Understanding
Palletflo® Rack Systems
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Designing Pallet Flow Storage Racks
Palletflo® rails work with most standard racks. However, the Kornylak Corporation prefers to use structural steel racks or heavy-duty racks in its designs of controlled gravity, live storage systems. Structural steel racks are not only strong enough to hold beyond the maximum load weight of the rails, they can also be used as the building structure itself.
Designing Racks
When designing your pallet flow racks, it is important to consider the placement of all load columns and building openings. Design your loading and unloading zones with enough room to maneuver forklifts. Make sure that a building load column does not block your lane.
The ideal rack depth should be multiples of the load depth plus two feet. So if you wanted 10 loads deep per lane and your load depth is 48" it would be a (10X4')+2' = 42' deep lane. The bay width is figured out by adding 7" total to the load with optional rail guidance or wider without. The bay height is figured out by adding 12" to the load height.
Importance Of Slope Setting
The single most important factor in a pallet flow rack storage system is to correctly adjust slope during initial installation. The ambient temperature in a warehouse application can very from 60° Fahrenheit to 90° Fahrenheit and flow rates increase at higher temperature and decrease at lower temperatures. The slope adjustment should be set to compensate for this variation. If the installation is carried out during the summer months, set the slope at the highest acceptable speed, since the speed will be slower during the winter months. For winter installations, loads should be blocked in a fixed position overnight or over a weekend and released the next day. If the pallet does not move within a reasonable time, the slope should be readjusted upwards (slightly), until the breakaway occurs after the block is removed. In other words, slope should be increased or decreased as necessary to obtain a satisfactory flow for the full range of conditions.
For best results, a lane should be setup for testing. A recommended starting slope of .400" per foot of run should be used.
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