微細表面構造を有する高機能切削工具の開発 : 鉄鋼材料切削における工具耐摩耗性の向上(機械要素,潤滑,設計,生産加工,生産システムなど)

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  • Development of a Highly-Functional Cutting Tool with Textured Surface : Improvement of Tool Wear Resistance in Steel Cutting(Machine Elements, Design and Manufacturing)
  • 微細表面構造を有する高機能切削工具の開発--鉄鋼材料切削における工具耐摩耗性の向上
  • ビサイ ヒョウメン コウゾウ オ ユウスル コウキノウ セッサク コウグ ノ カイハツ テッコウ ザイリョウ セッサク ニ オケル コウグ タイマモウセイ ノ コウジョウ

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In the cutting processes, improvement of anti-adhesive effect and wear resistance of cutting tools are strongly required for increasing the tool life. Then our previous researches proposed and developed cutting tools with nano/micro-textured surfaces to determine the role of the textured surfaces in a) retaining cutting fluid, and b) reducing the actual contact area between the tool and chip. In actual, these effects led to increase lubricity on the tool surface and achieve the high anti-adhesive effect in cutting of aluminum-alloys. In this study, the previously developed tool with nano/micro-textured surface was applied to cutting of steel materials (S53C) in the hopes of improving the wear resistance and it was found that the serious problem relating to the wear remains. Therefore, the TiAIN-coated cutting tool with periodical stripe grooves was newly developed to overcome the above-mentioned problem. And it was revealed that the new texture and the coating on the tool surface reduce the tool wear significantly from a series of face milling experiments for steel material.

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