- 1. [Amps] Bend allowance (score: 1)
- Author: N7KA@comcast.net
- Date: Thu, 04 Aug 2005 03:17:38 +0000
- Someone asked about bend allowance for sheet metal. If needed contact me off line as I have info needed to do calcs from work. We de do a LOT of sheet metal fab work and forming is ongoing continuous
- /archives//html/Amps/2005-08/msg00075.html (6,295 bytes)
- 2. Re: [Amps] Bend allowance (score: 1)
- Author: Ian White G/GM3SEK <g3sek@ifwtech.co.uk>
- Date: Thu, 4 Aug 2005 08:11:19 +0100
- Staying on-line... what's the trick to prevent alumin(i)um from splitting on the outside edge of a bend where it is stretched? -- 73 from Ian G/GM3SEK 'In Practice' columnist for RadCom (RSGB) http:/
- /archives//html/Amps/2005-08/msg00080.html (7,520 bytes)
- 3. Re: [Amps] Bend allowance (score: 1)
- Author: "Will Matney" <craxd1@verizon.net>
- Date: Thu, 04 Aug 2005 03:34:12 -0400
- Ian, You can use a radius inside bend instead of a sharp 90, use a soft aluminum, or use a bottoming die which holds pressure on the outside. The bottoming die wont do you any good though on a pan/bo
- /archives//html/Amps/2005-08/msg00081.html (8,447 bytes)
- 4. Re: [Amps] Bend allowance (score: 1)
- Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
- Date: Thu, 4 Aug 2005 10:42:52 +0200 (CEST)
- Ian asked: As Will said, use a softer aluminium. Or heat treat what you have. Problem is that that heat treating aluminium is a pretty specialist subject needing good heat control. However, I have su
- /archives//html/Amps/2005-08/msg00083.html (8,159 bytes)
- 5. Re: [Amps] Bend allowance (score: 1)
- Author: W0UN -- John Brosnahan <shr@swtexas.net>
- Date: Thu, 04 Aug 2005 08:01:28 -0500
- Interesting comment about using soap for heat treating aluminum. I have found one part of the "equation" for bending aluminum is the AGE of the aluminum. Aluminum alloys (in some cases) are aged or a
- /archives//html/Amps/2005-08/msg00093.html (8,491 bytes)
- 6. Re: [Amps] Bend allowance (score: 1)
- Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
- Date: Thu, 4 Aug 2005 17:39:31 +0200 (CEST)
- W0UN commented on aluminium characteristics changing with age. Very true. Generally, I find a bit of the heat treatment works anyway. 73 Peter GW3RZP/P _______________________________________________
- /archives//html/Amps/2005-08/msg00097.html (7,552 bytes)
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