Re: [Emc-users] Machine documentation: software, best practices

[Luis Bellot]

Hello,

for the wiring drwings I use QElectrotech, that can run over linux. Is not
the maximum but makes its job for simple drawings

Regards,

Luis Bellot


2013/4/16 Clint Washburn 

> currently I have been I the process of tracing all the wiring in my lathe.
>  For the moment I have been inputing all wires and terminations into a
> spreadsheet via notebook/tablet as I go. I have been wondering, what
> software free or paid do people use to generate the wiring diagrams like
> the ones you would get with a new machine tool?
>
> Thanks,
> Clint Washburn
>
> On Apr 16, 2013, at 5:48 AM, andy pugh  wrote:
>
> > On 16 April 2013 10:49, propcoder  wrote:
> >
> >> electronics (power, drivers, custom electronics with documentation and
> >> all datasheets, cabling, signals, computer,..)
> >
> > I don't do anything for anyone other than myself, but I would be lost
> > without the wiring details. (and it really needs to be down to the
> > level of pin numbers in every connector, and the wire colours between
> > them)
> >
> > It would be nice to be able to generate a nice HAL diagram, and there
> > have been various ways to do that suggested, but I am not sure any
> > have been shown to work properly.
> >
> > --
> > atp
> > If you can't fix it, you don't own it.
> > http://www.ifixit.com/Manifesto
> >
> >
> --
> > Precog is a next-generation analytics platform capable of advanced
> > analytics on semi-structured data. The platform includes APIs for
> building
> > apps and a phenomenal toolset for data science. Developers can use
> > our toolset for easy data analysis & visualization. Get a free account!
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>
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Re: [Emc-users] 5 micron linear scales good enough to replace servo encoders?

[andy pugh]

On 17 April 2013 04:37, Gregg Eshelman  wrote:
> Would a 0.0002" or 0.5" resolution linear magnetic scale be good enough 
> to use instead of a servo encoder?

> The old Anilam Crusader M system uses tachometers and glass scales so any 
> reason LinuxCNC couldn't use magnetic scales of higher resolution?

Is there any reason LinuxCNC couldn't use tachometers and glass scales?

If the tachos go direct to velocity-mode drives then LinuxCNC doesn't
even need to know about them. But there is no fundamental reason why
LinuxCNC can't run a separate velocity loop and position loop given
accurate-enough bipolar analogue inputs. The Mesa 7i87 has 12 bits of
resolution, I wonder if that would be enough?


-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] sweet little lathe

[Mark Wendt]

On Tue, Apr 16, 2013 at 4:52 PM, Stuart Stevenson  wrote:

> Gentlemen,
>   The price is right (right now). This auction has two days left. I am sure
> the price will go up but I don't know how much.
>
> For your consideration
>
> http://www.go-dove.com/en/event-17197/lot-3001/Servo-Products-Hardinge-M-8001-CNC-Mini-Lathe
>
> have fun
> Stuart
>
> --
> dos centavos
>


Where's the rest of it?  ;-)

Mark
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[Emc-users] Plastic button routing

[Erik Friesen]

I am routing some lettering on some small plastic buttons with a .020 ball
nose feeding at 15 ipm.  I am using vcarve pro to create the lettering,
using Norm West 1L, or a single line font.  I am using create profile, on,
to route the line, and doing two passes, one conventional, one climb, in an
attempt to minimize the plastic from leaving a curled edge on the cut.  It
isn't working well enough.  Really, I need to be cutting this as a vector
that is .001" wide, and routing it all conventional, as I think this would
fix the edge problem.  Not sure how to get there with Vcarve pro though.
 Any other suggestions out there?
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Re: [Emc-users] Machine documentation: software, best practices

[Ed Nisley]

On 04/16/2013 07:53 PM, Gene Heskett wrote:
> That long?

Back in the day, when the usual group met at a friend's house for 
burgers and car fixin', that was his standard warranty. He also had a 
caveat: while he was willing to help you fix anything, you couldn't 
complain if you took some leftover parts home in a brown paper bag.

A good time was had by all...

-- 
Ed
softsolder.com

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Re: [Emc-users] sweet little lathe

[Stuart Stevenson]

http://www.go-dove.com/en/event-17197/lot-1048/Bridgeport-EZ-path-CNC-Programmable-Lathe

There is more to this one.
This one was just over 1000.00 yesterday and the reserve was met.
It will be interesting to see what it sells for.



