The basic principle of selecting fixture for NC machining

- Sep 01, 2017 -

The characteristics of NC machining put forward two basic requirements: one is to ensure that the coordinate direction of the fixture and the coordinate of the machine tool is relatively fixed; In addition, consider the following points:

1, when the part processing batch is small, should use the combination clamp, the adjustable clamp and other general fixture, reduces the production preparation time, saves the production expense.

2, in mass production only consider the use of special fixture, and strive to structure simple.

3, the parts of loading and unloading should be fast, convenient and reliable to shorten the downtime of machine tools.

4, fixture on the components should not hinder the machine tool on the parts of the surface processing, that is, fixture to open, its positioning, clamping mechanism components can not affect the processing of the knife (such as collisions, etc.).

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