LSW Type Longitudinal seam welders is a main process equipment used to produce linear welds on abutting edges of thin wall cylinder or rectangular tube.

    LSW Type Longitudinal seam welders includes: machine seat ,crossbeam ,Hold down fingers,Back-up mandrel,Water cooling copper interleaver ,travel Carriage and Control,dual Axis Slides etc.Hold down fingers can generates a clamping force of up to 25 kg/cm through air-operated;Travel Carriage and Controll is mounted on  the crossbeam,,it is driven by a DC motor to make the straight line sport on the horizontal beam.Dual axis slides provided with manual or dynamoelectric type;control system can add the function  of arc length control or  welding oscillator.