Reaming on 18-8 Stainless Steel : Concerning the Surface Roughness and the Accuracy

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  • 18-8ステンレス鋼のリーマ加工 : 仕上面あらさと寸法精度について
  • 18-8 ステンレス コウ ノ リーマ カコウ

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Abstract

This paper describes the conditions to get good surface roughness and the accuracy of reamed hole on 18-8 stainless steel. As the built-up edge affects much the finish and existence of built-up edge on 18-8 stainless steel was not clear, existence was investigated at low cutting speed before the experiment of reaming, and the built-up edge was recognized at such a low cutting speed on 18-8 stainless steel. So, it is neccessary for good finish to prevent the growth of built-up edge as small as possible at reaming on 18-8 stainless steel. For this purpose sulphurized oil is effective as the cutting fluid. Concerning reaming conditions, proper reamer angles, reamer dimensions, cutting speeds and feed speeds can be obtained.

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