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#Asme y14.5 used book how to
Bay Area I was amazed to discover that no one that I deal with (many shops) had no clew at how to interpret GDT and most have never even heard about it. I learn it good enough to be able to direct engineering on how to use it. In the Space Shuttle program the old Y14.5 was king.
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The amount of people qualified to read, understand and debate errors on drawings GDT is so reduced that I would say that one in 5,000 workers may be qualified. Mostly high-end industry quality drawings use GDT (ASME Y14.5). The program will put dimension alright, but the cleaning up to make it to normal dimensioning standards is far more work that is worth using.Ĭorrectly dimensioning is still and art and no machine will be able to have human intuition powers, not in my life time. I use Solidworks 2008 and their claim is nothing but a big shame and a lie. Maritime Academy in Vallejo.ģD CAD programs that claim to self dimension is nothing by a big hoax. I saw this first hand from seeing my daughter go through college in one of the best colleges in California for mechanical engineering, the U.C. Far beyond of a four year college degree that by the way, colleges have almost entirely have remove from their mechanical engineering curriculum. Reading drawings as knowing how to create good drawings it is still an art and something that takes many years to master.
#Asme y14.5 used book series
Y14.5 is now ASME Y14.5M and is parts of the series of ASME Y14 books. Mil standard 100xx got combined into ASME Y14 series of standards. Be warned that mis-reading a print for dimension or tolerance is probably very large on the list of things that go wrong.įor reference, ANSI Y14.5M does not exist any more. A lost part is not a failure, it is an education that we go through. Frustration kills more ideas than anything else. It is part of the learning curve, training the mind to rule the hands. Make another from some more bits and get it to work. It is wise to start with a small project and finish the its, and bits, that are mostly bar stock, and if its junk. The In/Out process of sketching it out can help to better understand the needs in finishing the part, (castings are notorious for being a little 'off' if not carefully laid out before the metal hacking is started). Some times a change can be caught before it takes root in the physical part and makes it scrap. One trick I use on parts with confusing dimensions, is to take a rule and caliper and sketch out the part in hand, and compare it to the official drawing. Dimension lines and notes on the keylist (if it has one) will become more understood as you learn about machining, and the requirements of centers, fit and finish. Mostly tho, the fog will clear as you make simple things, and find the keys to reading a drawing right there in your head. I think the best way I can answer you is to get a high school level book on mechanical and archetectural drawing, that is meant to teach us farm boys where to put a line on paper.ĭrafting and Drawings, are the foundation of making parts from scratch, and if a drawing is not clear, you will be quickly lost in the woods.