W一Q点焊机焊机呈现q热现象?/span>
1Q查抄电极与机体之间绝~电阻能否不良,形成局部短路?/span>
2Q查抄进水压力、水量、供水温度能否合适,查抄水\体系能否有污物堵塞,形成׃冷却不好使电极臂、电极杆、电极头q热。第三,查抄铜Y联和甉|臂,甉|杆和甉|头打仗面能否氧化紧张QŞ成打仗电d加发热紧张。第四,查抄甉|头截面能否因损增加q多Q焊机q蝲而发热。第五,查抄焊接厚度、负载连l率能否标Q焊机q蝲而发热?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W二Q点焊机焊点压痕紧张q有挤出物?/span>
1Q查抄电能否过大?/span>
2Q查抄焊接工件能否有高(sh)不^?/span>
3Q查抄电极压力能否过大,甉|头Ş状、截面能否合适?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W三Q点焊机t下脚踏板焊Z工作Q电源指C灯不亮?/span>
1Q查抄电源电压能否正?查抄控制体系能否正常?/span>
2Q查抄脚t开兌炏V交换打仗器触点、分头换挡开兌否打仗精良或烧损?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W四Q点焊机焊接时呈C应有的飞溅?/span>
1Q查抄电极头能否氧化紧张?/span>
2Q查抄焊接工件能否紧张锈蚀打仗不良?/span>
3Q查抄调节开兌否位过高?/span>
4Q查抄电极压力能否太,焊接步伐能否_?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W五Q点焊机焊接时交换打仗器响声异常?/span>
1Q查抄交换打仗器q线电压在焊接时能否低于自n释放电压300伏?/span>
2Q查抄电源引U能否过l过长,形成U\压降太大?/span>
3Q查抄网路电压能否太低,不克不及正常工作?/span>
4Q查抄主变压器能否有短\QŞ成电太大?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W六Q点焊机焊接工g强度不?/span>
1Q查抄电极压力能否太,查抄甉|杆能否紧固好?/span>
2Q查抄焊接能量能否太,焊接工g能否锈蚀紧张Q焊点打仗不良?/span>
3Q查抄电极头和电极杆、电极杆和电极臂之间能否氧化物过多?/span>
4Q查抄电极头截面能否׃损而增大Ş成焊接能量减?/span>
5Q查抄电极和铜Y联和l合面能否紧张氧化?br style="list-style-type: none; margin: 0px; font-family: Tahoma, Helvetica, arial, ?hu)? sans-serif; word-break: break-all; padding: 0px;" />W七大故障,甉|指示灯亮Q工件压紧不焊接?/span>
1Q查抄脚t板行程能否CQ脚t开兌否打仗精良?/span>
2Q查抄压力杆弹簧Z能否调解得当?/span>
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