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Burning smell from R-Type Block

Posted: Mon 23 Aug , 2010 16:34 pm
by davidfhu
Hi,

Can anyone explain how come I see smoke from my R-Type Block?

I am using 4 flutes ball nose milling bit at stepover 15% with 23000rpm. What is wrong? With 2 flutes, it is fine.

Re: Burning smell from R-Type Block

Posted: Tue 24 Aug , 2010 10:07 am
by Denford Admin
The machine is not moving quickly enough so the cutting flutes are mostly rubbing against the wood instead of cutting it - causing it to smoke
Either:
Decrease the spindle speed RPM
or
Increase the axis feed (mm/min)

Re: Burning smell from R-Type Block

Posted: Wed 06 Oct , 2010 2:17 am
by davidfhu
Thank you.