What is the local extrusion process in high pressure casting?

1. introduction In this article, for the high-pressure casting process of local thick parts prone to porosity and shrinkage, for porosity, shrinkage of the reasons for the analysis, the principle and structure of local extrusion, as well as local extrusion of the process of the main parameters: extrusion depth, extrusion pressure, extrusion delay time, extrusion […]