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Self-supporting casters tell you how to see the principle fr

Time:2018-10-19
 
 
 
 
 There are many ways to choose casters for different applications. However, there is often a close connection between most requirements. Take transporters casters as an example. The production department classifies the casters according to their main application and outlines all the casters that can be used. Product parts for all standardized combinations are available for cataloging. A rational product system was developed to simplify the selection process. The system is named for the characteristics of all products, using letters and columns.
 
Casters should always run steadily on the ground. However, that is almost a purely theoretical state. On a jagged surface, or when passing through thresholds, tracks, and pits, the casters will briefly leave the ground. Therefore, when they are suddenly overloaded or when only 3 of the 4 casters are in contact with the ground, the entire load must be carried. This must be taken into account when calculating the load capacity.
casters
The mounting method of the bearing varies depending on the bearing structure, fit, and conditions. Generally, since the shaft is mostly rotated, the inner ring needs an interference fit. Cylindrical bore bearings, press with a press, or use a hot charging method. For taper holes, mount directly on the taper shaft or with a sleeve. When installed in the outer casing, there is usually a lot of clearance and the outer ring has an interference. It is usually pressed by a press or there is a cold shrink fit method after cooling. When dry ice is used as a coolant and cold shrinkage is installed, the moisture in the air will condense on the surface of the bearing. Therefore, appropriate rust prevention measures are required.