| 摘要 |
PURPOSE: To improve the transmission accuracy of a program, by adopting the differential gar train of a program control device as an impulse gear, and transmitting impulse to a predetermined effective region of the period of a member for programming. CONSTITUTION: A differential gear train 7 of a periodic electric machine program control device is constituted of an impulse wheel 26 driven by a motor- reduction gear unit 6, and an output gear 5 and a driven gear 9: fitted coaxially with the wheel 26. A conductive brush 11, and tracks 12, 13, and 14, etc., contacting with the brush 11, are arranged coaxially with the gear 9. Gaps 15 and 16 are provided in a region, wherein these tracks 12, 13, and 14 are given, to be connected to an electric control box 18 through a wiring 19, thereby connecting the unit 6 to the box 18. A control impulse is transmitted only to a predetermined effective region of the period of a member for programming to be transmitted to a programmed member. |
