Title:
OUTER DIAMETER MEASURING METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JP3414362
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an outer diameter measuring method and apparatus which enable measuring of the outer diameter of work without damaging the work.
SOLUTION: The measuring apparatus 10 inserts work 30 into a reference hole 22A fed with a fluid and detects the current back pressure with an A/E converter 18. A control part 20 compares a detection value of the A/E converter 18 with a master reference value to be converted to the outer diameter of the work 30.
Inventors:
Susumu Sawafuji
Masahiro Tomoe
Kazuo Nakajima
Masahiro Tomoe
Kazuo Nakajima
Application Number:
JP2000151777A
Publication Date:
June 09, 2003
Filing Date:
May 23, 2000
Export Citation:
Assignee:
Tokyo Seimitsu Co., Ltd.
International Classes:
G01B13/08; (IPC1-7): G01B13/08
Domestic Patent References:
| JP6186009A | ||||
| JP264492B1 |
Attorney, Agent or Firm:
Kenzo Matsuura
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