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Machining precision controlling method for plane surface assisted by SPDT
Composites and Advanced Materials ( IF 1.7 ) Pub Date : 2021-03-04 , DOI: 10.1177/2634983321995509
Jingjin Li 1 , Shijun Ji 1 , Ji Zhao 1 , Fei Yuan 1 , Handa Dai 1
Affiliation  

In traditional processing mode, a given lathe and a set of fixed processing system can only produce a predetermined precision part. This article proposes a machining method that can control the surface precision of machining plane parts, and four gaskets with different accuracy requirements are processed on the same slow tool servo single-point diamond lathe for experimental verification. Then, the Peak Village (PV) value and surface topography of the processed parts were measured using the surface profiler Taylor Hobson PGI 1240 and Keyence VR-3200, respectively. Through the processing and analysis of the measured data, the maximum deviation between the PV value and the given PV value is 2.4 µm, the minimum deviation is 0.4 µm. And the PV value obtained by calculating the helical spacing measured by surface topography according to the method in this article is approximately equal to the measured PV value, so the correctness of the machining method is verified. Therefore, the machining method can control the surface accuracy of machining parts accurately according to the required accuracy.



中文翻译:

SPDT辅助的平面加工精度控制方法

在传统的加工模式下,给定的车床和一套固定的加工系统只能生产预定精度的零件。本文提出了一种可以控制加工平面零件的表面精度的加工方法,并在同一慢速刀具伺服单点金刚石车床上加工了四个精度要求不同的垫片,以进行实验验证。然后,分别使用表面轮廓仪Taylor Hobson PGI 1240和Keyence VR-3200测量加工零件的峰村(PV)值和表面形貌。通过对测量数据进行处理和分析,PV值与给定PV值之间的最大偏差为2.4 µm,最小偏差为0.4 µm。根据本文方法通过计算表面形貌所测得的螺旋间距而获得的PV值大约等于所测得的PV值,从而验证了加工方法的正确性。因此,该加工方法可以根据所需的精度来精确地控制加工零件的表面精度。

更新日期:2021-03-04
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