Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation

Bin Yang; Xiaodi Huang; Yongcheng Huang

doi:10.16578/j.issn.1004.2539.2021.10.011

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Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation

Design· Calculation | 更新时间：2022-11-10

- Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation
- Journal of Mechanical Transmission Vol. 45, Issue 10, Pages: 72-76(2021)
- 作者机构：
  
  1.广东理工学院工业自动化系，广东肇庆 526100
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.10.011
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杨斌,黄小娣,黄永程.2自由度砂轮廓面修形机械手及其误差补偿[J].机械传动,2021,45(10):72-76.

Yang Bin,Huang Xiaodi,Huang Yongcheng.Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation[J].Journal of Mechanical Transmission,2021,45(10):72-76.
杨斌,黄小娣,黄永程.2自由度砂轮廓面修形机械手及其误差补偿[J].机械传动,2021,45(10):72-76. DOI： 10.16578/j.issn.1004.2539.2021.10.011.

Yang Bin,Huang Xiaodi,Huang Yongcheng.Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation[J].Journal of Mechanical Transmission,2021,45(10):72-76. DOI： 10.16578/j.issn.1004.2539.2021.10.011.

摘要

沟槽砂轮相对于传统砂轮具有许多优势，但其砂轮轮廓的误差对加工精度存在一定的影响。因此，提出了一种用于数控磨床的砂轮廓面修形机械手，并设计了一种简单、经济的机械手对准测量与静态误差补偿方法。该机械手由水平导轨和垂直导轨两个直线导轨组成；导轨由一个高精度滚珠丝杠驱动，该滚珠丝杠与带有光学编码器反馈的直流伺服马达相连；垂直导轨上装有单点金刚石修整刀具。对准测量方法采用了一个千分表和磨床的数字读数。通过测量机械手形成的轮廓误差，对该误差补偿方法进行了实验验证。结果表明，静态误差补偿方法可将砂轮廓形的轮廓误差减少40%，降低到±10 μm的范围内。

Abstract

Compared with traditional grinding wheels，grooved grinding wheels have many advantages，but the error of grinding wheel profile has certain influence on machining accuracy. Therefore，a grinding wheel profile modification manipulator for CNC grinding machine is proposed，and a simple and economical method for alignment measurement and static error compensation of the manipulator is designed. The modification manipulator consists of two linear rails of the horizontal guideway and the vertical guideway. The guides are driven by a high-precision ball screw connected to a DC servo motor with optical encoder feedback. A single point diamond dressing tool is installed on the vertical guide rail. The alignment measurement method used a micrometer and a digital reading of the grinder. By measuring the contour error formed by the manipulator，the motion error compensation method is verified experimentally. The results show that the static error compensation method reduces the profile error of the grinding wheel by 40%，to the range of ±10 μm.

关键词

数控磨床廓面修形误差补偿沟槽砂轮砂轮廓形

Keywords

CNC grinding machineProfile modificationError compensationGroove grinding wheelGrinding wheel profile

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