cylinder engraving cnc machine 300mm diameter rotary clamp 2.2kw spindle,stepper motor ... plastic, density board, MDF board, wave board, PVC, acrylic, crystal, light marble and other nonmetal materials and light metal materials ... work table backing plate, high strength and good rigidity, machine loading capacity of up to a ton or more.3 ... sure you master the operating of cnc routerSample:Machine parts: