ChooChooMike
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- Joined
- Jan 5, 2008
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More of a newbie question, but that's why we're here !!
I've used carbide bits on the lathe on aluminum without any kind of cutting/lubrication oil. Now I'm trying that on (probably plain old) steel. Should I be using any kind of lube/cutting oil on the lathe bit ?
I successfully turned a 1-1/2" bar down to 1" w/o any kind of oil, thinking I don't need it per my very limited prior experience. Of course the steel and resulting chips were quite hot on my Sherline, taking 0.005 - 0.010 passes (1/4" lathe bit, carbide insert). Got a decent finish, but with some tooling marks, think the insert may need to be replaced. Nothing that a little sandpaper or light filing won't take care of.
Ditto question for end mills.
Thanks,
Mike
I've used carbide bits on the lathe on aluminum without any kind of cutting/lubrication oil. Now I'm trying that on (probably plain old) steel. Should I be using any kind of lube/cutting oil on the lathe bit ?
I successfully turned a 1-1/2" bar down to 1" w/o any kind of oil, thinking I don't need it per my very limited prior experience. Of course the steel and resulting chips were quite hot on my Sherline, taking 0.005 - 0.010 passes (1/4" lathe bit, carbide insert). Got a decent finish, but with some tooling marks, think the insert may need to be replaced. Nothing that a little sandpaper or light filing won't take care of.
Ditto question for end mills.
Thanks,
Mike