... to ensure stable motion. 3. Spindle: adopts advanced rack gear transmission to ensure high precision, high power, and high speed. ... operation easily.8. Dust protector and waterproof design ensure stable transmission.Application:3D/2D engraving, Embossment, Line engraving, Cutting, ... /50HZCollet3.175,Φ6,Φ12.7XYZ guide railsLinear square railTrassmissionRack gear of X,Y axis Ball screw of Z axisShanghai ...