| 摘要 |
<p>A device for butt welding pipes (99A-B) comprises: a guide element (17) which can surround and can be fixed to one of the ends of the pipes, and a carriage (1) movable along the said guide element and having powered means (25) for moving it along the guide element (17), a welding torch (90), means (29) for feeding it and means (26) for supporting the said welding torch (90) and moving it vertically and horizontally with respect to the said carriage, and means of movement (27) for imparting the oscillatory movement to the said torch and for regulating the amplitude of oscillation and the position of the torch during this oscillation; the regulating and monitoring means (108) are of the electronic type; and means (104) are provided for generating a signal relating to the angular movement of the welding torch (90) during the oscillation.</p> |
