期刊
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
卷 50, 期 4, 页码 310-327出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijmachtools.2009.10.006
关键词
Kinematic coupling; Exact constraint design; Elastic averaging; Repeatability
From the humble three-legged milking stool to a SEMI standard wafer pod location to numerous sub-micron fixturing applications in instruments and machines, exactly constrained mechanisms provide precision, robustness, and certainty of location and design. Kinematic couplings exactly constrain six degrees of freedom between two parts and hence closed-form equations can be written to describe the structural performance of the coupling. Hertz contact theory can also be used to design the contact interface so very high stiffness and load capacity can also be achieved. Potential applications such as mechanical/electrical couplings for batteries could enable electric vehicles to rapidly exchange battery packs. (C) 2009 Elsevier Ltd. All rights reserved.
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