Product Overview The automatic sink seam welding machine features a servo-controlled welding wheel that rotates a full 360 degrees, making it suitable for welding sinks at different angles. The welded workpiece moves between the rollers to produce a sealed weld with overlapping molten cores, joining curved and straight seams alike. Key Features 360 Degree Rotating Welding Wheel: Servo-controlled electrode rotates a full circle to follow curved, corner and straight seams.