This answered my question. Thank you Thushitha!
Hi Eric, It is bit confusing why you are trying to achieve such behavior? If the Purpose is to utilize available machine capacity at op 10 that would happen even when you finite schedule ‘As late as possible’. And also you will get accurate start dates for finite raw material planning, etc. For those aspects there is no such difference in the functionality based on the scheduling direction that you select. The method you are trying to use here may create lots of gaps within a single shop order and that would create lots of Work In Progress (WIP) stock in your production. If the requirement is finishing as late as possible you can use that option in scheduling and eventually all other finite constraints will be considered by APB when scheduling. For a selected order you can select and try selectively schedule option in APB for Op10 As soon as possible and then select remaining operations of same order and do schedule as late as possible. But that wouldn’t create any value for the sched
Hi Heather,Capability check can be performed on a customer order line to help determine when an order can be delivered based on material and capacity constraints. I recommend reading up on it in the online documentation (F1/Help) to see if it would benefit your business. I’m afraid I can’t help much more than that as we do not use it.
Hi @Hashane Bolonne, Do you mean Capability check box? Capability check can help determine when I can ship something, but isn’t exactly what I’m looking for. Example: I know I want to ship an order on Monday 8/28. I have to check delivery lead time (4 days) and set the target date for 9/1 to achieve a ship date of 8/28. Is it possible to allow entry of 8/28 in planned ship date and let the system calculate 9/1 as the planned delivery? If I attempt to manually change a planned ship date, I get this message:Thank you!!
This is what I was looking for. Thank you Bjorn!
Thank you Lakshan. I found the correct dialogue box.
Hi @bdoucette No, they do not utilize shipments at all. They report reserved quantities as picked, then deliver the customer order line in the “Deliver Customer Order Lines” window. Thanks,Eric
Thank you Bryan and Mithun. Preventing shipments vs blocking customer orders is logical. Unfortunately our shipping department does not utiliize the Shipments window to deliver orders.
This is an excellent topic Saman. The lack of consideration of operation blocks is the reason we do not use APB. We schedule operations in sequence that use the same machine program and do not require setup changeovers. We group the operations using operation blocks, then sequence the blocks in the operation blocks window. I’ve explored using APB to help schedule more efficiently, but gave up when I learned it does not consider operation blocks. I’m exploring using part characteristics and setup matrixes on the work centers, but this is a daunting task with more than 1000 parts that run across multiple work centers.
That works perfectly. Thanks!
Thanks again. One more question on the topic of packaging… A tray for example holds 30 parts. QPA on the tray is set to .0333.A standard lot size of 100pcs requires 3.33 trays. In reality we’ll use 4 trays but 3.33 would be backflushed. Do you have a recommendation to have 4 trays backflushed without manual intervention on every order? Any rounding options to prevent decimals being issued? I could set the QPA to .04, but lot sizes are variable.
Thank you Bjorn, I thought this might be the only option. Is there a solution for routings that contain only one operation?
Hi Saman,A rescheduled operation converting back to a compressed finish date will overlap with other operations, causing the work center to appear overloaded. Here’s an example of an overloaded work center caused by automatically rescheduled operations. Preferably, the operation should maintain it’s uncompressed finish date, maintaining the desired schedule.
Hi Mats, Thanks for the reply. Please consider this scenario:Forecast for 25 on 3/15/22 Forecast for 25 on 4/1/22 Forecast for 25 on 8/1/22Orders have a high fixed setup cost so it doesn’t make sense to manufacture 25 twice within a month. How could MPS generate supply for 50 due 3/15, and 25 due 8/1? I don’t think time fences will resolve the problem since we’ll just get individual 25 pcs requisitions as they cross the PTF. Setting a min of 50 doesn’t work, or we could end up carrying an unneeded 25 after August. A least unit cost or period order quantity strategy would work and an EOQ method would even tell me if it makes more sense to build 75 now, and carry the additional 25 for 4 months.
Thanks for the reply Saman, I find it odd that MRP and MS logic is so different. Just because a part has independent demand and needs to be forecasted, shouldn’t mean planning methods wouldn’t apply. Is there a way to forecast independent demand and have MRP completely run the show?I’d like to read up on it more but the link isn’t working for me. Thanks,Eric
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