xray wrote:
On Fri, 02 Dec 2005 11:12:25 -0800, Abrasha wrote:


I want one of these instead:

http://www.lathes.co.uk/boley/page3.html


What is the purpose of the thing (faceplate?) that looks like it has 3
little anvils on it? It is near the front of the case in the first
picture.


This tool is used to clamp part like the "main plate" or a "bridge" of
a pocket watch or wrist watch, so the various cutouts for spring
housings and gears can be bored out. Take a look at the production
process of fine watches at Audemars Piguet at
http://www.audemarspiguet.com/en/man...d_process.html

Under the heading "Finishing", there is a picture that's titled
"Circular graining of a bridge", which shows the cutouts very clearly.

Another image is under the heading "Assembly and Timing", "Assembly the
443 parts" You can clearly see the bored cutouts.

Another operation the tool is used for is shown he
http://watchmaking.csparks.com/IndexPlate.html
http://watchmaking.csparks.com/Drilling.jpg
http://watchmaking.csparks.com/Boring.jpg

Abrasha
http://www.abrasha.com