Metallic bond diamond grinding wheel

The utility model discloses a metallic bond diamond grinding wheel, and belongs to the technical field of grinding wheels. The composite material comprises a base body and a working layer, wherein the base body is of an annular structure, and a connecting convex block is annularly arranged on the peripheral surface of the base body; the working layer is annularly arranged on the periphery of the base body; the inner circumferential surface of the working layer is provided with a mounting groove for clamping the connecting protruding block, and the mounting groove surrounds the inner circumference of the working layer by a circle. According to the diamond grinding wheel, the stability of connection between the base body and the working layer can be improved through mutual clamping connection of the installation grooves and the connecting protruding blocks, and therefore the safety performance of a product can be effectively improved, and the service life of the product can be effectively prolonged; meanwhile,