オーステンパ処理球状黒鉛鋳鉄(ADI)歯車の負荷能力に関する研究 : ADIと鋼を組合せた場合の歯面強さおよび歯の衝撃強さ

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In this paper, the load carrying capacity, in particular, the surface durability of gear pairs with a combination of Austempered Ductile Iron (ADI) gear and hardened steel one is investigated using a power-circulating type gear testing machine. The surface durability of cermet-hobbed ADI gears approaches to that of hardened steels if an adequate tooth profile modification is made. The surface durability of shot-peened ADI gears is lower than that of cermet-hobbed ADI ones. This difference is caused by the difference in surface roughness. Furthermore, the impact strength of ADI is investigated with a impact testing machine for gears. It is found that the impact strength of ADI for the gears is as same as that of steel with almost the same hardness as ADI.
一般社団法人日本機械学会の論文
1999-05-25