> Pallet Racking: Material Handling Storage System
Posted on 23rd August 2013
Pallet racking?is a?material handling storage?aid?system?that is designed to store materials on?pallets. Although there are many varieties and manufactures of?pallet racking,?all types allow for the?storage of?palletized materials?in horizontal rows and with multiple levels. Forklift trucks?are usually an integral part of any?pallet racking system?as they are usually required to place the loaded?pallets?onto the racks for?storage.
Pallet racking?over the years has become an essential and ubiquitous element of most modern?warehouses,?manufacturing facilities,?retail outlets, and other?storage?and?distribution centres?worldwide.?All types of?pallet racking?create an increase of?storage density.
Pallet Racking Components
Load?beams (also called?step?beams or?box beams)
Most?step beams are roll formed members with a 1?? step along the top inside edge. This step is used to hold any load support components such as?pallet supports?or?wire decks.
Box beams have no inset step, instead have four flat sides like a box. All load?beams?typically mount onto an?upright frame?column with integral rivets or hooks. Some systems utilize an extra clip or bolt to lock the beam to the upright.
Structural beams?are hot formed structural C shapes with connecting clips at either end. These beams?are generally used with structural?uprights?but can be used with standard roll formed uprights. Structural load beams offer heavier weight capacities than step beams or box beams.
(also called?uprights) vary in size and design depending on?load?requirements, and styles. Holes or slots are punched during manufacturing up and down the column at standard intervals so that the?load bearing beams can be mounted into the upright columns.
Diagonal bracingsand?horizontal bracings, are usually welded between two?upright columns?to form?upright frames. The?bracing?may be bolted to the columns in some cases.
These sare formed channels that are installed between the?load beams?to?support pallets.
Wire deckingis commonly used as a?safety?measure on?pallet racking?in order to prevent?pallets?or the products stored on them from falling between the structures. Mesh decking comes in various thicknesses dimensions. Wire mesh construction is often seen as a more formerly and a cleaner way of storage as it prevents dirt and other debris from accumulating on the shelves because of the holes in the mesh. Most?wire mesh decking?has U-shaped channel supports, also known as?struts, to support the?load.
Footplates, also known as?baseplates, are at the base of columns and serve as a means to give the rack more stability: bolts are inserted through the?baseplate?sholes to attach the column to the concrete floor.?These?are made of thicker steel. Footplates increase the pallet rack?s overall stability and?weight-bearing capacity.
These?are used when the uprights are resting on uneven floors; the shims, equal in size to the base of the uprights, are installed beneath the uprights to level the racking.
Row Spacers?are sometimes used if uprights are arranged in back-to-back rows; the spacers are mounted between adjacent columns to ensure that the rows are kept straight and to give the pallet racking even more strength and stability.
These may be used for further support if the uprights are arranged in a row along a wall.
These are protective guards that can be installed around the base of an upright to help prevent any damage where forklifts might hit the upright part of the pallet racking. Damage to the base of a column can weaken the entire frame and could cause it to collapse. Column protectors are made of various materials such as?polyethylene, ductile iron casting, and other durable materials.
Guard Rails are installed to increase protection for upright columns and for human safety when platforms or steps are attached to pallet racking.
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