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Workspace Comparison Study of Two Plane-Symmetry Parallel Machine Tools
Abstract:
Workspaces of two plane-symmetry parallel machine tools whose limbs are composed of the revolute joint, the prismatic joint and the spherical joint were studied comparatively in this paper. Firstly, manipulators of the plane-symmetry 3-RPS parallel machine tool and the plane-symmetry 3-SPR parallel machine tool were introduced, and their simulation manipulators were given. Secondly, the workspaces of the plane-symmetry 3-RPS parallel machine tool and the plane-symmetry 3-SPR parallel machine tool were solved and expressed in the same figure on the basis of the computer aided geometric technique method, respectively. Lastly, indices measuring the workspace were defined, and workspaces of the plane-symmetry 3-RPS parallel machine tool and the plane-symmetry 3-SPR parallel machine tool were analyzed comparatively from two aspects: positional workspace and posture angle.
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1700-1703
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Online since:
June 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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