... ball screw pretightening Consumers gap, the movement to reduce the gap to the minimum. 2, import Pai steel ball ... the next day, under processing. 4, the number of workpiece machining unique way to preserve the original point. 5, ... accuracy0.01mmResolution0.025mmpositioning accuracy0.05mmWork voltageAC220V/50HzTool Spindle3 ,4 ,6Spindle power1.5kwSpindle rotating speed0-24000rpm/minSurroundings for ...