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What are the castor specifications?

What are the castor specifications?

Bearing capacity of castor specifications:

General manufacturers can produce a few series for different bearing, caster specification is the general way to judge the bearing. Casters of the same diameter. Such as light casters, medium casters, heavy casters, super heavy casters, etc., the method is to let the wheel and bracket have different thickness or material. Castor specifications of the bearing, calculate the load of a single caster to give a certain coefficient of safety, when the ground is relatively flat, the single caster load = (the total weight of equipment ÷ the number of casters installed) 1.2 coefficient of safety) if the ground is not smooth, then the algorithm is, the single caster load = the total weight of equipment ÷ 3 because no matter what kind of uneven ground, Always have at least three wheels supporting the equipment at the same time, this algorithm is equal to increase the safety factor, more reliable, prevent insufficient load, resulting in caster life greatly reduced or lead to accidents. Castor specification is in foreign capital company, bearing weight is expressed with pound commonly, and domestic uses kilogram mostly, conversion concern is 2.2 pound = 1 kilogram.

According to different load bearing, casters are load bearing wheels. To determine the size of the caster specification. So, generally speaking, caster specification is according to the size of caster and bearing will distinguish.

Dimensions of castor specifications:

Push the more effort, caster size control: the larger the diameter of the caster. The more obstacle the better, because casters were first industrialized in the West at the end of the 19th century, so casters are generally expressed in inches. According to the size of casters, Chinese supermarket trolleys mostly use 5 inches, 4 inches of casters. At present, the popular casters in the market have sizes from 1 inch to 10 inches. The commonly used sizes are 2 inch, 2.5 inch, 3 inch, 3.5 inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, etc. Generally often need to promote such as supermarket shopping cart, logistics trolley, tool car, etc. 4 6 inch castor is the best. However, if the diameter of casters is too large, the equipment will rise and the interest will increase, so comprehensive consideration should be taken. If the equipment does not need to often push, such as furniture, refrigerator, etc., just do health when you need to move, choose the following 3 inches casters.

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