... long life, under the knife precision. 2> The CNC Stone Engraving Machine seamless welded steel structure, rigid Haobu deformation, table back lining ... plate, the rigid strength, and machine loading capacity can be 3>constant power spindle motor, cutting ... /50HzSpindle power2.2kwSpindle rotating speed0-24000rpm/minDrive motorSteper8 CNC Stone Engraving Machine