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Installation method of deep groove bearing

wallpapers Resource 2020-05-21
Installation method of deep groove ball bearing I
 
Force fit: bearing inner ring and shaft tight fit, outer ring and bearing hole is a loose fit, press the bearing to be pressed on the shaft are available, and then put the shaft together with the bearing load bearing hole, when pressed on the bearing inner ring end face, cushion the assembling casing made of a soft metal material (copper or mild steel), bearing outer ring and bearing hole tight fit, inner ring and the shaft is a loose fit, the bearing can be pressed into the bearing hole first, then assembling casing diameter should be slightly less than the diameter of a hole.
 
If the bearing ring is closely matched with the shaft and the seat hole, the indoor ring and the outer ring should be pressed into the shaft and the seat hole at the same time. The structure of the sleeve assembly should be able to tighten the end faces of the inner ring and the outer ring of the bearing at the same time.

Installation method of deep groove ball bearing II

 
Heating fit: an installation method that transforms a tight fit into a loose fit by heating the bearing or bearing seat and utilizing thermal expansion. Installation method is a kind of common and energy saving. This method is suitable for interference quantity larger the installation of the bearings, the bearing before hot charging type or separable bearing ring into the fuel tank even heat 80-100 ℃, and then loaded on the shaft, as soon as possible out of the oil to prevent inner ring after cooling end face and the shoulder joint is not tight, bearing cooling can be axial tighten again. After bearing outer ring and light metal bearing seat tight fit, by heating the hot charging method of the bearing, can avoid the mating surface scratch.
 
Heating tank with bearing and should be at a certain distance from the bottom of a mesh, or hanging hooks in the bearings, bearing on the bottom, in case of heavy impurities into the bearing or uneven heating, fuel tank must have a thermometer, strictly control the oil temperature shall not exceed 100 ℃, in order to prevent the tempering effect, reduce the hardness of the ring.



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Tag: deep groove