Re: [Emc-users] Potential 4th Axis

[Chris Albertson]

Gene and all.   They give you the model number FHA-25B-6015-E150.  The
current revision is "C".  These are last year's models at 90% off list
price.  I'd say the 25-size unit is overkill for a home shop.  This  motor
is designed for use in industrial robot arms, the kind of machine that
welds or paints car bodies.

Here is what you need to know:
http://www.harmonicdrive.net/products/rotary-actuators/hollow-shaft-actuators/fha-c



On Mon, Jan 8, 2018 at 7:06 PM, Gene Heskett  wrote:

> On Monday 08 January 2018 18:29:44 Gregg Eshelman via Emc-users wrote:
>
> > What I can't find on those Harmonic Drive brand harmonic drives is one
> > single useful bit of information on how big or small they are. All
> > I've been able to find are motor size numbers, that appear to be
> > something proprietary, they're not listed as NEMA or any other
> > standard, just plain numbers. If I was going to get one for use on a
> > small mill like a PLM2000, I wouldn't want to end up with something a
> > foot in diameter weighing 50 pounds, nor would I want to get one so
>
> foot across, weighing 150 lbs. There, I fixed it for you. :)
>
> > tiny it'd be a flyspec on a large mill's table.
>
> Thats one of my complaints too, they don't tell you squat as to size,
> weight, motor mount, shaft, even gear ratio.  Its all a big secret. And
> they aren't even going to feel a nibble until I know enough to tell if I
> can use it.
> >
> > On Monday, January 8, 2018, 5:58:06 AM MST, Andrew
> >  wrote:
> >
> >  2017-11-28 12:07 GMT+02:00 andy pugh:
> > > Spotted on eBay in the US, a more reasonably priced than usual
> > > harmonic drive:
> > > https://www.ebay.co.uk/itm/182931238612?ul_noapp=true
> > >
> > > This is the same as the one I used:
> > > http://bodgesoc.blogspot.de/2017/05/harmonic.html
> > >
> > > Full set https://www.ebay.com/itm/161123511773
> >
> > Looks nice, has a lot of watchers )
>
> Thanks Greg.
>
> 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] Hostmot2 integer min,max values

[Jeff Epler]

On Mon, Jan 08, 2018 at 09:16:57AM -0700, Sebastian Kuzminsky wrote:
> On 01/07/2018 01:25 PM, Nicklas Karlsson wrote:
> > Found this in the file "hostmot2.h" and they live in " 
> That's true when building for uspace, but when building for RTAI kernel
> space of course /usr/include isn't accessible.

.. it would be totally appropriate to add these in the rtapi_stdint.h
header, IMO.

.. though on a current system, the "stdint.h" header is available even
in the presence of "-ffreestanding", and provides identifiers like
INT32_MAX, so maybe we should check whether compilers that *don't*
support "stdint.h" when freestanding have fallen off the end of our
architecture support, in which case we can simplify this.  In C99, a
"conforming freestanding implementation shall accept" programs that use
.  Of course, I didn't check what is *actually* available when
building kernel modules, since I don't have any RTAI systems handy.

Jeff

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Re: [Emc-users] Potential 4th Axis

[Gene Heskett]

On Monday 08 January 2018 18:29:44 Gregg Eshelman via Emc-users wrote:

> What I can't find on those Harmonic Drive brand harmonic drives is one
> single useful bit of information on how big or small they are. All
> I've been able to find are motor size numbers, that appear to be
> something proprietary, they're not listed as NEMA or any other
> standard, just plain numbers. If I was going to get one for use on a
> small mill like a PLM2000, I wouldn't want to end up with something a
> foot in diameter weighing 50 pounds, nor would I want to get one so

foot across, weighing 150 lbs. There, I fixed it for you. :)

> tiny it'd be a flyspec on a large mill's table.

Thats one of my complaints too, they don't tell you squat as to size, 
weight, motor mount, shaft, even gear ratio.  Its all a big secret. And 
they aren't even going to feel a nibble until I know enough to tell if I 
can use it.
>
> On Monday, January 8, 2018, 5:58:06 AM MST, Andrew
>  wrote:
>
>  2017-11-28 12:07 GMT+02:00 andy pugh:
> > Spotted on eBay in the US, a more reasonably priced than usual
> > harmonic drive:
> > https://www.ebay.co.uk/itm/182931238612?ul_noapp=true
> >
> > This is the same as the one I used:
> > http://bodgesoc.blogspot.de/2017/05/harmonic.html
> >
> > Full set https://www.ebay.com/itm/161123511773
>
> Looks nice, has a lot of watchers )

Thanks Greg.

