This invention relates to a processing method for strengthening rings of commutators characterizing in including the following steps: 1, preparing a resin glue, 2, dipping it in the glue, 3, removing the organic solvent, 4, installing a mold: circling a dried product around a yarn drum then winding the product on a die bar with a winding machine, 5, solidifying: baking the die bar in step 4 in an oven to solidify it, and the temperature is increased steadily in a ladder mode, the solidified temperature is 80-180deg.C and the solidified time is 5-10 hours, then the product is cooled to 60 deg.C or below to be taken out of the oven, 6, removing the mold, 7, removing the feather and processing the outer diameter, 8, rolling and cleaning it.