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提高感应加热的控温精度和自动化程度,是提高感应热处理质量和改善工人劳动条件的重要方面。由于感应加热速度快,零件又往往处于动态,常用的热电偶控温法在感应加热中很难应用,一般的辐射高温计测温精度又不能满足感应加热的要求,所以感应加热测温方法是一急待解决的难题。近十余年来,我国一些仪器厂相继研制了不同型号的红外光电仪,为感应加热的自动控温提供了条件。我厂自1977年在感应加热中使用光电控温系统以来,实现了对多种不同零件的感应热处理自动控温,明显地提高了热处理质量和生产率,改善了劳动条件。下面介
Increasing the temperature control accuracy and automation of induction heating is an important aspect of improving the quality of induction heat treatment and improving the working conditions of workers. Because induction heating speed, parts and often in a dynamic, commonly used thermocouple temperature control in the induction heating is difficult to use, the general radiation pyrometer temperature measurement accuracy can not meet the requirements of induction heating, so induction heating temperature measurement method is An urgent problem to be solved. In the past ten years or so, some instrument factories in our country have successively developed different types of infrared photoelectric instruments to provide the conditions for the automatic temperature control of induction heating. Since 1977, our factory has used photoelectric temperature control system in induction heating, which has realized the automatic temperature control of many kinds of different parts by induction heat treatment, obviously improved the heat treatment quality and productivity, and improved working conditions. Below