Re: [Emc-users] VFS-11 modbus driver

[Thaddeus Waldner]

On Jan 28, 2019, at 5:31 PM, andy pugh  wrote:

On Mon, 28 Jan 2019 at 21:59, Thaddeus Waldner  wrote:


I have a small machine with spindle motor driven by a Toshiba VFS-11 vfd.
... . Can someone direct me to a list of instructions on how to get it set
up that way?


The manual page is here:
http://linuxcnc.org/docs/2.7/html/man/man1/vfs11_vfd.1.html

Are you familiar enough with LinuxCNC HAL for that to be enough? (I suspect
not, but would hate to appear patronizing)

Don’t worry about appearing too helpful; I will need all the help I can get. I 
might be able to figure out how to implement the HAL component from the manual 
page once I get the actual hardware in place.

What I do need help with first understanding is what hardware I need to make it 
work. I have the machine up and running on a MESA 7i96. I also plan to add a 
control panel with the MESA 7i73 pendant card. I mention this because as far as 
I know the pendant card connects via the one serial port on the 7i96.

As I understand it, I need a RS485 port. Is it reasonably possible to add a 
second serial port on some of the unused I/O pins to the MESA card? Would I be 
better served buying a usb-RS485 adapter?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for the especial use of mechanical geniuses, daredevils and lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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Re: [Emc-users] VFS-11 modbus driver

[andy pugh]

On Mon, 28 Jan 2019 at 21:59, Thaddeus Waldner  wrote:

>
> I have a small machine with spindle motor driven by a Toshiba VFS-11 vfd.
> ... . Can someone direct me to a list of instructions on how to get it set
> up that way?
>

The manual page is here:
http://linuxcnc.org/docs/2.7/html/man/man1/vfs11_vfd.1.html

Are you familiar enough with LinuxCNC HAL for that to be enough? (I suspect
not, but would hate to appear patronizing)


-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for the especial use of mechanical geniuses, daredevils and lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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[Emc-users] VFS-11 modbus driver

[Thaddeus Waldner]

Hi,

I have a small machine with spindle motor driven by a Toshiba VFS-11 vfd. I 
currently have a forward and reverse signal controlling the drive but I need to 
be able to control the speed. From what I’ve seen, this drive connects 
digitally via the modus protocol, and someone actually wrote a driver for this 
drive for LinuxCNC. Can someone direct me to a list of instructions on how to 
get it set up that way?

Thanks,
Thaddeus Waldner

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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[Gene Heskett]

On Monday 28 January 2019 14:14:06 andy pugh wrote:

> On Mon, 28 Jan 2019 at 17:18, Jon Elson 
> wrote:
>
> I didn't quite understand this description,
>
>
> Here is a picture.
> Note that the cross feed handle has two sets of dovetails, one above
> the handle and one below.
> https://www.flickr.com/photos/80180751@N02/31932638307
>
> So the entire feed handle moves in and out with the taper turning
> slide and then the cross-slide moves on top of that.

Thats neat, and likely a heck of a lot more serviceable than the sheldon 
jury rigged setup. I like!

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 



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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[Gene Heskett]

On Monday 28 January 2019 12:17:03 Jon Elson wrote:

> On 01/28/2019 04:28 AM, andy pugh wrote:
> > One oddity from Holbrook that I have not seen elsewhere
> > (and isn't actually a feature of the H17 in the original
> > advert) is a double dovetail on the cross slide. There is
> > a part rather like a butterfly shape, fitting into a
> > female dovetail in the saddle and another female dovetail
> > in the cross slide. The cross slide nut is mounted in this
> > dovetail, and normally it is rigidly bolted to the saddle
> > by a conical bolt. But you can move that conical bolt to
> > the taper-turning slide, and then you have completely
> > independent taper and cross slide motion. (with typical
> > taper-turning systems you have to use the compound slide
> > to adjust the cut)
> > http://www.lathes.co.uk/holbrook-B-13-71-21/ It is curious
> > that the Sheldon R series is absent from lathes.co.uk, but
> > then so is the Holbrook H series.
>
> I didn't quite understand this description, but if you have
> a taper attachment on the Sheldon R-series, it is a
> "telescopic" taper attachment.  So, the crossfeed screw ADDS
> an adjustment to the taper attachment.  I think this is what
> you might be referring to.  I think a number of larger
> toolroom lathes have this feature.  I think on the Sheldon,
> you just turn two handles to switch how the nuts are
> clamped, you don't have to move a bolt.  (Wish I had the
> taper attachment on my lathe!  I could probably build one,
> but I haven't because I might CNC it "someday".
>
> Jon
>
I'd offer you mine Jon, but I suspect its too small for your bigun, as 
mine is an 11 by, and I kept the crossfeeds long cover section, filling 
the top slot to swarf proof my x screw, filled the bottom of the 
carriage too so the air hose can't blow swarf up out of the pan I put 
under the ways to catch most of the swarf in. The drive nut will have to 
be made new anyway, someone had helicoiled it, and it was worn to about 
85 thou of backlash, another 5 thou and it would have been stripped 
again. Anmasingly. the screw isn't hurt!
>
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 



