Thermal Crack in the Carbide Face-Milling Cutter : 2nd Report, Its Significance as a Cause of Tool Failures

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概要

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• Several types of cracks which appear in the carbide face-milling cutter, including the thermal crack, are investigated in respect with their signiflcances as the causes of tool failures which occur over a wide range of the cutting speeds. Tool failures at high cutting speeds are classified into several types from their appearances and each type concerns a singular crack. The so-called thermal crack is one of these cracks which cause the tool failures at high cutting speeds. The cutting speed, the feed and the cutting fluid influence the type of the crack which causes the tool failure so that the type of the failure changes. Including the thermal crack, some cracks are explainable as being due to the fatigue of the carbide at an elevated temperature. But there are a few of cracks that do not conform to the above mentioned explanation.

• 一般社団法人日本機械学会の論文

著者

• Okushima Keiji

  Department Of Mechanical Engineering Kyoto University

• Hoshi Tetsutaro

  Department Of Precision Mechanics Kyoto University

• Okushima K.

  Department of Mechanical Engineering, Kyoto University

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• Transitional Phenomenon in Metal Cutting
• Utilizing TiC Cermet in Face-Milling
• A Study of Machinability of Metals : Effect of Microstructure of Metals on Cutting Mechanism
• A Study of Machinability of Metals : Effect of Microstructure of Metals on Tool Life and Surface Finish
• On the Applications of Ceramics in Machining
• Thermal Crack in the Carbide Face-Milling Cutter : 1 st Report, Results Obtained from the Fundamental Cutting Experiments
• Measurement of Cyclic Temperature Change of Tool-Chip Interface in Carbide Fly Milling
• Internal Temperature Distribution of the Carbide Fly Cutting Tool
• Thermal Crack in the Carbide Face-Milling Cutter : 2nd Report, Its Significance as a Cause of Tool Failures
• The Effect of the Diameter of Carbide Face-Milling Cutters on their Failures

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