How to fabricate a diffuser (conical section)?

How to fabricate a diffuser (conical section)?
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Posted by: cadman ^®

03/03/2005, 12:56:09

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I need to fabricate a conical tube. The inlet diameter is approximately 2 inches; outlet diameter is 4 inches. The half angle should not exceed 3 degrees. This means an overall length around 18 inches. I prefer to use aluminum .06 - .10 inches thick. If there is nothing close I can buy, I was thinking to roll and weld the part. Any suggestions?

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removed zekeman's first answer for him

Re: How to fabricate a diffuser (conical section)? -- cadman Post Reply Top of thread Forum

Posted by: randykimball ^®
Barney
03/07/2005, 21:46:40

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thank you for your post

The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

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Re: conical section

Re: #3375 -- zekeman Post Reply Top of thread Forum

Posted by: zekeman ^®

03/07/2005, 19:07:37

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Correction. Forget my post. It's wrong.
The correct answer is the plane section is developed by starting with a sector of a circle with a wedge angle of 20 degrees and a radius of twice 18 inches or 36 inches. Now truncate the sector by cutting off at a radius of 18 inches.

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removed zekeman's first answer for him
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Re: conical section
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