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Cost-effective casters with strength
How to choose casters
2024-04-07
The use of casters is to reduce labor intensity and improve work efficiency. According to the way of application, conditions and requirements ( convenience, labor-saving, durability ) correctly select the casters suitable for your use. Please consider the following points:
Load bearing weight
(1) Calculation of load capacity T=(E+Z)/M
T= Weight to be carried by each caster E= Weight of transportation vehicle
Z= Weight of the moving object M= Effective number of wheels (taking into account the location, uneven weight distribution)
(2) The effective number of wheels (M) is shown below:
(3) Selection of load-bearing capacity should be calculated according to the load-bearing capacity of the caster at the maximum support point. The specific support point of the caster is shown in the figure below, with P2 being the heaviest support point.
Flexibility
(1) Casters should be flexible, easy and durable, and their rotating parts (casters rotate, wheels roll) should be made of materials with low friction coefficients or fittings assembled after special treatment (e.g. ball bearings or special processed fittings).
(e.g. ball bearing or quenching treatment).
(2) The larger the eccentricity of the tripod, the more flexible the steering is, but the bearing capacity is reduced accordingly.
(3) The larger the diameter of the wheels, the less effort it takes to push and the better it protects the ground. Larger wheels turn more slowly than smaller ones, are less likely to heat up and deform, and are more durable. In the installation height allows
Under the condition that the installation height is allowed, choose the wheel with large diameter as far as possible.
Moving speed
Requirements of caster speed: in room temperature environment, on the flat ground, not higher than walking speed 4KM/H, and have a certain stop working condition.
Use of the environment
Selection should consider the ground material, obstacles, residues or special environment (such as iron filings, high temperature, low temperature, acidic, alkaline, oil and chemical solvents and the requirement of anti-static places).
Antistatic places). If used in special environment, casters made of special materials should be selected.
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