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Starting up serial control (Read 1735 times)

shadowcaster

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Starting up serial control
04/13/14 at 09:32:24

I have about 1600 items I'd like to start having serial control over.

Some we make 1 at a time others we may make 20 of.

Some have existing stock.

Some items may be be stocked partly finished and then get a WO for things like finished grind and another for chrome plating so they can be stocked as up to 3 different items before they finally get invoiced out.

At what point do I add the serial number, do I need a different number for each phase ?

We are trying to use this in conjunction with inspection data we are taking so we can trace back any issues we may have.

I'm looking to do this with a little pain as I can.

Anyone have any suggestions for what to do and what not to do ?

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TGerak

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Re: Starting up serial control
Reply #1 - 04/15/14 at 09:40:11

We tried using Serial Control and bailed out. . . Our process includes labor as well as outside process sequences. Our biggest hitch came when receiving parts back from outside service and having to assign serial numbers. We ended up with multiple serial numbers being assigned to the same part. I traded emails with Lynn at the time about when S/N's should be assigned. We never really reached a conclusion. I'll be interested to see how it works out for you.

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Kelloggs Active Member Do crazy people know they are crazy? Posts: 784 Gender:	Re: Starting up serial control Reply #2 - 04/15/14 at 13:44:06 I don't get it... When a part goes out for outside service. It comes back as a different part, so why would you have multiple serial numbers assigned to the same part? Kelloggs
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Lynn_Pantic

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Re: Starting up serial control
Reply #3 - 04/15/14 at 17:56:36

It depends how you set it up. Processing can be operations within a finished item or they can be stocked at certain stages along the way which means they need separate part numbers for each stage of stock. The part number plus Serial number must be unique so you can assign a serial number to the part number for the unplated part and carry that same serial number through plating, assembly and other operations if they are stocked and carry different part numbers.

Lynn Pantic
IS Tech Support
lynn@istechsupport.com

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TGerak

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Re: Starting up serial control
Reply #4 - 04/16/14 at 06:03:50

I'm sure part of the issue is us. We have historically assigned sequential serial numbers to finished product at final inspection. Since we will experience some yield in our manufacturing process, we only serialize parts that are accepted to avoid gaps in our serial numbers. When a Service PO was prompting for serial numbers, our receiving guys started keying in the next sequential numbers. When the same parts came back from a second outside process, they were assigned the next sequential numbers. We ended up with parts that had more than one number assigned.

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Lynn_Pantic

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Re: Starting up serial control
Reply #5 - 04/16/14 at 07:49:05

That sounds like a problem with the program logic. If you don't assign the serial number until the final inspection (WO-I) then Service PO's shouldn't be asking for a serial number. On the other hand, if a serial number is etched onto a part early in the process and you want to track processing by serial number then it should but it should allow multiple processes to the same S/N and not add to On-Hand until WO-I. I will look into it.

Lynn Pantic
IS Tech Support
lynn@istechsupport.com

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Kelloggs Active Member Do crazy people know they are crazy? Posts: 784 Gender:	Re: Starting up serial control Reply #6 - 04/16/14 at 11:31:07 Still don't get it..... What about assigning a digit to the right of the initial serial number? Like 7889-1-2-3 7889 is the raw material, 1 - is the outside service 2 - the manufacturing process 3 - the final product. easy to trace back and no more duplicates Kelloggs
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TGerak

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Re: Starting up serial control
Reply #7 - 04/16/14 at 11:45:50

I agree that's a logical serial numbering system. If I were setting up a system from scratch, I'd consider it. However, I've got 25 years of historical serial numbers and want new numbers to fall in line sequentially. Knowing that we are going to have parts that are scrapped along the way and others that won't pass final inspection would create gaps in the sequence if we were assign numbers at the beginning of the process. Serialization is a service we're providing for our customers. They want serial numbers to be sequential. It's one of the constraints of a mature product.

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Lynn_Pantic

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Re: Starting up serial control
Reply #8 - 04/16/14 at 13:45:45

PO-C (Evo version) is being changed to do the following: If the Work Order Default setting for "Process Scrap Serial Number at WO-I/WO-F/DC?" is set to Y then we are assuming serial numbers are assigned early in the process and PO-C for Service PO's will prompt for the serial number but not increase On-Hand quantity and it will allow the same serial number to go through multiple processes. The final on-hand increment will occur at WO-I. If the default is set to N, meaning that serial numbers are not assigned until the item is complete and known to be good, then PO-C will not prompt for serial number at all for Service PO.

Lynn Pantic
IS Tech Support
lynn@istechsupport.com

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shadowcaster Active Member I'm not here because I know what to do. Posts: 678 Gender:	Re: Starting up serial control Reply #9 - 04/16/14 at 14:56:29 That sounds like it would work for me.
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shadowcaster Active Member I'm not here because I know what to do. Posts: 678 Gender:	Re: Starting up serial control Reply #10 - 04/16/14 at 15:14:50 What other defaults will I have to set up ? is there a list somewhere.
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