Study on the Influence of Workrest Positions on the Deflection of Crankshaft of an Orbital Grinding System

J. Jang; W.C. Choi; C.R. Cho; S.J. Cho

doi:10.4028/www.scientific.net/AMM.772.274

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 772Study on the Influence of Workrest Positions on...

Study on the Influence of Workrest Positions on the Deflection of Crankshaft of an Orbital Grinding System

Abstract:

In this study, the influence of workrest positions on the deflection of a crankshaft is investigated, in order to enhance the machining precision in orbital grinding. Crankshafts of 3m, 5m and 8m are selected, and three types of states (no machining, journal machining and pin machining) are studied. The model is simplified with stiffnesses applied to the stock instead of real contact between workrest and stock. As the workrests are positioned to the machining region, the deflection of the machined stock is reduced. Pin machining shows more stable result than journal machining.