創成機構による研削形状精度の予測に関する研究 : 加工精度の予測による設計・加工条件設定の指針(機械要素,潤滑,工作,生産管理など)

概要

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A rotor housing is one of main parts that compose combustion chambers of Wankel engine. The inside of it is peri-trochoidal form is shape. It is ground with a grinding wheel at a fixed point on the locus of workpiece moved by a generating mechanism. Workpiece radius and speed at the grinding point vary considerably. Inertia force, torque and grinding force that are caused in the grinding process, elastically deform this mechanism and wheel axis system in proportion to the square of workpiece rotational speed. Therefore, the positional errors arise between a workpiece and a grinding wheel and those affect grinding form. To grind it efficiently and accurately, it is extremely important in the design process of grinding machine and in the processing of peri-trochoidal form to forecast quantitatively the ground form accuracy under such grinding condition. In this report, the form accuracy has been analyzed by grinding simulation system when the conditions variously change. Useful and effective guidelines are obtained for designing the machine and grinding the form.
一般社団法人日本機械学会の論文
2004-03-25