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Riveting screws and bolts are common parts on mechanical equipment, mainly used to link various parts.
But in the process of use, sometimes it will break.
Clean the sludge and drill holes with electric drill hand tool set; ①Remove the sludge on the surface of the broken head of the pressure riveting screw; ②.
Use the center gun to die the center gun of the section; ③, then use the electric drill to install a small diameter point, and then use a large bit suitable bit to drill the hole in the center of the cross section (note that the hole must be drilled through); ④ After the hole is drilled, remove the small drill bit, replace it with a small diameter point, and then use a larger bit suitable drill bit to continue to enlarge and drill the hole of the broken bolt.2.
Use a small and medium current to build the weld from the inside to the outside of the drill hole of the broken bolt.
Take the half of the entire length of the broken bolt at the beginning of the weld and start the weld.