Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Dave Cole
WhoaThat's a body blow to the Mach3 camp.

The article they wanted:  Migrating from Mach3 to Mach4   :-)

The article they got:  Migrating from Mach3 to LinuxCNC...:-(

Dave

On 10/18/2014 8:52 PM, Jack Coats wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).

 In case someone wants to check it out.  I haven't read it yet.

 Just thought someone might be interested.

  ... Jack
 Whatever you do, work at it with all your heart... Colossians 3:23
 Anyone who has never made a mistake, has never tried anything new. -
 Albert Einstein
 You don't manage people; you manage things. You lead people. -
 Admiral Grace Hopper, USN
 Tell me and I forget. Teach me and I remember. Involve me and I
 learn. - Ben Franklin

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Bruce Layne
I'm always trying to nudge my friends and YouTube garage machining 
buddies to adopt LinuxCNC.  It's good natured, but I am serious.  I 
notice reluctance on their part, but I try to reassure them by telling 
them, at this point, I really don't see how Mach could be any easier to 
install and configure.  Other than sending a free technician to do it 
for you, it's about as easy as it gets.  But there still seems to be 
some hesitation.  They seem to regard me as the siren of Greek 
mythology, trying to entice their ship onto the rocks.

Last week, a friend's hard drive crashed on his mill and he spent most 
of the week getting it running again, and most of that of course was 
Windows and Mach.  I told him that I routinely backup the small LinuxCNC 
folder by dragging it to a USB thumb drive.  That contains all of my 
machine configuration files and all of my G code.  If my hard drive 
died, I'd plug in a new one, pop in the Ubuntu/LinuxCNC thumb drive and 
reinstall everything in a few minutes, then drag the old LinuxCNC folder 
to the new hard drive and Bob's your uncle.  I'm making chips.  Tell me 
again how Linux is too geeky complicated and Mach and Windows is so easy?

There are plenty of people who genuinely like Mach and do a lot of free 
advertising for them, including hardware manufacturers who say things 
like, No matter what you start with, you'll end up using Mach.  But 
for each of these Mach cheerleaders, there seem to be a person on the 
serious side of hobby machining, typically people who started with CNC 
as a hobby who are now doing KickStarter manufacturing, opening small 
town machine shops, etc., and they started with Mach but seem unhappy 
with it.  They're the Mach captives.  They use Mach, including the more 
advanced features, but they make disparaging comments.  I watch their 
YouTube videos and they say, Well, I went back out to the shop and Mach 
had crashed again.  Big surprise.  But these captives seem to be 
suffering from the CNC version of Stockholm Syndrome.  They're 
sympathizing with their captors.  When I suggest how easy it'd be to 
swap hard drives and install LinuxCNC and use the same hardware, (and 
I've even volunteered to do it for them) and if they didn't like it they 
could put the old hard drive back in and not miss a thing, they mumble a 
bit and change the subject.  Typically, their little CNC machine shipped 
with Mach and they're afraid to wander off the reservation.

Here's a partial summary of the issue of Digital Machinist that Jack 
mentioned:

http://www.digitalmachinist.net/comingsoon/contents/view

There's an article in there (that I haven't read) about using LED ring 
lights for spindle mounted workpiece lighting.  I bought a very nice 
Aluminator 2.0 LED ring light on eBay on August 30th that's made to 
magnetically attach to the spindle.  It's very nice and well worth the 
US$125 on my milling machine.  My old eyes need all the light I can get.

www.ebay.com/itm/400759473641

On October 7th, I bought an 80mm Angel Eyes LED ring light on eBay for 
US$11 that's marketed as accent lighting to surround an automotive 
headlight.  It requires half an amp at 12 volts and it will require a 
bit of redneck engineering (I'm thinking 3M VHB double sided foam tape, 
or I may machine a PVC housing) to attach to the 80mm water cooled 
spindle motor on my CNC router.

http://www.ebay.com/itm/281435821348





On 10/19/2014 09:00 AM, Dave Cole wrote:
 WhoaThat's a body blow to the Mach3 camp.

 The article they wanted:  Migrating from Mach3 to Mach4   :-)

 The article they got:  Migrating from Mach3 to LinuxCNC...:-(

 Dave

 On 10/18/2014 8:52 PM, Jack Coats wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the 
 title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).

 In case someone wants to check it out.  I haven't read it yet.

 Just thought someone might be interested.

