Finite element simulation and finishing experiment

of the composited pneumatic wheel

JI Shi-ming, LI Zhi-an, CAI Dong-hai, JIN Ming-sheng, ZENG Xi, LI Xiao

(Key Lab of Ministry of Education for Province Jointed Mechanical Manufacture &

Automation, Zhejiang University of Technology, Hangzhou 310014, China)

Abstract: In order to improve the finishing efficiency of pneumatic wheel for laser hardening mold, and solve the subtle crack problem of pneumatic wheel caused by high frequency vibration and prolonged pressure during the long time finishing, a composite pneumatic wheel of SBR reinforced by PPTA-pulp was designed. Through the axial tensile test of the standard sample, the stress-strain relationship and the elastic modulus of composite pneumatic wheel were received. Using ANSYS/LS-DYNA the modal and stress distribution of composite pneumatic wheel were simulated, the distribution curve of the modal frequency and contact stress were received. According to the finishing experiment of laser hardening mold, the correctness of the simulation was verified. The results show that the frequency of the composite pneumatic wheel has been improved significantly, and the stress distribution is uniform, so as to improve the finishing efficiency for mold with high hardness and wear resistance. If adding 3.3％ PPTA-pulp, both the profile ability and the stress distribution would be preferable. That could be better for the laser hardening mold finishing.