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"Roller Bearing Co"
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"Roller Bearing Co"
Blogthe focus is to develop auto parts |
12-10 |
Zhangjiagang City is located in the south bank of the Yangtze River is located in the southeast of Jiangsu Province , is a coastal economic development zone and the Yangtze River Interchange two emerging industrial port city . Japan NSK Precision Co., Ltd. has built in Zhangjiagang Zhangjiagang Precision Machinery Co., Ltd. , the company mainly engaged in precision bearings, precision instruments, semi-finished products and related machinery and equipment. The roller bearing manufacturer temple mound Chong , president of Chinese president to visit Zhangjiagang Zhangjiagang mainly to inspect .president of Chinese temple mound Chong welcomed the arrival of his party , and briefed them on the development of this year Zhangjiagang Economic Development Zone . Zhangjiagang City, according to the requirements of economic transformation and upgrading , Economic Development proposed a new development slim bearing plan , the focus is to develop auto parts , precision instruments , represented by the emerging equipment manufacturing industry. A wave of hope NSK Precision Machinery Co., Ltd. Zhangjiagang seize opportunities to accelerate the pace of development , has won more development opportunities , economic development zones will provide more quality services for the development and expansion of
Recently, we passed SKF China CEO Ai Lan Germany learned |
10-29 |
China is expected to become SKF (SKF) largest market Recently, we passed SKF China CEO Ai Lan Germany learned, SKF new factory in China, this investment amounted to more than 600 million yuan, previously, SKF SKF Bearing Factory in Dalian has invested manufacturing plants, including large bearing plant investment of 1.5 billion yuan altogether, why SKF frequent large investment in China shot pen it. SKF bSlim bearing distributor in China, according to insiders regard, China is expected to become Sweden's SKF (SKF) Group's largest market.Currently, SKF's sales in China still behind the United States and Germany, why China is expected to become SKF (SKF) largest market? SKF distributor in China market analysis in the following three aspects.1.SKF growth in China is mainly reflected in the business are: the automotive sector, including cars, trucks, and thin section bearing construction machinery. The second is the industrial market, OEM, the product sold to our customers, these products include trains, machine tools and new energy products; addition, the service, which is to do some more upgrading is to provide customers with service, maintenance, repairs.
2. SKF Group's 2010 financial report: economic crisis caused by the Swedish SKF Bearing Group's sales and profits decline, but in 2010 there are still significant growth, reaching over 90 billion U.S., of which China sales of 7.3 billion yuan. SKF China Ltd in recent years maintained a growth rate of 30%, its sales have accounted for 12% of the Group's share of the growth rate at 30%.3 China and SKF (SKF) development opportunities: China is the world's largest economies in the world, we rarely see the other economies to have such a rapid development. From the industry perspective, trains, machine tools, construction machinery, all in rapid development. Our company deals with more than 40 industry products, are hoping to help China's development.
confrontation frame badly worn or loose rivets ferocious |
10-11 |
nsk bearing roller bearings regular maintenance and noise reduction methodsNsk bearing equipment for regular maintenance, operation and peripheral parts change when the suspension is removed check the bearings, the demand in turn determine whether the second bearing parts can be re-applied and recorded using the good in bad condition. In order to understand and query visit remaining amount of lubricant, the sample back to a good wash bearings.a. inner and outer rings, rolling elements, any of a confrontation between the two frame cracks and rendering debris.b. inner and outer rings, rolling a strip of any one there.c. raceway, ribs, rolling a significant injury card.d. confrontation frame badly worn or loose rivets ferocious.e. raceway, rolling rust and have scars.f. rolling surface, rolling on and playing a significant indentation marks.g. inner diameter surface or outer diameter on the creep.h. overheating discoloration ferocious.i. grease seals and dust sealed bearings to severe damage.Nsk bearings in use, sometimes we can hear bearing noise, in fact, theoretically, the thin bearings itself does not produce noise, and the noise we heard was bearing directly or indirectly arising from the surrounding structure vibrating sound effect. So, why would the bearing vibration it? Today, it is for me to explain something simple for everyone, please read carefully!When changes in the number of rolling loads, will produce excitation when a radial load on a load of imported bearings, its load bearing rolling element number will be some changes in the operation, which caused the load shift direction . The resulting vibration is inevitable, however, now seems to have a bearing vibration and noise are reduced, which is why? Nsk bearings due to the current use of the design to reduce the pre-load, rolling load at all, thereby reducing vibration, but also reduces the noise. Although the use of the pre-loaded, but can not completely relieve the vibration and noise problems. So, how to further reduce the noise it?1, to prevent resonance excitation components and between the components of the vibration excitation.2, change the stiffness, and to achieve the purpose of changing the critical frequency.3, remove the critical excitation vibration.
