2729 浸炭歯車の加工と性能に関する基礎研究 : 表面形状の変化に及ぼす熱処理工程の影響(S57-1 強度,S57 伝動装置の基礎と応用)

概要

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The manufacturing and running performances of case-carburized gears were investigated in the test rollers. First, the single quenched and tempered rollers and the double quenched and tempered rollers were finished after case-carburizing treatments. Secondly, the hardness distribution of these test rollers which were given the heat pattern was examined by using a heated oil tank. In the rolling/sliding contact condition, the changes in surface shape of test rollers were studied by using a 2-roller-type contact fatigue tester. In the case of double quenched and tempered rollers, the following results are obtained in comparison with single quenched and tempered rollers: (1) The surface hardness after heating decreases under the some temperature and retention time. (2) The amount of changes in surface shape of the rolling/sliding contact does not decrease. (3) The expansion in the dimension is almost same under the high load conditions.
社団法人日本機械学会の論文
2005-09-18