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Factors affecting precision parts processing

Release time:14-10-2020

  PRECISION CNC MACHINING PARTS technology was proposed in the 1960s. It is an important method to improve the performance, quality, service life and reliability of electromechanical products, and the cross-section of bars. Precision processing means that the processing error is less than 0.1 m, surface roughness is less than RA0.025IXM processing technology, also known as sub-micron processing, the level of precision parts processing is an important indicator of the national manufacturing level.

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  In addition to the fluctuation of hydraulic and pneumatic sources in precision parts processing, the working environment has a great influence on the processing quality. Therefore, the working environment is a necessary condition to ensure the processing quality. The working environment mainly has temperature, purification and anti-vibration requirements. Environmental temperature changes have a particularly significant impact on the accuracy of the machine tool, including temperature changes due to thermal factors caused by machining errors. The total machining error (40 70)% of dust will cause scratches on the surface of the workpiece and affect the surface quality. Vibration, stripes or fabric marks have been processed on the surface of the workpiece, and the surface finish is significantly reduced.

  With the high precision required for parts processing, the requirements for the processing environment are becoming more and more stringent. Only from the impact of precision parts processing on gas pressure fluctuations, environmental temperature changes, external and natural vibration analysis, precision parts processing factors There are many influences. In order to improve the precision of ultra-precision machining, it is not only necessary to understand the influence of factors, but also to master solutions.

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