How to assemble high speed spindle bearings?

How to assemble high speed spindle bearings?
Both single motor high speed spindle bearings and multiple bearings of the unit shall be mounted on the main longitudinal axis of the connected machinery or on the longitudinal axis of the unit.The center of the bearing is measured by means of hanging steel wire and wire hammer.(a wooden bar is stuck in the arc of the bearing, and a thin iron bar is nailed in the center of the bar to mark the center position).

To adjust the position of the shaft, start from the most lateral high speed spindle bearings seat and place a level ruler on the bearing seat face to check the levelness of these planes.Use theodolite or level to check whether the plane of several axles is in the same horizontal plane, and use hammer to find whether the center of each bearing is on the same axis.
High temperature high speed spindle bearings

Since the high-temperature high speed spindle bearings seat should meet the requirements of high-precision stamping bearing seat and high-temperature stamping bearing seat, the following two points should be taken into account when considering the coordination and clearance of high-temperature bearing seat:
1. Dimension change and hardness change from normal temperature to high temperature;
2. Variation of force system and shape caused by centrifugal force at high speed.
The high temperature high speed spindle bearings seat is required to have the best clearance under the working condition, that is, under the working temperature, and the clearance is formed under the precise alignment of the center of the ball groove in the inner and outer ring.At the same time, because the high temperature high speed spindle bearings seat to reduce the relative sliding and internal friction, so it is best not to use the inner and outer rings along the axis of relative dislocation method to adjust the high temperature bearing seat clearance.
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