Contribution to tool wear in turning of hypersilumin

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  • ハイパーシルミンの切削における工具摩耗に関する二,三の検討
  • ハイパーシルミン ノ セッサク ニ オケル コウグ マモウ ニ カンスル ニ , サン ノ ケントウ

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Abstract

Severe tool wear is observed in machining of hypersilumin and it is desired to determine proper conditions for cutting in view of tool life. This paper describes that the effects of cutting conditions such as cutting speed and feeding on the tool wear are discussed in detail to determine the optimum conditions with respect to the tool wear.<br>The following two systems were selected for dry turning tests for constant depth of cut:<br>(1) Some combinations of cutting speed and feeding for a constant net time in turning full lenght of a cylindrical specimen.<br>(2) The cutting speed and feeding were voluntarily selected, regardless of the net time for turning.<br>The following results were obtained.<br>In the case of (1):<br>It was advantageous for less tool wear and lower cutting temperature to operate at lower cutting speed and more feeding.<br> In the case of (2):<br>The less feeding gave a little higher cutting speed and longer tool life, which would be economically profitable.

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