FIELD: electrophysical working processes, namely tools for perforating sheet parts in order to make in it openings, mainly with rectangular cross section inclined by acute angle relative to part surface.
SUBSTANCE: tool-electrode includes holder to which set of plates is rigidly secured. There are teeth in lower part of each plate; said teeth are elemental electrodes with cross section corresponding to that of worked opening. Lateral faces of elemental electrodes are mutually parallel. Tapered portion of working end of elemental electrode is inclined to lateral faces by angle corresponding to inclination angle of perforated openings relative to surface of worked part. First half of working end of electrode adjoined to obtuse angle is flat one; other half is rounded one.
EFFECT: improved design of tool-electrode.
2 cl, 3 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| MULTIPLE-ELECTRODE TOOL | 2001 |
|
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|
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| 0 |
|
SU1780933A1 | |
| DIE FOR PIERCING PARTS FROM SHEET MATERIAL | 0 |
|
SU1532138A1 |