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] Potential 4th Axis

[Chris Albertson]

This guy describes how to build a 4th axis and how to read and de-cypher
the part numbers.  Very clear explanations of how to do the design and
machine work WITHOUT any cast metal parts.
https://www.youtube.com/watch?v=mmOnktzifeg
Listen to the part where he talks about why you want the "F" type. These
will take typical machining loads.

I see these parts for sale on eBay for $200 to $250.

On Mon, Jan 8, 2018 at 4:54 AM, Andrew  wrote:

> 2017-11-28 12:07 GMT+02:00 andy pugh:
>
> > Spotted on eBay in the US, a more reasonably priced than usual harmonic
> > drive:
> > https://www.ebay.co.uk/itm/182931238612?ul_noapp=true
> >
> > This is the same as the one I used:
> > http://bodgesoc.blogspot.de/2017/05/harmonic.html
> >
> > Full set https://www.ebay.com/itm/161123511773
> Looks nice, has a lot of watchers )
> 
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Re: [Emc-users] Potential 4th Axis

[Chris Albertson]

On Mon, Jan 8, 2018 at 3:29 PM, Gregg Eshelman via Emc-users
 wrote:
> What I can't find on those Harmonic Drive brand harmonic drives is one single 
> useful bit of information on how big or small they are. All I've been able to 
> find are motor size numbers, that appear to be something proprietary,

Yes.  A "harmonic drive" is a trade marked name and there is only one
company who makes them.  All the specs are on their web site the even
have CAD drawings (dxf files) everything they make.

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Re: [Emc-users] Potential 4th Axis

[John Dammeyer]

I bought one of the FHA-B types and it's the same size as the FHA-C.  I've
had contact with the manufacturer and they have been quite helpful.  

Andy's blog gives an idea of size of the FHA-B and he has castings
available.
http://bodgesoc.blogspot.ca/2017/05/harmonic.html

I've 3D printed a holder for mine that better fits the slots on my mill and
still gives me a reference slot.  The base is about 8.5" x 5" and the whole
thing is about 8" tall.  I will be able to swing my 9" faceplate I use on my
South Bend Lathe.  I had to 3D print it in 4 pieces after drawing it up in
Alibre.  Haven't yet decided if I'll do a lost PLA casting or add body
filler material and use it as a pattern.
http://www.autoartisans.com/cnc/FullSize-6.jpg  Front view
http://www.autoartisans.com/cnc/FullSize-5.jpg  Back view
http://www.autoartisans.com/cnc/FullSize-4.jpg  On Mill.

Fullsize-4 shows it bolted on an earlier 1/4 prototype and bolted to the
mill table.  More than enough room for a collet holder and a mill.

I'll be using an STMBL AC Servo drive for it.

John Dammeyer

> -Original Message-
> From: Andrew [mailto:pkm...@gmail.com]
> Sent: January-08-18 3:47 PM
> To: Enhanced Machine Controller (EMC)
> Subject: Re: [Emc-users] Potential 4th Axis
> 
> 2018-01-09 1:29 GMT+02:00 Gregg Eshelman via Emc-users:
> 
> > What I can't find on those Harmonic Drive brand harmonic drives is one
> > single useful bit of information on how big or small they are. All I've
> > been able to find are motor size numbers, that appear to be something
> > proprietary, they're not listed as NEMA or any other standard, just
plain
> > numbers.
> > If I was going to get one for use on a small mill like a PLM2000, I
> > wouldn't want to end up with something a foot in diameter weighing 50
> > pounds, nor would I want to get one so tiny it'd be a flyspec on a large
> > mill's table.
> 
> 
> I can't find FHA-B type either. But here is similar FHA-C actuator with
> dimensions
> http://www.harmonicdrive.net/products/rotary-actuators/hollo
> w-shaft-actuators/fha-c
> 
> PS: Same set cheaper https://www.ebay.com/itm/272996989905
> Larger set 32 size https://www.ebay.com/itm/272996992332
> But these are from China (vs. Korea)
> 
> Just make sure the drive supports step/dir or analog
>

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Re: [Emc-users] Potential 4th Axis

[Andrew]

2018-01-09 1:29 GMT+02:00 Gregg Eshelman via Emc-users:

> What I can't find on those Harmonic Drive brand harmonic drives is one
> single useful bit of information on how big or small they are. All I've
> been able to find are motor size numbers, that appear to be something
> proprietary, they're not listed as NEMA or any other standard, just plain
> numbers.
> If I was going to get one for use on a small mill like a PLM2000, I
> wouldn't want to end up with something a foot in diameter weighing 50
> pounds, nor would I want to get one so tiny it'd be a flyspec on a large
> mill's table.


