ホブ切り過渡現象の観察と切りくず生成機構の解明 : 第2報,ホブ切り過程における切りくず生成と挙動(機械要素,潤滑,工作,生産管理など)

概要

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The transient phenomenon of chip generations and behavior in hobbing are investigated by using high-speed video camera. The chip behavior in gear finish hobbing process and in hobbing of a special workpiece with one tooth space is investigated. New visual findings such as the chip interference on rake surface and the condition of contact with the work surface can be obtained. In the case of dry cutting with high-speed steel flytool having non-coated rake face, the flytool cuts the workpiece frequently as attaching on the rake face with the chip before one revolution. The newly produced chip push out the old attached chip and flies away. The now of chip is interfered strongly at the corner of cutting edge when both top and side cutting edges produces it at the same time, and flow out as changing the shape. Three chips attached on the rake face before next cutting are also observed.
2003-02-25