内螺纹铣削加工精度的试验研究

Vibration Experiment and Analysis of Large Diameter Internal Thread in Milling

摘要: 在铣削加工大直径内螺纹过程中，针对生产率的提高，可以通过选择不同的切削参数从而影响表面质量与加工精度不同程度的变化。本文利用正交试验方法，选取切削速度、每齿进给量和铣刀悬伸量为自变量，通过在五轴加工联动中心上进行的内螺纹铣削加工精度试验，得到相应的试验数据，通过结果分析得到内螺纹铣削理论加工精度随切削速度、每齿进给量等因素的变化趋势，结果表明影响铣削加工内螺纹尺寸精度的顺序依次为：切削速度、铣刀悬伸量和每齿进给量。

Abstract: In the process of milling large diameter internal threads, different cutting parameters can be se-lected to affect the variation of surface quality and machining precision. In this paper, using the orthogonal test method, the cutting speed, feed per tooth and overhang of milling cutter are se-lected as independent variables. Through the analysis of the results, the variation trend of theo-retical machining precision of internal thread milling with cutting speed, feed per tooth and other factors are obtained.