1. A computerized method for automated demand-based delivery of parts to an inventory area in a warehouse comprising: (a) entering in a computer part identifying data for a part used in production; (b) entering in said computer process time data comprising an amount of time to transport said parts from a storage inventory area at said warehouse to a delivery inventory area at said warehouse; (c) entering in said computer inventory data for inventory of said part, said inventory data comprising: (1) a number of units of said part in said delivery inventory area; (2) a number of units of said part in said storage inventory area; (d) entering in said computer order data for said part comprising a plurality of pick times and for each pick time, a number of units; (e) calculating at said computer a delivery inventory deplete time by subtracting for each of said plurality of pick times: said number of units for said pick time from said number of units in said delivery inventory area; (f) calculating at said computer for said pick time associated with said delivery inventory deplete time a task time for transporting said parts from said storage inventory area to said delivery inventory area by subtracting said process time from said pick time; (g) creating at said computer a task entry comprising said part identifying data, said task time, and said storage inventory area; and (h) communicating to an associate said task entry for transporting said parts from said storage inventory area according to said task time.