[modeleng] Trepanning(?) copper

From: "Dennis Rayner" <dennis.rayner@xxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Date: Tue, 31 Aug 2004 20:00:00 +0100

Hi all,

    I'm cutting 5+" and 7+" circles out of the front and back smokebox
plates for my Elidir. I'm using my Dore Westbury with a boring head at
lowest geared speed believed to be about 34 rpm.

    A simple question - what top rake should the cutting edge (a miniature
"parting" tool) be? Currently I'm using zero (as per brass) and it don't
seem happy!

Thanks as ever

Dennis

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Follow-Ups:

[modeleng] Re: Trepanning(?) copper
From: Jeff Dayman

[modeleng] Re: Trepanning(?) copper
From: Allen Messer

References:
- [modeleng] Honing/lapping steam cylinders
  - From: Allen Messer
- [modeleng] Modelworks
  - From: alanjstepney
- [modeleng] Stumpyweb updated
  - From: The Sheppard Residence

[modeleng] Trepanning(?) copper

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