压边冒口是浇口和冒口合为一体的一种浇冒口系统(也称压边浇口)。它补缩能力强,挡渣去气效果也好,并且造型操作方便、易于去除,已广泛应用于灰铸铁和球墨铸铁件的生产中。为摸索在可锻铸铁生产中应用压(?)冒口的情况,几年来,我们做了不少试验,取得了一些经验。现以我厂生产的 Pressure riser is a runner and riser together a kind of Riser system (also known as pressure gating gate). It has the advantages of strong filling ability and good degassing effect, and its shape is easy to remove and easy to remove. It has been widely used in the production of gray cast iron and ductile iron castings. In order to explore the application of pressure (?) Riser in malleable iron production, in the past few years, we have done a lot of experiments and gained some experience. Now I plant production