Nelson,
I really like the idea of these taps and plan to buy a few.
Thanks!
Rick
Rick.Sparber.org
On Aug 27, 2011, at 11:15 PM, Nelson Collar <nel2lar@yahoo.com> wrote:
> Rick
>
> I think I might just be losing my mind. Took it out and played with it too much. Here is the
>
> address: http://conradhoffman.com/tapping01.htm
>
> Enjoy
>
> Nelson Collar
>
> --- On Fri, 8/26/11, RG Sparber <rgsparber@aol.com> wrote:
>
>
> From: RG Sparber <rgsparber@aol.com>
> Subject: RE: [gingery_machines] Re: new article: A Possible Means of Measuring a Thread's Pitch Diameter
> To: gingery_machines@yahoogroups.com
> Date: Friday, August 26, 2011, 2:47 PM
>
>
>
>
>
>
> Pierre,
>
> Along these same lines, it would be easy to make a set of Go-No go gages.
> Take some bar stock, drill and tap two holes. Drill flanking holes that are
> perpendicular to the tapped holes major axis. Modify these holes so they
> work like a clamp. Then you can set the space between the half nuts.
>
> Rick
>
> -----Original Message-----
> From: gingery_machines@yahoogroups.com
> [mailto:gingery_machines@yahoogroups.com] On Behalf Of Pierre Coueffin
> Sent: Thursday, August 25, 2011 9:52 AM
> To: gingery_machines@yahoogroups.com
> Subject: Re: [gingery_machines] Re: new article: A Possible Means of
> Measuring a Thread's Pitch Diameter
>
> In the kerf where you sawed the nut in half. If you tilt the two
> halves to touch on one side, they should form a gap on the other side
> that is consistent from bolt to bolt, assuming that the bolts are all
> the same size. I think that you could estimate the difference between
> PD of two bolts using the difference in the gap and a bit of
> trigonometry.
>
>
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
>
>
>
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