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Discussion Forum

Re: Drill Doctor

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Author  [Modern View]

10-22-2012 17:52:56

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Wow, did you get on google and search machinist tools or what. Sorry I didn't refer to my DIGITAL CALIPERS as such! wow. And PIN GAUGES, I said gauge pins (which is what we call them, big deal). And yes I guess we/I do have a calibrated eye ball. I don't use a drill gauge or anything else, I just take it to the grinder and it works every time. We have other methods of making sure these holes are accurate such as an Altismo, and and CMM. So I'm pretty sure they are as described.
And I guess you must have misunderstood my part of, if I'm drilling a hole say into a 2" or 4" or whatever thickness part, I'll drill it down a ways (0.075 is what I said, but its just drilling a little then stopping) and then I check the size. I do this, so that if the bit is drilling much too large, the part isn't scrapped when you drill clear through it and realize you overdrilled the hole.
Maybe you aren't using a mill to drill holes, maybe an old drill press. I'm just stating where I'm coming from, and how we do it. There's no need for a (just a guess) $500 drill doctor, when you can learn to do it by hand, and by hand work just as well (there's my point----not that the drill dr is crap).

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