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General Ford Ranger Discussion General discussion of the Ford Ranger that does not fit in any other sub-forum.

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  #26  
Old 06-04-2008
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I reckon that automotive is the forerunner in this field? As far as 2D prints go.. I heard a saying many years ago.

"It's a 3 dimensional world and you can't change it"

I'm sure there are industries out there still stuck on 2D prints. (like you are involved with)
A good analogy to drive home my point would be Imperical units vs metric units. Anyone who would make the claim that the majority of the world uses Imperial units is just ignorant of what the rest of the world actually uses.

As far as the most widely used CAD system for the world. I'm not sure? I'm not sure anyone would actually know. I do know that I can find Catia in nearly every country where parts and/or tooling is made. Catia is mainstream for aerospace and is very rapidly becoming mainstream for automotive.
IMO Solid Works is about the best bang for the buck mid-range CAD out there. I'm a big fan of SW because of it's value.

btw, I am fluent on I-Deas, Catia V5 and Solid Works. Past systems: ComputerVision, UG, Anthocam, & Imageware (class A surfacing)


Rich
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  #27  
Old 06-04-2008
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Originally Posted by sday88 View Post
HVAC design.. used 2D cad.
You know the Nissan full size pickup and SUV? Guess which dimension its HVAC system was designed in. And guess how many prints I made for the production components & assembly.

Rich
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  #28  
Old 06-04-2008
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Most of the foreign countries use MicroStation (junk) mainly. The vast majority of U.S. companies use AutoCAD.

All architecture in the U.S. uses standard units
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  #29  
Old 06-04-2008
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Originally Posted by lifted97ranger View Post
Most of the foreign countries use MicroStation (junk) mainly. The vast majority of U.S. companies use AutoCAD.

All architecture in the U.S. uses standard units
IMO counting a company vs how many people actually use a particular system is not a fair measurement.

Ford would only count for 1 under that system of measure. But under my system of measurement (which I think is more accurate) it would count as 10,000+ and would include all continents. AND, the majority of which would be Catia V5.

Oh and btw... they all speak-a-metric.

Rich
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  #30  
Old 06-04-2008
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Quote:
Originally Posted by Seahawk View Post
In school we use inventor for some stuff. and for houses and so we use Revit and Viz. anybody completely understand viz?
I used VIZ a little bit in line with Autodesk Architectural Desktop in highschool. I took all 4 years of architectural CAD. We used 2002 then switched to Autodesk my junior year. VIZ is kind of hard on it's own but if you import a 3-D house or building for instance then it's nice. It allows you to apply all kinds of textures and materials, render the view and see how it will look. We had to make walkthrough videos of houses we designed and they came out alright. I agree that Autodesk is definitely great for architecture. Especially doing 3-D homes. I also do drafting at my job using AutoCAD 2006 for mechanical drafting.

Back to the original poster: The drawing looks pretty good for something that was thrown together fairly quickly, could just use a little tweaking. Haha, I got bored at work one day and made a 3-D rendering of a Bogger tire, it didn't come out so well.
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  #31  
Old 06-04-2008
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Rich,

All this you are talking about is very facinating to me. This information may help me down the road in my career. How do you handle parts that need geometric tolerancing for machining? Are you able to do that with just notes on the 3D model? If you have one part that has several different geo tol required, what do you do? I can see how a machine shop could use the 3D model to machine a part, but if it's drawn at say 2" diameter and 6" long with a 3/8" hole in it, how do they know what the tolerances are in all directions? It might have a straightness tolerance, a circularity tolerance, parallelism tolerance, cylindricity tolerance, etc. How can all of that be conveyed with just notes?
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  #32  
Old 06-04-2008
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Originally Posted by sday88 View Post
Rich,

All this you are talking about is very facinating to me. This information may help me down the road in my career. How do you handle parts that need geometric tolerancing for machining? Are you able to do that with just notes on the 3D model? If you have one part that has several different geo tol required, what do you do? I can see how a machine shop could use the 3D model to machine a part, but if it's drawn at say 2" diameter and 6" long with a 3/8" hole in it, how do they know what the tolerances are in all directions? It might have a straightness tolerance, a circularity tolerance, parallelism tolerance, cylindricity tolerance, etc. How can all of that be conveyed with just notes?
I'm not 100% on how everyone does it but here when there are tolerances you add them to the end of the of the dimension. For instance a radius measurement can be 4.75" +.09 and -.09. Just added as a small note after the dimension itself.
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  #33  
Old 06-04-2008
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"GDT" is the answer your asking about.

It's a ASME 1994 standard that is a whole tolerancing system by itself.
I'm sure there are DIN and UN standards too. I know that the ASME standard is a very solid attempt to make tolerancing one language.
Meaning.. it's "American" in nomenclature. But the majority of the callouts are the same in Japan, Germany, USA, ect...

Rich
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  #34  
Old 06-04-2008
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Drawings look good. I'm not gonna sit there and tell you what you do and don't need, you seemed to have gotten a lot of that already from other members and I don't think you were asking for it either! Keep up with CAD my friend! I know you weren't looking for a grade from the RF teachers on here, but apparently you got one. Kinda sad.

Quote:
Originally Posted by lifted97ranger View Post
Your teacher doesn't know how to use the #1 design and drafting software in the WORLD

You are not learning anything. All industry either uses AutoCAD or MicroStation (junk IMO).
You're forgetting about SoldWorks Mo... That's among the top out there with AutoCAD...
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  #35  
Old 06-04-2008
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Here is a quick example of what I'm talking about. I took the light bracket and attached datums, some dimensions, and a positional tolerance to one of the holes.

Rich




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  #36  
Old 06-04-2008
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I wish I had Autocad on my home computer but it is too expensive. I use google sketch-up which is a free program but is basic and limited and very frustrating to work with compared to autocad. Here are two things I drew for fun but not to scale, they are far from finished:
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Sorry to hack the thread, Rich has a good example. Since some of you guys do this for a living: Is it possible to draw a boat propeller on autocad? When I had a cad class I tried it but both the teacher and I found it impossible.

Last edited by leadfoot; 06-04-2008 at 04:04 PM.
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