Discuss the guidelines for material planning and explain the techniques of material planning
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Meaning of Materials Planning:
Materials Planning has been defined as the scientific way of determining the requirements of raw materials, components and other items needed for production within the economic investment policies. It is rather a sub system in the overall planning activity.
The factors affecting materials planning can be classified into micro and macro factors. Factor such as price trends, business cycles, government policy, credit policy etc. form part of macro factors; while factors such as corporate objectives, plant capacity utilization, working capital, lead times, inventory levels, delegation of power, seasonality, communication system etc. are micro in nature.
Techniques of Materials Planning:
The planning for materials management is aimed at determining the demand for the end-products. This is possible only through farsightedness or forecasting. Therefore, forecasting forms “the basis for materials planning. There are various techniques for forecasting. These techniques are equally applicable to demand forecasting.
The techniques are:
(i) Moving averages method.
(ii) Exponential smoothing and Time series.
After demand forecast the exercise of materials planning starts. Requirements for various materials are ascertained from the demand forecast. For this purpose, the bill of materials is used through explosion charts. Here the use of computers is very effective for “exploding” bill of materials with demand forecasts. The bill of materials is prepared and issued by the planning or engineering department in a standard form.
An explosion chart is just a series of bills of materials grouped together in a matrix form so that combining the requirements for different components can be done. Materials planning are usually made for a short period on a quarterly basis and at the beginning of every quarter; it is quite natural to find that some materials are in short supply and some in excess. This can be ascribed to wrong forecasting.
To rectify such errors in the estimation of materials, quarterly planning is resorted to. In engineering industries, even quarterly planning seems to be too long and realistic ordering is placed with the suppliers.
Materials Planning has been defined as the scientific way of determining the requirements of raw materials, components and other items needed for production within the economic investment policies. It is rather a sub system in the overall planning activity.
The factors affecting materials planning can be classified into micro and macro factors. Factor such as price trends, business cycles, government policy, credit policy etc. form part of macro factors; while factors such as corporate objectives, plant capacity utilization, working capital, lead times, inventory levels, delegation of power, seasonality, communication system etc. are micro in nature.
Techniques of Materials Planning:
The planning for materials management is aimed at determining the demand for the end-products. This is possible only through farsightedness or forecasting. Therefore, forecasting forms “the basis for materials planning. There are various techniques for forecasting. These techniques are equally applicable to demand forecasting.
The techniques are:
(i) Moving averages method.
(ii) Exponential smoothing and Time series.
After demand forecast the exercise of materials planning starts. Requirements for various materials are ascertained from the demand forecast. For this purpose, the bill of materials is used through explosion charts. Here the use of computers is very effective for “exploding” bill of materials with demand forecasts. The bill of materials is prepared and issued by the planning or engineering department in a standard form.
An explosion chart is just a series of bills of materials grouped together in a matrix form so that combining the requirements for different components can be done. Materials planning are usually made for a short period on a quarterly basis and at the beginning of every quarter; it is quite natural to find that some materials are in short supply and some in excess. This can be ascribed to wrong forecasting.
To rectify such errors in the estimation of materials, quarterly planning is resorted to. In engineering industries, even quarterly planning seems to be too long and realistic ordering is placed with the suppliers.
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