论文部分内容阅读
气体氮化发展由来已久,因处理时间长,消耗气源而逐渐被离子氮化方法所代替。离子氮化工艺简单、省时省能,但对于有狭缝的工件经常发生超温甚至局部熔化而损坏。铝挤压模和压铸模一般在试模后进行氮化处理,因粘有少量难以清洗的铝在升温过程中蒸发产生弧光而无法进行正常离子氮化处理。1986年,我们共同设计制造程序自动控制真空氮化设备和研究真空脉冲氮化工艺。几年来应用实践证明,设备装炉量大、工艺周期短、氮化质量稳定,是一种新型的氮化设备和实用的氮化工艺。
The development of gas nitriding has a long history, due to the long processing time, consumption of gas and gradually replaced by ion nitriding method. Ion nitriding process is simple, saving time and energy, but often for parts with a slit over-temperature or even local melting damage. Aluminum extrusion die and die casting die in general after the nitriding treatment, due to adhere to a small amount of difficult to clean aluminum evaporation in the heating process produces arc and can not be normal ion nitriding. In 1986, we co-designed and manufactured automatic vacuum nitriding equipment and vacuum pulse nitriding process. Application practice over the past few years proved that a large amount of equipment, furnace loading, short process cycle, the quality of nitriding is a new type of nitriding equipment and practical nitriding process.