The 'measure twice' crowd is why half the new hires can't hold tolerance

Miles Burns · 2026-10-17T17:25:03.762655+00:00

Had a 20 year old kid on the mill last month who spent 40 minutes re-checking a 2 inch bore with three different mics before he'd hit cycle start. I finally walked over and checked his setup myself, dead nuts on, and he still stood there sweating. Here's what bugs me: the old heads screaming 'measure twice cut once' at every new guy are training them to be scared of the machine instead of learning its real feel. If you can't tell a bad cut from the sound and the chips by month three, all the calipers in the world won't save you. How do you get a green operator to trust the machine instead of freezing up on every part?

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The 'measure twice' crowd is why half the new hires can't hold tolerance | CNC Operators - Thought Shares