創成機構による研削加工の形状精度と動力の予測に関する研究(機械要素,潤滑,工作,生産管理など)

概要

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A rotor housing of a Wankel engine has a peri-trochoidal form that is machined by internal grinder, which is operated upon generating mechanism. This mechanism is elastically deformed by inertia force, torque and grinding force that are caused in grinding process. Therefore, some gaps arise in positional relation between a workpiece and a grinding wheel. Besides, grinding parameters, such as radius of curvature, work speed, the contact length and interference anele at the grinding point, vary considerably while the workpiece rotates in a revolution. In this case, it is necessary to estimate the accuracy of ground form and grinding power to design and to manufacture a form generating mechanism or to grind the trochoidal form. The authors show how to estimate the accuracy of ground form and grinding power by the grinding process simulation. Some results are presented in graphs and tables. Good agreement is found between analytical results and measured values.
一般社団法人日本機械学会の論文
2003-06-25