FIELD: metal working, possibly electromechanical working of thread.
SUBSTANCE: tool unit includes two rollers with plane-parallel ends and with working profile at apex; insulation turnbuckle having left and right threads. Tool rollers are adjusted according to profile of worked thread and they are mutually spaced by distance multiple to thread pitch. Insulation turnbuckle may be screwed onto braces for adjusting errors of roller adjustment. End portions of braces are jointly mounted with gap between end surfaces of tool rollers and they may be rotated relative to rollers. Said rollers are mounted according to condition of separate adjustment of their pressing to blank.
EFFECT: improved efficiency and reliability of electromechanical working process.
1 dwg
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