BROACHING APPARATUS Russian patent published in 1995 - IPC

FIELD: working of crankshafts. SUBSTANCE: apparatus has the carriage 2, on which the section 7 with chip separating members, the section 8 with cutting plates, the section 9 with ironing members, the section 10 for making regular microrelief are successively mounted. The chip separating members are in the form of splines with sizing strips, inclined by angle 70-90 degrees relative to a cross axis of the carriage 2. Each ironing member has a sizing strip, inclined by an angle, equal to 70-90 degrees, relative to a lengthwise axis of the carriage. Front, rear and lateral surfaces of the ironing members are arranged in planes, inclined relative to the sizing strips. The section 10 for making a regular microrelief is in the form of a ball head with a drive unit. EFFECT: enhanced structure. 1 cl, 15 dwg