How to repair the mold if the aluminum product is not good enough?Comment List

If the profile wall thickness tolerance allows, file or sand the surface of the working belt of the mold core; if the degree of wear of the working belt of the mold core is severe and the profile wall thickness has reached the upper deviation,replace the mold , repair the shape of the mold core, file it to the required size and polish it before use; if the core working belt is not worn out, file the outer obstruction and the inner detention area of ​​the core working belt.