Study on Wheel and Workpiece Position Error Influence on Surface Shape Accuracy during Ceramic Ball Grinding
Feng-Ming Nie1,2, Zhan-Guo Li1,3, Qing-Tang Wu2, Huan Wu2, Shan Li2, Bo Guo2
(1.Mechanical and Electrical Engineering College, Changchun University of Science and Technology, Changchun 130021, China; 2.Lab of Ultra-precision Fabrication, Changchun Institute of Equipment and Process, Changchun 130012, China; 3. The Principal''s Office, Changchun University, Changchun 130021, China)
Abstract:
The reasons for bringing surface accuracy error in ultra-precision grinding ceramic ball joint were analyzed, and the influences wheel position error and shaft run-out error on the ball joint surface accuracy were discussed. Through establishing three-dimensional grinding model, the mathematical relationship between the position error and surface accuracy was derived, and the distance from any point on spherical surface to the ideal center was calculated when position error existed, and a precise surface shape was got, and theoretical support was provided to improve the surface accuracy during the grinding process. Using self-developed ultra-precision grinding machine to do the ceramic ball grinding experiment, the surface accuracy PV value of ceramic spherical joint is 4.8 μm.
Key words: precision grinding error analysis surface accuracy ball joint
DOI：10.11916/j.issn.1005-9113.2013.04.006
Clc Number:TG584
Fund:
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Study on Wheel and Workpiece Position Error Influence on Surface Shape Accuracy during Ceramic Ball
本站小编 哈尔滨工业大学/2019-10-24
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