Title:
TOOL HOLDER AND PROCESSING METHOD FOR WORKPIECE
Document Type and Number:
Japanese Patent JP2003200328
Kind Code:
A
Abstract:
To provide a shrinkage-fitted tool holder without lowering tool holding force, even if cutting heat is conducted to the tool holder via a tool while processing a workpiece.
In this shrinkage-fitted tool, many peripheral direction grooves 15 are formed on an outer periphery of a cylinder 13 having a tool holding hole 11, cutting heat conducted via the tool is radiated by an air-cooling action at rotation, and thermal expansion of the cylinder part 13 is suppressed.
Inventors:
TAKIGUCHI KOICHI
Application Number:
JP2001400210A
Publication Date:
July 15, 2003
Filing Date:
December 28, 2001
Export Citation:
Assignee:
MAKINO MILLING MACHINE
International Classes:
B23Q11/12; B23Q3/12; (IPC1-7): B23Q3/12; B23Q11/12
Attorney, Agent or Firm:
Takashi Ishida (4 others)
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