On Wed, Apr 17, 2013 at 4:37 AM, Mark Wendt  wrote:

> On Tue, Apr 16, 2013 at 4:52 PM, Stuart Stevenson 
> wrote:
>
> > Gentlemen,
> >   The price is right (right now). This auction has two days left. I am
> sure
> > the price will go up but I don't know how much.
> >
> > For your consideration
> >
> >
> http://www.go-dove.com/en/event-17197/lot-3001/Servo-Products-Hardinge-M-8001-CNC-Mini-Lathe
> >
> > have fun
> > Stuart
> >
> > --
> > dos centavos
> >
>
>
> Where's the rest of it?  ;-)
>
> Mark
>
> --
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
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> https://lists.sourceforge.net/lists/listinfo/emc-users
>



-- 
dos centavos
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Re: [Emc-users] Plastic button routing

[Marcus Bowman]

Are you creating it in VCarve Pro by using the Quick Engrave tool or the VCarve 
tool?

Regards,

Marcus



On 17 Apr 2013, at 12:14, Erik Friesen wrote:

> I am routing some lettering on some small plastic buttons with a .020 ball
> nose feeding at 15 ipm.  I am using vcarve pro to create the lettering,
> using Norm West 1L, or a single line font.  I am using create profile, on,
> to route the line, and doing two passes, one conventional, one climb, in an
> attempt to minimize the plastic from leaving a curled edge on the cut.  It
> isn't working well enough.  Really, I need to be cutting this as a vector
> that is .001" wide, and routing it all conventional, as I think this would
> fix the edge problem.  Not sure how to get there with Vcarve pro though.
> Any other suggestions out there?
> --
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
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> https://lists.sourceforge.net/lists/listinfo/emc-users


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Re: [Emc-users] sweet little lathe

[Ralph Stirling]

The original Hardinge (probably an HSL-59) was
a "second op lathe" or "speed lathe" typically used for things
like removing the nub left over from parting.  The Servo
CNC put a little X-Z gang tool slide on it.

It would be perfect for doing the second op (and even
the first op) on an 8mm x 3.5mm diameter steel part
I'll be making in the 100's.

Here are some vid's of these lathes in action:
http://www.youtube.com/watch?v=eOcb9ql4XP4
http://www.youtube.com/watch?v=OEq9B7AEWhs

-- Ralph

From: Gregg Eshelman [g_ala...@yahoo.com]
Sent: Tuesday, April 16, 2013 10:51 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] sweet little lathe

--- On Tue, 4/16/13, Jon Elson  wrote:

> >   The price is right (right now). This
> auction has two days left. I am sure
> > the price will go up but I don't know how much.
> >
> > For your consideration
> > http://www.go-dove.com/en/event-17197/lot-3001/Servo-Products-Hardinge-M-8001-CNC-Mini-Lathe
> >
> >   
> YIKES!  Hardinge and $150 rarely go together in the
> same sentence!

Looks like someone sawed the left 1/3 off a lathe. I've seen several similar 
stubby lathes for sale in various places, but never that cheap.

If you happen to have a use for less than half a lathe... ;)
--
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Re: [Emc-users] Machine documentation: software, best practices

[Gene Heskett]

On Wednesday 17 April 2013 10:36:42 Ed Nisley did opine:

> On 04/16/2013 07:53 PM, Gene Heskett wrote:
> > That long?
> 
> Back in the day, when the usual group met at a friend's house for
> burgers and car fixin', that was his standard warranty. He also had a
> caveat: while he was willing to help you fix anything, you couldn't
> complain if you took some leftover parts home in a brown paper bag.
> 
> A good time was had by all...

Chuckle.  Sounds like my kind of people, Ed.

But because I have the brown paper bag (actually a 50 cal BP rifle that I 
made a whole new bolt and firing pin assembly for) I put together Monday 
that I can't take apart for a photo record Tuesday, Wednesday will be spent 
making a .051" allen wrench, turns out the one I have that came out of a 
plastic pocket labeled .050, was actually .048, small enough to muck up the 
sockets in some hardened alloy 0-80 cap screws.

But if I feed it the right bullets, a 300 Gr HPBT swaged and saboted in 
Canada, 80 gr of BH209 & a CCI 209M primer, 3 of the last 5 shots yesterday 
went in one ragged hole, with the chrono showing just shy of 1500 fps 
average.  I enjoy making a $200 sows ear in a plastic stock get all dressed 
up in some nicely figured maple with cherry caps, thumbhole style of 
course, looking good enough to get the ohhs and ahhs at the range, and 
shoot as well as I can.  I think I'll keep it. :)

Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page:  is up!
My views 

Nowlan's Theory:
He who hesitates is not only lost, but several miles from
the next freeway exit.
A pen in the hand of this president is far more
dangerous than a gun in the hands of 200 million
  law-abiding citizens.

