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EVV SV-63P

The pneumatic butt welding machine type Sv‑63P features a robust vertical structure comprising vertical clamping jaws and a sliding movable plate. Clamping is achieved via tandem cylinders, while the support plate on the static side is isolated from the base frame, which also carries the movable slides connected to a horizontal cylinder for compressing the workpiece. The movements of the slides are mechanically limited in both directions—for clamping and opening—and the distance between the clamping jaws can be adjusted according to the cross-section or diameter of the workpiece. Clamping at the set jaw distance is controlled via foot pedals. An additional control cabinet with switches and buttons allows for individual or simultaneous clamping and supports both manual and automatic welding. Once welding is complete, the clamping jaws open, and the slides return to their initial position. Welding parameters are set via a controller mounted on the side of the machine. Welding voltage is regulated by thyristors, and the power transformer is fully encapsulated and water-cooled, connected to the contact jaws by laminated conductors. Inside the device, a power board with a thyristor and a main control board ensure smooth operation. On the machine cover, a compressed air maintenance unit with a pressure regulator is fitted for adjusting the clamping force. The machine’s main power switch is located on the controller used for setting the welding parameters.
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