  ... Jack
 Whatever you do, work at it with all your heart... Colossians 3:23
 Anyone who has never made a mistake, has never tried anything new. -
 Albert Einstein
 You don't manage people; you manage things. You lead people. -
 Admiral Grace Hopper, USN
 Tell me and I forget. Teach me and I remember. Involve me and I
 learn. - Ben Franklin

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Dave Caroline
I would say the migration has started. I went to the UK Midlands Model
Engineer Show on Friday. instead of a few users showing Mach there was
only one and he was dual booting to linuxcnc to show threading.
Another had a small gantry with linuxcnc

An improvement on previous years.

Dave Caroline

On 19/10/2014, Bruce Layne linux...@thinkingdevices.com wrote:
 I'm always trying to nudge my friends and YouTube garage machining
 buddies to adopt LinuxCNC.  It's good natured, but I am serious.  I
 notice reluctance on their part, but I try to reassure them by telling
 them, at this point, I really don't see how Mach could be any easier to
 install and configure.  Other than sending a free technician to do it
 for you, it's about as easy as it gets.  But there still seems to be
 some hesitation.  They seem to regard me as the siren of Greek
 mythology, trying to entice their ship onto the rocks.

 Last week, a friend's hard drive crashed on his mill and he spent most
 of the week getting it running again, and most of that of course was
 Windows and Mach.  I told him that I routinely backup the small LinuxCNC
 folder by dragging it to a USB thumb drive.  That contains all of my
 machine configuration files and all of my G code.  If my hard drive
 died, I'd plug in a new one, pop in the Ubuntu/LinuxCNC thumb drive and
 reinstall everything in a few minutes, then drag the old LinuxCNC folder
 to the new hard drive and Bob's your uncle.  I'm making chips.  Tell me
 again how Linux is too geeky complicated and Mach and Windows is so easy?

 There are plenty of people who genuinely like Mach and do a lot of free
 advertising for them, including hardware manufacturers who say things
 like, No matter what you start with, you'll end up using Mach.  But
 for each of these Mach cheerleaders, there seem to be a person on the
 serious side of hobby machining, typically people who started with CNC
 as a hobby who are now doing KickStarter manufacturing, opening small
 town machine shops, etc., and they started with Mach but seem unhappy
 with it.  They're the Mach captives.  They use Mach, including the more
 advanced features, but they make disparaging comments.  I watch their
 YouTube videos and they say, Well, I went back out to the shop and Mach
 had crashed again.  Big surprise.  But these captives seem to be
 suffering from the CNC version of Stockholm Syndrome.  They're
 sympathizing with their captors.  When I suggest how easy it'd be to
 swap hard drives and install LinuxCNC and use the same hardware, (and
 I've even volunteered to do it for them) and if they didn't like it they
 could put the old hard drive back in and not miss a thing, they mumble a
 bit and change the subject.  Typically, their little CNC machine shipped
 with Mach and they're afraid to wander off the reservation.

 Here's a partial summary of the issue of Digital Machinist that Jack
 mentioned:

 http://www.digitalmachinist.net/comingsoon/contents/view

 There's an article in there (that I haven't read) about using LED ring
 lights for spindle mounted workpiece lighting.  I bought a very nice
 Aluminator 2.0 LED ring light on eBay on August 30th that's made to
 magnetically attach to the spindle.  It's very nice and well worth the
 US$125 on my milling machine.  My old eyes need all the light I can get.

 www.ebay.com/itm/400759473641

 On October 7th, I bought an 80mm Angel Eyes LED ring light on eBay for
 US$11 that's marketed as accent lighting to surround an automotive
 headlight.  It requires half an amp at 12 volts and it will require a
 bit of redneck engineering (I'm thinking 3M VHB double sided foam tape,
 or I may machine a PVC housing) to attach to the 80mm water cooled
 spindle motor on my CNC router.

 http://www.ebay.com/itm/281435821348





 On 10/19/2014 09:00 AM, Dave Cole wrote:
 WhoaThat's a body blow to the Mach3 camp.

 The article they wanted:  Migrating from Mach3 to Mach4   :-)

 The article they got:  Migrating from Mach3 to LinuxCNC...:-(

 Dave

 On 10/18/2014 8:52 PM, Jack Coats wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the
 title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).

 In case someone wants to check it out.  I haven't read it yet.

 Just thought someone might be interested.

  ... Jack
 Whatever you do, work at it with all your heart... Colossians 3:23
 Anyone who has never made a mistake, has never tried anything new. -
 Albert Einstein
 You don't manage people; you manage things. You lead people. -
 Admiral Grace Hopper, USN
 Tell me and I forget. Teach me and I remember. Involve me and I
 learn. - Ben Franklin

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread John Alexander Stewart
Ah! But, was the author successful? (have to wait for my copy to arrive so
that I can find out!)

