OK...I am new here......and usually work with Big Machines......but my question is related to the Hobby Machine I am playing with.....( TownLabs TL518)

I have a great CAD program for doing complex Surfaces....( Rhino )
I have a great CAM system for doing toolpath generation...( Madcam plugin for RHINO)
Simulation in MADCAM tells me I have a 50 min cycle time for Z level roughing.....( GREAT!)

Code output from Post processor is ok ( lots of X movements {with no other AXIS changes} written as a bunch of small steps....uuugh)

ACTUAL RUN TIME ( even using G00 command lines)........over 8 hrs.......

BOTTOM LINE.....THE THING IS JUST BARELY MOVING!!!!

What is creating this problem???

My Guess.....

the small steps do not allow the ACCEL/DECEL curve of the drives to be over written in the smoothing algorithm....hence even though my feedrate is set to 2000mm/min, actual traverse is more like 100mm/min...

How do I overcome this??

Play with motor tuning?

Any help appreciated!

Sam

Make sure you're in CV mode (G64).

G64 has no effect.

Does anyone have some ideas on how to make this thing hum?......

Please Help!

ShoeSam

Code output from Post processor is ok ( lots of X movements {with no other AXIS changes} written as a bunch of small steps....uuugh)

If your CAM is doing that then I would complain to the CAM vendor, no point in having lots of small X only moves when a single line would do.

Setting a larger lookahead may help but if the code is crap the results will be likewise.
Hood

What are your accel and velocity settings in motor tuning?

Any chance the FRO is set very low?

I think it will also depend on how vectors are draw.

In Vcarve, if I do not join vector, gcode output is also made of a series of small line of code with a z move between each each.

This is something you could look at too.


Jeff