Indexed by:期刊论文

Date of Publication:2022-06-30

Journal:中国机械工程

Affiliation of Author(s):机械工程学院

Issue:21

Page Number:2556-2561

ISSN No.:1004-132X

Abstract:Based on orthogonal regression experiments, an empirical equation for heating resistance of EHM was established, data shows that the cutting current has the largest influence on the heating resistance. This empirical equation was adopted in the finite element simulation (FES), an empirical equation was obtained to describe the temperature rising generated by joule heat of the heating resistance. With 3D cutting model and Umbrello constitutive equations, both 3D finite element simulation and verification experiments were carried out to study the cutting force and temperature field in the EHM, results show that low cutting force appears when cutting current I��160A, the highest temperature of the cutting area shows at the cutting scrap of the deformation area, the optimal heating current I which gives the correspondent optimal cutting temperature is 168A~190A.

Note:新增回溯数据