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Ran the same drill cycle for 3 years before I noticed the chips were packing up
A retired machinist stopped by the shop last Tuesday and asked why I was pecking at .300 when my flutes were loading up halfway through. Switched to a shorter peck depth the next morning and my drill life nearly doubled, so what obvious thing did you figure out way too late?
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shaner5311d ago
Same kind of deal happened to me with a tap. Ran the exact same speeds and feeds for almost four years and just kept breaking taps and blaming the cheap ones I was buying. Old timer watched me for about a minute and said my peck was too deep so the chips had nowhere to go and were getting recut. Dialed it back and started using a spiral flute tap and I bet my tap life tripled overnight. The worst part is I had read the same advice in a handbook like ten times and it never clicked until someone said it to my face. Funny how that works. Now when a tool is acting up the first thing I check is chip clearance instead of messing with speeds.
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