| Study on the Back Rest System of Looms |
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| 作者姓名： | 陈革 毛立民 周亚勤 袁立新 |
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| 作者单位： | College of Mechanical Engineering，Donghua University，Shanghai，200051，College of Mechanical Engineering，Donghua University，Shanghai，200051，College of Mechanical Engineering，Donghua University，Shanghai，200051，The Third Polyester Plant of Yi Zheng Mechanical Fibre Co.，Ltd.，Yi Zheng，211900 |
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| 摘 要： | Periodic variations of warp tension during a weaving cycle result in corresponding change of back rest position, and the oscillation of back rest affects the fluctuation of warp yarn in return. A mechanical model of back rest system of looms is presented on basis of auto control theory, and the factors affecting the dynamic performance of the back rest are analyzed. In the model, warp yarn is regarded as a viscoelastic medium, and the adjustable parameters and the adjusting range of the back rest system are increased, so the loom's applicability for the fabric's variety is enhanced. Finally, the methods of designing and adjusting the back rest are discussed, and a trend of back rest system development is given.
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Study on the Back Rest System of Looms |
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| CHEN Ge,MAO Li-ming ZHOU Ya-qin,YUAN Li-xin College of Mechanical Engineering,Donghua University,Shanghai, The Third Polyester Plant of Yi Zheng Mechanical Fibre Co.,Ltd.,Yi Zheng.Study on the Back Rest System of Looms[J].Journal of Donghua University,2004,21(1). |
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| Authors: | CHEN Ge MAO Li-ming ZHOU Ya-qin YUAN Li-xin College of Mechanical Engineering Donghua University Shanghai The Third Polyester Plant of Yi Zheng Mechanical Fibre Co Ltd Yi Zheng |
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| Institution: | 1. College of Mechanical Engineering, Donghua University, Shanghai, 200051
2. The Third Polyester Plant of Yi Zheng Mechanical FibreCo. , Ltd. , Yi Zheng, 211900 |
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| Abstract: | Periodic variations of warp tension during a weaving cycle result in corresponding change of back rest position, and the oscillation of back rest affects the fluctuation of warp yarn in return. A mechanical model of back rest system of looms is presented on basis of auto control theory, and the factors affecting the dynamic performance of the back rest are analyzed. In the model, warp yarn is regarded as a viscoelastic medium, and the adjustable parameters and the adjusting range of the back rest system are increased, so the loom's applicability for the fabric's variety is enhanced. Finally, the methods of designing and adjusting the back rest are discussed, and a trend of back rest system development is given. |
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| Keywords: | loom back rest dynamic performance |
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