| Contact analysis and load distribution of double-envelop hourglass worm gearing affected by errors and load |
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| 作者姓名： | 徐戊矫 |
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| 作者单位： | XU Wujiao，QIN Datong，SHI Wankai The State key Lab of Mechanical transmission，Chongqing University，Chongqing 400044，P.R. China Received 27 May 2003; revised 29 November 2003 |
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| 基金项目： | the Doctorate Degree Program Foundation of the Ministry of Education (No. 2000061120) |
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| 摘 要： | 1. Introduction The double-envelop hourglass worm gearing is characterized by multi-tooth line contact and good lubrication condition. It has high load-carrying capacity and is often built in heavy-duty machines. Like other line-contact gear drive, it is sensitive to manufacturing errors, misalignment errors and load-dependent deformations, which cause the tooth end contact and large transmission errors 1]. The classic theory for meshing analysis of a gear drive overlooks diverse errors and l…
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Contact analysis and load distribution of double-envelop hourglass worm gearing affected by errors and load |
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| XU Wujiao,QIN Datong,SHI Wankai The State key Lab of Mechanical transmission,Chongqing University,Chongqing,P.R. China Received May,revised November.Contact analysis and load distribution of double-envelop hourglass worm gearing affected by errors and load[J].Journal of Chongqing University,2003,2(2). |
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| Authors: | XU Wujiao QIN Datong SHI Wankai The State key Lab of Mechanical transmission Chongqing University Chongqing PR China Received May revised November |
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| Institution: | The State key Lab of Mechanical transmission, Chongqing University, Chongqing 400044, P.R.China |
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| Abstract: | An approach for the contact analysis and load distribution of double-envelop hourglass worm gearing is presented, which is based on a 3-D elastic contact finite element method (FEM) model that accommodates the influence of errors and load. As compared with existing tooth contact analysis model that assumes rigidity for the contacting surfaces, the proposed model provides a more realistic analysis on the contact patterns, the distribution of contact load and transmission errors. It is also capable of exploring the influence of different errors on meshing performances, the contact deformation, the shift of the contact zone and load share among the meshing tooth-pairs under different load. |
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| Keywords: | double-envelop hourglass worm gearing tooth contact analysis errors load |
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