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Re: [Emc-users] sweet little lathe

[Gene Heskett]

On Wednesday 17 April 2013 10:58:53 Stuart Stevenson did opine:

> http://www.go-dove.com/en/event-17197/lot-1048/Bridgeport-EZ-path-CNC-Pr
> ogrammable-Lathe
> 
> There is more to this one.
> This one was just over 1000.00 yesterday and the reserve was met.
> It will be interesting to see what it sells for.
> 
Up to 1690 when I just looked. Whats it weigh says he to no one in 
particular.

> On Wed, Apr 17, 2013 at 4:37 AM, Mark Wendt  wrote:
> > On Tue, Apr 16, 2013 at 4:52 PM, Stuart Stevenson 
> > 
> > wrote:
> > > Gentlemen,
> > > 
> > >   The price is right (right now). This auction has two days left. I
> > >   am
> > 
> > sure
> > 
> > > the price will go up but I don't know how much.
> > > 
> > > For your consideration
> > 
> > http://www.go-dove.com/en/event-17197/lot-3001/Servo-Products-Hardinge
> > -M-8001-CNC-Mini-Lathe
> > 
> > > have fun
> > > Stuart
> > > 
> > > --
> > > dos centavos
> > 
> > Where's the rest of it?  ;-)
> > 
> > Mark
> > 
> > --
> >  Precog is a next-generation analytics platform capable of
> > advanced analytics on semi-structured data. The platform includes
> > APIs for building apps and a phenomenal toolset for data science.
> > Developers can use our toolset for easy data analysis &
> > visualization. Get a free account!
> > http://www2.precog.com/precogplatform/slashdotnewsletter
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page:  is up!
My views 

It is very difficult to prophesy, especially when it pertains to the 
future.
A pen in the hand of this president is far more
dangerous than a gun in the hands of 200 million
  law-abiding citizens.

--
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analytics on semi-structured data. The platform includes APIs for building
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Re: [Emc-users] Plastic button routing

[Tom Penner]

Send me the artwork and I will run it through EnRoute, which can handle 3D
engraving on a curved surface much better. Depending on the plastic you
will probably be happier with an engraving tool with a small tip (.001 or
.005 need to see the artwork) That tip gives you a little rotation to
actually cut the material rather than rub and melt.
I will also need the spec on the shape of the button as I will create a 3d
surface to match that EnRoute will follow when creating the engrave
toolpath.

Thos.


On Wed, Apr 17, 2013 at 7:14 AM, Erik Friesen  wrote:

> I am routing some lettering on some small plastic buttons with a .020 ball
> nose feeding at 15 ipm.  I am using vcarve pro to create the lettering,
> using Norm West 1L, or a single line font.  I am using create profile, on,
> to route the line, and doing two passes, one conventional, one climb, in an
> attempt to minimize the plastic from leaving a curled edge on the cut.  It
> isn't working well enough.  Really, I need to be cutting this as a vector
> that is .001" wide, and routing it all conventional, as I think this would
> fix the edge problem.  Not sure how to get there with Vcarve pro though.
>  Any other suggestions out there?
>
> --
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> ___
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> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
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Re: [Emc-users] KUKA!!

[Sven Wesley]

2013/4/16 andy pugh 
>
>
> Also slightly strange to see manual assembly and spray-painting of the
> robots.
>
>
Exactly! Factories uses robots for painting, but not Kuka! Weird, they
don't even have to buy the robots...

LinuxCNC in the good ol' EMC2 days has been used for several robots.
Alex made one for example. http://www.youtube.com/watch?v=TLxwAX8G3oI
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Re: [Emc-users] 5 micron linear scales good enough to replace servo encoders?

[Jon Elson]

Gregg Eshelman wrote:
> Would a 0.0002" or 0.5" resolution linear magnetic scale be good enough 
> to use instead of a servo encoder?
>
> Still trying to get the guy with the Acra mill in need of a bunch of TLC to 
> sell it for what it's worth as-is, not for what it'd be worth if it was in 
> working order?
>
> The old Anilam Crusader M system uses tachometers and glass scales so any 
> reason LinuxCNC couldn't use magnetic scales of higher resolution?
>
>   
Velocity servo systems with low-resolution encoders can work well, but have
limited stiffness.  Systems without tach feedback need higher resolution 
encoders
to get good results. .0002" resolution is pretty marginal, 50 uInch 
resolution
is a lot better, but still a little marginal without the tach feedback.  
The other
concern is that you can't tune the servo response properly if there is 
much backlash
between the motor and the linear scale.  So, if the backlash is greater 
than just
a few encoder counts, the system will vibrate badly.  Getting the 
backlash down
to 50 uInch or less is going to be REAL difficult.

