Views: 142 Author: Site Editor Publish Time: 2020-05-21 Origin: Site
What are the performance parameters that the caster wheel should pay attention to?
Caster wheel have many performance parameters, and these parameters are also important indicators when selecting caster wheel.
 1. Elongation Under the action of tension, the ratio of the increase in the distance between the marking lines when the specimen breaks to the initial gauge distance is expressed as a percentage. 2. Hardness It is used to measure the hardness of rubber and other tires and wheel core materials. It is expressed by Shore "A" or "D". 3. Compressive strength During the compression test, the maximum compressive stress sustained by the specimen is measured in megapascals. |
 4. Anti-deformation under heavy pressure Under a long period of weight, the wheel landing point becomes larger and flatter, that is, the test sample is subjected to a certain static pressure load, and then the load is removed after the end of the prescribed compression time. The height of the wheel landing point after changing the table is compared with the original height. percentage. 5. Impact strength The material's ability to withstand the violent impact of a free-falling heavy object. Expressed in inches / lbs, feet / lbs or punching work at test temperature. |
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