Shaving die, mainly used for the production of high-speed rail cement prefabricated shutter, the shutter can be installed above the sound barrier used to reduce the high-speed noise generated in the high-speed bridge, high-speed rail bridge on both sides of a wide range of applications. At present, the shield mold and the cover plate steel mold are used in the project construction, in the actual prefabrication process also has its own advantages and disadvantages.