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Laser pointer for manual teaching of coating robot

Zhiyong Shang (Department of Painting Plant, Beijing Benz Automotive Co., Ltd., Beijing, China)

Industrial Robot

ISSN: 0143-991x

Article publication date: 13 September 2022

Issue publication date: 17 February 2023

69

Abstract

Purpose

The purpose of this paper is to present a novel laser pointer for manual coating robot teaching. The laser pointer has simple structure and no physical contact with substrate in teaching work. The sensitivity of visual detection in the design accuracy is guaranteed.

Design/methodology/approach

The strategy adopts two laser sources to form a triangle to achieve a fixed distance detection pointer for manual robot teaching. After optimizing the source, spot size and the incident angle of the lasers, the sensitivity of fixed-distance judgment is analyzed and compared with traditional pointers. In addition, the laser pointer adds the functions to simulate coating atomizer, including posture and overlap pitch. Finally, the laser pointer verified by coating application and measurement system analysis evaluation.

Findings

The laser pointer has been successfully applied to coating robot teaching by the authors’ team. From the simulation and experimental results, it can be concluded that the proposed approach is effective at improving manual teaching of coating robot, especially for the complex geometry.

Research limitations/implications

The main function of the laser pointer often used for manual teaching in other purposes; for example, sealer etc. The paper innovatively considered and tested the laser pointer on robotic coating process.

Originality/value

Compared with the traditional hard straight stick pointer, the paper proposes a very simple construction for teaching pointer with laser feature. At the same time, the requirement of coating process simulation is considered.

Keywords

Citation

Shang, Z. (2023), "Laser pointer for manual teaching of coating robot", Industrial Robot, Vol. 50 No. 2, pp. 211-218. https://doi.org/10.1108/IR-04-2022-0091

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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