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ユ ニ ッ ト シ ー ト |
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氏 名 |
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ユニット |
被覆アーク溶接3(下向溶接 裏当て有) |
分類番号 |
MU202-X071-1 |
自 己評 価 |
指導員確 認 |
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到達水準 |
(1)アーク溶接機の保守と点検ができること |
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(2)下向V形突合せ溶接(中板・裏当て金あり(A-2F))の溶接施工について |
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知っていること |
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(3)溶接条件が設定できること |
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(4)溶接棒の選定ができること |
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(5)下向V形突合せ溶接(中板・裏当て金あり(A-2F))ができること |
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(6)安全衛生作業ができること |
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教科の細目 |
内 容 |
訓 練 時 間 |
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学科 |
実技 |
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溶接施工 |
(1)溶接継手、開先形状及び溶接記号 |
3 |
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(2)タック溶接、本溶接及び溶接姿勢 |
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(3)溶接部の点検と溶接欠陥 |
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交流アーク溶接機 |
(1)交流アーク溶接機の設置及び取扱い |
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の保守点検 |
(2)ホルダ及び電撃防止器の取扱い |
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(3)保護具の正しい着用 |
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(4)溶接棒選定及び電流調整 |
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母材の加工とタッ |
(1)ミルスケール、さび、油などの除去 |
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ク溶接 |
(2)開先角度及びルート面の加工 |
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(3)ルート間隔の調整 |
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(4)タック溶接 |
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(5)逆ひずみ |
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下向V形突合せ |
(1)電流調整(各層毎に) |
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溶接 |
(2)本溶接 |
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(3)外観検査 |
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安全衛生 |
(1)安全における要点 |
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(2)衛生における要点 |
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3 |
15 |
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使用する機械
器具等 |
交流アーク溶接装置一式、ガス切断装置一式、保護具一式、器工具一式 |
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備 考 |
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※自己評価欄にはA、B、Cを記入する。 |
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