| 摘要 |
PURPOSE:To provide the optimum stock managing method for raw material stock tank for keeping the high stock level of all the stock tanks and suppressing the powdering degree of raw materials as much as possible by smoothing conveyance work. CONSTITUTION:This optimum stock managing method for raw material stock tank for keeping the stock of the stock tanks by conveying plural raw materials to plural stock tanks in plural production processes is provided with the process for calculating the first degree of conveyance request based on the previously set relation expression of a drop distance and a powdering rate for each brand of raw materials while monitoring the stock level for each stock tank, process for calculating stock keeping time based on the stock amount for each stock tank and a previously set discharge schedule and further calculating the second degree of conveyance request based on the stock keeping time, process for calculating the total degree of conveyance request for each stock tank based on the first and second degrees of conveyance request, process for deciding a mineral supply group as the unit of stock management based on the movable conditions of on-tank mobile machines, and process for calculating the priority of conveyance for the unit of the mineral supply group based on the total degree of conveyance request for each stock tank included in each mineral supply group. |
