A Finite-Element-Based Study of the Load Distribution of a Heavily Loaded Spur Gear System With Effects of Transmission Shafts and Gear Blanks

[+] Author and Article Information
Tian Yong-tao, Li Cong-xin

Dept. of Plasticity Eng., Shanghai Jiaotong Univ., Shanghai 200030, China

Tong Wei, Wu Chang-hua

Dept. of Mechanical Eng., Dalian Railway Institute, Dalian 116028, China

J. Mech. Des 125(3), 625-631 (Sep 04, 2003) (7 pages) doi:10.1115/1.1584689 History: Received October 01, 2001; Revised October 01, 2002; Online September 04, 2003
Copyright © 2003 by ASME
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Illustration of mechanism of substructure technology
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Structure of gear system; (a) Sketch of the gear system, (b) basic substructures (c) entire FE model of the gear system, and (d) the side view of the driver and the driven gears
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The FE grid of contact region on tooth profile
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Positions of constraints on the two shafts
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Instantaneous contact region shape on teeth surface (a) when the shafts are rigid (b) when the cantilever is 180 mm long and shafts are not rigid, and (c) when the cantilever is 460 mm long and shafts are not rigid
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Load distribution along the tooth width. Curves a and b represent the cases when cantilever length is 460 mm and 180 mm, respectively and the shafts are not rigid and curve c is when shafts are rigid.
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The enlarged view of the curve c in Fig. 6
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Load distribution along the tooth profile. Curves a to c are when cantilever is 180 mm long and the shafts are not rigid, and curve d is when shafts are rigid.



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