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contributor authorJacob R. Montierth
contributor authorRobert H. Todd
contributor authorLarry L. Howell
date accessioned2017-05-09T00:45:53Z
date available2017-05-09T00:45:53Z
date copyrightMarch, 2011
date issued2011
identifier issn1050-0472
identifier otherJMDEDB-27942#031001_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/147083
description abstractThis paper presents elliptical rolling contact joints in compression as an alternative to circular rolling contact and conventional revolute joints where high quality force transmission—low friction and backlash—with variable output are desired. Parameters specific to the joint and its position are defined in terms of relative link angles and elliptical surface geometry. These relationships allow elliptical rolling contact joints to be incorporated in vector loop summations used in kinematic analysis. Notably, elliptical rolling contact is developed as the more general case of which circular rolling contact is a subset. Elliptical rolling contact joints are shown to offer several benefits over circular rolling contact, including reduced Hertz contact stresses, variable output velocity, maximum use of contact interface by distributing small rotations across surfaces of small curvature, reduced forces on constraining members, and no-slip pure rolling provided by either connecting links or flexures, without the need for gear teeth or friction.
publisherThe American Society of Mechanical Engineers (ASME)
titleAnalysis of Elliptical Rolling Contact Joints in Compression
typeJournal Paper
journal volume133
journal issue3
journal titleJournal of Mechanical Design
identifier doi10.1115/1.4003499
journal fristpage31001
identifier eissn1528-9001
keywordsMotion
keywordsRolling (Metalworking)
keywordsStress
keywordsRolling contact
keywordsForce
keywordsCompression
keywordsStress AND Friction
treeJournal of Mechanical Design:;2011:;volume( 133 ):;issue: 003
contenttypeFulltext


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