Will it be strong enough?

Will it be strong enough?

This topic has 10 replies, 7 voices, and was last updated 21 October 2012 at 18:54 by KWIL.

Viewing 11 posts - 1 through 11 (of 11 total)

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20 October 2012 at 21:07 #101461
nigel jones 5
Participant
@nigeljones5
The last 2 inches of my regulater connecting rod are 5/32 square section. I cant make it any bigger or it will foul the valve link arms. Ive only got steel or brass, cant use steel in boiler (wont last long at that thickness) so question is, will brass be strong enough? I inted to fit travel stops on the regulator arm so it wont be possible to put lots of torque into it, I just dont want it twisting/shearing off!!
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20 October 2012 at 21:07 #6395
nigel jones 5
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@nigeljones5
20 October 2012 at 21:31 #101468
FMES
Participant
@fmes
Why not stainless steel?
20 October 2012 at 21:41 #101470
Steambuff
Participant
@steambuff
Since it is inside the boiler I would use either Bronze or Stainless Steel. (Copper is the only other material I would use inside a boiler but is not strong enough in this case)

Dave
21 October 2012 at 01:16 #101480
nigel jones 5
Participant
@nigeljones5
no one makes stainless in this size!
21 October 2012 at 07:45 #101489
JasonB
Moderator
@jasonb
What length do you need? 4mm stainless keysteel is available but in 300mm lengths.

Kwil on here was after some a while ago and I put him onto my local Stainless stockholder but I think he may have had to settle on a 3m length of 5mm in the end.

Can you not mill down the next available size?
21 October 2012 at 08:16 #101492
mick
Participant
@mick65121
Why not use free cutting Bronze, have a word with Viv at Milton Keynes Metals
21 October 2012 at 08:26 #101493
JasonB
Moderator
@jasonb
Just another though what about silver soldering square ends onto a 5/32" round rod?
21 October 2012 at 09:07 #101496
Michael Gilligan
Participant
@michaelgilligan61133
fizzy,

You could comfortably mill, or file, 5/32" square; from a short length of 6mm diameter Stainless.

… That shouldn't be difficult to find.

MichaelG.
21 October 2012 at 18:31 #101558
nigel jones 5
Participant
@nigeljones5
I went down the route of milling a square end on the 1/4 shaft – got a bit of help as my mill is rubbish!
21 October 2012 at 18:54 #101560
KWIL
Participant
@kwil
Yes it was 5mm square stainless. Not really a problem, just mill it down. Had to make some 4mm square brass the other day for a small job, no point in buying it.
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