发明授权
US4024757A Gear testing machine 失效
齿轮试验机

Gear testing machine
摘要:
A testing machine for bevel gears and hyperboloidal gears comprising a machine bed upon which there are displaceably arranged two headstocks each having a work spindle, and a manually actuatable device for displacing at least one headstock. The testing machine can be used as a lapping machine by the addition of a first automatic device for displacing at least one headstock, by the addition of a second automatic device for displacing at least one work spindle in its axial direction and by disconnecting the manually actuatable headstock displacing device.
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