The Importance of Proper Sealing System in Conveyor Pulleys

Blog | January 15th, 2016

sealingConveyor optimization is an intimidating topic, one that covers huge mechanical assemblies and a seemingly bewildering array of parts. The subassemblies of the system coalesce before professional eyes, fortunately, to show clearly defined functions. Of these functions, a proper sealing system in conveyor pulleys and their associated auxiliary mechanisms represents the key to extending roller life.

The Crux of the Mechanical Matter

The best conveyor designs works hand-in-hand with top installation engineers and discerning maintenance agencies to keep conveyor systems moving without issue. Pulleys and powertrain drives work in concert, raising the functionality of the machinery to optimal design specifications. Unfortunately, real-world contaminants also have a vested interest in this automated rotating apparatus, a near magnetic need to interfere with the fluid meshing of bearings and shafts. Dust and dirt work their way into lubricant reservoirs and moving parts, playing havoc with radial action. The result is lubrication retardation, bearing wear, and a general reduction in the working lifespan of the roller assembly.

Comprehensively Sealed According to Application

Usage domain directly influences the selection of a proper sealing system in conveyor pulleys. Now, this one fact is easy enough to justify in a long and winding mining installation, as large amounts of dust contaminate the local environment, but, just as importantly, similarly damaging pollutants are present in other conveyor-dominated locales. For example, food processing and grain transporting facilities grind their stock into powder, and this free-floating cloud is quite capable of damaging a mechanical bearing. Additionally, the ever-present enemy of any metallic system has been and always will be corrosion. A fine layer of rust can coat the housing of a machine without causing harm, but that same discrete coating will severely hamper delicately balanced moving parts. The protective nature of a double-sealed bearing housing manages such threats. But, more than this, the housing also works to enhance and contain the inner workings of the drive shaft by acting as part of a lubrication reservoir. In this manner, the cleanliness of a food or pharmaceutical installation is protected from the messy innard of a necessarily oily process, the greasy, friction-cancelling rolling bearings.

Abrasive pollutants and corrosive influences combine with generated friction to embody the harsh end of the operating conditions spectrum, but the incorporation of a passive and proper sealing system in conveyor pulleys dismisses such violating environmental hazards. Meanwhile, a secondary layer of dynamic protection is added to the mix. The potent element lies behind the protective seal in the form of a lubricant bath and the maintenance-free components that eliminate expensive system downtime.

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