Gear pump copper sleeve and bearing the use of what the same point and the difference? Generally refers to the simple small plain bearings, commonly used in unimportant places or require a short time to work place. Can be made of copper powder metallurgy or copper directly produced, simple structure, low noise, impact load capacity. Copper powder metallurgy or internal lining felt often without lubrication, less maintenance. The disadvantage is the large resistance, in particular, static friction coefficient and dynamic friction coefficient differ greatly, easy to vibrate can not be used in the precise place. And easy to wear. Relatively small advantages of more rolling bearings, such as resistance, static friction coefficient and dynamic friction coefficient difference is small, not easy to vibration. long life. However, it is noisy, requires clean environment and can not withstand impact and vibration. KCB (2CY) gear pump mainly gear, shaft, pump body, safety valve, shaft seal composed of the end. The gears are heat-treated to a higher hardness and strength and mounted with the shaft in a replaceable hub. The lubrication of all parts in the pump is automatically achieved using the output medium while the pump is in operation. KCB (2CY) gear pump has a well-designed oil drain and oil return groove, the gear in the work to withstand the torque of the smallest, so the bearing load, wear a small, high pump efficiency. KCB (2CY) gear pump with safety valve as overload protection, safety valve full back pressure of the pump rated exclusion pressure of 1.5 times, but also allows the discharge pressure within the scope of the actual need to be adjusted. But note that the safety valve can not be used for long-term work of the valve, if necessary, can be installed separately in the pipeline. From the spindle extension to look at the pump, KCB (2CY) gear pump clockwise rotation.
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