERTIES | 2018 |
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RU2691016C1 |
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| BLANKING DIE FOR MULTIPOSITION EXTRUDING | 0 |
|
SU1787623A1 |
| DEVICE FOR EXTRACTING SHELLS FROM SHEET WORKPIECES OF SQUARE SHAPE | 2019 |
|
RU2714017C1 |
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|
RU2312744C2 |
| 0 |
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SU415067A1 | |
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|
SU1590170A1 |
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|
RU2240887C1 |
| CARRIAGE TO APPARATUS FOR CUTTING BLANKS | 0 |
|
SU1069907A1 |
