Someone wants to purchase the caster wheels. Here are some tips for you to choose right caster wheels.
1. The size of caster wheels: Generally the larger wheel diameter, the more effort to promote. Because the caster wheels first formed industrialization in the late 19th century, the sizes of wheels are generally expressed in inches, such as most of China's supermarket trolley use 5-inch , 4-inch caster wheels. In current market, the popular caster wheels are ranging from 1 inch to 10 inches, and the common sizes are 2 inches, 2.5 inches, 3.5 inches and 4 inches and so on. For the caster wheels which are often used such as supermarket shopping cart, logistics trolley, and tool cart are used 4 inches to 6 inches. However, the too large diameter of caster wheels will make the center of gravity lift, and take more costs.
2. Wheel material: The materials of caster wheels are of great important, for example, there are PU, TPR, PP, rubber, nylon, etc. which are adaptable for temperature, surface hardness, surface environment.
3. Installation of caster wheels: For medium wheels, use the screw mandrel, inserted-bar or expansion sleeve, etc.; for heavy duty wheels, use the chassis base or welded directly to the device.