Frame Building
 

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[Closed] Frame Building

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How would one go about factoring in tube distortion before the welding process begins so as not to have to align after the fact thus achieving a super strong frame.

Hope that made sense.


 
Posted : 04/11/2013 10:53 pm
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No mention of what your using

A lot is down to experience


 
Posted : 04/11/2013 11:00 pm
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Appologies. Steel and eventually titanium.


 
Posted : 04/11/2013 11:18 pm
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I mentioned it on your other post you can nip down t motorway if your the lad in wakey and see all this for yourself it might be easier than using tinternet


 
Posted : 04/11/2013 11:26 pm
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A lot is down to the welding or brazing sequence. I have a sequence of brazing a frame that means things balance - it pulls one way then it pulls back again, so it all evens out and doesn't need cold setting afterwards. Most builders have a sequence they use, and most keep it secret 😉


 
Posted : 04/11/2013 11:56 pm
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As a big generalisation, it moves towards the heat. So do that equally and it stays roughly in the middle.

Initially just accept that the first frames won't be perfect. For personal use frames I've never gone near the surface table to check how good / bad things are - I'm more concerned about getting sound joints. If the head tube / seat tube / rear wheel visually line up and the rear wheel sits centrally between both sets of stays then that is good enough to start with. Small tweaks can be made with a file at the dropouts rather than bending the frame (a mm at the axle is quite a lot of movement at the rim).

And go visit Compositepro!


 
Posted : 05/11/2013 7:51 am