Zhongjie boring machine t68 wire rope how to replace
When the motor is required to run at low speed, the limit switch XK is off, press the start button SB1, KM1, KM3, KM6 get electric action.
Reverse jog and forward jog similar to the operation by the SB4, contactor KM2 and KM6 with each other to complete the action.
Therefore, the three-phase power supply through the KM1 main contact, current limiting resistor R and contactor KM6 main contact with the motor M1, the motor at low speed rotation.
The forward and reverse jogs of the spindle are operated by buttons SB3 and SB4.
