Machining Ti advice

choppstar10 · Feb 4, 2009

Just bought Ti stem bolt and i think it needs a bit of modding to fit, which is no probs but just after turning advice.

Can I use HSS cutting tools and dies?? or do I need somthing harder?? speeds or tips would be usefull.

Cheers.

Grannygrinder · Feb 4, 2009

Hard.

I tried drilling 5mm ti sheet once. Only a 6mm hole, so i drilled a 3mm pilot hole which took 3 hss bits, then a further 2 bits to open it out to 6mm.
It depends a lot what grade it is. Would it not be cheaper/simpler to buy the right bolt?

choppstar10 · Feb 4, 2009

Not really, I have some carbide tooling steel, and quite like a bit of a challenge.

Just after some engineering advice.

dyna-ti · Feb 4, 2009

Try here

http://www.timet.com/fab-p18.htm

choppstar10 · Feb 4, 2009

Ah its ok, just had a lightbulb light above my head moment, problem solved. Cheers anyway!! :idea: :idea: :idea: :idea: :idea: :idea: :idea: :idea:

Iwasgoodonce · Feb 4, 2009

I hope it was one of the newer low energy bulbs. Sort of a good idea coming on slowly moment.

elite504 · Feb 6, 2009

Trust you're sorted with feeds and speeds. . .
But just for info, Ti has a crazy low thermal conductivity, so heat doesn't bleed out into the job very well. Use LOADS of coolant, or run an airlineto the cutting tip, else the tip and flutes burn out vary quick. For turning, carbide helps 500%

Machining Ti advice

choppstar10

Dirt Disciple

Grannygrinder

choppstar10

Dirt Disciple

dyna-ti

choppstar10

Dirt Disciple

Iwasgoodonce

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elite504

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