镇江INA轴承钢表层强化的热处理

如何强化进口轴承钢的表面？让我们一起往下看。

How to strengthen the surface of imported bearing steel? Let's look down together.

进口镇江INA轴承零件的工作表面和中点在状态、结构和性能要求上存在较大差异。整体热处理常常使其无法充分考虑材料的未来用途。材料表面强化技术的应用不仅可以解决表面与中点之间结构和要求的差异，而且可以使表面获得某些特殊性能，以满足特殊条件下轴承的要求。这对现代科学技术的发展有着重要的意义。

The working surface and midpoint of imported Zhenjiang INA bearing parts are quite different in state, structure and performance requirements. The overall heat treatment often makes it impossible to fully c***ider the future use of the material. The application of material surface hardening technology can not only solve the difference of structure and requirement between the surface and the center point, but also make the surface obtain some special properties to meet the requirements of bearings under special conditi***. This is of great significance to the development of modern science and technology.

传统的表面淬火方法属于热处理范畴。近年来，激光、电子束和离子束表面强化方法不仅在材料表面强化中应用了一些高新技术，而且超越了镇江INA轴承传统的热处理范畴，形成了新的技术领域。

The traditional surface hardening method belongs to the category of heat treatment. In recent years, laser, electron beam and ion beam surface hardening methods h***e not only applied some high and new technologies in material surface hardening, but also exceeded the traditional heat treatment category of Zhenjiang INA bearing, forming a new technical field.

因此，根据镇江INA轴承表面强化技术的物理化学过程，表面强化技术可分为五类：表面热处理强化、化学热处理强化、表面变形强化和表面膜应力。强化和表面冶金强化。

Therefore, according to the physical and chemical process of INA bearing surface strengthening technology in Zhenjiang, surface hardening technology can be divided into five categories: surface heat treatment strengthening, chemical heat treatment strengthening, surface deformation strengthening and surface film stress. Strengthening and surface metallurgy strengthening.

1）表面热处理强化

1) surface heat treatment strengthening

采用固相转化法快速加热零件表面层。它被称为表面热处理，俗称表面淬火。包括火焰加热淬火，高（中）频感应加热淬火，激光加热或电子束加热淬火。这些方法的特点是：局部表面加热淬火，工件变形小；加热速度快，生产效率高；加热时间短，表面氧化脱碳小。该方法对于提高大型和超大型进口镇江INA轴承零件在一定冲击载荷下的耐磨性和疲劳强度尤其效用强烈。

The surface layer of the parts was rapidly heated by solid phase transformation. It is known as surface heat treatment, commonly known as surface hardening. Including flame heating quenching, high (medium) frequency induction heating quenching, laser heating or electron beam heating quenching. The characteristics of these methods are: local surface heating and quenching, workpiece deformation is ***all; heating speed is fast, high production efficiency; heating time is short, surface oxidation and decarbonization is ***all. This method is especially effective for improving the wear resistance and fatigue strength of large and super-large imported Zhenjiang INA bearing parts under certain impact loads.

2）化学热处理强化

2) strengthening by chemical heat treatment

通过某些元素在固相中的扩散和层次来改变金属表面层的化学组成，以实现表面强化，即化学热处理强化，也称为扩散热处理。它包括渗硼、金属化、渗碳和碳氮共渗、渗氮和氮碳共渗、硫化和硫化、渗铬、渗铝、铬铝、硅化和石墨化。其余金属元素形成化合物。总之，元素的层次渗入可以改变表面层的化学成分，获得不同的相结构。进口轴承钢零件渗碳工艺和进口镇江INA轴承套筒针辊表面氮化强化处理属于此强化方法。

The chemical composition of the metal surface layer is changed by the diffusion and stratification of some elements in the solid phase to achieve surface strengthening, that is, chemical heat treatment strengthening, also known as diffusion heat treatment. It includes boronizing, metallizing, carburizing and carbonitriding, nitriding and nitrocarburizing, sulfurizing and sulfurizing, chromizing, aluminizing, chromizing, silicizing and graphitizing. The remaining metal elements form compounds. In short, the infiltration of elements can change the chemical composition of the surface layer and obtain different phase structures. Carburizing process of imported bearing steel parts and nitriding strengthening treatment of imported Zhenjiang INA bearing sleeve needle roller surface belong to this strengthening method.

文章来自：镇江SKF轴承 www.wh-skf.com

The article is from: Zhenjiang SKF bearing www.wh-skf.com

文章来自：镇江INA轴承 www.ina-china.cn

The article is from: Zhenjiang INA bearing www.ina-china.cn

文章来自：镇江NSK轴承 www.klbbearings.com

The article is from: Zhenjiang NSK bearing www.klbbearings.com

***：524085168

电话：0510-81207777

手机：13311666672