RE: [CAD_CAM_EDM_DRO] cnc plasma gizmo

Maybe what the solution is then, is to simply make it 4-axis, and have a
small stepper/servo control for tilting it. Then you'd just setup your
G-code output from your program that generates the output files to put
the tilt in beforehand. i.e> tilt 45 degrees, move X amount at certain
slow feed rate, then tilt to 90.

And then you could bevel what you wanted at will, too. :)




-----Original Message-----
From: Jens Swales [mailto:jipeess2000@...]
Sent: 29 June 2004 20:21
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] cnc plasma gizmo


hi all

im just about to build a prototype from scratch and still have some
time (and money) left to optimize a little here and there. as i
understand, piercing seems to be what kills the tips in the long run.
wouldnt it be neat to have the torch attached to some sort of device,
pneumatic, electromagnetic or whatever, that tilts the torch a few
degs, just enough to avoid the splattering getting straight into the
tip and then let the arc-good signal, activate the tilting thing to
straighten up the torch for the proceeding cut...

ive seen some cnc flame torches mounted on a similar device for
making bevel cuts though, so this is maybee just like re-inventing
the wheel.

js



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