Enhanced scheduling uses an "infinite" loading technique to schedule each work ticket as if it were the only work ticket in the shop. The advantage of this method is that it shows the true load based on demand; however, care must be taken not to overload the work centers.
When multiple work tickets are scheduled for the same time period, work centers may become overcommitted, with the total number of hours committed exceeding the number of available hours for a day. You can review the total commitments scheduled for each work center using Work Center Capacity Inquiry or the Schedule Capacity Report. These options provide either a graphic summary of total capacity commitments for each work center or a detailed "pegging" of individual work ticket steps that are scheduled for each work center. Individual work tickets can be rescheduled or the queue time can be increased to relieve overcommitted work centers.
A work center has a capacity of 8 hours per day, and 2 work tickets are to be scheduled. The first work ticket requires 28 hours of work, and the second requires 18 hours of work. For simplification, assume that each work ticket has only a single step and that both use the forward scheduling method. If both work tickets are given a start date of 5/11/28, the work center is scheduled as follows.
Date |
Work Ticket 1 |
Work Ticket 2 |
Scheduled Hours |
5/11/28 |
8 hours |
8 hours |
16 hours |
5/12/28 |
8 hours |
8 hours |
16 hours |
5/13/28 |
8 hours |
2 hours |
10 hours |
5/14/28 |
4 hours |
_______ |
4 hours |
|
28 hours |
18 hours |
46 hours |
Because this work center can handle only 8 hours of work per day, a scheduling conflict exists for three out of the four days. To resolve this conflict, one or both of the work tickets should be rescheduled.
For more information, see: