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A cylindrical probe which will take more accurate hits on thread holes.

That's the email I got upon entering the shop today. I was using a 1 x 10 styli for a part with 3-48 & 6-32 threaded holes. Just trying to get a decent location within tolerance of +/- .005. Now, the customer (we are the sub-contractor) is "coming in today with a cylindrical probe which will take more accurate hits on thread holes". I checked some of the postings in the forum and it looks like there's a lot involved and the results are sketchy.
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  • BTW, don't make the typical "rookie mistake" and enter the pitch in backwards. Always remember the Right-Hand Rule: With your right hand thumb pointing in the POSITIVE direction of the Z-axis (or whichever is your axial direction), a POSITIVE rotation follows in the direction that your other 4 fingers are pointing. I've seen more programs with the pitch entered backwards than ANY other common CMM programming error...


    Like I said - I check visually on the path lines, and watch as it executes just to make sure.
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  • BTW, don't make the typical "rookie mistake" and enter the pitch in backwards. Always remember the Right-Hand Rule: With your right hand thumb pointing in the POSITIVE direction of the Z-axis (or whichever is your axial direction), a POSITIVE rotation follows in the direction that your other 4 fingers are pointing. I've seen more programs with the pitch entered backwards than ANY other common CMM programming error...


    Like I said - I check visually on the path lines, and watch as it executes just to make sure.
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