How to maintain the slewing bearing of crane?

The slewing bearing of crane is an important joint of crane, so its maintenance is very necessary. For the maintenance of slewing bearing, we should do the following procedures：

Check the bolts on the slewing bearing

1. check the bolts on the slewing bearing visually before each operation of the crane.

2. After the operation of the slewing bearing for the first 100 working hours, we should check whether the bolt is loose or not; check again when operating for 300 working hours; check every 500 working hours thereafter. If bolt is found loose in inspection, please stop the operation and ask the professional technician to check.

3. Fill the slewing bearing with lithium grease before installation.

4. When changing bolts, wipe them clean and fasten them after using retainer; use cranes according to operation manual and lifting performance table; check fastening bolts as required.

Regular check of slewing bearing

1. Check the flexibility of rotation regularly. If noise and impact are found, we should should stop the machine immediately and do troubleshooting.

2. Check whether there are cracks or breakage in the gear ring. 

3. Check the seal condition regularly. If the seal is damaged, replace it in time. 

Bearing manufacturers and oil bearing

Major radiator bearing manufacturers in bearings with the launch of the new technology in recent years, such as magnetic bearing, fluid protection system bearings, hydraulic bearings, rifle bearing, nano ceramic bearing are also on the above the basic form of bearings improved, basic working principle is no change.

Oil bearing sleeve bearing is to use sliding sleeve bearings, Thin section bearing using oil as a lubricant and drag reduction agent, the initial use of operation low noise, low manufacture cost, but the bearing wear serious, life is ball bearing has a big gap.

And the bearing use time, due to the oil seal (computer radiator products can not use high-grade oil seal, in general, is ordinary oil paper), lubricating oil will gradually volatile, sealed angular contact ball bearing and dust will be entering the bearing, causing the fan speed slows down and increase the noise problems, serious but also because of bearing wear caused by severe vibration caused by eccentric fan. These phenomena, either open or seal gas, only buy new fan out.

The world's 8 largest bearing manufacturers catalogue

The world's 8 largest bearing manufacturers catalogue

1, SKF bearing
2, INA bearing
3, NSK bearing
4, FAG bearing
5, NTN bearing
6, IKO bearing
7, KOYO bearing
8, TIMKEN bearing

10 domestic bearing manufacturers,Slewing bearing

1, Luoyang LYC Bearing Co. Ltd
2, Wafangdian City bearing Refco Group Ltd
3, Harbin Bearing Co. Ltd.
4, wanxiangqianchao Limited by Share Ltd
5, the Group Co. Ltd.
6, Zhejiang Tianma bearing Limited by Share Ltd
7, northwest bearing Limited by Share Ltd
8, Xiangyang automobile bearing Limited by Share Ltd
9, Fujian Longxi bearing (Group) Limited by Share Ltd
10, Jinxi axle Limited by Share Ltd

Bearing Manufacturing industry wonderful work

Comrade Wang Bing in 1982 to participate in work, have worked at the former Ministry of Machinery Industry, Luoyang Bearing Research Institute, Zhongshan bearing plant, TCB

Bearing Manufacturing Co., Ltd., served as engineers, technicians, Director, Technology Department, Thin section bearing ,Technical Center, Chief Engineer .

1996 won the Ten Outstanding Youth Science and Technology of Guangdong Province pacesetter" title in 2004, was elected Communist Party of China in Zhongshan City, on behalf of the Eleventh Congress, in 2009 was approved as China Bearing Industry Technology experts, bearing manufacturers has been awarded Excellent Zhongshan Women Scientists , Zhongshan City, outstanding communist , in 2014 was elected National Machinery Industry labor model, theZhongshan outstanding experts · talent title.

She has long been engaged special special bearing design and precision processing technology and unique achievements,high speed bearing , more technical level to solve the military and civilian bearing design, manufacture and technical problems.

wind turbine bearing and the contact surface pressure between the rolling surface will load rise

Bearing distributor from Dalian chapter we learn that  was built resolution switching signal can be divided into two rotation sensors wheel bearings, recently, we have learned from our distributor in Guangzhou  has launched a kinds of new low-friction wind turbine bearing manufacturers  low friction wheel bearings and the most important feature is that compared to conventional bearings, friction in the car when driving straight up to a 40% reduction of wheel bearings.
Automobile fuel efficiency of particular concern today, we can imagine that, if reduced friction, is not it the same time will improve fuel efficiency, followed by Bearing Test Machine distributor us to learn about low-friction wheel bearings.
We know that increasing the radius of curvature of the rolling surface of the trench, the bearing can reduce rolling resistance, but only to increase the rotational radius of curvature of the surface of the groove, the ball bearing and the contact surface pressure Rolling mill bearings between the rolling surface will load rise, so will reduce Bearing Test Machine life. To ensure the car traveling in a straight line, reducing the rolling resistance of the hub bearing, while also ensuring the same level of durability as the original,companies use the rolling surface of the ball and the contact position of the load acting on the wheel bearings of different sizes occur characteristics change, wheel bearings can reduce rolling resistance by 25%, and then to develop a low-friction wheel bearings
 Bearing Corporation to reduce about 25% friction wheel bearings and reduced friction developed before about 15% of the wheel bearing seal package, so the car in a straight line up to make the frictional resistance is reduced to 40% when driving, while improving the car's fuel efficiency.