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介绍了一种可对焊接温度循环次数进行预置、显示、计数,并能根据温度上下限及循环次数自动接通/切断加热电源的控制电路。该电路具有价廉、稳定、实用的优点,可用于管子的扩散焊或钎焊生产工艺中,以提高焊机系统的自动化程度。
A control circuit for presetting, displaying, counting, and automatically turning on / off the heating power according to the upper and lower temperature limits and the number of cycles is introduced. The circuit has the advantages of cheap, stable and practical, can be used in the pipe diffusion welding or brazing production process to improve the degree of automation of the welding machine system.