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The characteristics of the sliding bearing and the matters needing attention

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The primary device part of the sliding bearing is the bearing bush; most of the large-scale turning equipment of the power plant use sliding bearings; usually the bearing bush is made of babbitt; therefore, the softening point and melting point of the bearing bush are relatively low. The touch area with the shaft is also very large; it can carry relatively heavy load, the shock absorption function is also very good, and it can accept a large impact load; if the lubricating oil is stored in the lower part of the bearing bush, it needs to have oily broken hair; To ensure the composition of the tile oil film. Usually the temperature of the regular rolling bearing can not exceed 80 ° C; and the sliding bearing is lower; the temperature can not exceed 70 ° C.
Delineation of the matter of concern Sliding bearings are touched by the surface; therefore, the oil film must be adhered to between the touch surfaces; therefore, the following issues should be emphasized when drawing:
1. Let the oil film smoothly enter the conflict appearance.
2. The oil should enter the bearing from the non-bearing surface area.
3. Do not open the full ring oil groove in the middle of the bearing.
4, such as oil tiles; seams open oil grooves.
5, to make the oil ring to the oil is strong and reliable.
6, the fuel hole should not be blocked.
7, do not constitute an oil inactive area.
8. Avoid sharp edges and sharp edges that block the oil film.

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