無師自通系列書 常用電焊機維修技術(shù)

前言第一章 焊機維修基礎 ····················································· 1第一節(jié) 焊機故障與維修概述 ········································ 1一、焊機故障分類 ····················································· 1二、焊機維修方法 ····················································· 2第二節(jié) 焊機維修工具與材料 ········································ 7一、焊機維修用儀表與工具 ········································· 7二、焊接維修用材料 ················································· 28第三節(jié) 常用電子元器件識別與檢測 ······························ 54一、電阻元件 ···························································· 54二、電容 ······························································· 59三、電感元件 ·························································· 62四、半導體二極管 ···················································· 66五、半導體三極管 ···················································· 67六、晶閘管 ····························································· 70七、場效應管（MOSFET） ········································· 71八、絕緣柵雙極型晶體管（IGBT） ······························· 73九、集成電路 ·························································· 75第四節(jié) 電路圖識讀 ··················································· 76第二章 弧焊電源分類與選用 ··········································· 84第一節(jié) 弧焊電源的分類與型號 ···································· 84一、弧焊電源的分類 ················································· 84二、弧焊電源的型號 ················································· 862第二節(jié) 焊接電弧 ······················································ 89一、焊接電弧的構(gòu)造 ················································· 89二、焊接電弧的靜特性 ·············································· 90第三節(jié) 弧焊電源的電氣特性 ······································· 91一、弧焊電源的外特性 ·············································· 91二、弧焊電源的調(diào)節(jié)特性 ············································ 93三、弧焊電源的動特性 ·············································· 95第四節(jié) 弧焊電源的選擇 ············································· 96一、根據(jù)焊接電流種類選擇 ········································· 96二、根據(jù)焊接工藝方法選擇 ········································· 96三、根據(jù)弧焊電源功率選擇 ········································· 97四、根據(jù)工作條件和節(jié)能要求選擇 ································ 98第五節(jié) 弧焊電源的安裝與使用 ·································· 100一、焊接回路附件的選用 ·········································· 100二、弧焊電源的安裝 ··············································· 100三、弧焊電源的使用 ··············································· 101第三章 弧焊變壓器 ····················································· 103第一節(jié) 弧焊變壓器工作原理與分類 ···························· 103一、弧焊變壓器的工作原理 ······································· 103二、弧焊變壓器的分類 ············································ 103第二節(jié) 常用弧焊變壓器 ··········································· 104一、同體式弧焊變壓器 ············································ 104二、動圈式弧焊變壓器 ············································ 105三、動鐵式弧焊變壓器 ············································ 107四、抽頭式弧焊變壓器 ············································ 108第三節(jié) 弧焊變壓器的故障維修與案例 ························· 109一、弧焊變壓器的維護 ············································ 109二、弧焊變壓器的常見故障與維修 ······························ 109三、弧焊變壓器維修案例 ·········································· 1153第四章 硅弧焊整流器 ·················································· 138第一節(jié) 硅弧焊整流器的組成與分類 ···························· 138第二節(jié) 典型硅弧焊整流器 ········································ 140一、無反饋磁飽和電抗器式硅弧焊整流器 ····················· 141二、全部內(nèi)反饋磁飽和電抗器式弧焊整流器 ·················· 142三、部分內(nèi)反饋磁飽和電抗器式弧焊整流器 ·················· 143第三節(jié) 硅弧焊整流器的故障維修與案例 ······················ 145一、硅弧焊整流器的維護與故障維修 ··························· 145二、硅弧焊整流器的維修案例 ···································· 147第五章 晶閘管弧焊整流器 ············································ 158第一節(jié) 晶閘管弧焊整流器的組成與應用 ······················ 158第二節(jié) ZX5 系列弧焊整流器 ····································· 159一、主電路 ··························································· 160二、觸發(fā)電路 ························································ 161三、控制電路 ························································ 161第三節(jié) ZDK500 型弧焊整流器 ································· 163一、主電路 ··························································· 164二、觸發(fā)電路 ························································ 165三、反饋控制電路 ·················································· 165第四節(jié) 晶閘管弧焊整流器的故障維修與案例 ················ 166一、晶閘管式弧焊整流器的維護與故障維修 ·················· 166二、晶閘管式弧焊整流器的維修案例 ··························· 168第六章 逆變式弧焊電源 ··············································· 183第一節(jié) 逆變式弧焊電源的基本原理和分類 ··················· 183一、逆變式弧焊電源的基本原理 ································· 183二、逆變式弧焊電源的種類 ······································ 184第二節(jié) 典型的逆變式弧焊電源 ·································· 185一、晶閘管逆變式弧焊電源 ······································ 186二、晶體管逆變式弧焊電源 ······································ 1884三、場效應管逆變式弧焊電源 ···································· 189四、IGBT 逆變式弧焊電源 ········································ 191第三節(jié) 逆變式弧焊電源的故障維修與案例 ··················· 191一、逆變式弧焊電源常見故障與維修 ··························· 191二、逆變式弧焊電源維修案例 ···································· 193第七章 氬弧焊機的故障與修理 ······································· 203第一節(jié) 氬弧焊設備 ················································· 203第二節(jié) 氬弧焊設備維護與維修 ·································· 210一、氬弧焊設備的維護 ············································ 210二、氬弧焊設備的常見故障與維修 ······························ 211三、氬弧焊設備故障修理案例 ···································· 213第八章 CO2 氣體保護焊機的故障與修理 ··························· 227第一節(jié) CO2 氣體保護焊設備 ····································· 227一、CO2 氣體保護焊設備組成 ···································· 227二、典型CO2 氣體保護焊機 ······································ 233第二節(jié) CO2 氣體保護焊設備維護與維修 ······················ 238一、CO2 氣體保護焊設備維護 ···································· 238二、CO2 氣體保護焊設備常見故障與維修 ······················ 238三、CO2 氣體保護焊設備故障修理案例 ························· 240第九章 埋弧焊機的故障與修理 ······································· 249第一節(jié) 埋弧焊設備 ················································· 249一、自動埋弧焊機的工作原理 ···································· 250二、MZ1000 型埋弧焊機的構(gòu)造與使用 ························ 251第二節(jié) 埋弧焊設備使用與維護 ·································· 252一、埋弧焊設備使用 ··············································· 252二、埋弧焊設備維護與維修 ······································· 254三、埋弧焊設備故障修理案例 ···································· 256第十章 其他種類焊機的故障與修理 ································· 266第一節(jié) 電阻焊機故障與修理 ····································· 2665一、電阻焊的分類 ·················································· 266二、典型電阻焊設備故障修理案例 ······························ 268第二節(jié) 等離子弧焊設備故障與修理 ···························· 274一、等離子弧焊設備 ··············································· 276二、等離子切割設備 ··············································· 280三、等離子弧焊及切割設備故障修理案例 ····················· 281參考文獻 ··································································· 290