Patent ID: 6312201
Filing Date: 2001-11-06
Classification: B23B,Y10T

Abstract:
An interference fit cutting tool comprising:a shank section which has an end and another end and which is configured to be attached to a machine at the end of the shank section and which is provided at the another end of the shank section with a tapered hole portion, an inner peripheral surface of the tapered hole portion being inclined to decrease a diameter toward an opening of said tapered hole portion; anda head section which has an end and another end and which is configured to be provided with a cutting tip at the end of the head section and which is provided at the another end of the head section with a tapered shaft portion which is configured to correspond to the tapered hole portion, an outer peripheral surface of said tapered shaft portion being inclined to increase a diameter of the tapered shaft portion toward a free end of said tapered shaft portion, the shank section having a coefficient of thermal expansion higher than that of the head section such that the tapered shaft portion is interference shrink-fitted in the tapered hole portion.