... ,to ensure the accuracy of stability. 2.Machine base used super-large rectangular structure of the ... four rails,high Machine rigidity. 3.X,y,z are affixed to the ... smooth movement spindle box. 5.X,y,z 3-axis using super-big,high-precision,high-intensity ... adopt a flexible shaft evenconnect.Ensure that the machine positioning accuracy. 6.Screw for the pre-tension ...