First, the commutation method is unidirectionally worn on the tooth surfaces of the gear teeth. If the structure permits, the gear can be swapped or flipped 180 degrees to use its unworn side. However, it is best to use them in pairs, or replace the gears they are in with new ones to ensure the normal meshing of the gears. Second, insert gear ring Actuator gear is made by a few gear together, the damage of each gear is different, such as individual wheel wear, can be used to replace the ring gear repair method. First, the gear to be repaired is annealed, the vehicle wears all the worn gear teeth, and a gear ring gear is additionally mounted on the part where the gear is removed from the vehicle. In order to prevent the new ring gear from loosening, it can be spot-welded circumferentially at the joint of the ring gear and the gear, or drilled into a stud to fix it. Third, insert the gear method to the load is not large, the speed is not high gear, after the individual teeth are destroyed, can be used to insert the tooth method for local update. Repair Fang Jie cut the roots of bad gear teeth on the planer or fit into the trapezoidal groove, press the new tooth embryo with the same groove shape into it with a certain degree of tightness, weld firmly and shape the plastic. Fourth, the surfacing welding gear gear oil or a few or several teeth in the face wear or wear on both sides of the teeth exceeds the limit, etc., can be based on gear damage, in the whole or part of the surface of the gear tooth welding layer or layers of filling metal. The welding repair of gears can be divided into welding and gas welding. Surfacing repair gear, simple operation, good repair quality. 5. The screw-toothing method removes the toothed gear, cleans it, measures the thickness of the tooth root with a vernier, and flattens and cleans the tooth-reduced area with a crusher. According to the thickness of the tooth root, the corresponding diameter of the screw is selected, the length of the thread is not less than 1.5 to 2 centimeters, and then a bench drill is used to drill the tooth with the same diameter as the screw and tap the tap. Screw the selected screw into the screw hole, then use a hacksaw to saw out the screw that is higher than the top part of the tooth, and then use a crusher to process it into the same tooth as the original tooth shape.

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