Experimental results have shown that the system features precise speed control and simple design as compared to the sensing circuit controlled by T-type proportional speed regulation valve.

试验结果表明，与比例三通调速阀控制的敏感回路相比，该系统速度控制精度高，结构简单。

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This output transferred thorough PWM driver circuit and changed into current signal to the proportional magnetic valve.

由PW M脉宽调制器驱动功率驱动电路，输出电流信号驱动比例电磁铁。

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Hydraulic circuit controlled by proportional valve. The clamping and injection stroke are controlled by potentiometer. Microprocessor can save up to 46 sets of mould date.

油压回路采用比例式电磁阀(全比例)控制，电控采用微电脑控制射出、关模，行程采用数位尺控制，能记忆46组模具资料。

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