Andy, Although this is a hydraulic cylinder, this is along the lines of what you described.
On Thu, May 18, 2017 at 19:18 Andy ZL3AG via time-nuts <[email protected]> wrote: > > > Or go for thicker wall aluminium tube, oversized endplates and long bolts > or threaded rods running the entire length down the outside of the tube so > you're clamping both ends in one operation. No tapping required. Simples! > > > > > On 19/05/2017, at 6:16 AM, Tim Shoppa wrote: > > > I bet you went to 0.25" wall square tubing only because you want to tap > the > > walls for 4-40. Alternative designs can let you use much thinner material > > and a very different flange on the ends, but the costs will likely move > > towards welding/brazing rather than machining. > > > > Tim N3QE > > > > On Thu, May 18, 2017 at 12:54 PM, <[email protected]> wrote: > > > >> Hi, > >> > >> I have a square aluminum tube 5" X 5" with a .25" wall it's 8 1/2" long. > >> > >> I need 20 holes in each end tapped for 4/40 and 1/2" deep. > >> > >> This is for a Rubidium project. > >> > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- Ken WA2LBI Sent from one of my mobile devices
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