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The old timer at my shop swore by 0.0002 offset for finishing passes on aluminum
I thought he was crazy because every manual I read said to use 0.001 minimum. Tried it his way on a job last week for a medical part, and that surface finish was the best I've ever gotten. No chatter, no tool marks. Proof that sometimes the guys with 30 years of work know more than the books lol. Anyone else got old timer advice that sounded wrong but worked?
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spencerw721mo ago
Tried that once and ended up with a tool that looked like it had been through a blender. Turns out the old timer was right and I was just bad at math.
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holly_craig1mo agoMost Upvoted
Wait, did you measure twice before cutting or just eyeball it like I did my first time? @spencerw72, I had the exact same disaster with a chisel project. What finally worked for me was taking it super slow and using a piece of scrap wood to test every angle before touching the real piece. I also stopped trying to do everything by hand and let a cheap square do the heavy lifting. Once I stopped fighting the tools and started checking my math twice, everything came out way straighter.
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