| 摘要 |
PURPOSE:To shorten the regulating time by moving second movable table integrally with first movable table and regulating the belt tension only between an intermediate pulley and the driven side pulley. CONSTITUTION:Upon motion of second movable table 5 through flat regulation shaft 14, first and second movable tables 2, 5 will move integrally in same direction over a fixed base 1 along a guide face 16 because they 2, 5 are coupled through second regulation shaft 15. Consequently, the distance between the axes of the pulley 4 of motor 3 and the first intermediate pulley 6 will never vary to regulate the belt tension between the motor pulley and the intermediate pulley without influencing the tension of first belt 9 resulting in shortening of regulating time. |