I can't find FHA-B type either. But here is similar FHA-C actuator with
dimensions
http://www.harmonicdrive.net/products/rotary-actuators/hollo
w-shaft-actuators/fha-c

PS: Same set cheaper https://www.ebay.com/itm/272996989905
Larger set 32 size https://www.ebay.com/itm/272996992332
But these are from China (vs. Korea)

Just make sure the drive supports step/dir or analog
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Re: [Emc-users] Potential 4th Axis

[Gregg Eshelman via Emc-users]

What I can't find on those Harmonic Drive brand harmonic drives is one single 
useful bit of information on how big or small they are. All I've been able to 
find are motor size numbers, that appear to be something proprietary, they're 
not listed as NEMA or any other standard, just plain numbers.
If I was going to get one for use on a small mill like a PLM2000, I wouldn't 
want to end up with something a foot in diameter weighing 50 pounds, nor would 
I want to get one so tiny it'd be a flyspec on a large mill's table.
 

On Monday, January 8, 2018, 5:58:06 AM MST, Andrew  
wrote:  
 
 2017-11-28 12:07 GMT+02:00 andy pugh:

> Spotted on eBay in the US, a more reasonably priced than usual harmonic
> drive:
> https://www.ebay.co.uk/itm/182931238612?ul_noapp=true
>
> This is the same as the one I used:
> http://bodgesoc.blogspot.de/2017/05/harmonic.html
>
> Full set https://www.ebay.com/itm/161123511773
Looks nice, has a lot of watchers )  
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Re: [Emc-users] Add pin (Ethercat driver on the way)

[Nicklas Karlsson]

> > I tried to use hal_pin_s32_new(...) to add pins to a component in a hal
> > driver. There are no error reported but pins do not show up in hal
> > configuration. Any idea
> 
> 
> Do you call "hal_ready()" when all has been set up?

Yes but I did not notice I had to fill path correct. The pins ended up under 
root in hal configuration.

What is in for one is out for the other so I also had to get correct direction 
then I could see the inputs and even though outputs are not visible I guess 
they are correct in the other end.


If anybody is interested I could pack the files up in a zip file. Eventually I 
should try to get them in the normal way thru git but guess there is not enough 
time before weekend. There are quite a lot to do to get a useful driver but 
simple hardcoded IO it seems to handle.

For a few days while also visiting night club both friday and saturday this 
feels like a wonder.


Regards Nicklas Karlsson

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Re: [Emc-users] CBN wheels.

[Gene Heskett]

On Monday 08 January 2018 12:54:32 Mark wrote:

> On 01/08/2018 12:40 PM, Gene Heskett wrote:
> >> That version is incredibly ancient.  That's pretty much a beta
> >> version and close to 10 years old.  Have you tried to get a newer
> >> version through the software manager?
> >
> > That is the newest version offered to a wheezy machine.
>
> So it's an Ubuntu install then.
>
No, debian wheezy, /etc/issue says debian GNU/Linux 7, about 7.11 I 
think, uptodate a/o this morning.

> >> I've got it on a 10.04 LTS lcnc install and it works just fine.
> >> Must be something you've done with that machine that breaks it.
> >> Which wheezy? Ubuntu or Debian?
> >
> > This is straight from the install image at linuxcnc.org. With lots
> > of additions because this machine is the doall machine. 100% updated
> > 2 to 4x a week.
>
> Then something is broken somewhere.  There's no reason installing it
> from the command line from the Calibre web site should croak and die
> like it did, unless something is missing, turned off, or mangled in
> the system.  I've installed from the command line on 10.04, 12.04,
> 14.04 and now 16.04.
>
> What have you done with the system other than edit and change the lcnc
> configuration files?  It's quite possible if you were monkeying with
> library files something got hosed or there are incompatible lib files
> on the system that interact with programs like wget.
>
> Calibre "Just Works", and has for the last 4 iterations of Ubuntu
> software.
>
> > Cheers, Gene Heskett
>
>   Mark
>
>
>
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Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Add pin

[andy pugh]

On 8 January 2018 at 20:15, Nicklas Karlsson 
wrote:

> I tried to use hal_pin_s32_new(...) to add pins to a component in a hal
> driver. There are no error reported but pins do not show up in hal
> configuration. Any idea


Do you call "hal_ready()" when all has been set up?

>
>



-- 
atp
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for the especial use of mechanical geniuses, daredevils and lunatics."
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[Emc-users] Add pin

[Nicklas Karlsson]

I tried to use hal_pin_s32_new(...) to add pins to a component in a hal driver. 
There are no error reported but pins do not show up in hal configuration. Any 
idea?


