FIELD: mechanical engineering. SUBSTANCE: method of slot bush type pieces production provides for production of initial blank with outer diameter equal to outer diameter of good piece and inner diameter equal to protrusions of slot hole, following cold pressing out of inner slots. Teeth full length formation is exercised during one processing run. Surplus volume of metal that is volume of slots pits is pressed out in direction opposite to punch movement direction. In the case blank length is produced equal to length of good piece. Then mechanical working of stamped blank is exercised. EFFECT: improved process. 5 dwg
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