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本文针对国内离子渗氮炉存在的普遍缺陷:工作不稳定;温度不均匀;测温困难;能耗过多;用途有限。改进阴极和支座结构,增强隔热装置,附设加热器等对策,不但明显地改善了离子渗氮炉的使用性能,而且使之发展成为多功能的离子热处理炉,从而扩大了应用范围,挖掘了潜力,实现了一炉多用。经过198炉次的模拟试验和生产性工艺试验,证明改进后的设备基本上达到了预期目的,收到了良好效果,既能较为满意地完成离子渗氮等低温工艺,又可实现离子渗碳等高温工艺。
In this paper, the general defects in the domestic ion nitriding furnace: unstable work; uneven temperature; temperature measurement difficulties; excessive energy consumption; limited use. Improving the structure of the cathode and the support, enhancing the heat insulation device and attaching a heater, etc. not only significantly improve the performance of the ion nitriding furnace, but also make it become a multi-functional ion heat treatment furnace, thereby expanding the application range and excavating The potential to achieve a multi-purpose furnace. After 198 heats the simulation test and the productive craft experiment, prove that the improved equipment has basically achieved the anticipated goal, has received the good result, can accomplish the low temperature craft such as the ionic nitriding satisfactorily, but also can realize ion carburization and so on High temperature process.