Pics with the VFD mounted, and all up and running. I actually produced some
chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg

http://i734.photobucket.com/albums/w...201200/VFD.jpg

--
Greg O

On 2009-12-14, Greg O wrote:
Pics with the VFD mounted, and all up and running. I actually produced some
chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg

http://i734.photobucket.com/albums/w...201200/VFD.jpg


Looks way cool. Where is the switch, though?

i

"Ignoramus15449" wrote in message
...
On 2009-12-14, Greg O wrote:
Pics with the VFD mounted, and all up and running. I actually produced
some
chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg

http://i734.photobucket.com/albums/w...201200/VFD.jpg


Looks way cool. Where is the switch, though?

i

Switch? Switch for what?
I got it set up to run it all through the VFD, and axed the factory on-off
switch. I have forward/reverse, jog, start, and stop. I have the braking set
to one second, which is the lowest setting, so at any speed it will come to
a complete stop in one second, or less. When running the VFD at 30 hertz,
and the variable speed cranked all the way down, about 60 RPM, the spindle
will stop in 1/2 a revolution.
What more do you need?
Greg

On Dec 13, 4:58*pm, "Greg O" wrote:
Pics with the VFD mounted, and all up and running. I actually produced some
chips with it today.

http://i734.photobucket.com/albums/w...tic%201200/VFD...

http://i734.photobucket.com/albums/w...tic%201200/VFD...

--
Greg O

The bins to the left in the picture are empty. What kind of a
metalworker has empty bins?
Paul

" wrote in message
...
On Dec 13, 4:58 pm, "Greg O" wrote:
Pics with the VFD mounted, and all up and running. I actually produced
some
chips with it today.

http://i734.photobucket.com/albums/w...tic%201200/VFD...

http://i734.photobucket.com/albums/w...tic%201200/VFD...

--
Greg O

The bins to the left in the picture are empty. What kind of a
metalworker has empty bins?
Paul

Bolt bins, and they are not empty. They are just not real full, just full
enough!
Greg O

"Greg O" wrote in message
...
Pics with the VFD mounted, and all up and running. I actually produced
some chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg

http://i734.photobucket.com/albums/w...201200/VFD.jpg

--
Greg O


Kool. I mistread it as Problematic drill press. ;)

Greg O wrote:
Pics with the VFD mounted, and all up and running. I actually produced
some chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg


http://i734.photobucket.com/albums/w...201200/VFD.jpg


Nice set-up, seems to be missing the OH-SH(T button though. The one that
you can mash when things go wrong and stop it NOW.

--
Steve W.

"Steve W." wrote in message
...
Greg O wrote:
Pics with the VFD mounted, and all up and running. I actually produced
some chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg


http://i734.photobucket.com/albums/w...201200/VFD.jpg


Nice set-up, seems to be missing the OH-SH(T button though. The one that
you can mash when things go wrong and stop it NOW.

--
Steve W.

The stop button stops the spindle in one second. Fastest braking this VFD
will do.
Good enough "oh ****" button for me.
Greg O

no - that 1 sec "braking" is really a deceleration profile that will power
it for 1 sec on a donward RPM slope - you want the E-stop to cut power to
the motor - every VFD I've ever seen (a few dozen that I've looked at
carefully) had a feature that put it into "neutral" - sometimes you had to
choose but it is always there. Set the "off" switch to "coast" rather than
the decl profile - much safer.

Note that you can have surprises due to too fast decl, such as a screw
mounted thing unscrewing - coast is a much better choice

"Greg O" wrote in message
...

"Steve W." wrote in message
...
Greg O wrote:
Pics with the VFD mounted, and all up and running. I actually produced
some chips with it today.

http://i734.photobucket.com/albums/w...VFDmounted.jpg


http://i734.photobucket.com/albums/w...201200/VFD.jpg


Nice set-up, seems to be missing the OH-SH(T button though. The one that
you can mash when things go wrong and stop it NOW.

--
Steve W.

The stop button stops the spindle in one second. Fastest braking this VFD
will do.
Good enough "oh ****" button for me.
Greg O

On 2009-12-15, Bill Noble wrote:
no - that 1 sec "braking" is really a deceleration profile that will power
it for 1 sec on a donward RPM slope - you want the E-stop to cut power to
the motor - every VFD I've ever seen (a few dozen that I've looked at
carefully) had a feature that put it into "neutral" - sometimes you had to
choose but it is always there. Set the "off" switch to "coast" rather than
the decl profile - much safer.

Note that you can have surprises due to too fast decl, such as a screw
mounted thing unscrewing - coast is a much better choice

You obviously have not tried elecronic deceleration. It may be the
best feature of a VFD on a drill press and other machines.

i

On Tue, 15 Dec 2009 18:08:14 -0600, Ignoramus18922
wrote:

On 2009-12-15, Bill Noble wrote:
no - that 1 sec "braking" is really a deceleration profile that will power
it for 1 sec on a donward RPM slope - you want the E-stop to cut power to
the motor - every VFD I've ever seen (a few dozen that I've looked at
carefully) had a feature that put it into "neutral" - sometimes you had to
choose but it is always there. Set the "off" switch to "coast" rather than
the decl profile - much safer.

Note that you can have surprises due to too fast decl, such as a screw
mounted thing unscrewing - coast is a much better choice

You obviously have not tried elecronic deceleration. It may be the
best feature of a VFD on a drill press and other machines.

i


I concure. There are some issues with power stop and coasting..but
frankly..they are less in number and severity when using power stop.


Gunner


"First Law of Leftist Debate
The more you present a leftist with factual evidence
that is counter to his preconceived world view and the
more difficult it becomes for him to refute it without
losing face the chance of him calling you a racist, bigot,
homophobe approaches infinity.

This is despite the thread you are in having not mentioned
race or sexual preference in any way that is relevant to
the subject." Grey Ghost

"Bill Noble" wrote in message
...
no - that 1 sec "braking" is really a deceleration profile that will power
it for 1 sec on a donward RPM slope - you want the E-stop to cut power to
the motor - every VFD I've ever seen (a few dozen that I've looked at
carefully) had a feature that put it into "neutral" - sometimes you had to
choose but it is always there. Set the "off" switch to "coast" rather
than the decl profile - much safer.

Note that you can have surprises due to too fast decl, such as a screw
mounted thing unscrewing - coast is a much better choice



Stopping too fast on a drill press?? Never heard of such a concept! I would
rather stop right now, than coast to a stop when something goes to hell!
And what is this screw mounted thing you talk of??
Greg O