Analysis of contact force pneumatic grinding wheel with soft abrasive consolidation based on GW Model

JI Shiming, WEI Wei, JIN Mingsheng, CHEN Zhilong, ZENG Xi

(Key Laboratory of E&M, Ministry of Education & Zhejiang Province, Zhejiang University of
Technology, Hangzhou 310014, China)

Abstract: Aiming at finishing on laser hardening freeform surface by the grinding wheel with soft abrasive consolidation, contact force and press amount were studied. After the analysis of posture of abrasives, the contact force model of soft abrasive consolidation based on GW model was established. ANSYS WORKBENCH was used to simulate the different stress distributions under different press amounts, which verifies the validity of the contact force model. By means of the experiment platform of pneumatic grinding wheel, the contact force under different press amounts was tested by 9129AA Kistler cutting force tester. The experimental results show that the contact force model of soft abrasive consolidation based on GW model can not be used to calculate the contact force between the pneumatic grinding wheel and the mold surface, but also the relation between the contact force and the press amount is approximately linear, and the linear relationship is good.

Key words: GW model; soft abrasive consolidation; pneumatic grinding wheel surface; contact pressure