Abstract
Gear is one of important transmission components in mechanical devices.How to correctly produce gears that meets the transmission requirements has always been the research focus in the mechanical industry.Among processing methods of gears,gear hobbing is the one of the most important processing methods because of its high production efficiency and strong universality.However,due to the influence of machining process,various errors will inevitably appear in the gear hobbing process.Therefore,the analysis of hobbing error modeling,detection and compensation are very vital to improve gear accuracy.This paper summarizes researches and developments of the above three aspects,and puts forward the direction and content that need to be further studied:constructing a closed-loop hobbing machining system of "tooth surface error modeling-tooth surface error tracing-error compensation".
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