Title:
動釣合い試験機用の被試験体固定装置および動釣合い試験機
Document Type and Number:
Japanese Patent JP7360699
Kind Code:
B2
Abstract:
To provide a test object fixing device for a dynamic balancing test machine and the dynamic balancing test machine including the test object fixing device that can reduce an installation error of the test object and thereby improve the unbalance measurement accuracy.SOLUTION: A test object fixing device 4 for a dynamic balancing test machine 1 comprises a fixing part 45 to which an outer circumferential part 2E apart from a reference hole 2C of a test object 2 that is rotatable and forms the reference hole 2C on the rotation center is fixed, and a collet 32 having a cylindrical grip part 42 that is inserted into the reference hole 2C and grips an inner circumferential part 2B of the reference hole 2C of the test object 2. The grip part 42 has a plurality of split grooves aligned in a circumferential direction S of the grip part 42, and the grip part 42 is expandable in response to a change in a side width of the split groove. The test object fixing device 4 includes an expansion mechanism 46 for expanding the grip part 42.SELECTED DRAWING: Figure 1
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Inventors:
Masami Matsuo
Masato Ueno
Masato Ueno
Application Number:
JP2019217105A
Publication Date:
October 13, 2023
Filing Date:
November 29, 2019
Export Citation:
Assignee:
Nagahama Manufacturing Co., Ltd.
International Classes:
G01M1/02
Domestic Patent References:
| JP2018091655A | ||||
| JP2002350270A | ||||
| JP1270630A |
Attorney, Agent or Firm:
Patent Attorney Corporation Ai Patent Office