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How to install casters with stem

Oct 29 , 2020

How to install casters with stem



First of all, we need to understand what is a stem caster wheel. The stem is one of the more common ways to install casters. Usually the installed object and the caster are fixedly connected by this rod. Compared with threaded stem and grip ring stem, the installation methods and the structure is simpler. Compared with plate caster wheel, the load-bearing structure is slightly weaker, so it is generally reflected in light duty caster wheel and medium duty caster wheel, which are mainly used in scenes where load-bearing requirements such as furnitures and ordinary platform trolleys are not too large. Of course, for medium duty and heavy duty scenes, the ratio is relatively small.


There are two main types of stem casters. One is a thin T-shaped stem, and some are matched with a threaded sleeve; the other is a cylindrical or square column or other polygonal column. The rod usually has a through hole.


So how to install them? The T-shaped stem is the easiest to install, just plug it directly into the set hole of the object to be installed.  It's the opposite when removing it, just pull it out. For threaded bushings, plug the bushing into the mounting hole first, and then insert the stem into place. The sleeve and the plunger act like expansion screws at this time to prevent the casters from falling off.


The principle of the inserted stem with holes is similar, except that the upper and lower diameters of the stem are the same size. After inserting in place, you need to insert a pin or other accessories into the through hole for fixing to prevent the caster from falling off when the installed object is off the ground.


T-shaped stem casters are generally smaller than columnar ones. They are usually embodied as furniture casters such as chair caster wheels and table caster wheels. Even with brakes, most of them only stop the wheel from rotating and cannot fix the direction of the caster wheel. Column-shaped stem casters are relatively larger, and are generally embodied in small and medium-sized equipment such as trolley caster wheels, shopping cart caster wheels, and even industrial caster wheels such as scaffold caster wheels, or medical caster wheels. Due to the existence of through-holes and bolts and other accessories, this type of stem casters can usually achieve the function of double brakes, while fixing the direction of the wheel and the caster.

If you have any questions about this or are interested in casters, please feel free to consult. We are specialized in the design, production and sales of caster wheels and hand trolleys-YLcaster.

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