As with most things in the real world, it just isn't critical that the tool
be perfectly oriented for every cut. On a manual lathe you are always
confronted with a cutting operation that requires another tool, but are too
lazy to change and you just cut it with the other tool instead. Boring
tools used to take a facing cut after you finish the hole is an example.
Daniel J. Statman, Statman Designs
www.statmandesigns.com
dan.statman@...
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----- Original Message -----
From: "Chris and Dee" <brunoblazer@...>
To: <CAD_CAM_EDM_DRO@...>
Sent: Wednesday, October 23, 2002 4:52 PM
Subject: [CAD_CAM_EDM_DRO] CNC on a lathe
Another question for everybody. And for this question I need to
clarify that I'm NOT a machining wiz - in fact I don't even have my
own lathe yet.
If a lathe is converted to CNC, I thought that it would make
machining complex tapers and rounds or spheres much easier. But as I
looked at the current manual devices that cut these shapes - say the
spherical ends - the cutter rotates with the device. Which seems to
make sense because then your cutters' angles are always 'correct' in
respect to the tangency of your cut surface.
For a CNC lathe, how do you go about cutting a spherical end without
changing tool bits?
If this is a stupid question, I do apologize.
-Chris
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