[OFBiz] Users - manufacture experiences

Hans Bakker h.bakker at antwebsystems.com
Mon Mar 14 19:34:24 EST 2005 

Very good, will include it in the presentation tomorrow....

On Mon, 2005-03-14 at 18:11 +0100, Jacopo Cappellato wrote:
> Hans,
> 
> in Jira (OFBIZ-171) you'll find a patch that will add a new tab to the 
> product's pages with manufacturing related information (routings, boms, 
> llc).
> 
> Jacopo
> 
> Jacopo Cappellato wrote:
> > Hi Hans,
> > 
> > and thanks for your interesting comments and remarks.
> > See my comments below:
> > 
> > Hans Bakker wrote:
> > 
> >> Hi Jacopo,
> >>
> >> let me first say that i am very impressed with this component. I did not
> >> yet look internally, only as a user but it seems that most of the
> >> production functions are present. A great job! I will do a presentation
> >> to the potentional customer this week (wendesday) and i am confident
> >> that i will make a good impression.
> >>
> >> I tried what you have listed below and it is working fine, however a few
> >> remarks:
> >> 1. when the production runs are generated and the system is missing a
> >> routing for a product, no message is given back to the user and no run
> >> is generated, only a tiny message appears in the log.
> > 
> > 
> > Yeah! Error management in the manufacturing component is far from
> > optimal. I'll need to study more about it to make it more user friendly.
> > 
> >> 2. As you mention all runs inclusive lower level runs are generated that
> >> is very good and  the date/times within a run for every step are
> >> calculated, however using the submission date as the start for all runs
> >> (and not using the estimated end date of the order) although the
> >> dependent productionruns should be done first.
> >> Am i right if i say that the timeplanning for runs using certain fixed
> >> assets and dependent runs are not implemented yet?
> > 
> > 
> > About dates and timeplanning: you are right, some work still needs to be 
> > done in this area, mainly:
> > - entering times in milliseconds is ugly, the ui will change to be more 
> > user friendly
> > - (as you have noticed) the highest estimated end date of the mandatory 
> > production runs should be used as the estimated start date of the 
> > production run
> > - at least a report showing the production runs assigned to a given 
> > fixed asset
> > - moving the calendar stuff to the work effort's calendar
> > 
> > At now dependent fixed assets are implemented in this way: you can start 
> > a production run only after that all the preceding production runs have 
> > been completed.
> > 
> >> 3. An integation with the catalog component would be nice for the BOM's
> >> i.e. list a bom from the product list.
> >> 4. To be sure all routings and BOM's are there an manufacturing overview
> >> page for a product with routings and BOM's of dependant products would
> >> be nice..
> >>
> > 
> > I agree. I'm going to develop a new 'manufacturing' tab for the
> > product's pages later this week. I'll try to send it to David (and you) 
> > before wednesday.
> > 
> >> In the MRP option i asked to have events listed from a certain date but
> >> it looked like it was listed all items from the start.
> >>
> > 
> > Hmmm... this seems a bug... I'll have a look at it and I'll let you know.
> > 
> >> I will do some more tests today and tomorrow....
> >>
> >> thank you very much for your work, hopefully i can contribute in the
> >> future...
> >>
> > 
> > You're welcome.
> > 
> > Kind regards,
> > 
> > Jacopo
> > 
> > 
> >> Regards,
> >> Hans
> >>
> >>
> >> On Fri, 2005-03-11 at 11:44 +0100, Jacopo Cappellato wrote:
> >>
> >>> Hi Hans,
> >>>
> >>> this is correct; when you manually create a production run, only the 
> >>> first level in BOM is considered.
> >>> Then, if you run MRP, the requirements for production runs (for the 
> >>> subcomponents etc) will be generated. Please note that the MRP will 
> >>> create requirements only if a ProductFacility record is present for a 
> >>> given product (you can edit it in the "facility" tab of the 
> >>> catalog->product's pages). If you accept the requirements, the 
> >>> production runs will be created.
> >>>
> >>> To make the system work as you want (i.e. create all the production 
> >>> runs needed to create a finished product in one step) you have to:
> >>>
> >>> 1) create a sales order for the finished product
> >>> 2) create a sales shipment and add the order item to it as a shipment 
> >>> plan item
> >>> 3) once the shipment plan status is put to "scheduled" the shipment 
> >>> plan will be available under the "shipment plan" menu in the 
> >>> manufacturing component
> >>> 4) from there you can print a report to analyze the stock levels of 
> >>> the raw materials needed to manufacture the product and then you can 
> >>> create all the production run in one step.
> >>> 5) if you go to the order view page you'll see that a production run 
> >>> is linked to the order item related to the finished product you need 
> >>> to manufacture
> >>> 6) in the top of the production run pages you'll see that the 
> >>> production run is linked to other production runs (the '*' symbol 
> >>> means that the production run needs to be completed before the actual 
> >>> production run).
> >>>
> >>> Regards,
> >>>
> >>> Jacopo
> >>>
> >>>
> >>> Hans Bakker wrote:
> >>>
> >>>> Hi Jacopo,
> >>>>
> >>>> I am trying to use the manufactoring component to be able to show the
> >>>> system to the potentional customer. This customer produces
> >>>> autopartassemblies using stamps and welding- and other machines. These
> >>>> autopartassemblies are manufactured from raw material on rolls and from
> >>>> purchased parts (nuts is an example)
> >>>>
> >>>> Presently the planning of the production process is done on 
> >>>> spreadsheets
> >>>> and they are looking to have a system which will help them doing:
> >>>>     1. The order: Receive the order with the required productnumber,
> >>>> quantity
> >>>>          and required deliverydate which should enter the accepted 
> >>>> order into
> >>>> the
> >>>>          production planning.
> >>>>     2. The production planning: which machines should do what and in 
> >>>> which
> >>>> order and
> >>>>          at what date should the production process start to achieve 
> >>>> the
> >>>> shippingdate.
> >>>>         Of course taking into account that machines can be busy for 
> >>>> other
> >>>> orders and
> >>>>          that products have subparts which need to be manufactured 
> >>>> first.
> >>>>     3. Material resource planning (MRP): which parts and raw material
> >>>> should go to
> >>>>          which machine or warehouse or should be ordered and which 
> >>>> parts
> >>>> should be
> >>>>          shipped to the customer.
> >>>>
> >>>> attached my bill of materials of the product 0163 i want to 
> >>>> manufacture.
> >>>> It is an assembly part consisting out of :
> >>>> 1. 0703S which consist out of a part 0703 which need to stamped 
> >>>> first (1
> >>>> stamp machine) from raw matarial (RW-0703). Then a purchased nut (1920)
> >>>> will be welded onto it.
> >>>> 2. 0659 which will be stamped using 4 stampmachines.
> >>>>
> >>>> I also created a routing for every product.
> >>>>
> >>>> I now started a production run but see that only the first level of the
> >>>> BOM is executed not taking into account that 0703S and 0659 need to be
> >>>> manufactured first or be in stock.
> >>>>
> >>>> am i missing here something? I am just thinking, perhaps i need to 
> >>>> setup
> >>>> inventory?
> >>>>
> >>>> I have send you my current ofbiz data base ('data' directory) in a
> >>>> separate mail (can sent to others too on request, zipped size is about
> >>>> 3Mb)
> >>>>
> >>>> regards,
> >>>> Hans
> >>>>
> >>>>
> >>>> ------------------------------------------------------------------------ 
> >>>>
> >>>>
> >>>>
> >>>> ------------------------------------------------------------------------ 
> >>>>
> >>>>
> >>>>
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