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

John A. Mirth; Thomas R. Chase

doi:10.1115/detc1992-0318

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

John A. Mirth, Thomas R. Chase

Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English (US)
Title of host publication	22nd Biennial Mechanisms Conference
Subtitle of host publication	Mechanism Design and Synthesis
Publisher	American Society of Mechanical Engineers (ASME)
Pages	359-366
Number of pages	8
ISBN (Electronic)	9780791809402
DOIs	https://doi.org/10.1115/detc1992-0318
State	Published - 1992
Event	ASME 1992 Design Technical Conferences, DETC 1992 - Scottsdale, United States Duration: Sep 13 1992 → Sep 16 1992

Publication series

Name	Proceedings of the ASME Design Engineering Technical Conference
Volume	Part F168016-3

Conference

Conference	ASME 1992 Design Technical Conferences, DETC 1992
Country/Territory	United States
City	Scottsdale
Period	9/13/92 → 9/16/92

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.

Publisher link

10.1115/detc1992-0318

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Mirth, J. A., & Chase, T. R. (1992). Circuit rectification for four precision position synthesis of stephenson six-bar linkages. In 22nd Biennial Mechanisms Conference: Mechanism Design and Synthesis (pp. 359-366). (Proceedings of the ASME Design Engineering Technical Conference; Vol. Part F168016-3). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/detc1992-0318

Circuit rectification for four precision position synthesis of stephenson six-bar linkages. / Mirth, John A.; Chase, Thomas R.
22nd Biennial Mechanisms Conference: Mechanism Design and Synthesis. American Society of Mechanical Engineers (ASME), 1992. p. 359-366 (Proceedings of the ASME Design Engineering Technical Conference; Vol. Part F168016-3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Mirth, JA & Chase, TR 1992, Circuit rectification for four precision position synthesis of stephenson six-bar linkages. in 22nd Biennial Mechanisms Conference: Mechanism Design and Synthesis. Proceedings of the ASME Design Engineering Technical Conference, vol. Part F168016-3, American Society of Mechanical Engineers (ASME), pp. 359-366, ASME 1992 Design Technical Conferences, DETC 1992, Scottsdale, United States, 9/13/92. https://doi.org/10.1115/detc1992-0318

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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.",

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N2 - 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.

AB - 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.

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

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