单晶Ni3Al基高温合金微铣削表面粗糙度试验研究

摘要/Abstract

摘要：

为研究单晶高温合金的微铣削表面粗糙度，采用直径为0.8mm的双刃硬质合金微铣刀，对典型的单晶Ni3Al基高温合金IC10进行微尺度铣削的三因素五水平正交试验研究。通过极差分析找出主轴转速、进给速度、进给深度对微铣削表面质量影响的主次因素。通过优化获得理想的切削工艺参数组合，所获表面粗糙度为801nm。对其切削机理和影响表面质量的原因进行深入的分析，其结果对单晶高温合金的微加工理论的机理揭示具有一定的指导意义。

关键词: 微铣削, 单晶, Ni3Al基高温合金, 表面粗糙度

Abstract:

Two-edged carbide alloy micro-milling tool with 0.8mm diameter was used to study micro-milling surface roughness of Ni3Al-based superalloy. An orthogonal experiment of three factors and five levels was implemented to microscope milling of typical single crystal Ni3Al-based superalloy IC10. The influences of primary and secondary factors of spindle speed，feed rate，feed depth on micro-milling surface quality were found according to the range analysis. The ideal cutting process parameter combination was optimized and obtained, the surface roughness is as 801nm. Its cutting mechanism and the reasons affecting the surface quality were analyzed. The test results have certain guiding significance to the microscope milling mechanism of single crystal superalloy.

Key words: micro-milling, single crystal, Ni3Al-based superalloy, surface roughness

中图分类号:

TH161

高奇, 巩亚东, 周云光. 单晶Ni3Al基高温合金微铣削表面粗糙度试验研究[J]. 中国机械工程, 2016, 27(06): 801-804.

Gao Qi, Gong Yadong, Zhou Yunguang. Experimental Study on Surface Roughness in Micro-milling of Single Crystal Ni3Al-based Superalloy[J]. China Mechanical Engineering, 2016, 27(06): 801-804.

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