Circuit rectification for four precision position synthesis of stephenson six-bar linkages

John A. Mirth, Thomas R. Chase

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Circuit rectification ensures that a linkage may reach all precision positions without disassembly. The circuit characteristics of Stephenson six-bar linkages can be established by examining the interaction of the four-bar and five-bar chains within the linkage. Preliminary synthesis of the four-bar chain introduces specific conditions that must be met by the five-bar chain for all of the precision positions to lie on a single circuit. These conditions are based on the relationship between the four-bar coupler curve and the dyads/triads that are generated from the centerpoint curve of the final synthesis step. The travel of the coupler curve between the precision positions is compared with the reach of the final dyad/triad to establish circuit conditions. The circuit conditions are applied to points along the centerpoint curve of the final synthesis step to identify those curve segments which will produce a mechanism with all precision positions on the same circuit.

Original languageEnglish (US)
Title of host publication22nd Biennial Mechanisms Conference
Subtitle of host publicationMechanism Design and Synthesis
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages359-366
Number of pages8
ISBN (Electronic)9780791809402
DOIs
StatePublished - 1992
EventASME 1992 Design Technical Conferences, DETC 1992 - Scottsdale, United States
Duration: Sep 13 1992Sep 16 1992

Publication series

NameProceedings of the ASME Design Engineering Technical Conference
VolumePart F168016-3

Conference

ConferenceASME 1992 Design Technical Conferences, DETC 1992
CountryUnited States
CityScottsdale
Period9/13/929/16/92

Bibliographical note

Funding Information:
Acknowledgement This material is based upon work supported by the National Science Foundation under grant number MSM-8707684

Publisher Copyright:
© 1992 American Society of Mechanical Engineers (ASME). All rights reserved.

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