送料机构：送料机构是靠一对或两对送料轮压紧钢丝，以送料轮的旋转带动钢丝直线前进的装置。
Two, feeding mechanism: feeding mechanism is to rely on a pair of or two of the feed wheel to press the wire, in order to feed wheel rotation to drive the wire straight ahead of the device.
该系列对焊机采用可调的偏芯轮压紧工件的方式，选择合适的电流档位和顶锻力，人控焊接时间完成焊接过程。
With adjustable eccentric pressure work piece applied on this welder, welding process is artificially controlled with proper current and upset force.
主压轮后边有一个圆柱形的次压轮，所述的次压轮压紧在塑料膜上，所述的次压轮的旋转轴水平。
The cylindrical secondary roller is positioned behind the main roller, the secondary roller is compressed on the plastic film, and the rotating shaft of the secondary roller is horizontal.
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