本文介绍用钢板制造大型瓜瓣封头模具的经验。其方法是,先用绘图法制作筋板样板,然后按样板划线下料得各种尺寸的筋板和辅助板,再点焊组装后压制外层胎板,最后焊牢即成。该模具不仅适用于冲压各种形状的瓜瓣封头,而且还适用于制作各种圆柱形瓜瓣大型零件。 This article describes the experience of using steel plates to make large melon head dies. The method is that the first method is to make the rib pattern with the drawing method, and then press the pattern to dice the ribs and auxiliary plates of various sizes, then spot welding and assembling the outer layer of the tire board, and finally welding the jars. The mold is not only suitable for stamping various shapes of melon head, but also for making a variety of cylindrical melon large parts.