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Warehousing Devices

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  1. Warehousing Devices Utilizing Devices Within Your Warehouse Effectively www.uttana.com

  2. Effective Warehouses • An effectively managed warehouse stores only necessary inventory in the most appropriate location and improves the accessibility for the people who need it. • There is a vast array of devices, from common single-deep racks, to complex automated systems that can be used to achieve these goals. www.uttana.com

  3. Choose the Best Solution • Choosing which solutions are most appropriate for your warehouse’s needs and using them effectively requires an understanding of how these devices are used for different applications. • To begin with, single-deep pallet racks with wide aisles are a versatile solution that ensures that materials can be accessed without having to move others out of the way. www.uttana.com

  4. Aisle Variations • “Narrow aisles” or “mobile racks” are variations of single deep pallet racks that support a higher storage density, at the cost of requiring special equipment. • The investment in equipment for narrow aisles may be easier to justify if it consists of order pickers, which allow the handler to ride up into the higher levels and pick individual boxes. www.uttana.com

  5. Storage Racks • “Double-deep”, “drive-in”, and “push back” racks also increase storage density, and require special equipment. They allocate storage in multiple pallet units with “last in–first out” retrieval. Storage and retrieval requires less labor than single-deep racks then with these options. • “Flow racks” are used for items with dedicated storage space. They support “First-in First-out” retrieval at each pallet level, and require the least labor of all the solutions mentioned so far. www.uttana.com

  6. Block Stacking and You • Block stacking is an approach that requires no investment in racking and relies on the same forklifts that the plant relies on for other purposes. It requires the pallets to be stackable which means that the container walls must be sturdy enough to support the weight of several pallets. • Block stacking is the most labor intensive of all these methods because nothing moves unless a forklift moves it. Stacks of pallets are arranged in first-in first-out or FIFO lanes, but their retrieval from each stack level is on a last-in first-out basis. www.uttana.com

  7. Block Stacking, Cont. • Block stacking is often used for high volume low mix applications. • Because of the low cost of setup, block stacking is often used when a factory first starts up, even if it is not the ideal solution in the long run. www.uttana.com

  8. Devices and Automation • None of the devices mentioned so far involve automation. Machines such as forklifts are used, but all the actions are taken by people. • With automatic storage and retrieval systems, operators place material in loading stations, conduct transactions, and request materials. Machines take over all other actions involved with placing and retrieving materials. • Such automated systems are not common in Lean organizations. www.uttana.com

  9. Devices and Automation, Cont. • One of the problems with automated systems is due to the high cost of acquisition. In many companies it is easer to get such an investment approved at start-up than it is after the facility has been running for some time. • As a consequence, automated systems are often designed before the organization has the opportunity to understand and specify its requirement. This frequently results in a mismatch between the automated system and the organizations processes. www.uttana.com

  10. Carrousels versus Automation • Carrousels are a simpler and cheaper alternative to Automated storage systems. Carrousels are a common sight at dry cleaning businesses and airports, yet they are far less common in production facilities. • In most manufacturing situations, the sequential access provided by the carrousel is a serious drawback, since it has to scan through many items in order to reach the one that is needed. www.uttana.com

  11. Carrousels versus Automation, Cont. • For the most part, carrousels are only appropriate when items are being produces in a fixed sequence. In this case, bins could be placed in matching sequence so the carrousel only has to move one slot at a time to set up for the next product. • As is the case with automated systems and carrousels, sometimes the more complicate solution can be more trouble than it is worth. The most important thing is to use the storage devices that fit the processes of your facility. www.uttana.com