Chebyshev lambda linkage: Difference between revisions

Revision as of 23:50, 8 November 2014

Revision as of 23:53, 8 November 2014

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[[Image:Hoekens linkage animated.gif|right|Hoeckens linkage]]

The '''HoekensHoeckens linkage'''<ref>{{cite book

|title=Distinguished Figures in Mechanism and Machine Science: Their Contributions and Legacies

|author=Ceccarelli, M.

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|year=2014

|publisher=Springer London, Limited

}}</ref> is a [[four-bar mechanism]] that converts rotational motion to approximate [[straight-line motion]] with approximate constant velocity.<ref name=DOM>{{cite book |url=http://www.designofmachinery.com/DOM/ |title=Design of Machinery |year=2011}} </ref> It is named after Karl Hoecken (1874-19621874−1962). The precise design trades off straightness, lack of acceleration, and what proportion of the driving rotation is spent in the linear portion of the full curve.<ref name=DOM134>{{cite book |url=http://www.designofmachinery.com/DOM/Chap_03_3ed_p134.pdf |title=DOM p134 Hoecken linkage }}</ref>

The example to the right spends over half of the cycle in the near straight portion.