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  Schaefer

Racking Systems
   
  Interlock Pallet Racking
The complete range of Pallet Racking Solutions Schaefer specializes in solutions for systematic applications in all storage requirements. All products incorporate the latest market requirements and the highest quality standards.
 
   
Selective Pallet Racking:  
Also known as adjustable pallet racking, this is the most popular and economical form of pallet racking, providing safe, 100% selective storage up to 11meters. Selective racking can now help fully utilize valuable space, while interlock pallet racking can be designed to meet virtually any pallet size or weight and can be used in conjunction with all types of mechanical handling equipment. A wide range of accessories are available to accommodate non-standard pallet loads and wire mesh fencing can be incorporated for simple security or bonded enclosures.
 
 
Mechanical Handling Equipment
» Counterbalance or Reach Truck
» Reach Truck offers up to 30% improved
   use of floor space and operates to a
   height in excess of 9 meters
 
Features
» Good stock rotation
» Good order picking, 100% selectivity
» Average picking rate
» Good product protection
» Low floor area utilization
» 31% nett pallet area m2 usage of overall
   warehouse area
 
   
Very Narrow Aisle (VNA) Pallet Racking - High Bay Storage:
Designed to meet the new generation of warehouses with heights up to 20 meters, and designed around the operating tolerances of VDA equipment where aisles are marginally wider than the load. While an increasing range is now available, the final choice is dependant on a number of factors including size of installation, throughput, order picking requirements, size and weight.
 
 
Mechanical Handling Equipment
» Specialist high cost machine requiring good
   floor surface
» Operates within guide rails or wire induction
   guidance system which operates to a height
   of about 14 meters
 
Features
» Good stock rotation
» Good order picking, 100% selectivity
» Fast picking rate
» Good product protection
» Average floor area utilization
» 50% nett pallet area m2 usage of overall
   warehouse area
 
   
Drive-in, Drive-through Pallet Racking:
This system provides the user with maximum storage capacity using the minimum amount of space and is particularly suited to the storage of very large quantities of the same product. The system consists of continuous rows of racking with no aisle in between. Loading and unloading is by means of counter balance or lift trucks, which can drive into the racks. For Drive-In racking, picking and replenishment is done from one side only, while for Drive-Through racking, both sides of the racking are used. Drive-Through racking also offers the advantage of picking and replenishment taking place independently of each other.
 
 
Mechanical Handling Equipment
» Counter balance or reach truck
 
 
Features
» Limited stock rotation
» Limited order picking, 20-30% Selectivity
» Slow picking rate
» Average floor area utilization
» 50% nett pallet area m2 usage of overall
   warehouse area
 
   
Double Deep Pallet Racking:
This system requires the use of a specialist reach truck. While achieving increases in capacity of up to 30% above its derivative the Selective pallet rack, only 50% of the pallets are immediately accessible. This system however provides an excellent method of increasing warehouse capacity when fast movement of pallets are not essential or when alternate systems such as the Drive-In which require high numbers of homogeneous pallet types, are not possible.
 
 
Mechanical Handling Equipment
» Specialist machine with either pantograph
   or telescopic forks
 
 
Features
» Lower beam level required
» Operates up to a height of 8 meters
» Average stock rotation
» Average order picking, 50% selectivity
» Slow picking rate
» Average floor area utilization
» 42% nett pallet area m2 usage of overall
   warehouse
 
   
Live Storage Pallet Racking:
Working on the system of 'parts to the picker' this system provides excellent volume usage with storage up to 15 pallets deep on first-in-first-out principle. The combination possibilities are endless from storing simple parts to palletized goods, or even combining this with integrated conveyor belts to maximize picking combinations. Safety features controlling speed of pallets, automatic offload separation and entry guides ensure ease of operation. As each lane can be used to store different commodities, more picking faces are available than with the Drive-In system. For non-standard pallet sizes, the unique 'Hysterisis Wheel' system is available.

A derivative of the conventional flow through system is push-back storage where each pallet stored on rollers or guides can be stored up to five deep by simply pushing back all the pallets in each lane. This system offers high density storage and allows different products to be stacked on each level. Operating on a first-in-last-out principle it is suitable for products dispatched on a 'batch' system.
 
 
Mechanical Handling Equipment
» Counter balance or reach truck
 
 
Features
» Ideal for high environment e.g. Cold Stores
» Excellent stock rotation using FIFO principle
» Good order picking
» Fast order picking rate
» Good floor area utilization
» 60% nett pallet are m2 usage of overall
   warehouse area
 
   
Mobile Pallet Racking:
This system of racking can increase storage capacity by 80% over the conventional static racks without loss of selectivity with individual racks mounted on mobile bases. These bases are power driven and can be controlled using hand-held remote controls. Using low maintenance electric motors, the mobile bases run on rails in-laid into the floor and are capable of supporting rack lengths in excess of 50meters and weights exceeding 500 tonnes.
 
 
Mechanical Handling Equipment
» Counter balance or reach truck
 
 
Features
» Ideal for high environment e.g. Cold Stores
» Good order picking, 100% selectivity
» Good floor area utilization
» 65% nett pallet are m2 usage of overall
   warehouse area
 
   
Automated Storage and Retrieval System (AS/RS):

Courtesy: Komatsu Forklift Asia
This fully automated warehouse and materials management system allows for accurate and timely inventory information and provides just-in-time delivery of raw materials and components, integrating the process of receiving and stocking in. The pallet storage system is based on the transfer of pallets via pallet conveyors and transfer carriages to the pallet racking serviced by pallet stacker cranes. The pallet racking and mini-load storage system is designed specifically for use with automated storage systems serviced by AS/RS cranes with racks based on FEM standards. The system can be designed to suit any type of product.
 
   
Rack Supported Building:
As the cost of land, material and labor escalates this concept becomes a more economical warehousing solution to high bay storage of above 20meters. The uniqueness of this construction lies in the fact that it does not require conventional structural columns to support the walls and roof. They are fixed directly to the racking structure to complete the building with huge savings in both construction time and cost. However, this form of construction requires extremely accurate engineering tolerances.
   
 
 
   
Cantilever Racking

Courtesy: Keppel Logistics, Singapore
Cantilever racks for medium and heavy loads are found in daily use in all branches of industry. The demands are varied and require that the storage system can be adapted to the stored material and not the other way round. The KRS system with its versatility is unlimited with regard to dimensions and load capacity. Applications range from manual to automatic operation, stationery or mobile racks. Racks can be installed in doors or outdoors as required.
   
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