Development of testing machine for joint robots and its lost motion measuring practice

Zhaoyao Shi; Huiming Cheng

doi:10.1117/12.2611908

19 November 2021 Development of testing machine for joint robots and its lost motion measuring practice

Zhaoyao Shi, Huiming Cheng

Proceedings Volume 12059, Tenth International Symposium on Precision Mechanical Measurements; 120590P (2021) https://doi.org/10.1117/12.2611908
Event: Tenth International Symposium on Precision Mechanical Measurements, 2021, Qingdao, China

Abstract

Robot joint is the main actuator for the attitude control of robot system, which has an important effect on the performance of the whole machine. Lost motion is the key indices to characterize robot joint transmission accuracy and performance, and its measurement and evaluation is an important foundation for robot joint performance improvement. The measurement level of robot joint lost motion is still limited to the measurement of single transmission device, such as reducer and motor. The researches on measuring robot joint lost motion is still small. This paper analyzes the measuring principle and methods of robot joint lost motion, and designs a testing machine for robot joint, which provides a strong support for establishing the overall quality evaluation system for robot joint. The correctness, effectiveness and practicability of the proposed method and theory have been verified by targeted experiments. It shows that the testing machine can meet the requirements of measuring lost motion of different types of robot joints.

Citation Download Citation

Zhaoyao Shi and Huiming Cheng "Development of testing machine for joint robots and its lost motion measuring practice", Proc. SPIE 12059, Tenth International Symposium on Precision Mechanical Measurements, 120590P (19 November 2021); https://doi.org/10.1117/12.2611908

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