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电加热器点焊(氧焊)方法

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点焊(氧焊)
Resistance spot welding (oxygen welding)
(1). 引出棒与电阻丝要保证穿入后紧密接触;
(1). The draw bar and the resistance wire to ensure close contact after penetration;
(2). 要保证焊接牢固,确保缩管时电阻丝不从引出棒上滑脱;
(2). In order to guarantee the welding firm, ensure pipe resistance wire lead out rod not from slipping;
(3). 点焊电流调整到点焊不打火并冒烟为最佳电流,焊点应距引出棒穿丝部分的端面 2mm以上点焊,焊点不少于2处,对头圈丝头,专门点焊,并使丝头不得翘起;
(3). Welding current is adjusted to the spot, no spark and smoking as the best current, solder joints from the lead wire part of the face above 2mm spot welding, solder joint of not less than 2, right ring wire head, special welding, and the screw head not tilt;
(4). 大于0.8mm丝径应氧焊,焊点应在电阻丝穿入引出棒,电阻丝尾部的第一圈与第 二圈丝间距处,其余靠近火焰部分应包裹湿石棉线,防止丝的局部退火,造成拉丝 不均匀现象;
(4). More than 0.8mm diameter should be oxygen welding, solder joint in the resistance wire into the lead, the resistance wire tail first coil spacing and second ring wire, the remaining close to the flame should be wrapped wet stone cotton, prevent local annealing wire drawing, resulting in uneven;
(5). 移动成品时要小心轻拿轻放,保证电阻丝不变形;
(5). Be careful gently mobile products, ensure no deformation resistance wire;
(6). 检验员检验合格后,方可转入下道工序。
(6). Inspectors for inspection, shall be transferred to the next procedure.
工夹量具及设备:储能式点焊机、氧焊设备、焊丝。
Folder measuring and equipment: storage type spot welding, oxygen welding equipment, welding wire.

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