Production Planning Requirements

Commodity production planning requires to aggregate the process-internal units such as reactors, dryers or tanks into a an aggregate asset planned as a whole with dedicated interfaces of raw material input and production output as shown in the left and right part of the process example. 

Production planning is a key part in planning since it impacts utilization of capital-intensive assets and the overall offered supply. Production planning requirements are comprehensive addressing two key tasks for planning commodity production... 

Production planning requires additional indices next to the production resource index reR. The production process 5 e S as core planning object in production is introduced. Production processes can be grouped into process groups ge G. Production campaigns have a dedicated index ceC numbering the campaigns on the resource. 

Doubling up on materials and people was essential as backup to the inevitable misjudgments of the real-time state of play in a company. Judgments were made from information that was hours, days, or even weeks old. Accordingly, production planning required adequate, but costly, inventory safety stocks, and backup teams of people to maintain quality control and for emergency response to the unanticipated and the misjudged. 

Use of Results. Sales analysis data are used ia many ways by company management. The results are most useful ia production planning, particularly if grade differences appear to be ia the offing, and ia assuting that adequate suppHes are available for sales. Inventory control, raw material procurement, technical service requirements, and trends ia accounts receivable are beneficiaries of good sales analyses. 

Phase 4 - Production Planning. The critical process operations from Phase 3 are ranked with production requirement issues, ultimately translating the important customer requirements to production planning and establishing important actions to be taken. 

The way many companies identify resource requirements is to solicit resource budgets from each department covering a 1 to 5 year period. However, before the managers can prepare budgets they need to know what requirements they will have to meet. They will need access to the corporate plans, sales forecasts, new product development plans, marketing plans, production plans, etc. as well as the quality policies, objectives, and procedures. 

The quality system developed to meet the requirements of ISO/TS 16949 is likely to be a generic system, not specific to any particular product, project, or contract other than the range of products and services which your organization supplies. By implementing the policies and procedures of the documented quality system, product, project, or contract specific plans, procedures, specifications, etc. are generated. ISO 9001 contains a series of quality system requirements, not product quality requirements. For a given product, project, or contract there will be specific product, project, or contract requirements and it is these requirements to which this clause of the standard refers. 

A statement of work which you require the subcontractor to perform - it might be design, development, management, or verification work and will include a list of required deliverables such as project plans, quality plans, production plans, drawings, test data, etc. You need to be clear as to the interfaces both organizationally and technically (see Part 2 Chapter 4). 

The product specification should provide all necessary processing requirements that need to be implemented when carrying out particular processes however, some of the requirements may need to be defined in separate process specifications which are invoked by reference. You may need to develop your own process specifications, but there are many national standards that may suit your needs and they come with the added benefit that they have been proven to work. The quality plan or procedures should not contain any further product requirements but may provide the verification methods to be employed, the precautions to be observed and the recording requirements to be met. You need to identify in your production plans each of these documents at the stage at which they should be applied, otherwise there is the possibility that they may be overlooked. 

The standard requires the supplier to inspect, test, and identify product as required bp the qualify plan or documented procedures. 

Another perspective for production simulation is automatic capacity utilization optimization of multi-product systems. As discussed, this task may be very difficult because of the many different variables and boundary conditions. In an environment integrating optimization and simulation, the optimizer systematically varies the important decision variables in an external loop while the simulation model carries out production planning with the specified variables in the internal loop (see Gunther and Yang [3]). The target function, for example total costs or lead times, can be selected as required. The result of optimization is a detailed proposal for the sequence of the placed orders. 

The modeling of the plant, the chemical processes, and the production plan can be performed entirely in a graphical manner using three editors, the recipe editor, the plant editor and the production plan editor. A fourth editor is available for the definition and update of a physical properties library. The physical properties library is required to parameterize the models of the plant and of the recipes for the calculation of state changes during the processing steps in simulation. 

SAP R/3 Material Require- ments Planning Production Planning/ Deployment... 

The requirements for short-term planning, especially with regard to campaignhandling as well as the need to consider sequence-dependent setup and finite resource capacities on most resources lead to the selection of the PP/DS optimizer as the most suitable planning method. In addition to the optimizer, PP/DS offers numerous heuristics for automating production planning and detailed scheduling tasks. 

The task of production planning is to determine if and how a quantity of products can be produced at a required date or in a required time range. The aim of production planning is to ensure availability of the required product quantities in time and cost-efficiently. 

Production planning has to determine on the detailed level which production step (operation) has to be carried out at which time and on which resource. For this purpose a resource allocation problem has to be solved (this is denoted as a scheduling problem in mathematical theory). It is natural to desire this allocation to be optimal in a certain sense (minimal number of setups and/or violations of requirements dates, etc.). 

A planned independent requirement is a planned requirement quantity for a product for a certain period of time. It is not necessarily created on the basis of any customer requirement. 

Production planning/optimization always requires a compromise to be found by the humans in charge of decision-making. In the process of finding this compromise, one needs scheduling programs that are integrated into the ERP systems. 

A manufacturer of motoring products planned to market a carburettor and combustion chamber cleaner which would remove oily and other deposits. As a preliminary step in formulating the product, a complete analysis of a cleaner already marketed by a competitor was required. The competitive formulation was stated to include aromatic petroleum distillates and butyl cellosolve. 

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