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  #11  
Old 01-03-2011, 05:16 PM
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Quote:
Originally Posted by Bud View Post
I don't see why we can't see a page
Sorry Bud, had to sneak two in.
There are more patterns, but since Realace is asking about the flat bottom chute, I will only post those pages.
I had to edit them for size, so I'll try it and see how they look.
I can do it again if I have to.
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  #12  
Old 01-03-2011, 05:23 PM
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Second try on fitting s-6
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  #13  
Old 01-04-2011, 12:11 AM
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Quote:
Originally Posted by Dad View Post
Second try on fitting s-6
Hi
This was a hole in one . It solved much of my questions. But after looking at this, it raises a new question in my mind.

1. How do you calculate the bend angel up and down? Do you use trial and error or is it a formula that can explain how to set the angel on up and down bend? (on the kink lines)
2. On the drawing, the chute length, radius and width is equal (4 Ĺ). Is this important, or is it only set like this to make an easy example?

I’m so grateful for your help so far

Best regards, Frode

Last edited by Realace; 01-04-2011 at 12:13 AM. Reason: Some bad english.. coz i'm Norwegian ;)
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  #14  
Old 01-04-2011, 12:32 AM
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Hi

Here is what Iím working on btw. Its a emergency chute outside a kindergarten staircase. Autodesk inventor will not unfold this, so i used Litio3D plug-in in Autocad to get it "unfolded". Sadly this unfolding was not entire correct. After talking to Juan (programmer of Litio3D), he informed me that this shape is impossible to develop perfect to a flat pattern. After looking at your post I understand how to develop the cut parts and hopefully correct the computer unfolding J

Best regards, Frode
Assembly.pdf
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  #15  
Old 01-04-2011, 03:06 PM
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The 4 1/2 inch radius is just an example. Budzik's fittings always have a working drawing like that with measurements.
Maybe it's just for perspective.
Notice how the patterns don't have measurements (chute length, guard width etc.).
That's what I like about Budzik's books; they guide you through the fittings no matter what your dimensions are.
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  #16  
Old 10-29-2013, 03:11 AM
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Default Helix the easy hard way

Here is idea. My experience: folded from paper can be folded in metal.

So here is helix. It has coarse surface in one direction, smooth in other. Advantage: made from flat sheet no waste. Dimension is flexible. Pitch is depends on extension.

I seek opinion. Can this be folded SS sheet?

note: print *.pdf to paper and fold as pictured. This is double helix model of DNA
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