Numerical control system control,programming transfer machine,especially for small precision parts,worm,trapezoid screw research and development of a  model,fuselage structure is strong,using FC-25 high strength and tough iron, after tempering and tempering durable.Square track design of the slide,in the high frequency suface hardening and then fine grinding of the slide test roller teeth machine,accurate positioning ,not easy to wear,no gap.

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