First, the assembly method
First, we look at our most commonly used methods: one is acetylene oxygen bearing directly heating; another oil immersion heating small bearings to thermal expansion, expand the bearing bore diameter, so that the assembly. These methods are widely used in the long-term maintenance of equipment, basically meet and solve the problem of the bearing assembly in the equipment maintenance. However, these two kinds of methods to ensure that the bearings in the heating process, the temperature of the heated area evenly, it is difficult to determine. Traditional acetylene oxygen heating are single gas burners and heating process is just a rule of thumb, the bearing temperature warmed to the number of degrees right difficult to grasp. So there have been difficulties encountered by the user.
Bearing axially closed or partly by radial tight fit method of mounting can be used when installing
The supporting parts of the machinery, the bearings should be in the radial, axial and circumferential (tangential) in three directions to obtain the positioning and fixing of the different requirements. Under normal circumstances, the axial direction of the bearing is fixed axially closed or partially with a radial tight fit to achieve the free side of the mechanism support bearing is often not to be fixed in the axial direction is installed in the axial direction to compensate for the body system or thermal dimensional change the swelling Lengsu process. Bearing radial and tangential fixing method, is generally achieved by the inner diameter of the bearing and the shaft outer diameter and bearing seat hole fits.
Second, the bearing clearance adjustment
Addition to the need to consider how to achieve positions of radial and axial positioning in the design of a combination of support, but also consider how to solve the problems of each bearing clearance adjustment.


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