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Re: LOOKIN FOR ADVICE



I just found out that it is the VUOSO system that I needed to research


"roger" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> The Ely Whitney convention sounds similar to what I have been told of
Vueso.
> But not sure if this is the system or the name of a person who invented a
> system. Thanks anyway for what you have provided. I have a good idea of
what
> I was doing anyway which is similar. I was grouping components by feature
> and making those into a family of parts, hopefully eventually reducing set
> up times.
>
>
> "Wayne Lundberg" <[EMAIL PROTECTED]> wrote in message
> news:[EMAIL PROTECTED]
> >
> > "roger" <[EMAIL PROTECTED]> wrote in message
> > news:[EMAIL PROTECTED]
> > > hi,
> > >     I'm doing a project at college and have been told to look at the
> Vueso
> > > system and Group Technology. I can't seem to find anything on the net.
> Can
> > > anyone point me in the right direction
> >
> > This will get you started with Group Technology. As to Vueso, I don't
have
> a
> > clue and have been in manufacturing for over 40 years.
> >
> > Documentation, CAD/CAM, Metrics
> > One of the six keys to successful manufacturing you are mastering is
> > intelligence (machine-intelligence, process-intelligence, schedule,
etc).
> > Once you develop the procedure, the plan, the detail drawings, the
> knowledge
> > of your product; either through trial and error or up-front thinking,
you
> > must communicate it.
> >
> > If you keep your objectives in sight and you keep the six principles
> firmly
> > in hand, you will have no trouble.
> >
> > Engineering documentation, whether it be a series of sketches on
> restaurant
> > place mats, detailed drawings on velum or CAD databases is still nothing
> > more than information. The same way you handle your correspondence
files,
> > bookkeeping and accounting, you handle engineering documentation. You
name
> > the parts and file them accordingly.
> >
> > There is a numbering convention which dates back to Ely Whitney and it
> > works. You name each product you make and you give it a number. The
number
> > should be long enough to allow you many, many branches. For example the
> > titanium handled belt/sword may be called Excalibur, and the product
> number
> > 879000. The numbering can be anything. In this case I chose the year 87
as
> > the birth of this product idea. Now you have roughly 9,000 drawings you
> can
> > generate under the sub-heading of part number 879000. When you file
them,
> > you will notice immediately that the 87 is the most significant
> > distinguishing number. You will know without a doubt that it belongs to
> the
> > Excalibur line. Further chaining allows identification of sub-components
> and
> > assemblies, processes and the like. A part number 872001 will be the
first
> > component to go into assembly 872000 and so on.
> >
> > If you have the time to think up a combination form, fit and function
> > numbering system so much the better. As you develop product along
similar
> > lines you will have similar detail parts that go into them. If your
> > numbering system tells you material, condition, shape, size and other
> > features then you are in control of a very talked about subject, one
which
> a
> > lot of companies are trying to develop, but with limited success. This
is
> > only because they have so many different part numbers already in the
> system
> > that to convert to Group Technology would be a man-killer in cost and
> time.
> > But starting from scratch is the ideal time to generate a GT numbering
> > system. There are many numbering conventions on the market under
packaged
> > manufacturing software.
> >
> > If I were starting up a serious product line I would recruit a Junior or
> > Senior from an area university and give them the challenge of combining
an
> > off-the-shelf software package for GT and computer-aided process
planning
> > for my product. It will be an up-front expense with no immediate payback
> but
> > it's an investment in future profits by lining up my ducks in a row now
> for
> > quick shooting later.
> >
> > For the rest of the book, let's assume you have developed some form of
> group
> > technology along with the conventional numbering system. For simplicity
> > we'll combine manufacturing processes with size and shape, and keep it
to
> > just a few typical parts just to illustrate the concept.
> >
> > The blade on the Excalibur is high carbon steel and processed through
> > rollers cut to 12 to 18 inches, brazed and heat treated. The first
number
> is
> > 87 followed by four zeroes. The last two numbers will represent the
size,
> > the third from last, the process, the fourth from the end, the material.
> > Thus, 871218 will give us that information if we have a table somewhere
> that
> > says the fourth position number for one is 1040 steel, and so on. It's
> kind
> > of obvious that a 6 digit number is not going to give us all the
> information
> > we need. In real GT numbering systems these numbers are as high as 32
> > digits.
> >
> > The advantage of all this is that eventually your data will be in a
> computer
> > and computers handle large numbers with extreme ease. You can build
> process
> > plans and eliminate duplication of effort quite easily.
> >
> > Again, this is a low-priority item when it comes to developing your
> product
> > and manufacturing it on a shoestring. Just keep in mind that when you
> grow,
> > things get complex. If you can put a handle on them right at first
you'll
> be
> > swimming in cash.
> >
> > GT is one good reason to think of CAD/CAM as a means toward
cost-effective
> > engineering documentation. Price of a computer and engineering software
is
> > on the minus side. It would cost you more to do it the old way than it
> will
> > to do it the new way.
> >
> > Wayne, now working on www.rcsailcars.com to add zest to RC activities.
> >
> > PS feedback from you will keep this newsgroup alive and active.
> >
> >
>
>





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