中南大学学报（自然科学版）2017，Vol.48Issue(2)：310-315,6.DOI:10.11817/j.issn.1672-7207.2017.02.006
冷整形对大模数直齿轮精度的影响
Influence of gear accuracy in cold precision sizing for spur gear with big modulus
摘要
Abstract
In order to improve gear accuracy in cold precision after cold precision sizing, an elastic plastic FE model based on the measured gear shape of pre-forging was built to simulate the cold precision sizing process. The laws of sizing amount and die bearing length on the tooth profile total deviation and the tooth orientation total deviation were obtained by numerical simulation. The experiment of the spur gear cold precision sizing process was made and data were analyzed by analysis of variance (ANOVA). The results show that the sizing amount has significant effects on gear accuracy. When the sizing amount is 0.15-0.20 mm, the gear of the tooth profile accuracy with 8 magnitudes and the gear direction precision with 7-8 magnitudesare obtained through the cold precision sizing. The change tendency of the deviation of gear obtained by experiment is similar to the FEM result.关键词
大模数直齿轮/冷整形/齿轮精度/数值模拟Key words
spur gear with big modulus/cold precision sizing/gear accuracy/numerical simulation分类
矿业与冶金引用本文复制引用
梁强,周杰,朱姗姗,曹金豆..冷整形对大模数直齿轮精度的影响[J].中南大学学报（自然科学版）,2017,48(2):310-315,6.基金项目
国家自然科学基金面上项目(51275543) （51275543）
重庆市科委应用开发项目(cstc2014yykfC70003)(Project(51275543) supported by the National Natural Science Foundation of China （cstc2014yykfC70003）
Project(cstc2014yykfC70003) supported by the Science and Technology Application Development of Chongqing Municipal) （cstc2014yykfC70003）
