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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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