The three standards to be implemented in October are “Technical Conditions for Non-vehicle Conductive Chargers for Electric Vehiclesâ€, “Technical Conditions for AC Charging Points for Electric Vehicles†and “Communication Protocols for Monitoring Units and Battery Management Systems for Off-board Chargers of Electric Vehiclesâ€. . At present, the Energy Bureau is organizing power grid companies, oil production companies, etc. to discuss the other five standards and plans to announce them to the public during the year. According to relevant forecasts, when the annual sales of electric vehicles reach 200 million, the new electricity demand will be about 490 billion yuan. Shi Yubo, vice chairman of the State Electricity Regulatory Commission, said that electric vehicles are closely related to the electric power industry, and the large-scale use of electric vehicles will open up a new electricity market. Research data shows that if there are 50 million electric vehicles in 2020, the annual energy consumption will reach 200 billion kilowatt-hours; if the number of electric vehicles in 2030 increases to 200 million, the annual energy consumption will be 800 billion kilowatt-hours. Taking Shanghai residents' electricity consumption (not summer) at about 0.617 yuan/kWh, the new electricity consumption in 2030 will reach 490 billion yuan. It is precisely due to the huge business opportunities brought by electric vehicles. At the Forum on "China's Electric Vehicle Industry Summit" recently held, major power grid companies have sent a large number of people from all over the country.
Brass cage spherical Roller Bearing , which have two rows of barrel shaped symmetrical rollers, and held in a brass cage without fixed middle block. a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis .Therefore, spherical roller bearings are self-aligning and insensitive to misalignment of the shaft relative to the housing, The center point of the sphere in the outer ring raceway is at the roller bearing axis. modified line contact between rollers and internal & external ring to achieve maximum loading capacity. mainly bear radial load.
FEATURE:
brass cages Spherical Roller Bearing have a much higher resistance to adhesive bonding, for this reason, even in harsh conditions, when lubrication is insufficient, they enable bearings to attain the design rating life. The design of Spherical Roller Bearing allows the roller rows in roller bearing to run at different speeds, thereby enabling the bearing to absorb high levels of linear deviation. Spherical roller bearings have high radial load capacity, which is especially suitable for work under the heavy load, high shock or vibration load and misaligned loads, but can't afford to pure axial load.
TYPES:
Due to customers` requirements, XKTE can offer different structures of spherical roller bearing, such as steel sheet metal frame structure(C type), brass solid cage structure(CA type/M type)
When a rolling bearing equipped with a steel cage works in condition of poor lubrication, hard contaminants might appear as a result of the adhesive wear at the cage-rolling element contact. Since sliding cannot be eliminated in the contacts between the cage and other bearing parts, the cage itself is the first component to be affected when lubrication becomes inadequate. Select a cage material able to ensure, against hardened steel and in boundary lubrication regime, reduced values for the friction coefficient as well as a very high resistance to welding. In this regard, brass proved to be the best choice.
Some spherical roller bearing variants may include perforated outer ring and oil groove features in their design to facilitate easier lubrication and further extending their longevity. with the suffix W33 or H.
APPLICATION:
Spherical roller bearing are available with heavy duty rollers and cages that are suitable for extreme demand harsh applications such as vibratory screens. Mining Conveyor Machine, and mining bulk Conveyor Pulley. In this sort of aggressive operational environment, the spherical roller bearing is the only type that delivers acceptable service life. generally have a longer life span than other bearing types.
We set up a one-stop production line, committed to producing and researching supporting roller bearings and Conveyor Bearing over the years. There are many long-term fixed Senior conveyor machinery partner in domestic and abroad market. Welcome conveying machinery manufacturers` contact from all over the world
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Electric vehicles give birth to huge electricity market
Recently, the reporter learned from the State Electricity Regulatory Commission that in October the country will formally implement three standards for electric vehicle charging facilities. The other five standards are also under intense development. To prepare for the electric vehicle electricity market, the grid company will strengthen the upgrading of the power grid industry and accelerate the construction of smart grid and electric vehicle charging facilities.