Die casting process and apparatus therefor

摘要

A vertical pressure die casting apparatus comprising a stationary member, an air-permeable die detachably mounted on the stationary member and formed with a cavity including a downwardly open runner portion and a casting cavity portion communicating with the runner portion, a die clamping member to clamp the die vertically between the stationary member and the die clamping member, a sleeve held in position with respect to the stationary member and having a bore upwardly communicating with the runner portion of the cavity in the die, and a power cylinder provided below the die and having a cylinder body fixedly held in position with respect to the stationary member and a piston rod extending upwardly into the sleeve and vertically slidable in the sleeve.