Note wax before, should first open the rubber mold, check the integrity and clean sex of plastic mold.If it is used in rubber mould, should to the rubber mold especially complex shape is fine in the position of the spray wax remover (can also sprinkle a small amount of talcum powder), to help remove the wax models;Second should be preheated wax injection machine, open air pump, adjust the pressure and temperature.Note wax, should use both hands will splint (can be organic glass or wood, aluminum, etc.) of the rubber mold clamping, note the overall distribution of the finger should make the film pressure evenly;Aim the rubber mold runner injection grosbeak parallel propulsion, top hands after prison note grosbeak motionless, with his feet tread lightly, or wax injection switch and then let go, hands stay after 1 ~ 2 seconds, place the rubber mold for a moment, then open the rubber mold (if the film a bottom, should be first to pull the bottom of the mold), remove the wax models.Wax models out after check carefully, if there is a serious lack of edge, the problem such as broken foot, the wax models belong to waste.If the defects are relatively small, the nap of the wax models should be implemented.