MadModder
Gallery, Projects and General => How do I?? => Topic started by: yorkie_chris on March 28, 2011, 05:06:10 PM
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I'm looking to source some aluminium tubing.
Must have a nice finish on OD, be 12mm OD fairly exactly, and have 3mm wall thickness.
Answers on a postcard :)
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Your local metal merchant should be able to source that, but it's going to cost you top dollar...
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I'm looking to source some aluminium tubing.
Must have a nice finish on OD, be 12mm OD fairly exactly, and have 3mm wall thickness.
Answers on a postcard :)
I can find 1/2" x 10SWG ...
http://www.aluminiumwarehouse.co.uk/Aluminium-Round_Tube/c120_131/p17830/Aluminium_Round_Tube_(6063T6)_1/2_in_x_10_swg/product_info.html
So ..... How fairly is your exactly ??
Shipping is horrendous ... but
Tube itself is cheapish ... maybe give some idea ( if you find some in a local stockist ) if it's a rip-off or not ..
Dave BC
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Most extruded tube will be in imperial sizes
Try searching for hollow bar stock
bill
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I'm looking to source some aluminium tubing.
Must have a nice finish on OD, be 12mm OD fairly exactly, and have 3mm wall thickness.
Answers on a postcard :)
I have some fairly short bits (20-50mm) that are 1/2" OD and 1/4" ID. Is that similar to what you are after? My father gave them to me. I can find out where he got them. They have a fairly even matte finish, and I'm pretty sure they're aluminium.
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Aluminium sizes are nominal at best and are not round, vary in diameters from one extrusion to the next.
Add to that unless a special its only in imperial, so well above dia in bore already but could turn o/d down.
What lengths we looking at here? From round, drill and ream?
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Too long to drill and ream, 700mm approx depending on the bike.
It has to slide in a bushing which is fixed into fork internals
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Too long to drill and ream, 700mm approx depending on the bike.
It has to slide in a bushing which is fixed into fork internals
You could drill that deep with a blacksmith's drill + long extension bar - but it'd be a long job (pardon the pun) and very boring (sorry, sorry...).
Could you line bore it? I think that's the only way you'll get decent internal bore accuracy along that sort of length.
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If it's a production job, some kind of gun drill could work.
If my calcs are correct, a solid 12mm bar, 700mm long would weigh about 213.7g (@ 2.7g/cm3). 12mm tube with 3mm wall would be 113.4g.
Could you live with it being 100g heavier, and use a solid bar?