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铣削加工3维稳定性预测

机械工程 | 更新时间：2023-11-14

- 铣削加工3维稳定性预测
- Three-dimensional Stability Predication for Milling Processes
- 工程科学与技术 2011年43卷第3期页码：219-224
- 作者机构：
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(50875127)
- DOI：
  中图分类号：
- 纸质出版日期：2011，
  
  网络出版日期：2009-12-10，
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梁睿君,叶文华,黄翔.铣削加工3维稳定性预测[J].工程科学与技术,2011,43(3):219-224.

Three-dimensional Stability Predication for Milling Processes[J]. Advanced Engineering Sciences, 2011,43(3):219-224.
梁睿君,叶文华,黄翔.铣削加工3维稳定性预测[J].工程科学与技术,2011,43(3):219-224. DOI：

Three-dimensional Stability Predication for Milling Processes[J]. Advanced Engineering Sciences, 2011,43(3):219-224. DOI：

摘要

中文摘要: 传统的2维稳定性极限预测图反映不出进给量对切削稳定性的影响，针对这个问题，提出通过建立与进给量相关的切削力系数模型以反映进给量对切削稳定性的影响。该模型表示为以每齿进给量为变量的二次多项式方程。采用二次回归组合设计方法设计一组变进给量的中心复合试验，通过测量铣削力得到在特定切削条件下的切削力系数，根据最小二乘法估计回归系数。模型的可靠性通过其显著性检验证明，模型的预测能力通过预测铣削力和测量铣削力的拟合情况进行验证。基于该切削力系数模型，在稳定性极限预测中引入进给量因子，使2维稳定性图转化为3维稳定性图，表示出转速、进给量与临界稳定的轴向切深之间的非线性关系。

Abstract

Abstract:Feed rate’s effect on the stability of milling was absent in traditional two dimensional stability limit prediction diagrams. To address this issue

a new model of cutting force coefficients was proposed. This model was expressed by a quadratic polynomial equation using feed per tooth as its variable. For this purpose

central composite experiment with a set of feed rates generated by quadratic regression was designed and conducted. Milling force coefficients under certain cutting conditions were derived based on the measured milling force. The regression parameters were then estimated using least square method. The model reliability was verified by significance test. The model prediction performance was validated by comparing the prediction force with the measurement. Based on the proposed model of cutting force coefficients

the feed rate factor was introduced into the stability prediction

which converted the two-dimensional stability diagram into a three-dimensional one and revealed the nonlinear relationship among the rotational speed

feed rate and axial cut depth in the critical stability.

关键词

铣削力系数进给量二次回归组合设计3D稳定性图

Keywords

milling force coefficientsfeedratequadratic regress combination designthree-dimensional stability diagram

references

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