Different types of palletised storage Cargo Master Pte Ltd can adopt various methods in order for them to store their big items.There are 8 ways in which whereby the first 5(namely block stacking,APR,double deep pallet racking,palletised live storage,drive-in and drive-through storage and powered mobile storage) has a height limit of up to 10m. Thus, if a case arises where the company wants to maximise the use of height in their warehouse, the above 5 storage methods are not applicable.Instead,they can either adopt high rack narrow aisle racking or high bay. 1)Block Stacking---Loaded pallets are placed on the floors in the warehouse and built up in stacks, by rows.
Advantages:
Suitable for products with limited product line
Used for products with high throughput level (FILO basis)
Disadvantages:
Reduced storage capacity
Limitation as to how high pallets can be stacked
Cannot withstand pallets with heavy weight
2)Adjustable Pallet Racking (APR)---Consists of end frames and horizontal beams with adjustable height. The beams are height adjustable and the racking can easily be adapted to cater for any change in the type or size of goods stored.
Advantages:
Inexpensive to implement
Easy to install and is highly versatile
Gives random access to all individual pallets
Disadvantages:
Fork truck gives access to only two rows of racking
Low building utilisation
3)Double Deep Pallet Racking---Allows pallets to be stored deep but still accessible from the same aisle. Uses double deep reach trucks only. Advantages:
Enhanced space utilisation
Disadvantages:
Poor visibility for truck drivers when accessing rear locations
Loss of absolute FIFO
4)Palletised Live storage---With this system pallets are stored on the first-in/first-out principle (FIFO). The push back system is fitted with roller tracks whereby it pushes the pallets into their storage location and they return under the force of gravity.
Advantages:
Deep space utilisation is excellent
Provides automatic "first in first out" (FIFO) stock rotation
Highly used for items with rapid throughput level
Disadvantages:
Expensive to implement
5)Drive-in and drive-through racking---Drive-In Racks allow a lift truck to enter the rack from one side to pick or pull out pallets. This is done because pallets can slide backwards on a continuous rail.
Advantages:
Installation not limited by strength of palletised goods
Side by side pallet handling stabilizes the load and improves efficiency and safety
Drive Through System loads and picks from both sides for first in/first out (FIFO) inventory retrieval
Disadvantages:
Pallets are only supported at the edge hence pallet conditions and types of pallets are also limited
No beams joining the uprights along the face of the racking thus making it susceptible to damage
In this subsequent video, you will get to see how a palletised live storage works in a warehouse.
6)Powered mobile storage---It consists of sections back-to-back adjustable pallet racking on electrically powered base frames that moves along rails set into the floor.
Advantages:
Good space utilization
Random access to every pallet
Used mainly for stock which does not move fast
Disadvantages:
Expensive to implement
7)High rack narrow aisle racking---These are actually adjustable pallet racking accessed by narrow aisle free path stackers equipped with rotating or sliding pallet handling mechanisms on the mast.
Advantages:
Enhanced space utilization of up to 50%
Can operate up to 20M high
Disadvantages:
Turret trucks are needed to access the pallets and turrets trucks are expensive
8)High Bay---Pallets racking up to heights of 30M in which pallet moves using the help of stacker cranes, giving free access to all pallet locations.
Advantages:
Space utilization is high with the use of height and narrow aisles
Can operate up to 30M high
Disadvantages:
Expensive to build
Design should be thought through carefully as there is little flexibility for subsequent change
In this blog, you will get to get to know more about the various storage systems in a warehouse.
We will be using Cargo Master Pte Ltd as an illustration.
Distribution Center Management
Names:Melissa,Bukhari,Shi Chao
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