AUTOMATIC WELDING MACHINES TO JOIN BANDSAW BALDES OR REPAIR CRACKS
Welding is required to join band saw blades or repair cracks. The ends of the saw blades must be cut exactly square beforehand, and the cut surfaces must be cleaned. When this is done, the welding seam is laid on the top of the tooth. The point to be welded is then preheated to approx. 100 °C using a heating plate. After the welding operation, the blade must again be annealed to approx. 450 °C, so that the hardened structure returns to normal and the weld bead does not tear.