Home>Bearing knowledge>Conclusion of tapered hole bearing interference cooperation

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Tapered hole bearing interference cooperation

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The device for tapered bore bearings has always used interference cooperation. The reduction of the radial internal clearance, or the axial displacement of the inner ring on its conical journal; is used to determine and measure the interference.
There are many different ways to measure the excess.
1. Use the feeler gauge to measure the reduction of the clearance.
2. 2. Determine the tightening angle of the nut.
3. Measuring the axial push interval.
4. Measuring a large amount of inner ring expansion.
Measuring the amount of clearance reduction with a feeler gauge
Before and after the bearing device; the method of measuring the radial internal clearance with the feeler gauge is suitable for large and medium spherical and CARB bearings. The best is to measure the clearance between the outer ring and the unloaded roller.
Measuring the tightening angle of the nut
Measuring the tightening angle of the nut is a proven and useful method; it can be used to determine the correct interference of the small and medium-sized bearings on the conical journal. The guidance value of the tightening angle a is now established; it helps to fine the conical journal. Broken positioning bearing.
Measuring the axial pushing interval <br> The device has a tapered bore bearing; it can be completed by measuring the pushing interval s of the inner ring on the journal. The guiding value of the axial pushing interval; see some related products.
However, the more appropriate approach to this situation is the “SKF Push Method.” This device approach provides a robust and concise way of determining the amount of interference. The axial displacement of the bearing is controlled relative to the intended orientation; Cooperation. This method uses a hydraulic nut equipped with a dial gauge; and a uniquely calibrated digital metering device on a specially selected oil pump. The necessary oil pressure and the axial displacement of a single bearing; these determined values ​​can be considered as bearings Arbitrarily positioned.
Measuring the inner ring
After measuring the amount of expansion of the inner ring; it can accurately and accurately determine the correct orientation of the large spherical and CARB bearings on the journal. This type of measurement is now possible; SensorMount® can now be used; it uses a sensor integrated with the inner ring of the bearing , a special hand-held indicator and general hydraulics. Bearing size, shaft finish, data or depiction - solid is still a hollow problem; no need to consider.

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