[modeleng] Re: A level lathe
- From: David Everett <deverett2003@xxxxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Thu, 7 Jul 2011 21:47:23 +0100 (BST)
Entirely agree, Alan. It is the lack of twist in the bed that matters so that
the lathe turns parallel.
Dave
The Emerald Isle
--- On Thu, 7/7/11, Alan Stepney <alan@xxxxxxxxxxxxxxxx> wrote:
From: Alan Stepney <alan@xxxxxxxxxxxxxxxx>
Subject: [modeleng] A level lathe
To: modeleng@xxxxxxxxxxxxx
Date: Thursday, 7 July, 2011, 20:43
I am sure we have all seen lengthy discussions on the best way to ensure
that a lathe is level.
Why?
I dont believe that they need to be level at all.
I have a lathe that came off a Royal Navy Cruiser, and the one thing I can
guarantee is that, at times, the sea isnt level!
The main thing is to ensure that the bed is not twisted in any way, and the
headstock and tailstock in line, whether or not that line is level with the
surface of the earth or not, makes no difference.
If it did, vertical borers etc wouldnt work. Or rather, wouldnt give
accurate results, which they do.
The same would apply to face milling or fly cutting with a vetical mill.
Does anyone agree or disagree with me?
Alan
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