The whole machine introduces advanced foreign technology and adopts high-quality imported spare parts. The sanding quality is stable and the precision is high. The workpiece thickness tolerance after double-sided grinding is ±0.1mm. The body is welded with large-section cold-formed rectangular profiles, with strong rigidity, shock absorption and no deformation. The feeding adopts frequency conversion speed regulation, which is simple and reliable. Using industrial-grade touch computer operation terminal, the operation is simple and clear. The frame of the whole machine adopts the welding technology of profiles, and special shock-absorbing materials are added inside the profiles to ensure the stability of the operation of the whole machine. Use high-precision lifting mechanism. The main components adopt international advanced non-welding technology. Sanding accuracy ±0.1mm.