Pulley Lagging
Pulley Lagging
Pulley lagging is a protective rubber covering applied to conveyor pulleys to increase friction and reduce belt slippage. It enhances belt tracking, minimizes wear on both the belt and pulley, and improves overall conveyor efficiency. Pulley lagging is available in various patterns and materials to suit wet, dry, or high-load conditions.
Pulley Lagging is a critical wear component that increases drive traction, protects the pulley shell, and improves overall conveyor efficiency by ensuring positive belt grip.
Material: Protective rubber covering (available in various compounds).
Function: Increases friction, reduces belt slippage, enhances belt tracking, minimizes wear.
Design Variants: Available in different patterns (e.g., diamond, herringbone) and materials for specific conditions.
Application: Fitted onto conveyor pulleys for wet, dry, or high-load operating conditions.
Pulley Lagging Catalogue
Pulley lagging is a protective rubber covering applied to conveyor pulleys to increase friction and reduce belt slippage. It enhances belt tracking, minimizes wear on both the belt and pulley, and improves overall conveyor efficiency. Pulley lagging is available in various patterns and materials to suit wet, dry, or high-load conditions.
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Frequently Asked Questions
The primary factors are tension, distance, and load. Use Textile Belts (fabric ply) for general-purpose, cost-effective conveying with moderate tension, typical distances, and standard loads. Choose Steel Cord Belts for long-distance, high-tension, and heavy-load applications (like major mining or overland systems) where minimal stretch and maximum strength are critical. Our technical team can perform a full conveyor calculation to specify the correct belt.
Exposure consistency. For Oil Resistant belts, consider whether the oil/grease exposure is constant or incidental. For Heat Resistant belts, the key is the maximum continuous material temperature, not just ambient air temperature. Exceeding the belt’s designed temperature rating is the leading cause of premature cover cracking and failure. Always provide us with your specific material temperature details.
Yes, with proper selection. Chevron belts are designed with a smooth base on the bottom and between cleats, allowing them to run on standard flat idlers and trough. They can navigate horizontal curves if the conveyor system is designed for it. It is critical to select the correct cleat height and profile for your incline angle and material size to ensure smooth running over transitions.
Repair Patches (cold bonding) are ideal for localized damage like rips, gouges, or holes, allowing for rapid, on-site repair to minimize downtime. A full vulcanized splice (hot or cold) is required when joining the ends of a belt during installation or after cutting out a damaged section. Patches restore cover integrity; splices restore carcass (tensile) strength. For large or structurally compromised damage, a professional splice is always recommended.
There’s no fixed interval; it depends on operating hours, load, and environmental conditions. Inspect lagging during routine maintenance. Key signs for replacement include:
Visible wear down to the pulley metal.
Glazing or hardening of the rubber surface, reducing friction.
Chunks missing or cracks.
Persistent belt slippage that adjustment cannot fix.
Proactive replacement of worn lagging is far more cost-effective than the damage caused by slippage.
Adhesion Rubber (uncured gum rubber) is the critical bonding matrix that recreates the original belt’s monolithic structure. It is placed between belt plies and, when cured, fuses with them to transmit the tensile load. Standard rubber cement alone is insufficient for structural splices. The correct process uses a cold vulcanizing liquid adhesive to prepare surfaces, followed by the application of the specific Adhesion Rubber compound, which is then cured under pressure. Using the wrong materials will result in a weak, failed splice.