Abstract
A complete family of double-Goldberg 6R linkages is reported in this article by combining a subtractive Goldberg 5R linkage and a Goldberg 5R linkage through the common link-pair or common Bennett-linkage method. A number of distinct types of overconstrained linkages are built, namely the mixed double-Goldberg 6R linkages. They all have one degree of freedom and their closure equations are derived in detail. One of them degenerates into a Goldberg 5R linkage. From the construction process and geometry conditions, the corresponding relationship between the newly found 6R linkages and the double-Goldberg 6R linkages, constructed from two Goldberg 5R linkages or two subtractive Goldberg 5R linkages, has been established.
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@article{Song2012AFamily, title = {A Family of Mixed Double-Goldberg 6R Linkages}, author = {Chaoyang Song and Yan Chen}, doi = {10.1098/rspa.2011.0345}, year = {2012}, date = {2012-03-08}, urldate = {2012-03-08}, journal = {Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences}, volume = {468}, number = {2139}, pages = {871-890}, abstract = {A complete family of double-Goldberg 6R linkages is reported in this article by combining a subtractive Goldberg 5R linkage and a Goldberg 5R linkage through the common link-pair or common Bennett-linkage method. A number of distinct types of overconstrained linkages are built, namely the mixed double-Goldberg 6R linkages. They all have one degree of freedom and their closure equations are derived in detail. One of them degenerates into a Goldberg 5R linkage. From the construction process and geometry conditions, the corresponding relationship between the newly found 6R linkages and the double-Goldberg 6R linkages, constructed from two Goldberg 5R linkages or two subtractive Goldberg 5R linkages, has been established.}, keywords = {First Author, JCR Q1, Proc. Math. Phys. Eng. Sci. (RoyalSocA)}, pubstate = {published}, tppubtype = {article} }