... plastic appearance ,dustproof and wear-resisiting,good shield.3,independent power,widely used,high stabilization,capacity of resisting disturbance ... .change mm/inch7.reser the linear error compensation 8.change linear scale reading headThe linear scale does not count or ... the lathe and the linear scale,repair and change the linear scale 2.repair linear scale3.repair linear scaleanti-jamming function is ...