machinery  Fittings,Mechanicalparts processing production time circle deformation causes
1) bond glue rapping discomfort

2) aperture is not stable footwall

3) rigid plate processing, just use for a long time without plate (sink holes dirty or deformation)

4) rigid plate processing by machining, the big round the wrong way, etc

Mechanical components, machinery parts processing production time circle deformation of the solution
1) aperture deformation occurs mainly in the thinner parts or irregular parts, should adopt appropriate upper plate method

2) shall be given according to the size of workpiece stable time aperture

3) just regular detection and correction dish

4) in strict accordance with the technology and the operation procedures

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