针对传统压力铸造的气孔缺陷,设计了一套基于LOGO!的模具真空装置控制系统,并从总体方案、气路部分、控制部分3个方面较详细地介绍了设计方法。 Aimed at the pore deficiency of conventional pressure casting, a control system of the vacuum mould based on LOGO! is designed. The design method of the general planning, gas-circuit part and control part is represented in detail. |