Abstract
Ring gear is an important part of high power transmission system. Because of its thin wall and low stiffness, it is easy to cause deformation in the process of gear shaping, which affects its accuracy. Therefore, how to ensure the quality of gear ring gear insertion is an urgent research topic. In this paper, the influence of cutting parameters of gear shaper on the deformation of gear ring is studied by finite element simulation and practical test. The results show that the influence of main cutting parameters on the deformation of 42CrMo ring gear is radial feed, circumferential feed, stroke speed, and cutting depth. In the actual gear shaping process, the cutting parameters can be adjusted according to this deformation law, so as to control the deformation of the ring gear.
Highlights
Ring gear is an important part of high-power transmission system, which has the characteristics of high working speed and large load
The results show that the influence of the main cutting parameters on the deformation of the ring gear is in the order of radial feed, circumferential feed, stroke speed and cutting depth
In order to ensure the quality and improve the efficiency of gear shaping, the finite element simulation and practical test are carried out to study the influence of gear shaping cutting parameters on the deformation of gear ring
Summary
Ring gear is an important part of high-power transmission system, which has the characteristics of high working speed and large load. Based on the above analysis results, it can be seen that, there are many researches on the machining deformation of thin-walled and weak stiffness structural parts, but there are few researches on specific materials in vehicle transmission system, especially for some specific materials (such as 42CrMo) used in automobile gearbox ring gear, and there is still a lack of a complete set of process parameter selection principles for the purpose of deformation control to guide the actual production. The material of the tool selected in the software is ‘coating TiALN’.based on the model of gear shaper cutter, a single gear shaper cutter is cut The minimum mesh size of the workpiece grid is 1/3 of the feed rate
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