You (meaning, all of us) must remember that many people are either 1) low
on the computer knowledge scale, or 2) reluctant to change.

I think most/all of us here are able to think out of the box, but others
are not.

Windows still has a strangle hold on desktop computing, even though
Microsoft is nowhere to be seen in the mobile field. For the first time
since 1996, I'm getting a windows desktop at work; Microsoft still has a
stranglehold on corporate/government offices.

JohnS
​
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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread pc
Way back when I started in on home CNC, I did a trial between Mach3 and EMC 
(pre-EMC2/LinuxCNC days), and Mach3 won resoundingly for it's vastly better 
fit and finish and useabiliy. Today I'm starting in with LinuxCNC again on a 
lathe conversion and eventually a conversion on a CNC mill with a proper 
commercial control. While I'm finding LinuxCN vastly improved from the EMC 
days, it is still behind Mach3 in terms of fit and finish as well as 
documentation (terrible documentation seems to be the bane of all things Linux).

I think there will be two drivers to a shift from Mach3 to LinuxCNC if one does 
occur, and those will be:

1. General hate for Win8. Win XP, 2K and 7 were fine, 8 is an absolute POS.

2. Better hardware available to work with LinuxCNC, notably the Mesa boards. We 
still need to get away from reliance on ever changing system slots and to USB 
or Ethernet linked motion controllers though.

What will not be a driver of any switch is fit and finish as LinuxCNC still 
lags Mach3 in this area. Indeed I have read posts in the LinuxCNC world with 
people extolling how they don't want LinuxCNC to look like a commercial CNC 
control which is mind boggling since the commercial controls have evolved far 
longer than LinuxCNC and set the standard in UI for machinists.


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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Lester Caine
On 19/10/14 16:14, John Alexander Stewart wrote:
 Windows still has a strangle hold on desktop computing, even though
 Microsoft is nowhere to be seen in the mobile field. For the first time
 since 1996, I'm getting a windows desktop at work; Microsoft still has a
 stranglehold on corporate/government offices.

My laptop with the CAD/CAM on is still W7, but for the last couple of
months it has had a problem with 'updates' and while some are now
getting through, I can't run update manually. As a result I've been
looking at the Linux alternatives, and things like FreeCAD, LibreCAD and
since I'm also on PCB layout, KiCAD are pushing to be usable
replacements. Since the rest of my desktop has been Linux for many years
it's a refreshing change!

Started to document the change
http://medw.co.uk/wiki/Living+with+CAD-CAM+today

-- 
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk
Rainbow Digital Media - http://rainbowdigitalmedia.co.uk

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Gene Heskett
On Sunday 19 October 2014 10:22:07 Bruce Layne did opine
And Gene did reply:
 I'm always trying to nudge my friends and YouTube garage machining
 buddies to adopt LinuxCNC.  It's good natured, but I am serious.  I
 notice reluctance on their part, but I try to reassure them by telling
 them, at this point, I really don't see how Mach could be any easier to
 install and configure.  Other than sending a free technician to do it
 for you, it's about as easy as it gets.  But there still seems to be
 some hesitation.  They seem to regard me as the siren of Greek
 mythology, trying to entice their ship onto the rocks.
 
 Last week, a friend's hard drive crashed on his mill and he spent most
 of the week getting it running again, and most of that of course was
 Windows and Mach.  I told him that I routinely backup the small
 LinuxCNC folder by dragging it to a USB thumb drive.  That contains
 all of my machine configuration files and all of my G code.  If my
 hard drive died, I'd plug in a new one, pop in the Ubuntu/LinuxCNC
 thumb drive and reinstall everything in a few minutes, then drag the
 old LinuxCNC folder to the new hard drive and Bob's your uncle.  I'm
 making chips.  Tell me again how Linux is too geeky complicated and
 Mach and Windows is so easy?
 
 There are plenty of people who genuinely like Mach and do a lot of free
 advertising for them, including hardware manufacturers who say things
 like, No matter what you start with, you'll end up using Mach.  But
 for each of these Mach cheerleaders, there seem to be a person on the
 serious side of hobby machining, typically people who started with CNC
 as a hobby who are now doing KickStarter manufacturing, opening small
 town machine shops, etc., and they started with Mach but seem unhappy
 with it.  They're the Mach captives.  They use Mach, including the more
 advanced features, but they make disparaging comments.  I watch their
 YouTube videos and they say, Well, I went back out to the shop and
 Mach had crashed again.  Big surprise.  But these captives seem to be
 suffering from the CNC version of Stockholm Syndrome.  They're
 sympathizing with their captors.  When I suggest how easy it'd be to
 swap hard drives and install LinuxCNC and use the same hardware, (and
 I've even volunteered to do it for them) and if they didn't like it
 they could put the old hard drive back in and not miss a thing, they
 mumble a bit and change the subject.  Typically, their little CNC
 machine shipped with Mach and they're afraid to wander off the
 reservation.
 
