Geometrical design of skew conical involute gear drives in approximate line contact

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Title:	Geometrical design of skew conical involute gear drives in approximate line contact
Authors:	Wu,SH;Tsai,SJ
Contributors:	機械工程研究所
Keywords:	BEVELOID GEARS;TRANSMISSIONS
Date:	2009
Issue Date:	2010-06-29 18:01:59 (UTC+8)
Publisher:	中央大學
Abstract:	A novel design for skew conical involute gear drives in approximate line contact is proposed. Such a drive has a contact ellipse with a large major-to-minor-axis ratio, which allows it to overcome the weakness of conical gear drives for application in power transmission. This gearing design approach is characterized by reduced edge contact sensitivity and increased surface durability. The edge contact sensitivity that can arise with this kind of gear drive due to assembly or manufacturing errors is evaluated by analysing the value of the shift of the line of action caused by such errors. The surface durability is evaluated by calculating the Hertz stress. Some guidelines are developed based on the analysis of the influence of the gearing parameters on the edge contact sensitivity and the surface durability made possible using this design approach for conical gear drives in the approximate line contact. The guidelines are summarized and, finally, a practical example is given to demonstrate the feasibility of the approximate line contact design.
Relation:	PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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