本文在采用液体渗碳介质的基础上,对难度较大的深细(盲)孔零件真空渗碳的均匀性问题进行了讨论。实验表明,工艺参数不同,渗层的均匀性差异很大。文中着重讨论了各个工艺因素对均匀性的影响,提出了可供生产实用的深细(盲)孔零件真空渗碳工艺方法——滴注渗碳介质附加氮气增压(可简称氮气增压法)以获得均匀的内孔渗层。 Based on the liquid carburizing medium, the problem of the uniformity of vacuum carburizing in the difficult (blind) hole parts is discussed in this paper. Experiments show that the process parameters are different, the uniformity of the permeable layer is very different. This paper focuses on the impact of various process factors on the uniformity, put forward for practical production of thin (blind) hole parts vacuum carburizing process - drip carburizing medium additional nitrogen pressurization (referred to as nitrogen pressurization ) To obtain a uniform inner bore.