What is skirt rubber in belt conveyor?
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What is skirt rubber in belt conveyor?

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Conveyor skirting rubber is a vital component in the design and operation of belt conveyors. It serves multiple purposes, including preventing material spillage, protecting the conveyor system, and ensuring the efficient and safe transportation of materials. In this article, we will delve into the various types of conveyor skirting rubber, their applications, and the factors to consider when selecting the right skirting for your belt conveyor system.

What is conveyor skirting rubber?

Conveyor skirting rubber is a type of flexible rubber material used to line the edges of conveyor belts. Its primary function is to prevent materials from spilling over the sides of the belt during the transportation process. By doing so, it helps to maintain a clean and safe working environment while ensuring that the materials being transported remain securely on the belt.

In addition to preventing spillage, conveyor skirting rubber also serves to protect the belt and other components of the conveyor system from wear and tear caused by friction and contact with the materials being transported. This, in turn, helps to extend the lifespan of the conveyor system and reduce maintenance costs.

Types of conveyor skirting rubber

There are several types of conveyor skirting rubber available in the market, each designed to cater to specific applications and requirements. Some of the most common types include:

  • Natural rubber skirting

Natural rubber skirting, also known as NR skirting, is made from natural rubber latex derived from rubber trees. It is known for its excellent elasticity, resilience, and abrasion resistance, making it ideal for use in various industrial applications. Natural rubber skirting is commonly used in environments where temperatures do not exceed 70°C (158°F).

  • SBR rubber skirting

Styrene-butadiene rubber (SBR) skirting is a synthetic rubber that offers similar properties to natural rubber but with improved durability and resistance to wear and tear. SBR skirting is widely used in industries where the conveyor system is subjected to heavy loads and abrasive materials.

  • Polyurethane skirting

Polyurethane skirting, also known as PU skirting, is a type of thermoplastic elastomer that offers superior abrasion resistance, flexibility, and chemical resistance compared to natural and SBR rubber. PU skirting is suitable for use in environments with extreme temperatures, high impact loads, and aggressive materials.

  • EPDM rubber skirting

Ethylene-propylene-diene monomer (EPDM) rubber skirting is a synthetic rubber known for its excellent weather resistance, ozone resistance, and low-temperature flexibility. EPDM skirting is commonly used in outdoor applications and environments where the conveyor system is exposed to harsh weather conditions.

Factors to consider when choosing conveyor skirting rubber

When selecting the right conveyor skirting rubber for your belt conveyor system, several factors should be taken into consideration:

  • Material being transported

The type of material being transported plays a significant role in determining the appropriate skirting rubber. For example, if the material is highly abrasive, such as rocks or ores, skirting rubber with superior abrasion resistance, such as polyurethane, would be ideal. On the other hand, if the material is lightweight and not prone to spillage, a standard natural rubber skirting may suffice.

  • Operating environment

The operating environment of the conveyor system is another crucial factor to consider. If the conveyor is exposed to extreme temperatures, chemicals, or UV radiation, skirting rubber with enhanced resistance properties, such as EPDM or polyurethane, would be more suitable.

  • Conveyor speed and load

The speed and load of the conveyor system can impact the wear and tear on the skirting rubber. For high-speed conveyors or those carrying heavy loads, skirting rubber with high tensile strength and abrasion resistance, such as SBR or polyurethane, would be recommended.

  • Budget and lifespan

Finally, the budget and desired lifespan of the skirting rubber should also be taken into account. While premium skirting rubber may offer superior performance and durability, it may not be cost-effective for all applications. It is essential to strike a balance between performance, cost, and lifespan when selecting the right skirting rubber for your conveyor system.

Conclusion

Conveyor skirting rubber is a critical component in the efficient and safe operation of belt conveyors. By selecting the appropriate type of skirting rubber based on the material being transported, operating environment, conveyor speed and load, and budget, businesses can ensure optimal performance, reduced maintenance costs, and a safer working environment. With the right skirting rubber in place, belt conveyors can continue to operate at peak efficiency, meeting the demands of various industries and applications.

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