Common Conveyor Chain Failure Mechanisms
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- Issue Time
- Apr 16,2024
Summary
Common conveyor chain failure mechanisms include wear due to friction and abrasion, corrosion from exposure to harsh environments, elongation caused by heavy loads or improper tensioning, and fatigue from repeated stress cycles. Additionally, misalignment, improper lubrication, and contamination can contribute to chain failure. Regular maintenance and inspection are essential to prevent these issues and ensure conveyor system reliability.
Common Conveyor Chain Failure Mechanisms?
In most conveyor systems, there are four main types of conveyor chains, each with its own specific application characteristics:
Tensile Failure
Stretch failure may be due to the conveyor chain being overstretched, causing the chain to not work as expected, or to break completely.
Fatigue Failure
When the conveyor chain is overloaded by cyclic tension at a load below the yield strength, microscopic cracks are generated in the link plates or side bars due to excessive weight. These cracks can grow, leading to fatigue failure, which can lead to incorrect function and eventual fracture.
Wear Failure
Wear failure is the result of wear and corrosion that causes the conveyor chain to stretch without proper stretching. This often causes the chain to become too large to fit the sprockets of the conveyor system, or to maintain proper spacing and timing. Wear that occurs between rollers and bushings, between link plates, or between side bars and guide rails will eventually cause chain failure.
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