Quote:
Originally Posted by dad911
The trick to drilling is you need to adjust speed and force so the bit is always cutting(making chips). When its spinning on top you are just making it dull and generating heat. Cutting fluid/lubricant for cooling.
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hard materials (steel) low speed high feed...
Soft materials (alum) high speed low feed.
I get it to make curly shavings, perfect.
rjp