Subject: twisting tube

From: [email-masked]
Date: Thu, 29 Feb 1996 14:32:24 -0500

I have been trying to twist some square tubing but it keeps collapsing.
The tube is 1" square with a wall thickness of about 1/16". I want to end
up with a 20" piece with about a 7" one revolution twist.
                                                        Thanks for any help.
                                                          Bob Schade

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From: "Joe B. McGlynn (415) 855-5707" <[email-masked]>
Date: Thu, 29 Feb 1996 14:00:39 -0800 (PST)

You might try packing the tube with dry sand and plugging the ends before
twisting.  You could work it hot.  I would suspect that it will still want to
collapse some though.

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From: Tom Vincent <[email-masked]>
Date: Thu, 29 Feb 1996 17:34:41 -0600 (CST)

Sand works well for round tubing, has anyone tried it on square?