Kaiping City Sunnywah Electronic CO.,LTD
July 05, 2022
How to choose casters？
Casters can reduce labor intensity and improve work efficiency. We can choose the right casters according to the application mode, conditions and requirements (convenient, labor-saving, durable).
Bearing weight:（Bearing weight calculated T=E+Z/M）
| T = the carrying weight of each caster E = the weight of the vehicle Z = the weight of the moving object M = the effective bearing capacity of the wheel (uneven distribution of position and weight should be considered
|
The effective bearing capacity of foot wheels (M) is shown as follows:
When choosing heavy, it is necessary to calculate the bearing weight of casters at the maximum support point. The specific support point of casters is shown below (P2 is the heaviest support point).
Traditional flexibility:
1. Casters should be flexible, easy and durable, and their rotating parts (foot rotation and wheel rolling) should be made of materials with small friction coefficient or accessories assembled after special processing (such as ball bearings or quenching treatment).
2, The greater the eccentricity of the foot, the more flexible the steering, but the bearing capacity is reduced accordingly.
3. The larger the diameter of the wheel, the more effort it saves, and it can better protect the ground. Larger than small wheel rotation slowly, not easy to heat deformation, more durable. Choose as large a diameter wheel as the mounting height allows.
Moving speed:
Caster Wheel speed requirements: in normal temperature environment, on the flat ground, not higher than the walking speed of 4.2 km/h, and a certain resting state of work.
Use environment:
Special environment of ground materials, obstacles and residues (such as iron filings, high temperature, low temperature, high acidity, high alkaline, oil and chemical solvents, as well as antistatic sites) should be considered in the selection. Casters made of special materials should be selected for use in special environments.
Installation precautions:
l .Flat bottom movable casters: The mounting surface must be smooth, hard and not loose.
l .Directional casters: The wheels must be in the same direction and parallel.
l .Screw casters: Must be equipped with spring gaskets to prevent loosening
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