S1108-1-4 構成刃先の安定化による切削工具の摩耗抑止の試み([S1108-1]卒業研究コンテスト(1))

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概要

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• In the cutting of Ni-base superalloys with a sintered carbide tool, a built-up edge (BUE) is readily formed at a cutting edge ofa tool. Generally, formation of a BUE has been known as one of the problems for cutting. In particular, chipping accompanied with detachment of the BUE is a serious problem. However, the BUE brings certain advantage to the tool life if the steady BUE settles into the tool edge and acts as a tool edge instead. In this study, cutting experiments by using the tool with chamfered edge were carried out for Inconel 718. From the experimental results, it is found that the stable BUE can restrain tool wear on the rake face and this effect depends on tool geometry. It is suggested that this reduction in wear amount is brought about by effect of restricting tool-chip contact length.

• 2010-09-04

著者

• 柿原 淳史

  名工大・院

関連論文

• S1108-1-4 構成刃先の安定化による切削工具の摩耗抑止の試み([S1108-1]卒業研究コンテスト(1))
• S1303-2-1 CBN切削工具の刃先形状およびチャンファ面性状の最適化による構成刃先挙動制御と境界摩耗抑止([S1303-2]先端材料と加工(2))

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