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Ohhh, Mister high & mighty. I started out on a table with a parallel straight edge and triangles. Only the senior designers got the fancy machines.
I started in junior high with a t-square and triangles. That was part of my lost post. My first instructor was bald with waxed handlebar mustache and lots of junk studebakers in the school shop.
Not him. He was older and had 150% more charicature level and a funny voice.
High school drafting teacher also had a big mustache and strange personality. #1 joke in that class was, of course, holding the eraser brush in front of your mouth and mocking his voice. He laughed every time and then gave you detention.
I still use 2B in my mechanical pencils. so soft and lovely. **** that HB noise.
Geometric Dimensioning and Tolerancing. Symbols and numbers designed to make engineering drawings universal. Somewhat confusing to old timers in the shop.
I guess that shows how hard it is to get new standards in place. I worked in Engineering for nearly a decade (up until the last year) and never even heard of this.
I didn't realize there was a big issue following the drawing standards already in place.
If you both understand the capabilities of the manufacturing system, then it is easy to get what you expect.
This reminds me a great deal of when we got a new mechanical designer back at PR&E in the mid 00s.
Dennis was about my age, and was well versed in Solidworks. His predecessor, Dave, grew up with a drafting table and a pen.
You could tell just by looking at them which products Dave had designed and which ones Dennis did. Dave's panel designs were very boxy and angular, Dennis had a flair for curves and interesting patterns.
Trouble is, Dennis' stuff was a real pain in the *** to manufacture.
Dave knew that the fab shop was going to be cutting this stuff on a turret press and folding it with a 200 ton brake which I suspect was originally used to manufacture battleship hulls during WW1. His parts weren't fancy, but they always fit together.
Dennis could never accept that just because he could specify a tolerance to 0.001" didn't mean that the shop could actually hit that number repeatably, and that designing interlocking parts such that it's an interference situation if they're +0.01" off isn't a good idea in a mass-production environment under those conditions.
Location: Detroit (the part with no rules or laws)
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I took a couple drafting and blueprint classes in college. They helped me slightly and certainly added to my confusion. This is probably why im freezing my *** off on the roof trying to thaw and get an RTU working. Instead of sitting in a warm comfortable office sipping lattes and drawing pictures.
This is a high demand industry though, and decent money.
Last edited by Erat; 11-22-2017 at 08:40 AM.
Reason: Sp
Came across this drawing today. I have shown the general drawing, including the assembly view (minus the not yet added panel). Then a blow-up of the assembly view. What is wrong with that view?
I took a couple drafting and blueprint classes in college. They helped me slightly and certainly added to my confusion. This is probably why im freezing my *** off on the roof trying to thaw and get an RTU working. Instead of sitting in a warm comfortable office sipping lattes and drawing pictures.
This is a high demand industry though, and decent money.
Would much rather work on a cold RTU, than a "AZ in summer hot" one.
Came across this drawing today. I have shown the general drawing, including the assembly view (minus the not yet added panel). Then a blow-up of the assembly view. What is wrong with that view?
looks reasonable. why is the assembly complete on one side of the drawing and not the other?
I'd also put a gap/dummy panel in there to show people where the lock nut washer goes. people are really good at putting things together wrong (myself included).
Came across this drawing today. I have shown the general drawing, including the assembly view (minus the not yet added panel). Then a blow-up of the assembly view. What is wrong with that view?
...
Why is the nut larger than the washer in the picture? By specs, the hex points should not exceed the diameter of the washer.
Location: Detroit (the part with no rules or laws)
Posts: 5,677
Total Cats: 800
Originally Posted by DNMakinson
Came across this drawing today. I have shown the general drawing, including the assembly view (minus the not yet added panel). Then a blow-up of the assembly view. What is wrong with that view?
looks to me like the width of the "light pipe" or whatever is bigger than the hole it's going into.
11-21-2017, 12:39 PM
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