First do a car thermostat shell mold, choose the mold processing products and parts, describes its stamping mold design, according to the choice of suitable process route, the part is the thermostat shell, belongs to the rotating workpiece, and contains flange, flange end also needs to be outside curved opposite edge, flange distribution of 20 small holes, the appearance is more complex, but the drawing process performance is better, Parts are made of thick 08 carbon steel to ensure sufficient strength and stiffness.