LED strong "upper" Hangzhou Linan lighting industry transformation breakthrough

This newspaper (in the Linan reporter Guan Guangqian correspondent Xu Xuezhen), Hangzhou Pro City has more than 100 energy-saving lamps enterprises shut down or transferred due to environmental protection or efficiency reasons, most of them in Gaohong Town. According to the statistics of Gaohong Town, last year, the sales value of 38 energy-saving lamps companies in the town had a negative growth rate of 26 years. Among them, there were 16 companies with a drop of more than 10%, the largest drop of 46%. Although we have already predicted in advance that the energy-saving lamps will be replaced by LED lights, I did not expect that the shock wave will come so fast, and the strength is so great. Xia Jianpei, secretary general of Lin'an Lighting Association, said. The development potential of energy-saving and environmentally-friendly LED lamps is the loss of energy-saving lamps. On the one hand, there is a background of weak global economy; on the other hand, with the rapid development of LED lighting technology, the manufacturing threshold and sales price of LED products are becoming more and more civilian, plus The process is environmentally friendly and the service life is much longer than that of energy-saving lamps, resulting in a severe squeeze on the market share of energy-saving lamps. However, Gao Hong people have always been good at change. One person first sniffed the advent of the LED era and resolutely tested the water in this new blue ocean. He is Zhang Linfu, a family member of Yuzhong Gaohong Lighting Appliance Co., Ltd. Zhang Linfu was one of the first people to do energy-saving lamps in Gaohong Town. As early as 2009, while expanding the market share of energy-saving lamps, Zhang Linfu has quietly joined hands with a Shanghai-based LED trading company to establish Yuzhong Branch to start research and development of LED filament lamps. The life of energy-saving lamps is 8,000 hours, but LED lights can reach 15,000 hours. For the same power, LED lamps consume only 1/10 of the energy of incandescent lamps. What's more, it's environmentally friendly and has little pollution. Zhang Linfu said. Zhang Linfu said that in 2014, the total output value of Yuzhong reached 1.36 billion yuan, and the LED lamp contributed 240 million yuan. This year, we created a production value of 1.5 billion yuan, and LED lights strive to achieve 700 million yuan. By 2017, Yuzhong will fully jump to the 3 billion yuan mark, and LED lights will account for 90%. Recently, Yuzhong established LED Energy Saving Engineering Service Company to position Yuzhong's future as a designer, manufacturer and service provider of LED lighting engineering. The application field of LED lamps in the market segment is driven by Zhang Linfu. At present, there are 12 energy-saving lamp companies such as Xinlian and Sanlian in the security city to transform into the LED lamp market. From the current point of view, most of the transformation enterprises in Lin'an are engaged in the production and processing of LED illuminators. They are at the end of the industrial chain, the profit margin is not large, and the market competitiveness of products is not strong. Wang Qishun, director of the Economic and Trade Bureau of Lin'an City, said that in the future, if the lighting industry in Linan wants to make a difference in the LED lamp market, it must first carefully study and segment the market, and not engage in lighting in one go, avoid homogenization competition. . Wang Qishun said that the application field of LED is very broad. For example, some scientists have discovered that LED light of different wavelengths can promote the growth of animals and plants. If you can master the technical formula of one of the band LED lights, it can stimulate the growth of roses or perfumed lilies, which is also a big business opportunity. Wang Qishun believes that the LED industry in Linan should pay attention to the article of Internet +, integrate LED research and development into smart home and smart office. At the same time, it should also focus on developing LED e-commerce and actively rely on online sales channels. He revealed that nowadays, Linan is working on building a LED public service platform, and is striving to provide professional services for enterprises in technology research and development, skill training, product inspection, marketing, industry management, and talent introduction. Nowadays, Linan is working on building a LED public service platform, and is striving to provide professional services for enterprises in technology research and development, skills training, product inspection, marketing, industry management, and talent introduction.

The Tapered Roller Bearing belongs to the separation type bearing, and the inner and outer rings of the bearing have a conical raceway. This type of bearing is divided into single, double and four row Tapered Roller bearing according to the number of the roller. The single row tapered Roller Bearing can bear the radial load and the single direction axial load. When a bearing is subjected to a radial load, an axial force will be produced, so another bearing that can withstand the axial force of the opposite direction is needed to balance it.

There is a single row tapered roller bearing outer ring, the inner ring and a conical roller by maintaining a basket frame into the inner module. The outer ring can be separated from the inner ring assembly. According to the standard of the ISO tapered roller bearing dimension, any standard type tapered roller bearing outer ring or inner ring assembly should be able to achieve international interchangeability with the same type of outer ring or inner ring assembly. For example, the outer ring of the same type should conform to the ISO492 (GB307) rule besides the external dimension and tolerance. The conical angle of the inner ring assembly and the diameter of the component cone must also comply with the relevant provisions of the interchangeability.
Usually, the conical angle of the outer raceway of the single row tapered roller bearing is between 10 degrees ~19 degrees, and it can simultaneously bear the joint action of axial load and radial load. The larger the cone angle, the greater the ability to bear the axial load. The bearing of the big cone angle, the postposition code plus the B, the cone angle between 25 degrees ~29 degrees, can bear a large axial load. In addition, the single row tapered roller bearing can adjust the size of the clearance during the installation process.
The outer ring (or inner ring) of a double row tapered roller bearing is a whole. The two inner ring (or outer ring) has similar small end faces, and the middle has a spacer. The clearance is adjusted by the thickness of the spacer, and the pre interference of double row tapered roller bearings can also be adjusted by the thickness of the spacer.
The performance of the four row tapered roller bearing is basically the same as that of the double row tapered roller bearing, but the radial load of the double row tapered roller bearing is greater than that of the double row tapered roller bearing, and the limit speed is slightly lower, which is mainly used for heavy machinery.
Multi seal double, four row tapered roller bearings, ZWZ provides long life, multi seal double, four row tapered roller bearings. The new design of the bearing is personalized and the traditional design method of the fully sealed bearing is changed. A new seal structure combined with seal and dust-proof is adopted to improve the sealing effect and improve the sealing performance. Compared with open structure bearings, the life of multi seal double and four row tapered roller bearings increased by 20% to 40%, and the consumption of lubricants was reduced by 80%.

Tapered roller bearings are widely used in automobile, rolling mill, mine, metallurgy, plastic machinery and other industries.

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