JPS5332054A - Method of measuring hardened depth on surface - Google Patents

Method of measuring hardened depth on surface

Info

Publication number
JPS5332054A
JPS5332054A JP10572676A JP10572676A JPS5332054A JP S5332054 A JPS5332054 A JP S5332054A JP 10572676 A JP10572676 A JP 10572676A JP 10572676 A JP10572676 A JP 10572676A JP S5332054 A JPS5332054 A JP S5332054A
Authority
JP
Japan
Prior art keywords
hardened depth
measuring
measuring hardened
depth
hardened
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.)
Pending
Application number
JP10572676A
Other languages
Japanese (ja)
Inventor
Akira Sui
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP10572676A priority Critical patent/JPS5332054A/en
Publication of JPS5332054A publication Critical patent/JPS5332054A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP10572676A 1976-09-06 1976-09-06 Method of measuring hardened depth on surface Pending JPS5332054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10572676A JPS5332054A (en) 1976-09-06 1976-09-06 Method of measuring hardened depth on surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10572676A JPS5332054A (en) 1976-09-06 1976-09-06 Method of measuring hardened depth on surface

Publications (1)

Publication Number Publication Date
JPS5332054A true JPS5332054A (en) 1978-03-25

Family

ID=14415301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10572676A Pending JPS5332054A (en) 1976-09-06 1976-09-06 Method of measuring hardened depth on surface

Country Status (1)

Country Link
JP (1) JPS5332054A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571904A (en) * 1978-11-25 1980-05-30 Japan Steel Works Ltd:The Measurement of thickness of laminate and base material of clad steel by ultrasonic wave
JPS57198005U (en) * 1981-06-12 1982-12-16
JPH01161144A (en) * 1987-12-16 1989-06-23 Japan Steel Works Ltd:The Measuring method for hardening depth of columnar material
US5666287A (en) * 1992-02-07 1997-09-09 Nsk Ltd. Quench-hardening testing method and apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571904A (en) * 1978-11-25 1980-05-30 Japan Steel Works Ltd:The Measurement of thickness of laminate and base material of clad steel by ultrasonic wave
JPS57198005U (en) * 1981-06-12 1982-12-16
JPH01161144A (en) * 1987-12-16 1989-06-23 Japan Steel Works Ltd:The Measuring method for hardening depth of columnar material
US5666287A (en) * 1992-02-07 1997-09-09 Nsk Ltd. Quench-hardening testing method and apparatus

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