Resin grinding wheel and preparation method thereof

The invention relates to the technical field of grinding wheel preparation, and particularly discloses a resin grinding wheel and a preparation method thereof. The resin grinding wheel is mainly composed of a grinding material, a binding agent, filler and an additive, and the filler is mainly prepared from the following raw materials: semi-hydrated gypsum powder, bauxite, polyamide wax micro powder, ceramic powder and a binding agent; the preparation method comprises the following steps that (1) a mixture A is prepared, specifically, the grinding material and the binding agent are mixed, and the mixture A is obtained; (2) preparation of a mixture B: mixing a filler, an additive and the mixture A prepared in the step (1) to obtain the mixture B; (3) compression molding: pressing, drying and hardening the mixture B in a mold to obtain a resin grinding wheel blank body; and (4) hole forming, wherein plane holes are formed in the resin grinding wheel blank body, and the resin grinding wheel is obtained. The prepa