Full definition
Impact bars are critical components designed to provide effective support in the loading zones of conveyor systems. Unlike traditional impact idlers, which can create gaps in support, impact bars are engineered to create a continuous, low-friction surface that accommodates the transfer of materials from various heights. The face of an impact bar is typically made from materials such as low-friction rubber or ultra-high molecular weight polyethylene (UHMW-PE), both of which are known for their durability and resistance to wear. The low-friction properties of these materials help reduce friction between the conveyed material and the conveyor belt, minimizing wear and tear on the belt itself.
For applications involving high drop heights, the impact bars absorb and dissipate the kinetic energy produced during the material drop, significantly lowering the impact energy that is transmitted to the belt. This energy absorption capability can reduce impact energy by up to 60%, leading to a substantial extension in the lifespan of the conveyor belt. In high-tonnage mining operations, where material is frequently loaded from significant heights, the use of impact bars can be a game-changer, allowing for smoother operations and reducing maintenance costs associated with belt replacement.
The service life of impact bars is typically between 12 to 24 months, contingent upon the abrasiveness of the materials being conveyed. More abrasive materials can shorten this lifespan, necessitating regular inspection and replacement to maintain optimal performance. To ensure the effectiveness of impact bars, it's important to select the appropriate material and design based on the specific operational conditions and material characteristics. Additionally, proper alignment and installation are crucial to maximizing their benefits and ensuring that they perform as intended in the demanding environments of industries such as mining, aggregates, and bulk material handling.