面向高速加工的复合曲线螺旋轨迹生成方法

中国机械工程 ›› 2015, Vol. 26 ›› Issue (14): 1866-1870.

面向高速加工的复合曲线螺旋轨迹生成方法

赵东宏1,2;卢章平1;王庭俊2;杨炼1

1.江苏大学,镇江,212013
2.扬州工业职业技术学院,扬州,225127

出版日期:2015-07-25 发布日期:2015-08-05
基金资助:
高等学校博士学科点专项科研基金资助项目(20113227110007)

Composite Curve Spiral Tool-Path Generation Method for High-Speed Machining

Zhao Donghong1,2;Lu Zhangping1;Wang Tingjun2;Yang Lian1

1.Jiangsu University,Zhenjiang,Jiangsu,212013
2.Yangzhou Polytechnic Institute,Yangzhou,Jiangsu,225127

Online:2015-07-25 Published:2015-08-05
Supported by:
Research Fund for the Doctoral Program of Higher Education of China（No. 20113227110007）

摘要/Abstract

摘要：

针对现有螺旋切削方式仅仅适合圆形或类圆形边界曲面的问题，提出了一种复合曲线螺旋切削法，利用直线圆弧构建规则形状的辅助边界以包容不规则的曲面原始边界，以辅助边界构建光顺网格曲面作为螺旋线的投影曲面，然后桥接投影曲线与平面螺旋线作为驱动曲线从而生成复合螺旋刀路,在避免边界尖角影响的同时保留了刀轨连续的优点,适用于各种具有不规则边界的平坦曲面。软件模拟和实际加工结果表明，复合曲线螺旋切削法有效解决了刀轨的连续性和矢量突变问题，特别适合复合曲面的高速加工。

关键词: 高速加工, 复合曲面, 螺旋切削, 路径优化

Abstract:

Existing spiral cutting methods are only suitable for circular and quasi-circular boundaries.Herein,a kind of composite curve spiral cutting method was proposed.Lines and arcs were used to construct regular-shaped auxiliary boundaries to contain irregular original boundaries of the surface.Smooth mesh surfaces were built as the projecting surface of the helixes.Finally,the project curves and the planar helixes were bridged and used as the drive curves to produce composite spiral tool paths.In addition to avoid the influences of boundary corners,the advantage of tool path continuity was remained.It was fit for kinds of flat surfaces with irregular boundaries.The software simulations and the practical processing results show that the composite curve spiral cutting method effectively solves the problem of continuity and vector sudden change of tool-path,particularly for high-speed machining of composite surfaces.

Key words: high-speed , machining;composite , surface;spiral cutting;path , optimization

中图分类号:

TH164

赵东宏, 卢章平, 王庭俊, 杨炼. 面向高速加工的复合曲线螺旋轨迹生成方法[J]. 中国机械工程, 2015, 26(14): 1866-1870.

Zhao Donghong, Lu Zhangping, Wang Tingjun, Yang Lian. Composite Curve Spiral Tool-Path Generation Method for High-Speed Machining[J]. China Mechanical Engineering, 2015, 26(14): 1866-1870.

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