Non-standard bearing steel market movements and bearing manufacturing damage status, analysis of the causes and preventive measures

Non-standard bearing steel market movements and bearing manufacturing damage status, analysis of the causes and preventive measures against source: bearing | last updated: - 2020 08 - 13 non-standard bearings late bearing steel market, steel market movements will not have the too big, the price is given priority to with steady, there will be no ups and downs of the market, mainly due to the following several aspects. One is the bearing manufacturing industry will not weaken the strength of bearing steel demand. Bearing is mechanical basis of attrition. In addition to the new project and will demand new mechanical products, mechanical products and which hinder the improvement of utilization will increase the consumption of bearing. Along with our country national economy sustainable development, constantly improve the degree of automation, performance, technical requirements for the bearing will be more and more high, the new product emerge in endlessly, demand is also increasing. By 2015, sales of high-end bearing casting industry in China will reach 222 billion yuan. Second, China's high-end equipment localization increased demand for high-end bearing. At present, the domestic ordinary bearing steel can meet the market demand, to realize the localization, but high-end equipment required high-end bearing with localization has certain gap, still want to import, such as the angular contact ball bearings, thrust ball bearings, cylindrical roller bearings and tapered roller bearings, cars, high-speed rail, wind power at the same time, form a complete set of precision machine tool spindle bearing and other high-end bearing products has always been soft rib of bearing industry in China. Therefore, our country high-end bearing larger development space, a vast market potential. Bearing damage status, analysis of the causes and preventive measures against damage status: when bearing load bearing rotation again, inner ring and outer ring raceway surface or rolling decent present designed stripping due to rolling fatigue phenomenon. Damage reason: too much load. Install the bad ( Non linear) The torque load foreign invasion, into the water. Bad lubrication, the lubricant is not appropriate, bearing clearance is not appropriate. Bearing box accuracy is bad, bearing box of uneven rigidity, axial deflection of large, rust, erosion point, scratch and indentation ( The surface deformation phenomenon) The development of the cause. The size of the damage measures: check the load and the bearing institute to use again. To improve the installation methods, improve the sealing device, when stop rust. Using the appropriate lubricant viscosity, improving the lubrication method. Check the shaft and the precision of the bearing housing. Check the clearance.