+++TITANIUM+++

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widow_twanky
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Post by widow_twanky »

Pete,

Not sure why but I have always found that 275rpm seems to work very well (mainly because it's the slowest my pillar drill will go :D

I never really found that cobalt drill have an issue with going through ti but breaking out through the other side is a different issue.

Maybe it's the 10mm holes i've been doing in 4mm ti that causes it but i have found that the drilling part is quite easy intil the point of the drill breaks through and then it can have a tendancy to snatch on the burrs on the edge of the hole. When this happens I found it's best to give up on the slow speeds cos the burrs just need to be ripped off so running it at full speed helps it break through.

Andy
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petec
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Post by petec »

Andrew_Hibberd wrote:A really nice piece of work with the Ti. Just out of interest has anyone tried bending 2mm Lexan or HDPE, either hot (oven or line bender) or cold?
When I was doing heavyweights, I used to bend polycarb (Lexan) a lot. The tricky bit is to heat it slowly. If you get bubbles, it will be brittle when it goes cold. You have to heat slowly and gently - a slow oven over a wood former is good for ants.

Re: Ti bending, I did the bends for Terrior and it was quite hard - partly because it was winter - the difficult part is keeping it at cherry red while making the bend and then gradually reducing the heat. I did make a severe bend at the hinge, which broke and I had to do it again...so the flipper is actually shorter than I planned.

Thinking of using Ti for new Pants, so if anyone has any ideas of sources....
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razerdave
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Post by razerdave »

I'm not sure on a source for thin stuff, however you may want to ask Simon, he had a sizeable sheet of 0.5mm Ti, and I still have a sheet of the Grade 5 1mm stuff, and some 1.2mm unknown grade that I got given by Craig from The Saint (HW axlebot), his son Zak had a Pants kit robot thats bright orange and he called it Smarty Pants :)
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petec
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Post by petec »

Smarty Pants - why didn't I think of that one!? It should really be lots of primary coloured dots of course. (Ok, yes and secondary for the pedants amongst you!)
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Jonny
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Post by Jonny »

does anyone have any titanium they could sell me (preferably 0.4mm-1.2mm thickness) i have been checking ebay but can't find any thicker than 0.25mm on buy it now.
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BeligerAnt
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Post by BeligerAnt »

I noticed the other day that Blacks (camping/outdoor pursuits shop) sell titanium tent pegs, some made from angle plate, others made from wire/rod.

May be of use to someone...

http://www.blacks.co.uk/product/094735/ ... ute=165468
http://www.blacks.co.uk/product/095883/ ... ute=168869

(I'm sure they were cheaper in-store)
Gary, Team BeligerAnt
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Viper
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Post by Viper »

Found this the other day. May be a more reliable supply than Ebay.

325mm X 120mm X 1mm.

It doesn't say what grade it is but if it's for car mods presumably it isn't grade 5! They also have rod on the site.

http://www.quality-tuning.com/spare-par ... rrency=GBP
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peterwaller
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Post by peterwaller »

Just looking on ebay and there are quite a few bits of titanium there mostly from the Isle of Wight.
Search Titanium Sheet.
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Jonny
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Post by Jonny »

might shove my titanium on there soon
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Team Orr
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Post by Team Orr »

peterwaller wrote: mostly from the Isle of Wight.
what! why was i not informed of this! :roll:

lol, anyway, good find dude ^^
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