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Author: art2000
Time: 03/28/00 07:39 PST
This is a reply to message no. 884 by jaladr
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Current Topic:
welded pipe elbows, formula for cutting profile
I've got a couple of questions.

1. Are you going make the pieces of the elbow joint from flat steel that you will cut out, roll it to make it round,and weld the seam? After which you will then weld the pieces together?

or:

2. Do you already have some pipe and you want to cut pieces out of the that pipe to use to make the elbow joint?

3. Do you have any computer Computer Aided Drafting (CAD) programs? Like AutoCAD or some other program.

4. Do you have calculators?

or:

5. Do you plan to draw by development techniques the shapes that you need for the elbows?

If you plan to use pipe that you already have to make the elbows then all you have to do is make straight cuts through the pipe at certain certain angles.  The angle of the cuts will depend on the radius of the bend, the angle of the bend, and the number of bends. The solution for the length of each pieces and the angles that you need to make will be simple trigonomety problems.
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