The design principles and structural features of medium duty casters

Medium-sized casters are commonly used on furniture, shelves, hand trucks, and other equipment. The design principles and structural features are as follows:

Design principles:
1. Load-bearing capacity: Medium-sized casters are designed to withstand a certain amount of weight, so they are typically made from wear-resistant and pressure-resistant materials such as rubber and polyurethane.

2. Flexibility: Casters need to be able to rotate 360 degrees for equipment to move flexibly, so the design considers the rotation performance of the wheels and the selection of bearings.

3. Quietness: To reduce noise from friction, medium-sized casters usually incorporate quiet design features such as shock absorbers.

Structural features:
1. Wheels: Medium-sized casters are typically made from materials like rubber and polyurethane, which have good wear resistance and pressure resistance to adapt to different surface environments.

2. Bracket: The caster's bracket is usually made of metal, providing strength and stability to support the weight of the equipment.

3. Bearings: High-quality bearings like double-row ball bearings or sliding bearings are commonly used in medium-sized casters to ensure smooth rotation.

4. Brakes: Medium-sized casters are often equipped with brakes to securely park the equipment when stopped, activated by stepping on or pulling a switch.

Overall, the design principles and structural features of medium-sized casters are intended to ensure smooth movement, stable parking, and weight-bearing capacity of equipment while reducing noise and friction, enhancing convenience and comfort in use.

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