 Here's a partial summary of the issue of Digital Machinist that Jack
 mentioned:
 
 http://www.digitalmachinist.net/comingsoon/contents/view
 
 There's an article in there (that I haven't read) about using LED ring
 lights for spindle mounted workpiece lighting.  I bought a very nice
 Aluminator 2.0 LED ring light on eBay on August 30th that's made to
 magnetically attach to the spindle.  It's very nice and well worth the
 US$125 on my milling machine.  My old eyes need all the light I can
 get.
 
 www.ebay.com/itm/400759473641
 
 On October 7th, I bought an 80mm Angel Eyes LED ring light on eBay for
 US$11 that's marketed as accent lighting to surround an automotive
 headlight.  It requires half an amp at 12 volts and it will require a
 bit of redneck engineering (I'm thinking 3M VHB double sided foam tape,
 or I may machine a PVC housing) to attach to the 80mm water cooled
 spindle motor on my CNC router.
 
 http://www.ebay.com/itm/281435821348
 
I went to his store but the smallest was a 60mm, still too big, need 
about 40mm maximum on my toy mill.  But 2 of them for 18.95 USD seems like 
a heck of a deal.  Available either in the exaggerated warm white, or in 
blue heavy white.  In my case, a 20mm would be better than the leds in the 
endoscopy camera I have on the mill. That would get the light farther off 
axis and reduce the specular reflections that rather effectively blind it 
when searching for a target scratch. The leds in it are on about a 5mm 
circle surrounding the camera lens.  That is effectively the same as 
holding the flashlight rear end on your nose when surveying your real 
estate for eyes looking back at you in the bush after dark.

If the reflection is red, only 2 candidates, a Siamese cat, or a human.  
Act accordingly if its human  doesn't belong there.

[...]

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 http://geneslinuxbox.net:6309/gene
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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Re: [Emc-users] Emc-users Digest, Vol 102, Issue 54

2014-10-19 Thread C. SB
 sympathizing with their captors.  When I suggest how easy it'd be to 
 swap hard drives and install LinuxCNC and use the same hardware,

I need to violently disagree with this. On my setup, swapping drives
has been pure hell. With lava and everything.

First HDD (80GB IDE) had a DMA bug that caused 10ms latency jitter.
  - Unfixable because newer libata doesn't work with hdparm anymore !
Second HDD (4GB IDE): tried copying setup from first HDD, but got
  tangled in a mess of UUID mismatch and root not found errors.
  - Had to reinstall from scratch.
Third HDD (2TB SATA), brand new, isn't detected by all 3.x linux
  kernels I've tried (thanks, libata). To add insult to injury, winXP
  detects it just fine.
So I'm back to HDD #2. I'm not going to try to see how much time I've
wasted on this. I'm not even done yet.


When I recommend linuxCNC (I do), I never, ever mention swapping HDDs.
What I do mention is:
- incredibly excellent docs compared to Mach
- very coherent config (.ini, .hal, .xml : one directory)

CSB

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Re: [Emc-users] Emc-users Digest, Vol 102, Issue 54

2014-10-19 Thread Gene Heskett
On Sunday 19 October 2014 13:35:15 C. SB did opine
And Gene did reply:
  sympathizing with their captors.  When I suggest how easy it'd be to
  swap hard drives and install LinuxCNC and use the same hardware,
 
 I need to violently disagree with this. On my setup, swapping drives
 has been pure hell. With lava and everything.
 
 First HDD (80GB IDE) had a DMA bug that caused 10ms latency jitter.
   - Unfixable because newer libata doesn't work with hdparm anymore !
 Second HDD (4GB IDE): tried copying setup from first HDD, but got
   tangled in a mess of UUID mismatch and root not found errors.
   - Had to reinstall from scratch.
 Third HDD (2TB SATA), brand new, isn't detected by all 3.x linux
   kernels I've tried (thanks, libata). To add insult to injury, winXP
   detects it just fine.
 So I'm back to HDD #2. I'm not going to try to see how much time I've
 wasted on this. I'm not even done yet.
 
I can tell a different story. I bought a 3 drive sata cage from an online 
vendor 2 or 3 years back, $70 at the time, and actually have 4 1Tb drives 
in this machine.

