1. The use and adjustment of headgear
The head frame of a CNC cylindrical grinder consists of a head frame box and a head frame base plate. The head frame box can rotate around the axis on the head frame base plate, and the angle of rotation can be read from the scale plate. The head rack dial can achieve segmented stepless speed regulation through a pulley and a frequency converter. The pre tension force of the triangular tape on one end of the headstock motor is adjusted by moving the headstock motor. The pre tightening force of the multi wedge belt on the headband dial is adjusted by rotating the eccentric sleeve. When rotating the eccentric sleeve, first loosen the set screw. After the eccentric sleeve is turned to the appropriate position, tighten the set screw.
The gap between the headstock spindle and the bearing is adjusted by rotating the scale sleeve, which rotates clockwise to increase the gap; On the contrary, the gap decreases. When using the pointed method for grinding, the gap can be reduced to zero to lock the spindle. When the spindle needs to rotate, there must be a corresponding gap between the spindle and the bearing, generally with a radius of 0.005mm. The scale of the scale sleeve indicates a gap of 0.001mm on the radius, and when rotating the scale sleeve, the idle amount of the scale sleeve must be removed. The headstock spindle of the CNC cylindrical grinder can be equipped with a three jaw chuck for chuck grinding of short shaft sleeves or disc parts.
2. Use and adjustment of tailstock
Turning the wrench can retract the tailstock socket. The foot pedal can automatically move the tailstock sleeve back and forth. If the foot is pressed to the bottom, the socket will retract; If the foot is released, the sleeve will move forward. Rotate the adjustment knob to adjust the force exerted on the pointed workpiece. When grinding a slender shaft, the force on the workpiece should not be too strong to avoid bending the workpiece. The diamond pen can be installed on the tailstock of the CNC cylindrical grinder to adjust the grinding wheel for external workpieces with low roughness requirements.