切りくずの連続処理と引張り切削に関する研究―すくい面形状による切りくず制御の試み―

DOI Web Site 参考文献3件

書誌事項

タイトル別名
  • Studies on Continuous Chip Disposal and Chip-Pulling Cutting
  • キリクズ ノ レンゾク ショリ ト ヒッパリ セッサク ニ カンスル ケンキュウ スクイ メンケイジョウ ニ ヨル キリクズセイギョ ノ ココロミ
  • —すくい面形状による切りくず制御の試み—
公開日
2011
資源種別
journal article
DOI
  • 10.2493/jjspe.77.520
公開者
公益社団法人 精密工学会

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説明

Chips are generally assisted to curl and then broken into pieces by chip breakers. This conventional concept sometimes fails especially when the workpiece is highly ductile or the chip is thin and flexible. Contrary to this conventional method, a new concept of continuous chip disposal is proposed in the present research, where the chip is controlled not to curl and guided to a chip disposer. The key to this concept is chip control to suppress the curl and to guide the chip to desired direction. The continuous chip disposal can also be combined easily with chip-pulling cutting. It is known that the cutting process is improved drastically by pulling the chip, i.e. cutting force, energy and heat are all reduced remarkably. Therefore, new chip control methods are developed as basic technologies to realize the continuous disposal and the chip-pulling. A chip control method is proposed to suppress the up-curl by convex tool geometry, i.e. curved rake face with inverse curvature to the up-curl. Tools with the inversely curved rake faces are developed, and it is confirmed that the up-curl can be suppressed at a certain inverse curvature. Another chip control method is proposed to suppress the side-curl and to control the chip flow direction at the same time by forming guide grooves on the rake face. The tools with the guide grooves and a guide tunnel are developed, and it is demonstrated that the chip can be guided successfully along the guide grooves into the guide tunnel over a fairly wide range of conditions.

収録刊行物

  • 精密工学会誌

    精密工学会誌 77 (5), 520-524, 2011

    公益社団法人 精密工学会

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