Research on Motion Position and Attitude Algorithm of Machine Tool for Five-Axis CNC Machining Simulation

JIANG Lei; ZHANG Yuexinkai; LIANG Bin; DING Guofu

doi:10.16080/j.issn1671-833x.2023.05.047

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Research on Motion Position and Attitude Algorithm of Machine Tool for Five-Axis CNC Machining Simulation

更新时间：2025-10-30

- Research on Motion Position and Attitude Algorithm of Machine Tool for Five-Axis CNC Machining Simulation
- Aeronautical Manufacturing Technology Vol. 66, Issue 5, Pages: 47-55(2023)
- 作者机构：
  
  西南交通大学,成都,610031
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2023.05.047
  CLC：
- Published：2023
- 稿件说明：
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江磊，张越新凯，梁彬，丁国富. 面向五轴数控加工仿真的机床运动位姿算法研究[J]. 航空制造技术, 2023, 66(5): 47-55.

JIANG Lei, ZHANG Yuexinkai, LIANG Bin, DING Guofu. Research on Motion Position and Attitude Algorithm of Machine Tool for Five-Axis CNC Machining Simulation[J]. Aeronautical Manufacturing Technology, 2023, 66(5): 47-55.
江磊，张越新凯，梁彬，丁国富. 面向五轴数控加工仿真的机床运动位姿算法研究[J]. 航空制造技术, 2023, 66(5): 47-55. DOI： 10.16080/j.issn1671-833x.2023.05.047.

JIANG Lei, ZHANG Yuexinkai, LIANG Bin, DING Guofu. Research on Motion Position and Attitude Algorithm of Machine Tool for Five-Axis CNC Machining Simulation[J]. Aeronautical Manufacturing Technology, 2023, 66(5): 47-55. DOI： 10.16080/j.issn1671-833x.2023.05.047.

摘要

数控加工仿真是制造业发展过程中数字化与智能化的集中体现，然而现有研究在机床运动位姿计算精度上还存在不足，如未考虑数控系统指令模式、加减速控制以及机床几何误差等约束条件。针对上述问题，本文对五轴机床仿真运动算法进行研究，首先对五轴数控机床拓扑结构、模型和坐标系进行了完整定义，在此基础上探索了基于数控系统指令模式的刀具轨迹仿真密化以及相应的时间标记计算方法，并结合五轴数控机床几何误差模型，得到了更符合实际几何状态的机床模型运动位姿。通过对仿真机床实例的拓扑结构建模、刀位轨迹仿真密化以及机床模型位姿计算，对所提出的机床运动位姿算法进行了验证，证明该算法的可行性和有效性。

Abstract

CNC machining simulation is the centralized embodiment of digitalization and intelligence in the development of manufacturing industry. But the existing research still has deficiencies in accuracy in the calculation of position and attitude of machine tool movement. Constraints such as command mode

acceleration and deceleration control of CNC system and geometric error of machine tool are not considered. For this issue

this paper studies the motion of five-axis machine tool simulation algorithm. Firstly

the topology

model and coordinate system of fiveaxis CNC machine tool are completely defined. Secondly

the topology structure

model and coordinate system of five-axis CNC machine tool are defined completely. On this basis

the densification of simulation of tool position and attitude based on command mode of CNC system and the corresponding time marking calculation method are explored. Combining with geometric error model of five-axis CNC machine tool

the simulation position and attitude of the model movement process of the machine tool which is more in accordance with the actual geometric state of the machine tool are obtained. The proposed algorithm is validated by topological structure modeling

tool position simulation densification and position and attitude calculation of machine tool model considering geometric errors

which proves the feasibility and validity of the algorithm.

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