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电工产品的制造工艺是多种多样的。在国外,一般分为热、电化学、电磁、静电和机械等几种加工方法。现将其中几种工艺的应用情况作简单介绍。电阻加热近年来,由于热元件和绝热材料的不断完善以及微电子控制系统的采用,使这种方法在技术上获得更为广泛的应用。例如西德SIGRI公司用碳石墨纤维绝缘和石墨加热器制造了用于供电碳制品石墨化的新型高温电炉。电阻加热法还广泛用于电工产品的粉末冶
Electrical products manufacturing process is varied. In foreign countries, generally divided into heat, electrochemical, electromagnetic, electrostatic and mechanical processing methods. Here are some of the applications of the process for a brief introduction. Resistance heating In recent years, due to the continuous improvement of thermal components and insulation materials and the use of microelectronic control systems, this method has been more widely used technically. For example, SIGRI in West Germany manufactures a new high-temperature electric furnace for the graphitization of power-supplied carbon products with carbon graphite fiber insulation and graphite heaters. Resistance heating method is also widely used in electrical powder metallurgy