Researches on the Accuracy of Hot-Rolled Gears

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  • 熱間転造歯車の精度に関する研究
  • ネツカンテンゾウハグルマ ノ セイド ニ カンスル ケンキュウ

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Abstract

The results of the investigations on the accuracy of hot-rolled gears reveal that the accuracy is controlled by the shape of gear blanks, heating time, finishing rotations and pressing method of die-rollers besides the accuracy of die-rollers and rolling devices and gear blanks. The results of the investigations on the collapses found near the pitch circle of rolled teeth reveal that these collapses is caused by the sliding friction and the variation in the contacting pressure on the tooth face.

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