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Why does nobody talk about setting the tool offset before the work offset?

I see new guys at my shop in Dayton mess this up every single week. They set the work offset first, then try to set the tool length, and it throws the whole program off by a few thou. I learned the hard way six months ago when I scrapped a $500 aluminum block. The machine needs to know where the tip of the tool is in relation to the spindle before it knows where the part is. I always home the machine, set all my tool lengths with the offset page, and only then do I touch off my part for the work offset. It sounds simple but it fixes so many weird depth issues. Has anyone else found a different order that works better for them?
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2 Comments
the_tara
the_tara2d ago
Feel your pain, scrapped a part the same way last month.
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jenny_sullivan97
Set tools first, always.
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