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(1) the axial clearance
Axial adjustment is to reach the bearing clearance or preload load certain, assembly of tapered roller bearings can be adjusted to play the best performance. If the relationship curve of bearing fatigue life and the axial clearance of T1MKEN company (see Figure 1), tapered roller bearing axial clearance (see Figure 2) equal to zero is close to the length of life. The axial clearance initial assembly and adjustment are obtained at room temperature, the bearing work before setting. The axial clearance work income is called axial clearance. Because the working condition of thermal expansion and the temperature load and bending, axial clearance change. Room temperature axial clearance work best with different axial clearance environment set and change. Application experience or test can usually determine the best working axial clearance.
(2) the axial clearance adjusting method at room temperature
The application of probability theory, the radial and axial tolerance control axial clearance is determined by the size of the bearing components.
In the set pressure, accomplished by measuring washer or spacer axial size. Then, get the correct gasket or spacer size from the pre chart or direct measurement readings. This method is suitable for adjusting the axial clearance, axial and suitable for pre load adjustment.
The state measurement speed bearing rolling torque required, determine the axial clearance is appropriate, whether the axial adjustment is pre load or clearance, this method can be applied to.