Material Handling Equipment - Industrial and Systems Engineering

8. STORAGE EQUIPMENTOne operator picks from 2 to 4carousels (termed a “pod”) inorder to minimize waiting timewhile other carousels aremoving.Each level of the carousel canrotate independently in aclockwise or counter-clockwisedirectionControl ranges from manuallyactivated push buttons toautomated computer controlledsystems13. Vertical lift modulePieces stored on trays inside a multi-bay enclosure that are delivered to theopening of a bay for picking by a servo-driven lift carriage.Adv: Provides high-bay storage, and dense storage since height of trays canvary. All picking occurs at a user-adjustable waist height. Can provideeven greater security compared to bin shelving when the operation of themodule is often under computerized control, which can increase cost.Disadv: High cost. Requires reliable power source.Pick Cart14. A-frameUnits are dispensed from parallelarrays of vertical angled channelsonto a belt conveyor that carriesthem into a container.Adv: Very high pick rate.Disadv: Only feasible for small, rigiditems of uniform shape that are notfragile. Requires manualreplenishment..61