Jon

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Re: [Emc-users] 5 micron linear scales good enough to replace servo encoders?

[Jon Elson]

andy pugh wrote:
> Is there any reason LinuxCNC couldn't use tachometers and glass scales?
>
> If the tachos go direct to velocity-mode drives then LinuxCNC doesn't
> even need to know about them. But there is no fundamental reason why
> LinuxCNC can't run a separate velocity loop and position loop given
> accurate-enough bipolar analogue inputs. The Mesa 7i87 has 12 bits of
> resolution, I wonder if that would be enough?
>   
Sure.  The problem with backlash/spring between the motor and linear
motion still stands.  Tachs on the motor will help stabilize the hunting
behavior.

I did some tests when I made my original analog servo amps.  I wanted to
see how slow it could go before motion started to break up into stick/slip.
I got down to .01 IPM, where the tach voltage was calculated to be
7 micro-Volts!  (I couldn't measure that.)  I don't think a 12 bit ADC
could handle that.  I am using 16-bit DACs to sent the velocity command
to the servo amps.  But, the tach would need a dynamic range of nearly
1 million to one to cover the full range of velocities, not even a 16-bit
ADC would suffice.  The ADC resolution would set a minimum
velocity that would be recognized.  It would probably be better to
derive velocity from a high-resolution encoder than trying to
digitize a tach voltage.  This is what Fanuc has been doing for almost
30 years, now.

Jon

Jon


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Re: [Emc-users] 5 micron linear scales good enough to replace servo encoders?

[andy pugh]

On 17 April 2013 17:58, Jon Elson  wrote:

> the tach would need a dynamic range of nearly
> 1 million to one to cover the full range of velocities, not even a 16-bit
> ADC would suffice.

True, though I guess you could use some sort of logarithmic amplifier,
and a software conversion. I don't even know if such things exist.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] Plastic button routing

[Erik Friesen]

I wrote my own script to handle the curved surface.  I wrote a custom post
processor for this as well, it works well enough for the button curve.

I am using the Create Vector tool within vcarve.

This is getting infilled with black enamel, and cleaned once dry with
Naptha.

I did a number of these with a .015 tip, they plug with plastic and break.
 I suppose a v bit could work, but I think managing the cut width would be
troublesome.  The way I am doing this currently, the width of the cut is
the font trace width.  If there was a way to trace .001 on the outside of
the letter vector, it would work great.

The button ellipse is 0.600" x 0.315"

www.aercon.net/Public/SANY0523.JPG
www.aercon.net/Public/SANY0522.JPG


On Wed, Apr 17, 2013 at 9:14 AM, Tom Penner  wrote:

> Send me the artwork and I will run it through EnRoute, which can handle 3D
> engraving on a curved surface much better. Depending on the plastic you
> will probably be happier with an engraving tool with a small tip (.001 or
> .005 need to see the artwork) That tip gives you a little rotation to
> actually cut the material rather than rub and melt.
> I will also need the spec on the shape of the button as I will create a 3d
> surface to match that EnRoute will follow when creating the engrave
> toolpath.
>
> Thos.
>
>
> On Wed, Apr 17, 2013 at 7:14 AM, Erik Friesen  wrote:
>
> > I am routing some lettering on some small plastic buttons with a .020
> ball
> > nose feeding at 15 ipm.  I am using vcarve pro to create the lettering,
> > using Norm West 1L, or a single line font.  I am using create profile,
> on,
> > to route the line, and doing two passes, one conventional, one climb, in
> an
> > attempt to minimize the plastic from leaving a curled edge on the cut.
>  It
> > isn't working well enough.  Really, I need to be cutting this as a vector
> > that is .001" wide, and routing it all conventional, as I think this
> would
> > fix the edge problem.  Not sure how to get there with Vcarve pro though.
> >  Any other suggestions out there?
> >
> >
> --
> > Precog is a next-generation analytics platform capable of advanced
> > analytics on semi-structured data. The platform includes APIs for
> building
> > apps and a phenomenal toolset for data science. Developers can use
> > our toolset for easy data analysis & visualization. Get a free account!
> > http://www2.precog.com/precogplatform/slashdotnewsletter
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> >
>
> --
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> ___
> Emc-users mailing list
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> https://lists.sourceforge.net/lists/listinfo/emc-users
>
--
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
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