Re: re:Automated "Manual CNC"

> Not sure what you're hoping to gain here. You'll go 90percent of

the

> way to cnc, but without getting the benefits?!

Aren't I only missing the speed of part creation?
The end result should be the same and the effort producing the part
is still being handled by the machine. Sure it's not as elegant as
CNC, but wouldn't it get the job done accurately? Actually, wouldn't
it be better than open loop and ball screws with respect to accuracy?

> It would appear the motivation is to avoid retrofit of screws and
> motors. Screws you don't hafta change(just be willing to accept

their

> limitations, which you've already done with your proposal), motors
> are easy and cheap.

The only limitation I have accepted is of speed, unless there is
someting I am missing. Accuracy is right on due to measuring actual
table movement and not lead screw rotation. What software supports
closed loop feedback from the table and not just open loop step
movements? I could spring for motors and drivers and build an
interface for my scales to the driver, if I could find software that
could use closed loop feedback from the table.

> Have I convinced you yet? :-)

I still need a little more convincing. . . ;)

BTW, what is the easiest way to output XYZ coordinates in the correct
sequence using tool compensation with a CAD package? I thought this
would be a job for a CNC program like MasterCAM. What programs can do
this?