JPH0422444B2 - - Google Patents

Info

Publication number
JPH0422444B2
JPH0422444B2 JP20969285A JP20969285A JPH0422444B2 JP H0422444 B2 JPH0422444 B2 JP H0422444B2 JP 20969285 A JP20969285 A JP 20969285A JP 20969285 A JP20969285 A JP 20969285A JP H0422444 B2 JPH0422444 B2 JP H0422444B2
Authority
JP
Japan
Prior art keywords
light
screw
reflected light
width
tube
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.)
Expired
Application number
JP20969285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6269113A (ja
Inventor
Kenichi Matsui
Kyohiko Kawaguchi
Yoichi Suzuki
Mitsuhito Kamei
Mikio Tachibana
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.)
Mitsubishi Electric Corp
Nippon Steel Corp
Original Assignee
Mitsubishi Electric Corp
Sumitomo Metal Industries 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 Mitsubishi Electric Corp, Sumitomo Metal Industries Ltd filed Critical Mitsubishi Electric Corp
Priority to JP20969285A priority Critical patent/JPS6269113A/ja
Publication of JPS6269113A publication Critical patent/JPS6269113A/ja
Publication of JPH0422444B2 publication Critical patent/JPH0422444B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP20969285A 1985-09-20 1985-09-20 ネジ表面検査装置 Granted JPS6269113A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20969285A JPS6269113A (ja) 1985-09-20 1985-09-20 ネジ表面検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20969285A JPS6269113A (ja) 1985-09-20 1985-09-20 ネジ表面検査装置

Publications (2)

Publication Number Publication Date
JPS6269113A JPS6269113A (ja) 1987-03-30
JPH0422444B2 true JPH0422444B2 (enrdf_load_stackoverflow) 1992-04-17

Family

ID=16577049

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20969285A Granted JPS6269113A (ja) 1985-09-20 1985-09-20 ネジ表面検査装置

Country Status (1)

Country Link
JP (1) JPS6269113A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073326B2 (ja) * 1987-07-08 1995-01-18 川崎製鉄株式会社 ロール表面のクレータ形状測定方法
JP2008185462A (ja) * 2007-01-30 2008-08-14 Toyota Motor Corp ねじ良否判定方法及びねじ良否判定装置
DE102007017747B4 (de) * 2007-04-12 2009-05-07 V & M Deutschland Gmbh Verfahren und Vorrichtung zur optischen Vermessung von Außengewinden
JP5251617B2 (ja) * 2009-03-06 2013-07-31 Ｊｆｅスチール株式会社 ねじ形状測定装置およびねじ形状測定方法
JP4789028B2 (ja) * 2010-01-29 2011-10-05 住友金属工業株式会社 欠陥検査装置

Also Published As

Publication number Publication date
JPS6269113A (ja) 1987-03-30

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