National Changhua University of Education Institutional Repository : Item 987654321/17939

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NCUEIR > College of Technology > vr > Periodical Articles > Item 987654321/17939

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/17939

Title:	A Rack-Cutter Surface used to Generate a Spherical Gear with Discrete Ring-Involute Teeth
Authors:	Yang, Shyue-Cheng
Contributors:	車輛科技研究所
Keywords:	Rack-cutter;Ring-involute;Spherical gear
Date:	2005-11
Issue Date:	2014-01-15T04:19:18Z
Publisher:	Springer-Verlag
Abstract:	A spherical gear is a mechanism for transferring motion. This type of gear has more than one direction of freedom, so it is very suitable for a flexible robot wrist. In general, spherical gear mechanisms have two degrees of freedom. Thus, from a geometric viewpoint, a mathematical derivation for producing a spherical gear with discrete ring-involute teeth is a conjugate problem. A rack-cutter that distributes ring teeth on a plane generates the spherical gear. Based on the envelope theory of a two-parameter family of rack-cutter surfaces, mathematical and geometric models of a spherical gear with discrete ring-involute teeth are proposed. Using CAD software, a geometric model of a spherical gear can be assembled. The developed spherical gear transmission has a gear ratio that is not 1, and an example is provided to demonstrate the double DOF transmission ratio of 4:3.
Relation:	The International Journal of Advanced Manufacturing Technology, 27(1-2): 14-20
Appears in Collections:	[vr] Periodical Articles

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