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Document on Capacity Planning (SAP)

 

Capacity   Planning in SAP

 

 

 

 

 

 

Capacity Planning

 

1.0 Introduction

 

Capacity planning comprises of -

 

-       Capacity evaluation

-       Capacity levelling

 

n Available capacityindicates which activity produces a capacity each day. A capacity is always assigned to at least one work center.

n Capacity requirements shows how much capacity the individual orders need at a certain point in time. Capacity requirements are determined during lead time scheduling.

n In Capacity evaluation, these requirements can now be compared with the available capacity.

In the capacity evaluation, available capacity and capacity requirements are determined

and compared with each other in lists or graphics.

n In Capacity levelling,  orders can be shared out to avoid overloading. This way it is possible to leverage the suitable resources or to plan optimal scheduling with sort criteria.

The objectives of capacity leveling are:

-       Optimal capacity commitment

-       Selection of appropriate resources

 

In most applications, you can use two types of planning table (graphical and tabular versions)

to display the capacity situation and to carry out capacity leveling.

 

 

Capacity Planning

 

n Capacity planning uses several types of display. It uses evaluation line graphs and Gantt charts.

n You can also carry out simulations with the planning tables.

n In the capacity evaluations, the capacity requirements are compared to the available capacity.

n Capacity evaluation has to perform the following:

-       Determination of available capacity

-       Determination of capacity requirement

-       Comparison of available capacity to capacity requirement

 

1.    To check and plan the work center capacity, enter transaction CM01.

A capacity planning: Selection screen will appear. Enter the work center and the plant as input.

 

                       

 

2.    A capacity planning: standard overview screen will appear.

This screen shows the capacity load with respect to week.

 

e.g. In 41th week, requirement is of 76.09 hours and available is 52.70 hours and capacity load is 144% it means there is overload on  the work center in that week. The overload is shown in red color.

 

 

3.    To check the capacity load in graphical form click on icon in capacity planning: standard overview screen.

 

 

Here, the blue color shows the capacity requirement, red color shows the overload capacity and yellow color shows remaining available capacity.

 

From this we can analyze in which week the capacity has overload.

 

4.    To check the detailed capacity go back to capacity Planning: Selection Screen and click on

 

 

A detailed capacity List will appear.

 

 

5.    To check the Detailed capacity List in graphical form click on   in Capacity Planning: Detailed Capacity List.

 

 

Click on the in the graphic.

 

 

 

Following screen will appear.

 

 

 

6.    To check the variable overview of capacity planning again go back to capacity Planning: Selection Screen and click on

 

 

Following screen will appear.

 

 

 

From the above three capacity views we can analyze capacity loads and subsequently we can manage the loads.

 

 

Capacity leveling

             The objectives of capacity leveling include:

  • Leveling overloads and under loads at work      centers
  • Achieving optimum commitment of machines and      production lines
  • Selection of appropriate resources

For capacity leveling enter the transaction CM21. Following screen will appear.

 

Now, enter the work center, plant and capacity category and click on

A graphical planning table will appear.

 

How to adjust capacity Load

For a group of selected operations in the capacity planning table you can manually do the following using drag and drop:

  • Dispatch to one work center
  • Reschedule to one other work center
  • Deallocate

Procedure

  1. Select the desired operations.
  2. Press the SHIFT key and the right mouse button      and drag the group of operations to the desired place using the cursor,      that is:
  • Onto the target work center and desired      dispatching date, when dispatching and rescheduling

The dispatching date is the date that corresponds to the position of the cursor.

  • Into the pool chart, when deallocating

Result

When dispatching and rescheduling, the system dispatches all operations from the operations group to the target work center. In doing so, the system considers the strategy settings and the dispatching sequence that you entered in the strategy profile. Thus, when you reschedule a group of operations that has already been dispatched, the sequence of the operations can change.

Save the planning results after modification.

 

You can view the results in Capacity Planning: Standard Overview screenCM01.

 

 

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