JPS6469948A - Apparatus for locating ae generating spot - Google Patents

Apparatus for locating ae generating spot

Info

Publication number
JPS6469948A
JPS6469948A JP22887887A JP22887887A JPS6469948A JP S6469948 A JPS6469948 A JP S6469948A JP 22887887 A JP22887887 A JP 22887887A JP 22887887 A JP22887887 A JP 22887887A JP S6469948 A JPS6469948 A JP S6469948A
Authority
JP
Japan
Prior art keywords
sensor
comparator
inputted
ball bearing
reference value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22887887A
Other languages
English (en)
Other versions
JPH0726942B2 (ja
Inventor
Shigeto Nishimoto
Tomoyuki Saegusa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koyo Seiko Co Ltd
Original Assignee
Koyo Seiko Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koyo Seiko Co Ltd filed Critical Koyo Seiko Co Ltd
Priority to JP22887887A priority Critical patent/JPH0726942B2/ja
Publication of JPS6469948A publication Critical patent/JPS6469948A/ja
Publication of JPH0726942B2 publication Critical patent/JPH0726942B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP22887887A 1987-09-11 1987-09-11 Ae発生箇所標定装置 Expired - Fee Related JPH0726942B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22887887A JPH0726942B2 (ja) 1987-09-11 1987-09-11 Ae発生箇所標定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22887887A JPH0726942B2 (ja) 1987-09-11 1987-09-11 Ae発生箇所標定装置

Publications (2)

Publication Number Publication Date
JPS6469948A true JPS6469948A (en) 1989-03-15
JPH0726942B2 JPH0726942B2 (ja) 1995-03-29

Family

ID=16883277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22887887A Expired - Fee Related JPH0726942B2 (ja) 1987-09-11 1987-09-11 Ae発生箇所標定装置

Country Status (1)

Country Link
JP (1) JPH0726942B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3373718B2 (ja) * 1996-03-21 2003-02-04 松下電工株式会社 軸受の傷検出方法
JP5713276B2 (ja) * 2010-11-10 2015-05-07 株式会社Ihi 軸受劣化判断方法と装置

Also Published As

Publication number Publication date
JPH0726942B2 (ja) 1995-03-29

Similar Documents

Publication Publication Date Title
ATE333642T1 (de) Vorrichtung zum ultraschall-lecknachweis
JPS55138634A (en) Fault diagnosis apparatus of apparatus
GB1005815A (en) Improvements relating to methods of and apparatus for the detection of flaws
DE69631142D1 (de) Zustandsüberwachung eines Gasdetektors
JPS6469948A (en) Apparatus for locating ae generating spot
EP1004849A4 (en) ROTARY SPEED SENSOR
JPS6469949A (en) Apparatus for locating ae generating spot
JPS56117409A (en) Amplifying device
JPS5692422A (en) Detecting device for oscillation of turbine-driven generator
CA2274810A1 (en) Dry bearing detection apparatus
JPS55159119A (en) Bearing abnormality detector
JPS5531542A (en) Abnormality detecting system for tool or work in machine tool
JPS5722526A (en) Detecting method for unbalance quantity in rotating body
JPS5482248A (en) Beam detection circuit for laser recorder
JPS5240188A (en) Device for detecting damages of bearings
JPS5626226A (en) Defect detecting method of bearing
JPS5682459A (en) Spark detector
JPS5774627A (en) Monitoring method for periodic motion object
JPS5713324A (en) Abnormal sound monitor for rotary machine
DE59208266D1 (de) Prallmühle
JPS60255354A (ja) 工具折損検出装置
JPS5248385A (en) Destruction detecting method and system for fatigue test of steel wire
JPS5571928A (en) Monitor for abnormality of plain bearing
JPS55164354A (en) Detecting method of mixed foreign material
JPS5720623A (en) Acoustic diagnosis device for rotating machine

Legal Events

Date Code Title Description
S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees