... welding machine Main features: For a variety of in straight seam steel butt plate for a variety of arc welding ... Linear bearing guide, belt drive or gear chain drive, DC motor, motor power 0.75kw, stepless speed regulation. ... Precision linear guide rail, ball screw drive, DC motor, motor power 0.75kw, stepless speed regulation. Torch ... the padlock. Can be equipped with power: TIG / MIG.