Using the incremental PID formula in the carbon potential control, the carburizing software can manage the whole carburizing process, and can still give the alarm for safety protection.

碳势控制，采用了增量式PID算式，渗碳软件既能管理整个渗碳过程，又具有报警及安全保护功能。

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This paper deals with the application of microprocessor for gas carburizing to control carbon potential in order to improve the quality of products. Its principle and method are given.

本文论述了气体渗碳工艺中应用微机控制碳势的原理和方法。借此控制系统提高了渗碳件的质量。

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The better technological process now is the step control of carbon potential during carburizing. It can be considered a multi stage carburation.

目前最佳渗碳工艺方法是在整个渗碳过程中对碳势进行台阶式控制，这一过程可以看成是一个多段渗碳过程。

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