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介绍一种以控制保温时间为原则的简易淬火加热时间报警器,线路简单,能自动连续计时报警,有效地提高了淬火质量,文内介绍了此种报警器的工作过程。附图1幅。
A simple quenching heating time alarm based on the principle of controlling the holding time is introduced. The circuit is simple, the alarm can be continuously chronographed and the quenching quality is effectively improved. The working process of such an alarm is introduced in the article. Figure 1 picture.