Functional tolerancing: Virtual material condition on complex junctions
作者： Robin Chavanne , Bernard Anselmetti
DOI: 10.1016/J.COMPIND.2011.10.004
关键词:
摘要: In industry, functional tolerancing of mechanisms is today more and based on ISO GPS (Geometrical Product Specification) ASME standards. this context, the CLIC method (French acronym for ''Cotation en Localisation avec Influence des Contacts'') has been developed in our laboratory since 1998. The describes complete process involved tolerancing. three dimensional calculation result tolerance chain formulated functions tolerances offsets surfaces, transfer by zone or virtual boundary. However, current standards are incomplete to specify complex junctions, example respect a minimum clearance. paper outlines that independence principle does not permit limit orientation inside location particular case with floating datum reference frame. Then, two main contributions developed, extension material conditions surfaces definition new association criterion order hybrid prismatic surface contact aim, advises six propositions as possible
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