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PSA: started touching off with a piece of paper instead of eyeballing it
For years I brought the tool down slow and watched the gap, and I was off by a few thousandths every time. About 4 months ago a guy running a VF-2 in Fort Worth told me to slide a strip of notebook paper under the tool and creep down until it grabs, then set my offset there. The paper is about .003 thick so I just subtract that and I'm dead on, and I haven't nicked a part on a setup since. Anyone got a better feeler trick for small end mills, or is paper pretty much the standard?
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abby_martin283d ago
How many of you have had that "why didn't anyone tell me sooner" moment with this stuff? Man I feel your pain on the eyeballing struggle, I wasted way too many setups thinking I had a good eye when I really didn't. Paper works great for the bigger tools but on tiny end mills it can be a real pain since the paper wants to push the flutes around before it grabs. For small stuff I've had better luck with a rolling paper or a zigzag feeler since you can feel the drag way lighter than with notebook paper. Honestly though the fact that you haven't nicked a part in 4 months says plenty, if it's working don't fix it.
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