In addition, research and development related to high-end precision spindle bearings materials

Bearings are critical infrastructure equipment manufacturing parts, equipment widely used in the field of large-scale wind energy , hydropower units , nuclear power plants , deep drilling rig , offshore drilling platforms , etc., directly determines the performance of major equipment , the level of quality and reliability. From the point of view on the world market , without exception, are bearing industrial powerhouse R & D, manufacturing power . Therefore , bearing manufacturing , especially the development and manufacture of high-end bearings are generally subject to national attention.
In the current domestic market, high value-added precision bearing demand and large compound growth rate of around 20% , although the growth speed, great market potential, but at present the vast majority of our production is small-scale and small wind power bearing and medium bearing bearings bearing the above in large-scale production accounted for less than 3%. technological backwardness of China's bearing industry and is closely related to a serious shortage of technical personnel , technical personnel bearing enterprises nationwide phenomenon prevalent in the age structure of the fault . In addition, research and sealed bearing development related to high-end bearing materials, oil and lubrication, manufacturing, design , bearing manufacturing equipment , testing and other tests a series of technical problems, to solve this problem is not a short series can do . However , in recent years, the country is stepping up efforts to support and encourage the bearing industry , especially the development of high-end products bearing .
Champoux consulting in the " 2014-2017 China bearing tube industry sales forecast demand and investment analysis report " mentioned : the role of high-end products bearing the high-precision machine tools, high-speed rail , instrumentation and other fields is growing , China's also need to break the monopoly of foreign high-end products , the next state will further introduce policies to promote the great development of China's high-end products bearing .

precision spindle bearings one of the main components Detailed hoist electric hoist control box

Today, one of the main components Detailed hoist electric hoist control box, look hoist control box structure : control box by a transformer box, contactors, terminal blocks and other components of electric chain hoist control box using machines with high-quality AC contactor , the load and momentary overload are greatly improved, can get better, more suitable for frequent operation of lifting appliances needed ; protection of high quality cold rolled steel sheet stretch forming , electrostatic spray . Different lengths are also available sealed bearing upon request and multi-core cables flashlight door ; After the control box lid opened, detachable from the hinges , user-friendly installation and maintenance ; control box has to take the electrical and mechanical interlock chain , so that the same two groups of contacts can not be simultaneously connected to the circuit ; each control box is equipped with electrical wind power bearing schematics, wiring terminals have clearly consistent with the schematic number , user maintenance, wiring.
     The following is a hoist control box work conditions :
1 ambient air temperature is -20 ℃ ~ +40 ℃;
(2) Relative humidity: lowest average humidity is 90 %, while the average minimum temperature for the month was 25 ℃, and taking into account the temperature changes in the surface of the product Cream ;
3 workplace should have no violent shaking and vibration of the place ;
4 In the absence of explosive medium, the medium does not corrode metal and damage the insulation of gas and dust ( including conductive dust ) ;
5 not more than 2500 meters above sea level ;
6 In the absence of rain and snow ( except rain control box ) .