NEWS & TIPS

What operation wears out an excavator steel track undercarriage the fastest?

When examining the operational factors contributing to the accelerated deterioration of excavator steel track undercarriages, it is crucial to understand that certain maneuvers impose extensive stress and wear on track components. The primary culprit is frequent and intensive maneuvering in high-abrasion environments, such as those containing sharp debris, fragmented rock, or rebar. These elements induce micro-abrasions on the track links, pins, bushings, and sprockets, facilitating premature wear.

Pivot turns, wherein the excavator rotates around a stationary axis, exert significant shear forces upon the track links. This maneuver demands the inner and outer tracks to traverse disparate distances and speeds within the same rotational plane, engendering force concentrations at the pivot point and increasing wear rates on the turning side of the undercarriage.

Operations on grades and slopes impose differential forces across the track undercarriage, as gravitational forces acting on the unsupported side generate heightened load bearing and frictional forces on the components. The resulting imbalances in loads require attentive power application from operators to mitigate excessive track wear.

Extended travel, particularly at high velocities, subjects the steel tracks to continuous engagement with ground surfaces, thereby amplifying wear. This is typically observed in situations where the excavator must traverse large jobsite distances, thereby accruing significant track revolutions and interacting with varying ground compositions.

Cumulative operational hours conveying heavy loads or executing lifting tasks, especially those necessitating side-loading or off-center positioning, directly influence undercarriage wear patterns. These operations distribute uneven loads across the track assembly, stressing certain segments disproportionately and accelerating the wear process.

In conclusion, to ensure maximized longevity for a steel track undercarriage, it is advised to minimize engagement with highly abrasive terrains, reduce pivot turn frequency, methodically manage operations on slopes or grades, limit unnecessary long-distance travel, and balance loading conditions during excavation and lifting duties. Adopting a regime of regular maintenance inspections is essential for identifying early signs of wear and preemptively adopting corrective measures, thus prolonging the functional lifespan of the undercarriage system.


Fulian Operation Team

2024.3.8

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