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Scheduling shop orders in APB

  • 15 September 2021
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Why the shop orders are not automatically scheduled considering the product structure? Even when pegged according to the product structure and run the APB, schedule is still not arranged as per the product structure.

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Best answer by Dinidu Udana 15 September 2021, 07:41

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APB will schedule the Shop orders as it finds them on the database, and it will not sequence the shop orders according to the product structure or the manual pegging. Please note that APB is not a material planning engine, but a production scheduling tool.  But APB considers material availability with the parameters set accordingly.

When you set the need date/ earliest start date for all shop orders in one specific day, APB will fetch the shop orders as it queries the orders from the database, regardless of the pegging or the product structure. And as per the Work center resource availability shop orders will be scheduled. Also, when Dispatch rule is set as none, sorting orders into any order is not applicable. Using Dynamic order processing (DOP), might be helpful with this situation.

Additionally, for ‘Always Finite’ material to be available for scheduling, it should have on hand stock or open supply arriving before a certain date. After that date, the operations could be scheduled. Else they will become unscheduled.