bizarre pitch

[Joe And Penny Goss]

oh I see, A good machinest can copy any thread for a price.
Joe Goss RPT
Mother Goose Tools
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Stephen Birkett" <sbirkett@real.uwaterloo.ca>
To: "Pianotech" <pianotech@ptg.org>
Sent: Friday, January 14, 2005 8:28 PM
Subject: Re: bizarre pitch


> >Hi Stephen, The thread ts usually a standard 1/8" pipe thread.
> >  However some tips will not work while others will. The problem is in
the
> >depth of the thread into the tip head. ...
>
> Hi Joe,
>
> It's the shaft/head joint that's the tapered pipe thread. I'm
> wondering about the tip/head joint which is the bizarre non-standard
> thread pitch of 30tpi not tapered.
>
> Stephen
>
>
> -- 
> Dr Stephen Birkett, Associate Professor
> Department of Systems Design Engineering
> University of Waterloo, Waterloo ON Canada N2L 3G1
> Director, Waterloo Piano Systems Group
> Associate Member, Piano Technician's Guild
>
> E3 Room 3158
> tel: 519-888-4567 Ext. 3792
> fax: 519-746-4791
> PianoTech Lab Room E3-3160 Ext. 7115
> mailto: sbirkett[at]real.uwaterloo.ca
> http://real.uwaterloo.ca/~sbirkett
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