Re: Which motor type

Pretty cool vid, Gerry. Nothing wrong with using steppers if you keep
things within the torque range.

The max 1500 spindle speed is going to hinder you...start working on
finding another motor that goes up to at least 3500 RPM. Your cutting
speed is limited right now by the spindle RPM. You can sometimes
cheat with multi-fluted tools to get the chipload in the right range.

Google Chipload and read about it.

-Brady

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "kmslinda" <gerry@z...> wrote:
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "cnc_4_me" <cnc4me@g...>
> wrote:
> >
> > >
> > > I disagree about not using steppers. I converted a Wholesale
Tool
> > > ZX7045 using nema 34 steppers for all 3 axis. Check it out @
> > > http://www.geocities.com/wuksta/ZX7045.html
> >
> > Cam you list your stepper mfg, part number, and specs. And do
you
> > have a link for the stepper curves.
> >
> > What about real world performance, your video says cutting
aluminum
> > at 40 ipm but i can't see anything actually being cut...How heavy
> of
> > cut can you take in aluminum at 40 ipm...What are your rapids IPM.
> >
> > Wally
>
>
> The steppers are IH34014 which I purchased from Dan Mauch @
> Camtronics. You can find the specs @ http://www.mcg-
net.com/index.php
>
> The program you see in the video is the first program I used to
> test the machine. I actual did mill a 3" dia hole through a 1/4
> inch piece of 6060-T6 aluminum. The hole was milled in two passes
> with a 1/2" 4 flute center cutting end mill @1500 RPM (max speed for
> ZX7045). The hole was cut @ 40 ipm, the plunge rate was 5 ipm.
>
> The machine rapids @ 125 ipm in all axis.
>
> Gerry