Title:
カッタ、クランクシャフトミラー及びクランクシャフトの製造方法
Document Type and Number:
Japanese Patent JP6842930
Kind Code:
B2
Abstract:
A cutter performs milling on a crankshaft blank having a journal and a counterweight coupled to the journal. The cutter includes an annular main body part, a first chip, and a second chip. The annular main body part is centered on a predetermined axis center. The first chip is attached to a circumferential surface of the main body part and is used to cut an external circumferential surface of the journal. The second chip is attached to the circumferential surface of the main body part and is used to cut a groove on the external circumferential surface of the journal.
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Inventors:
Masanobu Tsunoi
Application Number:
JP2017005676A
Publication Date:
March 17, 2021
Filing Date:
January 17, 2017
Export Citation:
Assignee:
Komatsu NTC Ltd.
International Classes:
B23C5/12; B23C3/06
Domestic Patent References:
| JP2000126922A | ||||
| JP2000501656A | ||||
| JP2009066748A | ||||
| JP10277826A |
Foreign References:
| US20150037107 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation