... ,Three-phase stepper cnc linear guide rai Introduction:1. The overall bed lathe is made of cast steel under welding processing, stand ... rack and pinion,increase speed and precision8,Adopts Taiwan PMI linear guideway ,to ensure high-precision machine and withstand heavy load ... door, shied,art windows processing,nonferrous metals,copper,aluminum,Stainless steel engraving and cutting cnc linear guide rail