| 摘要 |
1479576 Gear generating WERKZEUG-MASCHINENFABRIK OERLIKON - BUHRLE AG 17 March 1976 [27 March 1975] 10636/76 Heading B3K Apparatus for controlling the generating speed of the rolling cradle of a gear cutting machine comprises a rolling cradle 10 driven by a rotatable-speed motor for changing the generating speed and cam means 23-31 for controlling the speed of the variable speed motor in direct relationship to the position of the rolling cradle 10. The cam 23 is secured to the rolling cradle 10 and actuates a roller follower 26 attached to a plunger 27 having a rack portion 29 engaging with a pinion 30. The pinion 30 drives a rotary potentiometer 31 which is connected between a pair of potentiometers (39) and (33) Fig. 5 (not shown) to control the motion of the rolling cradle between the starting speed determined by potentiometer (39) and terminal speed by potentiometer (33). |