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Re: [Emc-users] 1.5 kw vfd in 6040 problems

[Gene Heskett]

On Monday 28 January 2019 12:12:46 Dave Cole wrote:

> On 1/28/2019 11:49 AM, Gene Heskett wrote:
> > On Sunday 27 January 2019 19:27:54 Gene Heskett wrote:
> >> On Sunday 27 January 2019 17:57:03 Jon Elson wrote:
> >>> On 01/27/2019 03:28 PM, Gene Heskett wrote:
>  So do I ground the direction desired, or feed it 10 volts?
>  Which the vfd also has available although I've not
>  measured it.
> >>>
> >>> UGH!  Only the manual for the drive will tell you that, IF
> >>> you can decipher it!  I just use real, old-fashioned
> >>> electromechanical relays and tie the terminal to where they
> >>> tell you, just like a switch.
> >>
> >> Thats why I was rather partial to the c41, it does use relays... 
> >> Or did, dunno what Arturo has done for the last version. Lookslike
> >> it still does.
> >>
> >>> Jon
> >
> > I've spent the early part of the morning excising the g41's from my
> > code to carve the back panel of at least 2 new interfaces.
> > Surprisingly, the execution time dropped by nearly half. So this
> > afternoon I'll put it back together running manually unless I can
> > find enough chips to fix it. Otherwise I'll be waiting on a 2nd
> > 7i76d so I can go ahead and make the back panels. Day or so. Theres
> > a vfd capable port on the 7i76, easier to use on the 6040 than with
> > the pwm-servo on the G0704.
> >
> > The guy is still dragging his feet on english docs in a pdf format
> > for this thing though. Docx is damned sure a looser IMNSHO. Even the
> > latest 6.1.4 version of LibreOffice can't render it in a usable
> > format.
>
> I think that Googles word processor can open Docx ok...
>
> https://www.google.com/docs/about/
>
> Dave
>
But google always has to get under your skin and agravate one.
Tge translation acutally worked well, but the graphic with external 
arrows were still mucked up. And regardless of that you told okular, it 
printed in b&w, landscape. This despite much of the test being in blue 
unscreen.  However, if its not clipping off the bottoms of the pages, it 
will be a heck of a lot better that what I had so far.  It does seem to 
be trying to refer to the 220/330 volt versions however, and this in is 
a 110 volt version, missing the connector for RS-485, and no pcb traces 
or connector bolts installed where the higher votage stuff would have a 
braking resistor of unspecified ohmage or wattage connected. Two 
different input control strips are shown, this one being the shorter, 
less functional version, missing the AVI out terminal, which is a 10 
volt pwm signal whose duty could be translated to rpms for display by 
lcnc if it had a receiver for such signals.

It does mention in one of the screwed up gfx the possibility of 0-5 volt 
controls, So extended study of the now english notes may disclose a way 
to enable that yet, as I've not removed the 3rd copy from the printer, 
also in landscape mode on portrait oriented paper.

Just did, google bit me twice, the back side of the page is printed 
upside down.  And I just found that the pwm input is NOT the normal 
AVI/could be a pot, but terminal MI4, and that you must tell it the 
period of the PWM. So another option to try. So I guess its time to get 
off my duff and get to it.

Thanks all, and Dave Cole in particular for sending me to google with it.  
This is I think going to be an improvement.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 



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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[andy pugh]

On Mon, 28 Jan 2019 at 17:18, Jon Elson  wrote:

I didn't quite understand this description,


Here is a picture.
Note that the cross feed handle has two sets of dovetails, one above the
handle and one below.
https://www.flickr.com/photos/80180751@N02/31932638307

So the entire feed handle moves in and out with the taper turning slide and
then the cross-slide moves on top of that.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for the especial use of mechanical geniuses, daredevils and lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[Jon Elson]

On 01/28/2019 04:28 AM, andy pugh wrote:
One oddity from Holbrook that I have not seen elsewhere 
(and isn't actually a feature of the H17 in the original 
advert) is a double dovetail on the cross slide. There is 
a part rather like a butterfly shape, fitting into a 
female dovetail in the saddle and another female dovetail 
in the cross slide. The cross slide nut is mounted in this 
dovetail, and normally it is rigidly bolted to the saddle 
by a conical bolt. But you can move that conical bolt to 
the taper-turning slide, and then you have completely 
independent taper and cross slide motion. (with typical 
taper-turning systems you have to use the compound slide 
to adjust the cut) 
http://www.lathes.co.uk/holbrook-B-13-71-21/ It is curious 
that the Sheldon R series is absent from lathes.co.uk, but 
then so is the Holbrook H series. 
I didn't quite understand this description, but if you have 
a taper attachment on the Sheldon R-series, it is a 
"telescopic" taper attachment.  So, the crossfeed screw ADDS 
an adjustment to the taper attachment.  I think this is what 
you might be referring to.  I think a number of larger 
toolroom lathes have this feature.  I think on the Sheldon, 
you just turn two handles to switch how the nuts are 
clamped, you don't have to move a bolt.  (Wish I had the 
taper attachment on my lathe!  I could probably build one, 
but I haven't because I might CNC it "someday".