Nicklas Karlsson

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Re: [Emc-users] CBN wheels.

[Mark]

On 01/08/2018 12:40 PM, Gene Heskett wrote:

That version is incredibly ancient.  That's pretty much a beta version
and close to 10 years old.  Have you tried to get a newer version
through the software manager?


That is the newest version offered to a wheezy machine.


So it's an Ubuntu install then.




I've got it on a 10.04 LTS lcnc install and it works just fine. Must
be something you've done with that machine that breaks it. Which
wheezy? Ubuntu or Debian?

This is straight from the install image at linuxcnc.org. With lots of
additions because this machine is the doall machine. 100% updated 2 to
4x a week.


Then something is broken somewhere.  There's no reason installing it 
from the command line from the Calibre web site should croak and die 
like it did, unless something is missing, turned off, or mangled in the 
system.  I've installed from the command line on 10.04, 12.04, 14.04 and 
now 16.04.


What have you done with the system other than edit and change the lcnc 
configuration files?  It's quite possible if you were monkeying with 
library files something got hosed or there are incompatible lib files on 
the system that interact with programs like wget.


Calibre "Just Works", and has for the last 4 iterations of Ubuntu software.








Cheers, Gene Heskett


 Mark



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Re: [Emc-users] CBN wheels.

[Gene Heskett]

On Monday 08 January 2018 12:10:36 Mark wrote:

> On 01/08/2018 11:58 AM, Gene Heskett wrote:
> >> It should say down at the bottom of the Calibre main window.  Mine
> >> says Calibre 3.12 created by Kovid Goyal.
> >
> > This one say 0.8.51, obviously a debian assigned number.
>
> That version is incredibly ancient.  That's pretty much a beta version
> and close to 10 years old.  Have you tried to get a newer version
> through the software manager?
>
That is the newest version offered to a wheezy machine.

> >>> I am glad it works for you Mark, but it doesn't work here as
> >>> anything but a pretty face pdf /only/ viewer.
> >>
> >> Can't help with a broken OS install.  What OS and version are you
> >> running?
> >
> > The 32 bit wheezy lcnc install.
>
> I've got it on a 10.04 LTS lcnc install and it works just fine. Must
> be something you've done with that machine that breaks it. Which
> wheezy? Ubuntu or Debian?

This is straight from the install image at linuxcnc.org. With lots of 
additions because this machine is the doall machine. 100% updated 2 to 
4x a week.


> The Ubuntu version is 12.04 and I had it on 
> a desktop and Calibre worked just fine with that version. My guess is
> your tinkering with the system broke something that's keeping you from
> installing the latest version.  I've never had any of the problems
> with most of the software your machine seems to have issues with.
>
> >>> Cheers, Gene Heskett
>
> Mark
>
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Cheers, Gene Heskett
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] linuxcnc Add source code

[Nicklas Karlsson]

> On 7 January 2018 at 18:51, Nicklas Karlsson
>  wrote:
> 
> >> Just choose another driver that does get compiled (such as hal_motenc)
> >> and replicate all the same lines in the Makefile for your driver.
> >
> > Tried this but it does not compile while others do. I searched differences 
> > and there is some magic because my new file is not compiled while others 
> > are.
> 
> You need new entries in several parts of the makefile.

Yes ...

I started with old driver and everything except what was needed where cleaned 
there basically was little more than a call to rtapi_app_main(...) and the 
copyright notice left. Then I copied the internal from test.c file into 
rtapi_app_main(...) and thread and after an hour two I actually have 
communication with Ethercat device from linuxcnc. This is much faster than I 
could imagine.

It feels like a really good start but now I have to slowdown until the next 
weekend.


I need to add some pins hal pins to make it useful and get some order on the 
data before I could give a try on something real. Then of course hard coded 
configuration is not good and standard should be followed.



Nicklas Karlsson

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Re: [Emc-users] CBN wheels.

[Gene Heskett]

On Monday 08 January 2018 11:46:04 Les Newell wrote:

> Hi Gene,
>
> I have used Calibre process a LOT of ebooks and the only books it has
> failed on are scanned pdfs, ones with DRM and occasional corrupted
> files. It most definitely will open epub and I generally use it to
> convert whatever format the book comes in to epub. I have to admit
> it's conversion of pdf to other formats isn't great but very few
> packages do a good job of that.
>
> I don't know why it wouldn't see the epub when you tried opening it.
> Try dragging a file out of a file manager and dropping it into
> calibre. I often do that.
>
> Les

I guess I'm old school, mc is my file manager. I don't even know if it 
can be a drag & drop src. And it turns out that any epub's I may have 
had were wiped with a new install, circa 3+ years ago, as the only ones 
present on the system today are part of the calibre install.

