ゴムと鋼の付着特性の影響因子の解明と制御手法の提案(機械要素,潤滑,工作,生産管理など)

概要

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Rubber products are widely used as a material of various engineering components and many of these products are mass-produced with injection molding or compression molding. In those production methods the peeling property of rubber material from the metal molds after rubber molding affects on the production efficiency. However, the adhesion property which is deeply related with peeling property is not clarified enough. In this study, we performed the adhesion test between rubber plates and steel balls and try to clarify the adhesion property. From the result of experiment, pulloff force between rubber and steel has good correlation with the polar component of the work of adhesion which relates to the functional group on the surface of materials. So it is assumed that the primordial cause of the adhesion between rubber and steel is the electrical interaction between surfaces. Based on this idea, we suggest a technique to decrease the pull-off force between rubber and steel by applying electric field on the rubber. As a result of experiment, the pull-off force between acrylic rubber and stainless steel is decreased by 50%.
社団法人日本機械学会の論文
2008-01-25