Abstract
Crater wear of cemented carbide tools has been studied by many investigators, and the importance of temperature at the chip-tool interface was pointed out. Temperature may be affected by many factors, i.e., cutting conditions, tool and work materials, and tool shape, etc. The authors performed an experiment of steel cutting by carbide tools with various entering angles and obtained a conclusion that the depth of crater wear varies with the entering angles and it has the maximum value when the angle is about 75 deg. or more in the conditios of the experiment. Also, the friction coefficient, change of the form of chip curl, the development of crater wear, and the cutting resistances were investigated.
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