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Date of Publication:2022-10-09

Journal:大连理工大学学报

Affiliation of Author(s):机械工程学院

Issue:4

Page Number:508-513

ISSN No.:1000-8608

Abstract:The complexity and specificity of involute processing and test have been the bottleneck of manufacturing technique for involute artifact .In order to develop high‐grade involute artifact ,the forming principle of the involute is discussed , and it is pointed out that the w heel‐rail type of mechanical generating mechanism w hich forms the involute by one‐time method and has no effects of driving accuracy on generating accuracy and has less error source is suitable for processing the high‐grade involute artifact . Then , the double‐wheel‐rail type of grinding and testing devices for the involute artifact is designed according to the forming principle of the involute .Finally ,a precision grinding experiment for an involute cam is conducted .The testing results show that the total profile deviation is not more than 0 .6 μm and the profile form deviation is not more than 0 .4 μm in 105 mm generating length of the involute cam .The experimental results show that the double‐wheel‐rail type of mechanical generating mechanism matches with the forming principle of the involute and has the capability of processing and measuring high‐grade involute artifact .

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