B665牛头刨床只有起动和停止两个电气控制按钮,要使电机产生点动,需略有先后地按下这两个按钮.新工人操作时,不是电机不转,就是滑枕冲得太远,有时还撞坏刀具和工件,产生事故.工人们要求增加一个点动开关. 要增加点动开关,需增加交流接触器和三按钮开关盒各一个,配电盒也要重新布置,原两按钮开关盒则无用.这样需化几十元钱,要 B665 shaper only start and stop the two electrical control buttons, to make the motor produce jog, need to press the two buttons slightly.New worker operation, not the motor does not turn, or ram rushed too far, Sometimes also crashes the cutter and the work piece, creates the accident.The worker requests to add a jog switch.If increases the jog switch, must increase the exchange contactor and the three button switch box each one, the electric box also must rearrange, the original two buttons Switch box is useless.This need to dozens of dollars, to