The traditional positioning accuracy detection method of feedshaft for numerical control(NC) machine tool exists low accuracy, method obsolete and poor measurement repeatability.
传统的数控机床进给轴定位精度的检测方法，存在精度低、方法落后、检验重复性差等缺点。
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In order to improve the plastification output, we adopt double-head of cylinder screw stem and two-feed chute. The two chute of the cylinder are both fixed on the special feedshaft stand.