I've been playing with it for the last half hour, and the only thing it 
can open anything with is with gimp, and that spits out errors, failing 
to actually display the contents.  So its gone downhill in a well oiled 
little red wagon since the last time I poked at it.

Now its time to go feed the missus, & after that, write some gcode to 
carve a reversed 5C on an alu rod currently sticking out of the Sheldons 
spindle, which I had to regrind for concentricity, it was bent about 5 
thou, probably by the same fallover that wrecked the compound and 
probably at least 2 owners back in time. This is to make a new 5C 
adapter by grinding the grizzly part down to the abbreviated MT5 in the 
Sheldon spindle. I'll make a lathe out of this thing yet.

 
Cheers, Gene Heskett
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-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] CBN wheels.

[Mark]

On 01/08/2018 11:58 AM, Gene Heskett wrote:


It should say down at the bottom of the Calibre main window.  Mine
says Calibre 3.12 created by Kovid Goyal.


This one say 0.8.51, obviously a debian assigned number.


That version is incredibly ancient.  That's pretty much a beta version 
and close to 10 years old.  Have you tried to get a newer version 
through the software manager?





I am glad it works for you Mark, but it doesn't work here as
anything but a pretty face pdf /only/ viewer.

Can't help with a broken OS install.  What OS and version are you
running?

The 32 bit wheezy lcnc install.


I've got it on a 10.04 LTS lcnc install and it works just fine. Must be 
something you've done with that machine that breaks it. Which wheezy?  
Ubuntu or Debian?  The Ubuntu version is 12.04 and I had it on a desktop 
and Calibre worked just fine with that version. My guess is your 
tinkering with the system broke something that's keeping you from 
installing the latest version.  I've never had any of the problems with 
most of the software your machine seems to have issues with.





Cheers, Gene Heskett


Mark

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Re: [Emc-users] CBN wheels.

[Gene Heskett]

On Monday 08 January 2018 11:43:23 Mark wrote:

> On 01/08/2018 11:28 AM, Gene Heskett wrote:
> >> Sure there is.  Just got to know where to get it:
> >>
> >> 
> >>
> >> And the Linux version:
> >>
> >> 
> >
> > The download and install line from that web page fails instantly
> > when drag copied to a user bash shell.
> >
> > gene@coyote:~$ sudo -v && wget -nv -O-
> > https://download.calibre-ebook.com/linux-installer.py | sudo python
> > -c "import sys; main=lambda:sys.stderr.write('Download failed\n');
> > exec(sys.stdin.read()); main()" [sudo] password for gene:
> > Cannot specify both -k and -O if multiple URLs are given, or in
> > combination with -p or -r. See the manual for details.
> >
> > Usage: wget [OPTION]... [URL]...
> > Download failed
> >
> > I personally do not see the -k option being given anyplace in the
> > above command line. So the error makes no sense to me.
>
> Then something is messed up on your machine.  There is no '-k' in that
> line anywhere.  I've been using it on Ubuntu since the 10.04 days.
>
> > As I said, linux does NOT have a universal ebook reader.
>
> Calibre will read any format ebook.
>
> > The ebooks I have bought, have cost me over $50 so far, and the
> > distros versions of calibre have yet to read even one of them.  So
> > pardon me for being skeptical while quoting the whole transaction
> > above.
>
> Be skeptical all you want.  It works on every machine I've ever
> installed it on.
>
> > But thanks for the link(s)
> >
> > The calibre I currently have installed, version unk because it
> > doesn't have such a critter in its about or help screens, reads a
> > pdf just fine, but does not even show an e-pub thats present in the
> > same directory. And it cannot the pdf on deat tree from the pdf w/o
> > a huge waste of paper and ink, apparently totally ignoring what the
> > printer says it can do.
>
> It should say down at the bottom of the Calibre main window.  Mine
> says Calibre 3.12 created by Kovid Goyal.
>
This one say 0.8.51, obviously a debian assigned number.

> >> Been using this for years as a way to organize all my ebooks.  It
> >> will also convert the ebook format to the one your other readers
> >> use, and you can upload the ebooks to your Kindle, Nook or other
> >> device using a USB cable from your computer to the reader.  Very
> >> stable, the developer is quite responsive to issues, and just for
> >> you Gene, it Just Works. Currently installed on Ubuntu 16.04 LTS
> >> here in the frozen water pipe cave.
> >>
> >> Mark
> >
> > I am glad it works for you Mark, but it doesn't work here as
> > anything but a pretty face pdf /only/ viewer.
>
> Can't help with a broken OS install.  What OS and version are you
> running?

