Robotic Belt Grinding Accuracy Control Technology of Aero-Engine Blade Based on Grey Correlation Method

XIAO Guijian; ZHANG Youdong; HUANG Yun; Lü Chong; HE Yi

doi:10.16080/j.issn1671-833x.2020.09.063

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Robotic Belt Grinding Accuracy Control Technology of Aero-Engine Blade Based on Grey Correlation Method

更新时间：2025-10-30

- Robotic Belt Grinding Accuracy Control Technology of Aero-Engine Blade Based on Grey Correlation Method
- Aeronautical Manufacturing Technology Vol. 63, Issue 9, Pages: 63-70(2020)
- 作者机构：
  
  重庆大学机械传动国家重点实验室,重庆,400044
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2020.09.063
  CLC：
- Published：2020
- 稿件说明：
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肖贵坚，张友栋，黄云，吕冲，贺毅. 基于灰色关联法的航发叶片机器人砂带磨削精度控制技术[J]. 航空制造技术, 2020, 63(9): 63-70.

XIAO Guijian, ZHANG Youdong, HUANG Yun, Lü Chong, HE Yi. Robotic Belt Grinding Accuracy Control Technology of Aero-Engine Blade Based on Grey Correlation Method. Aeronautical Manufacturing Technology, 2020, 63(9): 63-70.
肖贵坚，张友栋，黄云，吕冲，贺毅. 基于灰色关联法的航发叶片机器人砂带磨削精度控制技术[J]. 航空制造技术, 2020, 63(9): 63-70. DOI： 10.16080/j.issn1671-833x.2020.09.063.

XIAO Guijian, ZHANG Youdong, HUANG Yun, Lü Chong, HE Yi. Robotic Belt Grinding Accuracy Control Technology of Aero-Engine Blade Based on Grey Correlation Method. Aeronautical Manufacturing Technology, 2020, 63(9): 63-70. DOI： 10.16080/j.issn1671-833x.2020.09.063.

摘要

钛合金航空发动机叶片表面完整性及其结构特征对于航空发动机的气流动力性影响巨大。砂带磨削加工被广泛应用于钛合金叶片的表面抛光，对于提高其表面完整性具有重要的作用，但是对于复杂曲面的加工还存在着一定的难度。工业机器人由于具有灵活性高、通用性强的优点在许多领域得到广泛应用，结合机器人灵活性好的特点以及砂带抛光能大幅度提高表面质量的优点，实现对复杂型面高效、高质量的抛光加工。目前机器人的磨抛加工中还存在加工精度不能很好控制，最终影响工件表面完整性和加工质量的问题。提出基于灰色关联法的机器人砂带磨削精度控制，对此方法进行试验研究，得到表面的粗糙度能够达到 0.4μm，满足砂带磨削表面粗糙度小于 0.4μm 的要求，并且钛合金叶片的精度能够达到 0.04mm 左右。

Abstract

The surface integrity and structural characteristics of titanium alloy blades have a great impact on the aerodynamic performance of aero-engines. Abrasive belt grinding is widely used in the surface polishing of titanium alloy blades

which plays an important role in improving its surface integrity. However

it is still difficult to process the surface of workpieces with complex curved surfaces. Industrial robots are widely used in various fields due to the advantages of high flexibility and general versatility. Therefore

robotic belt grinding technology can take advantage of the flexibility of robots and the advantages of abrasive belt polishing to greatly improve the surface quality. However

in the current grinding and polishing of robots

there is still a problem that the machining accuracy cannot be controlled well

which will eventually affect the surface integrity and machining quality of the workpiece. In order to solve this problem

a robotic belt grinding accuracy control based on gray correlation method was proposed

and experimental research was carried out on this method. It can be obtained that the surface roughness can reach 0.38μm and meet the requirement that the surface roughness of belt grinding is less than 0.4μm

the precision of titanium alloy blade can reach about 0.04mm.

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