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https://issues.apache.org/jira/browse/OFBIZ-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13759393#comment-13759393
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Pierre Smits commented on OFBIZ-5307:
-------------------------------------
Jacques,
The meat industry of which you speak are actually two separate industries.
First is the livestock farming. Like in the other farming sectors (e.g
agriculture, horticulture and aquaculture) you don't talk about manufacturing,
but breeding and/or growing. Applying manufacturing terminology and processes
wouldn't land. And, business and cost-profit models are totally different than
those used in other market sectors. Please let us table that avenue for a later
date.
The other industry you're talking about is the meat processing industry. Yes,
livestock is bought and output isn't certain. For this, open-end production run
definitions could/would be applicable.
Though you can say that the ingredient (the livestock) results in various end
products, it is the customer demand and subsequent production run defines the
end product to be produced.
Let me try to explain this with following example.
A customer places an order of 1 kg of chicken livers. Let's say that the
average liver weighs 20 grams. You would thus need 50 livers, or at least 25
chicken. So in order to deliver you would produce the end product and have a
BoM and production schema to match it. Anything else gained from boning the
chicken (feathers, wings, thighs, etc) is a by-product of the production run.
Should the next customer order 1 kg of chicken wings and you have none in your
inventory, you again have a production run matching the end product, and in
that case the livers would be a by-product.
Now, getting back to existing functionality in relation to the examples. First,
you define the BoM for the end product(the livers, or the wings) and associate
the components/ingredients (the dead, cleaned chicken). Second, you define the
schema (and associate the end product to the schema) and tasks required to
produce. And on the task(s) you associate the by-product.
> Reverse/Inverted/Breeder Bill Of Materials
> ------------------------------------------
>
> Key: OFBIZ-5307
> URL: https://issues.apache.org/jira/browse/OFBIZ-5307
> Project: OFBiz
> Issue Type: Improvement
> Components: manufacturing
> Affects Versions: SVN trunk
> Reporter: Rupert Howell
> Assignee: Jacques Le Roux
> Priority: Minor
> Labels: bom, breeder, inverted, manufacturing, reverted
> Fix For: SVN trunk
>
>
> Currently the system only allows for 1 product to be made up from multiple
> other products.
> A common process in manufacturing is to either manufacture multiple parts
> from one part (e.g Chop a length of steel that has been ordered in from a
> supplier and manufacture your own washers) or to disassemble a returned
> manufactured item into its components and restock these components.
> The BOM/MRP/ Manufacturing and production run functionality should be changed
> to allow for production runs in both ways (assemble / disassemble)
> [Associated Nabble
> thread|http://ofbiz.135035.n4.nabble.com/Manufacturing-Washers-from-Pipes-td4643707.html]
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