Summary of precision testing knowledge of each part of the machine tool (I)

Summary of precision testing knowledge of each part of the machine tool (I)

1. For different shapes of guide, each surface should be separated from the control of which plane straightness error?

A: the common shapes of CNC lathe machine China guide are rectangular guide and v-shaped guide. The horizontal surface of the rectangular guide controls the guide rail's straightness error in the straight plane. The two surrounding surfaces of the rectangular guide guide control the guide guide in the horizontal error straightness. V guide, because the guide is composed of two oblique surfaces, so the two oblique surfaces both control the straightness error in the straight plane, together also control the straightness error in the horizontal plane.

2. What are the common ways to check the straightness error of the guide rail?

Answer: the guideway straightness error commonly used inspection method has: research point method, flat ruler pull table contrast method, pad plug method, pull steel wire inspection view and level instrument inspection view, optical flatness instrument (self-collimation instrument) inspection view and so on.

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