The 32 bit wheezy lcnc install.

> > Cheers, Gene Heskett
>
> Mark
>
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Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] CBN wheels.

[Les Newell]

Hi Gene,

I have used Calibre process a LOT of ebooks and the only books it has 
failed on are scanned pdfs, ones with DRM and occasional corrupted 
files. It most definitely will open epub and I generally use it to 
convert whatever format the book comes in to epub. I have to admit it's 
conversion of pdf to other formats isn't great but very few packages do 
a good job of that.


I don't know why it wouldn't see the epub when you tried opening it. Try 
dragging a file out of a file manager and dropping it into calibre. I 
often do that.


Les


The ebooks I have bought, have cost me over $50 so far, and the distros
versions of calibre have yet to read even one of them.  So pardon me
for being skeptical while quoting the whole transaction above.

But thanks for the link(s)

The calibre I currently have installed, version unk because it doesn't
have such a critter in its about or help screens, reads a pdf just fine,
but does not even show an e-pub thats present in the same directory.
And it cannot the pdf on deat tree from the pdf w/o a huge waste of
paper and ink, apparently totally ignoring what the printer says it can
do.

FWIW I have 2, one being a cheap very fast brother b laser, letter
size paper only, and a MFCJ6920DW brother ink squirter, slow, but can
do up to 11x17 duplex.

So obviously I don't use it, evince or okular both work far better. Works
great on rockhopper output run thru ps2poster though.




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Re: [Emc-users] CBN wheels.

[Mark]

On 01/08/2018 11:28 AM, Gene Heskett wrote:


Sure there is.  Just got to know where to get it:



And the Linux version:




The download and install line from that web page fails instantly when drag 
copied to a user bash shell.

gene@coyote:~$ sudo -v && wget -nv -O- 
https://download.calibre-ebook.com/linux-installer.py | sudo python -c "import sys;
main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); 
main()"
[sudo] password for gene:
Cannot specify both -k and -O if multiple URLs are given, or in combination
with -p or -r. See the manual for details.

Usage: wget [OPTION]... [URL]...
Download failed

I personally do not see the -k option being given anyplace in the above
command line. So the error makes no sense to me.


Then something is messed up on your machine.  There is no '-k' in that 
line anywhere.  I've been using it on Ubuntu since the 10.04 days.




As I said, linux does NOT have a universal ebook reader.


Calibre will read any format ebook.


The ebooks I have bought, have cost me over $50 so far, and the distros
versions of calibre have yet to read even one of them.  So pardon me
for being skeptical while quoting the whole transaction above.


Be skeptical all you want.  It works on every machine I've ever 
installed it on.




But thanks for the link(s)

The calibre I currently have installed, version unk because it doesn't
have such a critter in its about or help screens, reads a pdf just fine,
but does not even show an e-pub thats present in the same directory.
And it cannot the pdf on deat tree from the pdf w/o a huge waste of
paper and ink, apparently totally ignoring what the printer says it can
do.


It should say down at the bottom of the Calibre main window.  Mine says 
Calibre 3.12 created by Kovid Goyal.





Been using this for years as a way to organize all my ebooks.  It will
also convert the ebook format to the one your other readers use, and
you can upload the ebooks to your Kindle, Nook or other device using a
USB cable from your computer to the reader.  Very stable, the
developer is quite responsive to issues, and just for you Gene, it
Just Works. Currently installed on Ubuntu 16.04 LTS here in the frozen
water pipe cave.

Mark


I am glad it works for you Mark, but it doesn't work here as anything
but a pretty face pdf /only/ viewer.


Can't help with a broken OS install.  What OS and version are you running?



Cheers, Gene Heskett

Mark

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Re: [Emc-users] CBN wheels.

[Gene Heskett]

On Monday 08 January 2018 08:22:41 Mark wrote:

> On 01/08/2018 02:28 AM, Gene Heskett wrote:
> > On Sunday 07 January 2018 22:24:17 dave wrote:
> >> https://books.google.com/books?id=JR-efIBvAH0C=PA274=PA274
> >>q=C
> >> BN+reactivity=bl=0CGSHcznFj=9TIF2ZJpkruVX3kTTWtz3erG
> >>t74&
> >> hl=en=X=0ahUKEwjU49rDssfYAhWk3oMKHSBEDrYQ6AEITzAG#v=onepage&
> >>q=CB N%20reactivity=false
> >>
> >> Lots of information to dig thru!  If you go down far enough there
> >> are some comments on coolant for CBN.
> >>
> >> HTH
> >> Dave
> >
> > I was able to read a bit of that, thought about just buying it on
> > dead tree, but not at $200+. Didn't price the ebook version since
> > linux does not have an ebook reader that Just Works.
> >
> > Thanks Dave.
>
> Sure there is.  Just got to know where to get it:
>
> 
>
> And the Linux version:
>
> 
>
The download and install line from that web page fails instantly when drag 
copied to a user bash shell.

