... 3.stepper motor 4.high precision High-accuracy engraving machine with ball screw ZK-1224Introduction: 1.the whole lathe ... when working no need the computerApplication:wood working, furniture making and engraving, arts and crafts, advertisement,wave plate ... plexiglass, acrylic, organic glass, marble, granite, aluminium, copper, steel and many other material.Specification: Model:ZK-1224Machine body:Whole ...