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  1. #11
    Quantum Mechanic ReMark's Avatar
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    No, I did not include a bend. It was strictly a hack job.

    3d_LongBracketBend.jpg
    Is this what you were referring to?
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  2. #12
    Luminous Being JD Mather's Avatar
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    Yes, that is what I was referring to, but it looks like the bend radii are incorrect (hard to tell from picture), it looks like the material is thicker at bend. (see end, or particularly at the punched hole) Could be optical illusion. I answer a lot of sheet metal questions where this is a common mistake - thus I must give you a hard time about it....
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  3. #13
    Super Moderator Tiger's Avatar
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    Since the OP asked about how to draw lines at the start, I don't think the correct radii to get the piece made is the top of his worries...
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  4. #14
    Quantum Mechanic ReMark's Avatar
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    I fully admit to the fact that what I did, as far as anyone with any real knowledge of sheetmetal fabrication goes, was entirely a hack job and should not be mistaken for the definitive method of modeling the bracket. The model was strictly for demonstration purposes only. No offense to those of you with the knowledge I lack and no offense taken on my part. I would like to learn more about sheetmetal fabrication techniques and the proper way of detailing such but I've got limited time and my current job does not require that particular set of skills. We all good?
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  5. #15
    Luminous Being Dadgad's Avatar
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    Quote Originally Posted by ReMark View Post
    I fully admit to the fact that what I did, as far as anyone with any real knowledge of sheetmetal fabrication goes, was entirely a hack job and should not be mistaken for the definitive method of modeling the bracket. The model was strictly for demonstration purposes only. No offense to those of you with the knowledge I lack and no offense taken on my part. I would like to learn more about sheetmetal fabrication techniques and the proper way of detailing such but I've got limited time and my current job does not require that particular set of skills. We all good?
    Well as long as you're DRAWING something!

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  6. #16
    Quantum Mechanic ReMark's Avatar
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    stef_r: A quick bracket created using a profile of the shape and the PRESSPULL command. Holes and slots can be punched through afterwards using the same command.

    3D_QuickBracket.jpg
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  7. #17
    Luminous Being JD Mather's Avatar
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    Profile does not look uniform thickness.
    The outside radius should be = inside radius + thickness.
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  8. #18
    Quantum Mechanic ReMark's Avatar
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    Well it's no rough draft. Perhaps it is the angle. I verified that the profile did indeed exhibit a uniform thickness (.09375). For the posted example the inside radius was .0625 and the outside radius was .15625. And yes, I know, the thickness is probably way too much for sheet metal but once again the purpose of the exercise was to demonstrate a method for modeling a simple bracket using a profile.

    If I had know I was being graded today I would have brought a sharper pencil. LoL

    I need to come up with a disclaimer. Objects shown are in no way representative of the real world. View at your own risk.
    Last edited by ReMark; 5th Jul 2012 at 04:12 pm.
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  9. #19
    Full Member stef_r's Avatar
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    Well, I'm impressed by the information and answers I get from all of you here!
    I have posted onto some other fora but after a few days still no answers.
    So as Tiger mentioned in his first post to me, "you have signed up to the best (*polishes nails on shirt and looks at them*) cad-forum there is" is really true!

    I see I have a lot to learn, from AutoCAD and of the specific details about handling (sheet)metal since I'm from school more a 'electric' person than a 'mechanical' person.

    But if I begin to draw (2D) how do I let AutoCAD know wich view I'm working on, or is this a stupid question?
    I mean like if I draw the side of the bracket, I draw a L shape desing.
    When I then use the construction lines to draw the front view, I think I have to draw everything myself because autoCAD doesn't draw the view itself right?

    BTW, I don't think that modeling in 3D and than convert it to 2D will work for me because my lack of skills.
    And since I have a few other brackets to draw later, I sure want to be a small expert in AutoCAD within a year or so...
    (Or am I to confident about that??? ha ha ha)

  10. #20
    Quantum Mechanic ReMark's Avatar
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    Drawing in 2D using AutoCAD would be like drawing in 2D on a piece of paper. Do you tell the paper which view you are working on? It's a flat, flat, flat world my friend.

    You are familiar with orthographic projection are you not? You know, creating top, front and side views of an object? Basic drafting skills.
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