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Casters are components installed on the bottom of equipment to enable flexible movement. They are commonly found in warehousing and logistics, manufacturing, medical equipment, automated production lines, and other fields. As a core component for material handling and equipment movement, casters are more than just wheels; they serve as a bridge for power transmission between equipment and the ground.
With the advancement of industrialization and automation, caster types and designs have become increasingly specialized, with options such as high-load, heavy-duty casters, anti-static casters, high-temperature casters, and silent casters meeting the needs of diverse production environments.
Improving Production Efficiency: Casters enable flexible movement of equipment and materials, significantly reducing manual handling time.
Reducing Labor Intensity: Reduces the stress on workers when pushing and pulling heavy objects, reducing the risk of occupational injuries.
Adapting to Multiple Use Scenarios: Casters of varying materials and structures can be used in complex environments, including high and low temperatures, humidity, and chemical corrosion.
Increasing Equipment Flexibility: Production lines can quickly adjust their layout to meet the demands of flexible manufacturing.
Today, casters are indispensable in almost all industrial production processes, for example:
Assembly line trolleys in automobile manufacturing plants;
High-temperature-resistant stainless steel casters in food processing plants;
Silent, antibacterial casters in the medical industry;
High-capacity casters in the warehousing and logistics industry.
These examples fully demonstrate that casters have become an indispensable foundational component in modern industrial production.
The load capacity of casters is one of the most important parameters companies consider when purchasing. Common classifications include:
Light-duty casters: Each wheel has a load capacity of 50-150kg, suitable for office equipment and light carts.
Medium-duty casters: Each wheel has a load capacity of 150-500kg, commonly used for transporting equipment in factory workshops.
Heavy-duty casters: Each wheel has a load capacity of 500-2000kg, suitable for large machinery and warehousing and logistics.
Extra-heavy-duty casters: Each wheel has a load capacity exceeding 2000kg, used in specialized industries such as ports and aviation.
Table 1: Comparison of Casters by Load Rating
| Classification | Single Wheel Load Range | Applications | Common Materials |
| Light-Duty Casters | 50-150kg | Office Equipment, Home Carts | Plastic, TPR |
| Medium-Duty Casters | 150-500kg | Factory Workshop Transport Equipment | Polyurethane (PU), Rubber |
| Heavy-Duty Casters | 500-2000kg | Large Machinery, Logistics Handling | Cast Iron, Nylon |
| Extra-Heavy-Duty Casters | >2000kg | Port Equipment, Aviation Manufacturing | Forged Steel |
The tread material of a caster directly determines its wear resistance, quietness, and applicable floor conditions.
Polyurethane (PU) Casters: Wear-resistant, quiet, and suitable for smooth surfaces.
Rubber Casters: Excellent shock absorption and suitable for uneven surfaces.
Nylon Casters: High hardness and corrosion resistance, suitable for humid or chemical environments.
Cast Iron/Steel Casters: Strong load capacity and suitable for extremely heavy loads.
Table 2: Comparison of Common Caster Materials
| Material | Features | Applicable Applications |
| PU | Wear-resistant, quiet, and non-slip | Electronics factories, warehouses, and logistics workshops |
| Rubber | Cushioning, shock absorption, and strong grip | Medical equipment and the food industry |
| Nylon | High strength and chemical resistance | Chemical workshops and cold storage |
| Steel | Ultra-high load-bearing and impact-resistant | Port machinery and heavy equipment |
Swivel casters: Swivel 360° for flexibility.
Fixed casters: Only move in a straight line, suitable for transport vehicles that need to maintain direction.
Brake casters: Come with a locking device to ensure equipment stability during use.
Special-function casters: Such as anti-static casters, high-temperature casters, and shock-absorbing casters.
Manufacturing is one of the most widely used applications for casters. Factory assembly lines, automated tooling carts, and mold transfer equipment all rely on high-load-bearing, wear-resistant industrial casters.
In the warehousing industry, the flexibility and load-bearing capacity of casters determine transportation efficiency. For example, warehouse racks, pallet trucks, and logistics containers all require wear-resistant, low-noise casters.
Medical equipment places even more specific requirements on casters:
Highly silent operation is required to avoid disturbing the patient room environment.
Antibacterial treatment ensures hygiene and safety.
Soft material prevents damage to floors.
Food processing plants often use high-temperature-resistant stainless steel casters, while the chemical industry prefers corrosion-resistant and anti-static nylon or Teflon casters.
Table 3: Comparison of Caster Applications in Different Industries
| Industry | Core Requirements | Recommended Caster Types |
| Manufacturing | High-load capacity, wear-resistant | Heavy-duty PU casters, steel casters |
| Warehousing and logistics | Flexible, silent, and durable | PU swivel casters |
| Medical | Silent, antibacterial, and non-slip | Rubber silent casters |
| Food and chemical industry | High-temperature resistant and corrosion-resistant | Stainless steel casters, nylon casters |
Load Requirements: Calculate the load capacity of a single caster times the number of casters, allowing for a safety factor.
Floor Conditions: Use PU for smooth floors and rubber for rough floors.
Environmental Requirements: Select specialized materials for high-temperature, humid, and chemically corrosive environments.
Frequency of Use: Wear-resistant and impact-resistant materials are recommended for high-frequency use.
Cost Reduction: Bulk purchases can yield more favorable prices.
Stable Supply: Partner with high-quality caster suppliers to ensure production continuity.
Customized Services: Some manufacturers offer OEM/ODM caster customization services.
In the global market, choosing a reliable caster supplier is crucial. A high-quality supplier should possess:
A comprehensive quality inspection system;
A diverse product range;
Timely after-sales service support;
Stable supply capacity.
If you require wholesale or custom caster products, please contact Giessen Casters at Giessencasters@gmail.com or visit the official website https://www.giessencasters.com for more information.
With the advancement of smart manufacturing, intelligent casters equipped with sensors are gradually emerging, capable of real-time monitoring of load weight, temperature, and operating status to enhance safety.
In the future, caster materials will prioritize environmental friendliness and recyclability, such as high-performance biodegradable materials and low-noise, environmentally friendly polyurethane.
Increasingly, companies are opting for customized casters tailored to their specific production environments. This is particularly true in specialized industries such as medical, food, and electronics, where customization is particularly important.
Casters in industrial production do more than just enable equipment to move; they are also key components that improve production efficiency, ensure equipment safety, and promote industrial development. With the continuous advancement of technology, casters will develop towards intelligent, environmentally friendly, and customized features.
As a professional caster supplier, Giessen Casters will continue to provide customers with a comprehensive range of high-quality caster products. If you require wholesale, purchasing, or custom casters, please contact Giessencasters@gmail.com or visit our official website at https://www.giessencasters.com.
