Tuning pin drilling?

Ron Nossaman rnossaman at cox.net
Wed Sep 5 22:16:43 MDT 2007


> <What pins are you using, that you get that much variation?
> 
> Denro nickel and blued.  What do you use, and how much variation do you get.
> These Denros are inconsistent top to bottom as well.

I use the Denro blued. Since I started using the composite 
block, I haven't bothered micing pins, and the torque 
uniformity is the best I've ever gotten.


> <Since I started using the 9mm Delignit capped maple multilam composite, I get higher final 
> <torque with the 6.8mm second pass than I did with Delignit.  
> <The bit mic's the same, so it's not wearing down smaller, 
> <otherwise I don't know why that is.
> <Ron N
> 
> That's interesting.  Counterintuitive, but consistent...something secret is going on the 
> hole.  I wonder if the .282 pins are large enough that they are shearing fibres as they go 
> in, while the lighter pins are compressing fibres. 

No clue, but I'll take it.
Ron N


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