Understanding Caster Terminology for Smooth Business Communication
Time：Apr 09,2025
1. Basic Structural Terms
Wheel ：The main rolling part that supports the object, usually made of rubber, polyurethane, nylon, etc.
Mounting Bracket/Swivel Plate ：Metal or plastic structure that fixes the caster to the equipment, divided into rotating and flat types.
Swivel Bearing ：A device that allows the caster to rotate 360°, commonly ball bearings or plane bearings.
Bushing ：A friction-reducing component used between the wheel axle and the bracket, commonly made of nylon or copper.
Brake ：Includes directional brakes (fixing the caster direction) and wheel brakes (locking the wheel rotation).
2. Caster Types
Swivel Caster ：A caster that can freely turn.
Rigid Caster ：No rotation function, only linear movement.
Omnidirectional Wheel ：Special design that allows for multi-directional movement (such as Mecanum wheel).
Kingpinless Caster ：No central shaft design, more durable, suitable for heavy-duty equipment.
3. Material Terms
Nylon ：Wear-resistant, impact-resistant, suitable for indoor and outdoor use.
Polyurethane (PU) ：Good elasticity, quiet, does not damage the floor.
Rubber ：Shockproof, strong grip, but easy to age.
Cast Iron ：Heavy-duty load-bearing, mostly used in industry.
Stainless Steel ：Corrosion-resistant, used in the food and pharmaceutical industries.
4. Performance Parameters
Load Capacity ：Maximum load-bearing capacity of a single caster (dynamic/static load).
Temperature Resistance ：Temperature range that the material can adapt to (e.g., -30°C to 80°C).
Rolling Resistance ：The force required to push the caster, affected by the wheel material and the ground.
Impact Resistance ：The ability of the wheel to withstand sudden impact.
5. Installation Methods
Plate Mount ：Fixed by screws to the plate bracket.
Stem Mount ：Use threaded rods to insert into the equipment holes.
Expanding Sleeve ：Drill-free installation method, suitable for pipes, etc.
6. Special Function Terms
Silent Caster ：PU or TPE material, reducing noise.
Anti-Static Caster ：Dissipates static electricity, used in electronic workshops.
Corrosion-Resistant Caster ：Stainless steel or special coating, suitable for humid/chemical environments.
Heavy-Duty Caster ：Load capacity can reach several tons, often used in machinery and equipment.
7. Industry Standards and Certifications
DIN Standard ：German industrial standard, such as DIN4102 (fire rating).
FDA Certification ：US food-grade material certification, suitable for the catering industry.
EN1253 ：European caster safety and performance standards.
8. Other Terms
Swivel Radius ：Minimum space required for swivel casters.
Offset ：The distance between the wheel center and the center of rotation, affecting steering flexibility.
Dual Wheel ：Parallel dual-wheel design, distributes load, enhances stability.
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