gene@coyote:~$ sudo -v && wget -nv -O- 
https://download.calibre-ebook.com/linux-installer.py | sudo python -c "import 
sys; 
main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); 
main()"
[sudo] password for gene:
Cannot specify both -k and -O if multiple URLs are given, or in combination
with -p or -r. See the manual for details.

Usage: wget [OPTION]... [URL]...
Download failed

I personally do not see the -k option being given anyplace in the above
command line. So the error makes no sense to me.

As I said, linux does NOT have a universal ebook reader.

The ebooks I have bought, have cost me over $50 so far, and the distros 
versions of calibre have yet to read even one of them.  So pardon me 
for being skeptical while quoting the whole transaction above.

But thanks for the link(s)

The calibre I currently have installed, version unk because it doesn't 
have such a critter in its about or help screens, reads a pdf just fine,
but does not even show an e-pub thats present in the same directory.
And it cannot the pdf on deat tree from the pdf w/o a huge waste of 
paper and ink, apparently totally ignoring what the printer says it can 
do.

FWIW I have 2, one being a cheap very fast brother b laser, letter 
size paper only, and a MFCJ6920DW brother ink squirter, slow, but can 
do up to 11x17 duplex.

So obviously I don't use it, evince or okular both work far better. Works
great on rockhopper output run thru ps2poster though.

> Been using this for years as a way to organize all my ebooks.  It will
> also convert the ebook format to the one your other readers use, and
> you can upload the ebooks to your Kindle, Nook or other device using a
> USB cable from your computer to the reader.  Very stable, the
> developer is quite responsive to issues, and just for you Gene, it
> Just Works. Currently installed on Ubuntu 16.04 LTS here in the frozen
> water pipe cave.

We're having a heat wave, 38F when I woke up, but I see its down to 34F
at the airport 20 NE of here now at 11:25. Maybe your pipes will thaw 
today, hopefully w/o bursting.

> Mark
>
I am glad it works for you Mark, but it doesn't work here as anything 
but a pretty face pdf /only/ viewer.

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] Hostmot2 integer min,max values

[Sebastian Kuzminsky]

On 01/07/2018 01:25 PM, Nicklas Karlsson wrote:

Found this in the file "hostmot2.h" and they live in "

[Emc-users] Iconflyable PyVCP

[Ricardo Moscoloni]

Hi folks,
maybe a really dumb question but:
anynone knows how to launch pyvcp in a separate (from axis/touchy)
iconflyable window?
Regards
RCK
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Re: [Emc-users] CBN wheels.

[Mark]

On 01/08/2018 02:28 AM, Gene Heskett wrote:

On Sunday 07 January 2018 22:24:17 dave wrote:


https://books.google.com/books?id=JR-efIBvAH0C=PA274=PA274=C
BN+reactivity=bl=0CGSHcznFj=9TIF2ZJpkruVX3kTTWtz3erGt74&
hl=en=X=0ahUKEwjU49rDssfYAhWk3oMKHSBEDrYQ6AEITzAG#v=onepage=CB
N%20reactivity=false

Lots of information to dig thru!  If you go down far enough there are
some comments on coolant for CBN.

HTH
Dave


I was able to read a bit of that, thought about just buying it on dead
tree, but not at $200+. Didn't price the ebook version since linux does
not have an ebook reader that Just Works.

Thanks Dave.



Sure there is.  Just got to know where to get it:



And the Linux version:



Been using this for years as a way to organize all my ebooks.  It will 
also convert the ebook format to the one your other readers use, and you 
can upload the ebooks to your Kindle, Nook or other device using a USB 
cable from your computer to the reader.  Very stable, the developer is 
quite responsive to issues, and just for you Gene, it Just Works.  
Currently installed on Ubuntu 16.04 LTS here in the frozen water pipe cave.


Mark

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Re: [Emc-users] CBN wheels.

[Stuart Stevenson]

I have very limited experience with CBN wheels so this is more of a
question than comment. I noticed if the grinding process is sparking while
grinding the wheel seems to not wear at all but if the process is not
sparking the wheel wears rapidly. Can anyone comment?