Roller bearings maintain technical content |
08-16 |
Maintenance and monitoring of rolling bearings Roller bearing should be strengthened in the course of maintenance and monitoring, in order to extend its life. 1, to maintain patency of lubricating oil, selected types of lubricants required, regular and adequate filling lubricant. Ensure that the rolling surface of the roller and the roller and the wall of the sliding surface, to maintain good lubrication oil wax. 2, regular inspection seal seal, and timely replacement of damaged seals. Ensure the sealing performance of the bearing to prevent water, iron oxide into the bearing to prevent leakage of bearing lubricant. 3, combined with the actual business, and actively carry out the monitoring of the bearing operating conditions. Noise Monitoring: Normal operation should be steady hum, regular monitoring and with the sound of normal compared to detect anomalies. Lubricant Monitoring: normal lubricant should be clear and clean, if a lubricant is dirty, there will be wear particles or contaminants. Temperature Monitoring: the temperature rises, the abnormal operation. The Company has carried out temperature monitoring work, willing more extensive customer service. Established record card, record the number of days used bearings online, over the amount of steel and maintaining monitoring status, strengthen the management of the bearing operating conditions. Rolling bearing lubrication 1, the importance of lubrication Bearing lubrication is to use the film to the relative motion of the rolling surface spaced from each other, not because of rough point contact causes excessive wear and failure. Users who are able to attach great importance to bearing lubrication technology, you can guarantee a predetermined period of working life, able to maintain stable performance and rotation accuracy. 2, the kind and properties of grease Lubrication of rolling bearings into grease and oil lubrication, greased lubrication facility has the advantage of simple, easy to leak grease, have some water, gas and other contaminants into the bearing capacity, so under normal circumstances widely greased. In heavy, high-speed, high temperature and other conditions lubricated with oil. Grease is a base oil, thickener and additives filled components. Base oil viscosity of the grease lubrication play an important role, thickener composition on grease properties, in particular temperature characteristics, resistance to water, oil, etc. have a major impact analysis, fill grease additives used to enhance the anti- gasification, rust and extreme pressure properties. Grease thickening agent according to the classification of different types, into lithium, sonar, and other. Rolling bearings used a lithium-based grease, lithium-based greases is characterized by a good water resistance, high dropping point, can be used in contact with water, moisture and mechanical parts. Grease their mobility is divided into several levels of penetration. Penetration Higher numbers indicate a softer grease.3, the filling amount of grease Filling amount of grease to the bearing and the bearing housing space filled with a third and a half appropriate, if added too much fat, the stirring sweep heat deterioration causes deterioration or titanium based grease. Speed ??should be filled in only one third or less. When the speed is low, in order to prevent external iso Acta entering the bearing, can fill up the housing space. 4, the replacement of the grease Grease life is limited, and its lubricating properties in the use of the process of gradually reducing the wear is gradually increasing, so each must be added a certain time interval replacement. Grease replenishment cycle and the bearing structure, speed, temperature, and environmental and other relevant, should be specific conditions for enterprise OK. Grease replacement should be noted that different grades of grease can not be mixed, containing different types of grease thickener mixed lubrication will destroy the structure and consistency, if different grades of grease must be replaced, should the original bearing After complete removal of grease, and added into the new grease.