MZ-Zkautomatic submerged arc welding tractor can automatically weld under the protection of flux with general dropping characteristic welding power source,slowdown characteristic welding power source,constant-voltage welding source,and arc welding power source. Except the function same as the common submerged arc welding tractor in the market, it has the following advantages: adopting two-drive wire feeder, long life,quick dynamic response,low inertia and high pilling torque, and flexible structure, easy to be regulated and fitting for welding tractor at various pisition.
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