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Material Handling Information - Case Studies - Seibu Reizo
   
Case Studies - Food Industry Application
Seibu Reizo
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Application
  • Leading cold food distributor serving 800 retailers, 200 wholesalers throughout Japan.
  • 226,000-square foot, two-story distribution center divided into freezer, refrigerated, and room temperature zones.
Key Customer Benefits
  • Dramatic improvements in product freshness, speed, and shipping accuracy.
  • Virtually 100% accurate real-time inventory control.
  • Ability to process up to 150 incoming pallets per hour.
  • Automated buffer eliminates need for people to work in harsh freezer environment.
Material Flow Requirements
  • Improve order-filling speed and accuracy.
  • Ensure product quality and freshness.
  • Handle shrinking lot sizes and an increasing number of new products.
Material Flow Hardware
  • High-speed unit load automated buffer with 8,300 storage locations in freezer enclosure.
  • Sorting Transfer Vehicle (STV) loop system.
  • Pick-to-light system for piece picking.
  • Cart carousel for case picking.
Material Flow Process

Input
  • Incoming products are labeled and bar coded prior to storage; the system can process up to 150 incoming pallets per hour.
  • STVs transport pallets to the proper temperature-controlled storage area as directed by the inventory control computer.
  • The computer directs the transporter to take the pallet.
  • High-speed, high-density pallet buffer in freezer area makes optimal use of freezer space.
Output
  • Automated storage system brings pallets to operators for case picking, eliminating the need for workers to enter the harsh freezer environment.
  • Picking and shipping lines are divided into two parts to meet customers' various lot size requirements.
  • For large-batch shipping to wholesalers, pallets are automatically retrieved from the freezer buffer, consolidated with products from the other temperature zones, then sorted by destination to the correct loading dock. The sorting system processes up to 4,000 cases per hour.
  • For small-batch shipping direct to retailers, a pick-to-light system is used for piece picking and a cart carousel is used for case picking.
  • Operators pick pieces into plastic totes based on the quantity displayed by the digital system. Filled totes are sent to the lower floor to be consolidated with the remainder of the order.
  • High-mover cases are picked in a paperless environment using a rotating cart carousel and pallet flow rack. A cart is assigned to each individual retailer. The cart rack rotates through six distinct zones, where cases are picked and placed on the cart. The cart stops at the proper pick location and the number of cases to be picked is shown on the display.
  • Cases and totes are consolidated in the returnable carts and loaded for shipment to retailers.
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