On 08/07/2018 09:17 PM, Brent Loschen wrote:
And now for my question. The old Bridgeport had a button
on the front panel titled "No Z" that turned off all z
motion and let me "air mill" a part as a sanity check of
my X & Y boundaries/fixtures. I can't find the equivalent
functionality in LCNC and was wondering if anyone here has
done this, or knows the best way to implement it. (the
LCNC display certainly shows the part and the toolpath,
but for me, it's so much better to see the part actually
move under a motionless cutter) Ideally, I would like to
have a button in AXIS that performs that task much as it
did on the original Bridgeport control.
The easiest cheat for this is to just set the Z zero well
above the part, and maybe pull the circuit breaker for the
VFD. Then, you can run the program, and the empty spindle
(or tool) will coast clear of the part, vise, etc.
When I was first setting up my CNC machine, I made a
spring-loaded ballpoint pen holder that fit in a 1/2"
collet. Assuming no big Z moves, you could tape paper to a
sheet of material in the vise and draw the toolpath. This
was very instructive when first figuring out how to do
cutter radius offsets and things like that.
Jon
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