Jon


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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[Jon Elson]

On 01/28/2019 04:28 AM, andy pugh wrote:
It is curious that the Sheldon R series is absent from 
lathes.co.uk, but then so is the Holbrook H series. 
They were not made in great numbers, although I have seen 2 
others in shops.  One was at

Washtenaw Community College, where we had a few CNC Workshops.

There was an early R-series (before roughly 1968) that was 
much less sophisticated (no separate feed driveshaft, 
standard "Rockwell" style QC box, and the late R-series that 
had the feed shaft and the 80-speed QC.  Both had a really 
impressive headstock about the size of a V-8 engine block, 
with a 2.5" spindle through hole.  Several spindle mounts 
were available, mine has a D1-6.


Jon


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Re: [Emc-users] 1.5 kw vfd in 6040 problems

[Dave Cole]

On 1/28/2019 11:49 AM, Gene Heskett wrote:

On Sunday 27 January 2019 19:27:54 Gene Heskett wrote:


On Sunday 27 January 2019 17:57:03 Jon Elson wrote:

On 01/27/2019 03:28 PM, Gene Heskett wrote:

So do I ground the direction desired, or feed it 10 volts?
Which the vfd also has available although I've not
measured it.

UGH!  Only the manual for the drive will tell you that, IF
you can decipher it!  I just use real, old-fashioned
electromechanical relays and tie the terminal to where they
tell you, just like a switch.

Thats why I was rather partial to the c41, it does use relays...  Or
did, dunno what Arturo has done for the last version. Lookslike it
still does.


Jon


I've spent the early part of the morning excising the g41's from my code
to carve the back panel of at least 2 new interfaces. Surprisingly, the
execution time dropped by nearly half. So this afternoon I'll put it
back together running manually unless I can find enough chips to fix it.
Otherwise I'll be waiting on a 2nd 7i76d so I can go ahead and make the
back panels. Day or so. Theres a vfd capable port on the 7i76, easier to
use on the 6040 than with the pwm-servo on the G0704.

The guy is still dragging his feet on english docs in a pdf format for
this thing though. Docx is damned sure a looser IMNSHO. Even the latest
6.1.4 version of LibreOffice can't render it in a usable format.



I think that Googles word processor can open Docx ok...

https://www.google.com/docs/about/

Dave




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Re: [Emc-users] 1.5 kw vfd in 6040 problems

[Gene Heskett]

On Sunday 27 January 2019 19:27:54 Gene Heskett wrote:

> On Sunday 27 January 2019 17:57:03 Jon Elson wrote:
> > On 01/27/2019 03:28 PM, Gene Heskett wrote:
> > > So do I ground the direction desired, or feed it 10 volts?
> > > Which the vfd also has available although I've not
> > > measured it.
> >
> > UGH!  Only the manual for the drive will tell you that, IF
> > you can decipher it!  I just use real, old-fashioned
> > electromechanical relays and tie the terminal to where they
> > tell you, just like a switch.
>
> Thats why I was rather partial to the c41, it does use relays...  Or
> did, dunno what Arturo has done for the last version. Lookslike it
> still does.
>
> > Jon
> >
I've spent the early part of the morning excising the g41's from my code 
to carve the back panel of at least 2 new interfaces. Surprisingly, the 
execution time dropped by nearly half. So this afternoon I'll put it 
back together running manually unless I can find enough chips to fix it. 
Otherwise I'll be waiting on a 2nd 7i76d so I can go ahead and make the 
back panels. Day or so. Theres a vfd capable port on the 7i76, easier to 
use on the 6040 than with the pwm-servo on the G0704.

The guy is still dragging his feet on english docs in a pdf format for 
this thing though. Docx is damned sure a looser IMNSHO. Even the latest 
6.1.4 version of LibreOffice can't render it in a usable format.
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
> Cheers, Gene Heskett


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 



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Re: [Emc-users] Nice manual lathe in WA (assume WA USA not WA AU)

[andy pugh]

On Sat, 26 Jan 2019 at 16:16, Jon Elson  wrote:


>  The input pulley is coaxial to the
> spindle, but does not run ON the spindle, it has its own set
> of bearings in the headstock, so as to not impart any
> vibration to the spindle.


This was quite popular as an idea at one point, though seems to have fallen
from favour later on
http://www.lathes.co.uk/cromwell/  and  http://www.lathes.co.uk/weiler/ are
other examples.

One oddity from Holbrook that I have not seen elsewhere (and isn't actually
a feature of the H17 in the original advert) is a double dovetail on the
cross slide.
There is a part rather like a butterfly shape, fitting into a female
dovetail in the saddle and another female dovetail in the cross slide. The
cross slide nut is mounted in this dovetail, and normally it is rigidly
bolted to the saddle by a conical bolt.
But you can move that conical bolt to the taper-turning slide, and then you
have completely independent taper and cross slide motion. (with typical
taper-turning systems you have to use the compound slide to adjust the cut)
http://www.lathes.co.uk/holbrook-B-13-71-21/

It is curious that the Sheldon R series is absent from lathes.co.uk, but
then so is the Holbrook H series.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for the especial use of mechanical geniuses, daredevils and lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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