Application of Error-compensation in the Mapping of Cam Mechanism

Zhu Lei; Fu Yanming; Zhou Xuanyan; Fu Haoyun

doi:10.16578/j.issn.1004.2539.2015.02.033

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Application of Error-compensation in the Mapping of Cam Mechanism

更新时间：2022-10-20

- Application of Error-compensation in the Mapping of Cam Mechanism
- Vol. 39, Issue 2, Pages: 153-157(2015)
- 作者机构：
  
  1. 上海大学机电工程与自动化学院
  2. 佐治亚理工学院工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.02.033
  CLC：
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[1]朱磊,傅燕鸣,周暄妍,傅昊赟.误差补偿法在凸轮机构测绘中的应用[J].机械传动,2015,39(02):153-157.

Zhu Lei, Fu Yanming, Zhou Xuanyan, et al. Application of Error-compensation in the Mapping of Cam Mechanism. [J]. 39(2):153-157(2015)
[1]朱磊,傅燕鸣,周暄妍,傅昊赟.误差补偿法在凸轮机构测绘中的应用[J].机械传动,2015,39(02):153-157. DOI： 10.16578/j.issn.1004.2539.2015.02.033.

Zhu Lei, Fu Yanming, Zhou Xuanyan, et al. Application of Error-compensation in the Mapping of Cam Mechanism. [J]. 39(2):153-157(2015) DOI： 10.16578/j.issn.1004.2539.2015.02.033.

摘要

介绍了凸轮机构反求设计时凸轮数据预处理方法和误差补偿理论。根据引进的凸轮测绘出实际廓线的离散型值点数据,并进行型值点数据预处理,剔除可能存在的"噪声点",并推导出凸轮理论廓线方程。再根据凸轮设计理论,应用数值计算方法求解凸轮机构从动件角位移及角类加速度值。通过将角类加速度与期望角类加速度值进行比较,得出角类加速度误差,进而求得凸轮角位移误差。通过剔除角位移误差,对凸轮理论廓线进行补偿,进而获得更接近原始设计的凸轮实际廓线的离散型值点数据,从而为该类凸轮机构反求设计提供了科学的方法。

Abstract

The data preprocessing method of the cam profile and data error compensation theory of the cam profile in the reverse design cam mechanism are introduced.According to the introduction of cam,the data of discrete points of the actual cam profile line is mapping,the possible’noise point’is removed,and the cam theoretical profile equation is deduced.Then according to the cam design theory,the angular displacement and angular quasi-acceleration of the cam follower is solved by using numerical computation method.Through comparing the value between angular quasi-acceleration and expected angular quasi-acceleration,the error of the angular quasi-acceleration is obtained,then the angular displacement error is solved.Through removing the angular displacement error,the cam theoretical profile compensation is carried out,and the data of discrete points more closer to the original design of cam profile line is acquired.Thus the scientific method for the reverse design of this kind of cam mechanism is provided.

关键词

凸轮机构反求设计数据预处理误差补偿

Keywords

Cam mechanismReverse designData preprocessingError compensation

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