Accuracy Synthesis of Redundant Parallel Kinematic Mechanism with Weighted Least Square Method

Xin You Li; Wu Yi Chen

doi:10.4028/www.scientific.net/KEM.499.3

Paper Titles

Accuracy Synthesis of Redundant Parallel Kinematic Mechanism with Weighted Least Square Method
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Advances in High-Speed Milling of Metal Matrix Composites
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Analysis and Prediction Approach to the Thin-Walled Workpiece Deformation with Thermo-Mechanical Couple Consideration
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Analysis of Structural Parameters of Grooved-Wicksin Micro Heat Pipes Based on Capillary Limits
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Analysis on Milling Deformation of 7022 Aluminum Alloy Blank Jointed by FSJ
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Chemical Mechanical Polish of Potential New Barrier Material Ruthenium (Ru) in ULSI Copper Interconnects
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Computer Simulation of AISI D2 Orthogonal Cutting Using Finite Element Method
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Deposition and Application of CVD Diamond Films on the Interior-Hole Surface of Silicon Carbide Compacting Dies
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Accuracy Synthesis of Redundant Parallel Kinematic Mechanism with Weighted Least Square Method

Abstract:

In order to reduce manufacturing cost, a methodology of accuracy synthesis for machine tool was recommended by combining both machining cost and Least Square method. Weighted coefficients representing the machining difficulty of manufacturing processes were introduced. 3PRS/UPS redundant parallel kinematic mechanism (3PRS/UPS PKM) was taken as an example, and its component tolerances were derived by the proposed method. Comparing with conventional method, the component tolerances were allocated reasonably. A further tolerance allocation for spherical and rotational joints was studied in detail. And hence, the producibility of component was improved and the manufacturing cost was reduced. The results showed that the proposed method was capable of producing tolerance allocations economically and accurately.