Patent ID: 6339868
Filing Date: 2002-01-22
Classification: B23B,B23P,Y10T

Abstract:
A cutting tool shrink fitting method comprising:inserting a guide portion which is coaxially connected to a tool main body of a tool into a shrink fitted portion of a hole formed in a tool holding portion; seating a shoulder portion which connects the tool main body and the guide portion on a surface around the hole of the tool holding portion in order to position the tool with respect to the tool holding portion, the tool main body having an insert portion which is configured to be shrink fitted in the shrink fitted portion of the hole, the insert portion having a tool outer diameter larger than the hole inner diameter (d) of the shrink fitted portion of the hole; heating the tool holding portion such that the insert portion of the tool main body of the tool is inserted into the shrink fitted portion of the hole; and cooling the tool holding portion.