The freezer casters are an important accessory of the mobile freezer. The quality of the freezer casters directly affects the effect and feeling of the mobile freezer in actual use. So what aspects should be paid attention to when purchasing the freezer casters?
1. Caster material
It is very important to choose the material of freezer casters. Generally, there are PU, TPR, PP, rubber, nylon, etc., as for the applicable temperature, surface hardness, and ground environment.
Two, choose the size
Generally, the larger the diameter of the freezer casters, the less effort it will push, and the better the ability to overcome obstacles. Since freezer casters were first industrialized in the West at the end of the 19th century, the size of freezer casters is generally expressed in inches. For example, most supermarket trolleys in China use 5-inch and 4-inch freezer casters. At present, the popular freezer casters on the market are casters of Dongguan Huiyi brand. The sizes range from 1 inch to 10 inches. The commonly used sizes are 2 inches, 2.5 inches, 3 inches, 3.5 inches, 4 inches, 5 inches, 6 inches, 8 inches, 10 inches, etc.
Generally, it is better to use 4-6 inch freezer casters for those that often need to be pushed, such as supermarket shopping carts, logistics trolleys, and tool carts. However, if the diameter of the caster wheel of the refrigerator is too large, the center of gravity of the equipment will rise and the cost will increase, so comprehensive consideration should be carried out. If the equipment does not need to be pushed frequently, such as furniture, refrigerators, etc., it only needs to be moved when doing hygiene, and the freezer casters below 3 inches can be used.
Three, look at the load
For freezer casters of the same diameter, ordinary manufacturers will use several series for different load-bearing, such as light, medium, medium, etc. The method is to make the wheels and brackets have different thicknesses or materials. When calculating the load of a single freezer caster, a certain insurance factor should be given, and at least three wheels should support the equipment at the same time.
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