Title:
CUTTING TOOL
Document Type and Number:
Japanese Patent JP2000176738
Kind Code:
A
Abstract:
To provide a cutting tool with a structure allowing reuse of a part with little friction degree.
The peripheral edge of a lower hole formed to a work to be cut deforehand is cut by a reamer edge 21c, so as to carry out the finish process of the lower hole. In this case, a burr is formed at the circumferential part of the work, by the burr is removed by a chamfering edge 31a, and the chamfering process is carried out at the peripheral edge of the lower hole. Since afraision is severe in the reamer edge 21c compared with the chamfering edge 31a, only the first tool 20 is renewed, and the second tool 30 is used contineously, if the chamfering edge 31a is available when the reamer edge 21c is unavailable.
Inventors:
SEKI AKIRA
YOSHIDA NORIYUKI
YOSHIDA NORIYUKI
Application Number:
JP35253898A
Publication Date:
June 27, 2000
Filing Date:
December 11, 1998
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
B23D75/00; B23D77/12; (IPC1-7): B23D75/00; B23D77/12
Attorney, Agent or Firm:
Dozo Isono
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