Tool offset disaster turned into a win today

I was running a part on our Haas VF-2 and accidentally left the wrong tool offset in for the finish pass. Caught it after the first cut, recalculated on the fly, and the part still came out within .001 of spec by the end of the shift. Have you ever saved a piece that looked doomed halfway through?

3 comments

3 Comments

foster.tessa11d ago

Trusting your gut on the math" is exactly it but people forget the other half is trusting your gut on when to walk away and start over. Sometimes saving a part is more about knowing when it's actually ok to push forward vs just being stubborn.

the_wade11d ago

Oh man, I've been there more times than I care to count... Used to run a VF-3 and one time I rough bored a hole that was .008 undersized. Instead of scrapping it I just grabbed a slightly different size boring bar, broke the edge down, and climbed the finish pass with a lighter cut. Came out within a tenth. The trick is knowing your machine's personality - my old Haas would always push a little heavy on the X if you didn't baby the feed. Sounds like you did the same kind of save, just had to trust your gut on the math and let the machine do the rest. Good stuff.

murray.cora9d ago

Grabbing a different bar and adjusting the feed is exactly how you finesse those saves... you gotta read the cut as it's happening and make tiny moves on the fly. Knowing when to push it and when to back off is just something you develop over time, not something you can plan out on paper. Sounds like you read your machine right and the part cooperated... that's the kind of win that makes the whole day feel better.