Quality requirements for medium caster

To judge a good caster from its prices, not just to see him more practical degree, especially for the high quality requirements of industrial heavy-duty casters, because it often has greatly improved in the use of the frequency of the above, at the same time carrying high main characteristics and heavy-duty casters, is often on bearing will also increase relatively, so this time, also requires for medium-sized castor with certain quality requirements.

Analysis of rolling and rotating resistance of medium caster wheel. When the caster moves or manipulates it, the force must pass through the object to the caster and overcome some resistance. The amount of resistance depends on a variety of factors: weight bearing, wheel diameter, material, and wheel face shape; Suspension of medium casters; Type and size of bearings; And, of course, the location of the medium caster. Therefore, when choosing the right medium caster, it is important to carefully coordinate all these factors to fit each other.

In any case, choosing heavy casters is not only about quality, but also about practicality and quality. Although at present domestic production heavy caster manufacturer is very much, but really can bear heavier, it is the manufacturer that passes strict quality to measure weight to test is very few, so everybody must choose normal heavy caster manufacturer when choosing.

Medium caster load is an important reference standard. Medium casters should always operate steadily on the ground. However, that is almost a purely theoretical state. On uneven surfaces, or over thresholds, rails, and potholes, the medium caster briefly leaves the ground. So, when they are suddenly overloaded or when only three of the four medium casters touch the ground, the medium casters must carry the entire load. This must be taken into account when calculating deadweight. Therefore, the following formula provides the necessary safety margin: the deadweight of the device plus load divided by 3.

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