Thanks
Stuart

On Jan 8, 2018 1:39 AM, "Gene Heskett"  wrote:

> On Monday 08 January 2018 02:05:03 Marcus Bowman wrote:
>
> > One thing I have noticed is important with CBN wheels is that there is
> > little or no run-out on the wheel when mounted, because there is no
> > real depth to the coating, so dressing appears to be somewhat risky. I
> > have seen several reports of wheels supplied with considerable run-out
> > when they are mounted using the as-supplied centre hole. I expect this
> > may be price-related.
> >
> > Marcus
> >
> I'd have to come to that conclusion too, but most of the 8" for bench
> grinders either supply the correct hub, or will sell you the bushing
> cheap.
>
> 1 review writer said to have been using the very thin coated
> electroplated version, for about 5 years in his shop, notes that it
> takes about a months use to "activate" it and that he had never had a
> good excuse to dress it.  Said he did clean the tool before he headed to
> the grinder to sharpen it, recommended by the wheel supplier I guess.
>
> I'll have to make an arbor, and will report on this one when I've had a
> chance to use it.
>
> > On 8 Jan 2018, at 03:24, dave wrote:
> > > https://books.google.com/books?id=JR-efIBvAH0C=PA274=PA274
> > >=CBN+reactivity=bl=0CGSHcznFj=9TIF2ZJpkruVX3kTTWtz3erG
> > >t74=en=X=0ahUKEwjU49rDssfYAhWk3oMKHSBEDrYQ6AEITzAG#v=onepag
> > >e=CBN%20reactivity=false
> > >
> > > Lots of information to dig thru!  If you go down far enough there
> > > are some comments on coolant for CBN.
> > >
> > > HTH
> > > Dave
> > >
> > > On 01/07/2018 03:19 PM, Stuart Stevenson wrote:
> > >> The carbon in the steel and the carbon in the diamond have an
> > >> affinity for one another.
> > >>
> > >> On Jan 7, 2018 11:56 AM, "Gene Heskett" 
> wrote:
> > >>> On Sunday 07 January 2018 11:54:58 andy pugh wrote:
> >  On 7 January 2018 at 16:27, Gene Heskett 
> wrote:
> > > But has anyone found a source of CBN wheels that don't start at
> > > $200 and go on up to triple digit prices?
> > 
> >  Try eBay
> >  https://www.ebay.co.uk/itm/361394049424
> > >>>
> > >>> Found that for $25 on the us site. But howintuncket do you search
> > >>> for a TTS style 20mm arbor? Thats the most busted search engine on
> > >>> the internet when a search for TTS returns about 100 slitting saw
> > >>> blades.
> > >>>
> > >>> Thanks Andy, I can use that I think. Worth a try even if I do have
> > >>> to make an arbor for it.
> > >>>
> > >>> 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 
> > >>>
> > >>> 
> > >>> --
> > >>> Check out the vibrant tech community on one of the world's most
> > >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > >>> ___
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> > >>> Emc-users@lists.sourceforge.net
> > >>> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >>
> > >> ---
> > >>--- Check out the vibrant tech community on one of the
> > >> world's most engaging tech sites, Slashdot.org!
> > >> http://sdm.link/slashdot
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> > >> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> > > 
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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 
>
> 

Re: [Emc-users] Potential 4th Axis

[Andrew]

2017-11-28 12:07 GMT+02:00 andy pugh:

> Spotted on eBay in the US, a more reasonably priced than usual harmonic
> drive:
> https://www.ebay.co.uk/itm/182931238612?ul_noapp=true
>
> This is the same as the one I used:
> http://bodgesoc.blogspot.de/2017/05/harmonic.html
>
> Full set https://www.ebay.com/itm/161123511773
Looks nice, has a lot of watchers )
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Re: [Emc-users] linuxcnc Add source code

[Nicklas Karlsson]

On Sun, 7 Jan 2018 19:14:03 +
andy pugh  wrote:

> On 7 January 2018 at 18:51, Nicklas Karlsson
>  wrote:
> 
> >> Just choose another driver that does get compiled (such as hal_motenc)
> >> and replicate all the same lines in the Makefile for your driver.
> >
> > Tried this but it does not compile while others do. I searched differences 
> > and there is some magic because my new file is not compiled while others 
> > are.
> 
> You need new entries in several parts of the makefile.

Yes three of them and a macro ...

I modified old driver and have been able to register an update function and it 
works!

This is running a lot smoother than I expected, just need to add code for 
ethernet and from soem then I should start to get real communication although 
with hardcoded configuration without pins.


Regards Nicklas Karlsson

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