Prediction of Cutting Forces in Gear Hobbing of Cylindrical Gears

被引：0
|
作者：
Zhang R.-C. [1 ]
Li B.-C. [2 ]
Zhang J.-Q. [3 ]
机构：
[1] School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao
[2] School of Mechanical Engineering & Automation, Northeastern University, Shenyang
[3] School of Mechatronics Engineering, Shenyang Aerospace University, Shenyang
来源：
Dongbei Daxue Xuebao/Journal of Northeastern University | 2019年 / 40卷 / 07期
关键词：
Cutting force; Gear hobbing; Geometrical simulation; Solid modelling; Undeformed chip thickness;
D O I：
10.12068/j.issn.1005-3026.2019.07.013
中图分类号：
学科分类号：
摘要：
The cutting forces involved during gear hobbing play an important role in process parameter optimization, hob wear prediction and hobbing machine design. The geometrical simulation of the gear hobbing process based on solid modelling was realized. Solid chips were extracted accurately and undeformed chip thickness was calculated. To model the hobbing process, the tool cutting edge was divided into small differential cutting edge segments. The cutting forces exerted on each cutting edge element were calculated based on Kienzle-Victor's equations and the total force components acting on the hob were obtained by integrating the elementary force components. To validate the predictive model of gear cutting forces, the experiments were carried out in DMU50 five-axis CNC machining center equipped with a Kistler 9123C rotary dynamometer. The simulation results are compared with the experiments. The cutting process is well captured by the predictive model, and good correlations in cutting forces are observed between the predictions and experiments. © 2019, Editorial Department of Journal of Northeastern University. All right reserved.
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页码：980 / 985
页数：5
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