Planning phase: It has two categories of planning ,
a. Prior planning is pre-production planning &
b. Active planning is actual production planning.
Prior planning refers to all the planning efforts that take place prior to active planning. The modules of prior planning are: product development & design, forecasting, aggregate planning, master scheduling etc. Active planning includes various activities directly related to the production. The modules of active planning are: process planning & routing, material planning, tools planning, loading, scheduling etc.
Action phase: Action phase directly deals with dispatching. Dispatching is the transition from planning phase to action phase. The employee is ordered to start manufacturing the product. The tasks that are included in dispatching are: job order, store issue order, tool order, time ticket, inspection order, move order etc.
Control phase: Control phase includes (a) progress reporting & (b) corrective action. Progress reporting helps to make comparison with the present level of performance. Corrective action makes provisions for an unexpected event e.g., capacity modifications, schedule modifications etc.
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