... spindle 3.Stepper motor 4.linear orbit , Invariant strong steel structure ,powerful cutting capacity and high efficience This series of models ... , long lifetime .2.Whole seamless weld steel structure, not easy to distort , the table back lining is armor plate, good rigidity, the ... precision: 0.02mm 0.05mm 0.05mm7. Table structure: aluminium aluminium aluminium8. X,Y,Z structure: X,Y,Z ballscrew X,Y,Z ...