Nc machine tool of simple structure, convenient operation, high degree of automation
Nc machine tool needs according to the numerical control system's instructions, automatically to feed speed, spindle speed, props trajectory and other machine auxiliary abilities (such as automatic tool change, automatic cooling) control. It must use of servo feed system instead of ordinary machine tool feed system, and can through the spindle speed control system to realize spindle automatic transmission. Therefore, in the mechanical structure, numerical control machine tool spindle box, feed transmission structure generally very easy. The gear, shaft parts, bearing quantity greatly reduced; Motor can be connected directly spindle and ball screw, need not gear; In the use of linear motor, electric spindle occasions, can even don't screw, spindle box. In the operation, it is not like common machine tool that, need the operator through the handle adjust and change, operating mechanism than ordinary machine tools to simple, many machine tools and even no manual mechanical operation system. In addition, because most of the numerical control machine auxiliary action can through the numerical control system of auxiliary skills (M skill) control, therefore, the commonly used button also relatively common machine tool less.
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