JPH01159976U - - Google Patents

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Publication number
JPH01159976U
JPH01159976U JP5763788U JP5763788U JPH01159976U JP H01159976 U JPH01159976 U JP H01159976U JP 5763788 U JP5763788 U JP 5763788U JP 5763788 U JP5763788 U JP 5763788U JP H01159976 U JPH01159976 U JP H01159976U
Authority
JP
Japan
Prior art keywords
welding
welding current
outputting
predetermined range
defect detection
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
JP5763788U
Other languages
English (en)
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 filed Critical
Priority to JP5763788U priority Critical patent/JPH01159976U/ja
Publication of JPH01159976U publication Critical patent/JPH01159976U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
図面は、この考案の実施例を示し、第1図はス
ポツト溶接機の外観を示す斜視図、第2図は空打
判定用第1レベルP1および空打判定用第2レベ
ルP2に基づく空打判定を説明するための部分拡
大正面図、第3図はスポツト溶接機の欠点防止回
路を示す電気回路図である。 7…上部電極、52…起動制御用リレー、53
…溶接電流検出用コイル、54…溶接電流正常・
異常判定手回路、57…溶接不良検出リレー、7
0…異常表示灯。

Claims (1)

    【実用新案登録請求の範囲】
  1. 溶接電流を検出する溶接電流検出手段、および
    検出された溶接電流が予め定められた所定範囲内
    にあるか否かを判定し、溶接電流が上記所定範囲
    外であるときに、溶接不良検出信号を出力する判
    定手段を備えているスポツト溶接機の溶接不良検
    出装置。
JP5763788U 1988-04-28 1988-04-28 Pending JPH01159976U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5763788U JPH01159976U (ja) 1988-04-28 1988-04-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5763788U JPH01159976U (ja) 1988-04-28 1988-04-28

Publications (1)

Publication Number Publication Date
JPH01159976U true JPH01159976U (ja) 1989-11-07

Family

ID=31283482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5763788U Pending JPH01159976U (ja) 1988-04-28 1988-04-28

Country Status (1)

Country Link
JP (1) JPH01159976U (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637917U (ja) * 1979-09-03 1981-04-10
JPS5677075A (en) * 1979-11-27 1981-06-25 Toyota Motor Corp Defective welding detecting apparatus
JPS5737431A (en) * 1980-08-18 1982-03-01 Tsutomu Wada Electric dustcloth
JPS587396A (ja) * 1981-07-07 1983-01-17 Ricoh Co Ltd 平版印刷用原板の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637917U (ja) * 1979-09-03 1981-04-10
JPS5677075A (en) * 1979-11-27 1981-06-25 Toyota Motor Corp Defective welding detecting apparatus
JPS5737431A (en) * 1980-08-18 1982-03-01 Tsutomu Wada Electric dustcloth
JPS587396A (ja) * 1981-07-07 1983-01-17 Ricoh Co Ltd 平版印刷用原板の製造方法

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