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Application principle and function of grease in NTN bearing

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1; the principle of the use of grease we are to liquid oil is a very thick solution. This grease is composed of mesh soap fiber; its layout determines that it can absorb a lot of smooth oil; and make it work properly But as you have imagined, if a sponge is kneaded; the water will flow out. The grease will also be drained by the kneading oil; but the oil in the NTN bearing is rarely directly kneaded and drained; Smooth imported bearings are in running; grease is active in the internal space of the bearing. Its primary operating principle is "temperature".
2; the practical function of the grease to drain the grease to the sliding surface is the primary cause of the temperature rise of the grease around the NTN bearing. When the bearing starts running under normal operating conditions; the grease will reach the sliding friction surface. Smooth with the rise of temperature The effect starts to work.
NTN imported bearings with grease smooth advantages:
1) Single bearing point; always need to add oil by hand; if you use grease, it will save energy and prevent the formation of trouble due to lack of oil.
2) The grease itself has a sealing effect; this allows the use of a tissue with a low degree of sealing to achieve a simplified depiction.
3) Experience has proved that in the range of certain speed (n<20000r/min or dn<20000mm.r/min), the lithium base grease has a lower temperature rise and a longer bearing life than the drop method.
2, NTN imported bearings smooth theoretical basis. Brown 岢 蠡硎 蠡硎 蠡硎 蠡硎 粲诘 粲诘 粲诘 粲诘 粲诘 粲诘 粲诘 蠡砺.
3, NTN bearing failure type and smooth contact: most of the failure is due to the installation of wool. 芊獠涣 grade Fissure file. The reason for a small amount of failure is the wear and tear caused by the lack or excess of smoothing agent or quality Gluing, corrosion and overheating.
4, the basic characteristics of smooth grease and the general specification for the selection of smooth grease:
When selecting smooth grease; it is necessary to select smooth greases that are compatible with the application conditions (temperature, speed, load, environment, etc.); these are related to the fundamental properties of smooth grease; and the fundamental properties of smooth grease depend on thickeners and foundations. Variety of oil.

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