Transactions of Materials and Heat Treatment

Title：Effect of warm forming parameters on elastic deformation of spiral bevel gears

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ClassificationCode：TG316

year,vol(issue):pagenumber：2021,46(5):123-130

Abstract：

In the near-net forming process of spiral bevel gears, the elastic deformation degree of mold is relatively larger, which leads to the problems such as reduced mold life and insufficient gear accuracy. Therefore, an orthogonal test was adopted by selecting three variables of blank temperature, reduction speed and friction factor, and the influences of the three variables on the mold life and the elastic recovery of gear and mold were explored by computer numerical simulation on the forming of spiral bevel gear and the elastic recovery process of mold to guide the setting of process parameters in the actual production. The results show that under the set environment, the reduction speed has the greatest influence on the elastic recovery and is basically linearly distributed, followed by the blank temperature, and the friction factor has the smallest influence on the elastic recovery. Under the conditions of the reduction speed of 10 mm·s-1, the blank temperature of 850 ℃ and the friction factor of 0.1, the loads on the mold and workpiece are at a relatively lower level, and the elastic recovery is more uniform.

Funds：

南京市产学研合作补助项目(201722063);江苏省高等学校大学生创新创业训练计划项目(201911276092H)；南京工程学院“挑战杯”竞赛支撑项目(TZ20200002)

吴昊（1999-），男，本科生 E-mail：Hoo_Wu@foxmail.com 通讯作者：李振红(1978-)，男，博士，副教授 E-mail：lizhenhongnj@163.com

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