Measurement and control for mechanical compressive stress

Qing Li; Guang Ye; Lan Pan; Xiushan Wu

doi:10.1117/12.452654

27 December 2001 Measurement and control for mechanical compressive stress

Qing Li, Guang Ye, Lan Pan, Xiushan Wu

Proceedings Volume 4563, Sensors and Controls for Intelligent Manufacturing II; (2001) https://doi.org/10.1117/12.452654
Event: Intelligent Systems and Advanced Manufacturing, 2001, Boston, MA, United States

Abstract

At present, the indirect method is applied to measuring and controlling mechanical compressive stress, which is the measurement and control of rotating torque of screw with torque transducer during screw revolving. Because the friction coefficient between every screw-cap and washer, of screw-thread is different, the compressive stress of every screw may is different when the machinery is equipped. Therefore, the accurate measurement and control of mechanical compressive stress is realized by the direct measurement of mechanical compressive stress. The author introduces the research of contrast between compressive stress and rotating torque in the paper. The structure and work principle of a special washer type transducer is discussed emphatically. The special instrument cooperates with the washer type transducer for measuring and controlling mechanical compressive stress. The control tactics based on the rate of compressive stress is put to realize accurate control of mechanical compressive stress.

Citation Download Citation

Qing Li, Guang Ye, Lan Pan, and Xiushan Wu "Measurement and control for mechanical compressive stress", Proc. SPIE 4563, Sensors and Controls for Intelligent Manufacturing II, (27 December 2001); https://doi.org/10.1117/12.452654

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