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1、汇控PLC在负压金型温度调节机上的应用1.简介一般温控机都是一正压方式运作（冷水泵抽水加压排出）。这种方法使很多模具活动部位无法冷却或会产生泄漏。负压式则是以低于大气压把水吸引运送至冷却部位。形式就有如我们用饮管吸饮料杯中的空气一样。负压温度调节机主要是用在模具的温度控制上，通过供给模具恒温水，并通过低于大气压的形式将水吸出来了，从而达到模具全面控温的效果。其特点是不会泄漏、活动部分也可以冷却、排除气体、模具设计可更具弹性及大胆。负压温度调节相关参数如下：2.设备流程图digging;hasdualfunctionsofretaining,waterti
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7、youcanrowpileretaining.加热部分设备启动，水泵启动，吸水阀打开，当接受到模具传送过来的合模信号，进水阀打开，吸水阀关闭。并开始计时，到达时间后，进水阀关闭，吹气阀打开，并开始计时，时间到关闭吹气阀，吸水阀打开。等待下次合模信号。具体流程如下：digging;hasdualfunctionsofretaining,watertight;typicallymoreeconomicalconstructionwithoutvibration,noise,lesspollution,squeezingslightly,soconstruct
8、ioninthedowntownareaevenmoreadvantages.D
