A Study of Hot Machining : A New Heating Method by Friction

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  • 高温切削に関する研究 : 摩擦による新しい加熱方法
  • コウオン セッサク ニ カンスル ケンキュウ マサツ ニ ヨル アタラシイ カネツ ホウホウ

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Abstract

The heating method used in hot machining affects the machinability, machining accuracy, protection for machine tool, cutting tool, and operator. Heating method used hitherto are flame heating, resistance heating, arc heating, induction heating, radiant heating, and others. These heating methods are advantageous in some respects, but require large heating apparatus. Some of them require protection for operator and some are high in initial and running costs. In this paper, a new heating method using friction between the work and shoes was presented. Experimental results showed that the friction heating method was very efficient for the purpose of heating the work materials. It produced a large amount of specific heat input. Both initial and running costs for it were low. Operating this heating apparatus was found safe.

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