Push back racks provides an excellent combination of pallet accessibility and high density storage. In push back rack systems, a pallet is placed by the lift truck onto a “cart” and then “pushed back” into the rack by the next pallet being loaded into the rack system. When the front pallet is removed, the pallet behind it slides forward to assume the front position. Push back rack uses carts that are mounted on rails, also known as “lanes” which are installed in the rack structure. Although push back racking is the most capital intensive racking, it offers the highest density storage like drive in rack but comes without the added liability of forklift operators entering the racking structure.
In push back systems, a fork lift loads the pallet onto a cart which moves along a rail system installed within the rack. When the second pallet is loaded, it pushes back the first pallet further into the rack and exposes the second cart for the pallet to be placed on.Contrarily, when the front pallet is removed, the pallets behind it slide forward to assume the front position and stops as they hit the pallet stop in the front end.
As the first pallet is loaded, it needs to always be placed on the highest cart available to maximize the furthest depth. Once the pallet is centered, the fork truck must drive the pallet at least an inch above the desired cart level and place it down. Make sure the pallet is level and not resting on the push plate. If the push plate is no longer visible, it means the storage lane is full.
It is important to reverse the fork lift slowly while unloading the front pallet because the subsequent pallets will slide forward at the same rate as your reverse. A slow reverse will keep the pallets steady and controlled until they hit the pallet stop in the front end. If you reverse too quickly, the subsequent pallets will fly forward hitting the pallet stop hard potentially causing damage to the pallet, product, rack, or even worse, hurt an employee.
Push back rack is perfect for high density storage systems that want the ability to store multiple SKUs on each level. Unlike drive in rack, push back rack offers a solution that doesn’t require fork lift operators to enter the rack structure which significantly reduces the chance of an operator damaging your rack.
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