I use one for vtapes backups with amanda, a second has a new install of 
12.04 LTS on it, the third one had the last pre-ubuntu (pcLOS) install on 
it, basically so I can maintain continuity, currently booted to 10.04.4 
LTS, but a quick shut down, and an interchange of the upper 2 drives in 
that cage, accomplished by opening the doors and swapping their positions, 
and I can reboot to 12.04 LTS.

That 2Tb sata is more than likely a 4kb sector drive, and the kernel you 
are using doesn't have that extension enabled, or your mobo hardware is 
too old.  But 4k drive hardware has been available for quite a while, my 
now elderly ASUS M2N-SLI Deluxe I bought as soon as the AMD Phenoms came 
out, (2007?) works just fine because one of my 1Tb drives is a 4k sector 
drive.  Its so transparent I wasn't even aware of it till I noticed it 
said so on the white drive label one day while swapping them around.

The IDE interface can wreck your latency figures, mine got immediately 
better with the switch to sata.
 
 When I recommend linuxCNC (I do), I never, ever mention swapping HDDs.
 What I do mention is:
 - incredibly excellent docs compared to Mach
 - very coherent config (.ini, .hal, .xml : one directory)
 
 CSB
 
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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 http://geneslinuxbox.net:6309/gene
US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Bruce Layne

On 10/19/2014 11:39 AM, p...@wpnet.us wrote:

 What will not be a driver of any switch is fit and finish as LinuxCNC still 
 lags Mach3 in this area.

Like all matters of aesthetics, user interface appearance is very 
subjective.  However, I consider the LinuxCNC user interface to be 
vastly superior to Mach 3.  Whenever I see Mach 3, the graphical 
interface looks clunky with very jaggy edges on the buttons and a very 
low-res look.  I also think the bright primary colors lack a 
professional appearance although I suppose the colorful screen looks 
friendly to many Mach users, in much the same way that DON'T PANIC 
boldly emblazoned on the cover of The Hitchhiker's Guide To The Galaxy 
increases its consumer appeal.  To me, the colorful low resolution 
interface looks like educational software for pre-school children, circa 
1986.

Mach is a very successful product, and I'm too much of a defender of 
free market capitalism to begrudge them their success.  They are clearly 
satisfying a significant portion of the hobbyist and low-end 
professional CNC market, and more power to them.  I don't get it, but I 
don't need to get it.

LinuxCNC doesn't look the same as many of the modern commercial CNC 
controllers from the big name machine manufacturers, but it looks 
similar to me.  I love the graphical representation of the tool path.  
It does everything I need, and if I need anything else, I'm free to roll 
up my sleeves and start coding.

With the ready availability of very low cost small commercial milling 
machines on the used market in this down economy (at least in the US) 
and the ease of installing and configuring LinuxCNC, I'm not sure how 
some of the manufacturers of $10,000 to $20,000 Mach based stepper motor 
driven machines are selling their products.  I know people just starting 
out want a turn key solution with that new machine smell, but it looks 
like the market would spontaneously generate a few businesses that 
specialized in buying used machines in good mechanical condition with 
outdated or blown controls, cleaning them up, giving them a new coat of 
epoxy paint, installing LinuxCNC with readily available interface and 
drive electronics, and selling these much more capable machines for less 
than a new hobby machine... complete with delivery, setup, and two hours 
of training.



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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread andy pugh
On 19 October 2014 01:52, Jack Coats j...@coats.org wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).

I wonder why anyone would want to?
By which I mean, if you have a working, paid for Mach3 installation
running a machine and making parts, why would you throw it all up in
the air to change to some different (and approximately equivalent)
software?

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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Dave Cole
On 10/19/2014 3:19 PM, andy pugh wrote:
 On 19 October 2014 01:52, Jack Coats j...@coats.org wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the 
 title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).
 I wonder why anyone would want to?
 By which I mean, if you have a working, paid for Mach3 installation
 running a machine and making parts, why would you throw it all up in
 the air to change to some different (and approximately equivalent)
 software?

I would assume that he ran into some issues with Mach3 and decided to 
move to LinuxCNC.
It is not difficult to find issues with Mach3 that are hard or 
impossibile to resolve.

I was starting to feel bad for the Mach3 camp, then I saw that there are 
two other articles in the magazine that are about Mach3.

Dave





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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Jack Coats
I agree.

If you have problems with Mach, for whatever reasons, LinuxCNC is a
great, low cost, experiment before tossing more money at it.

If you are an experimenter at heart, having BOTH is a good idea.  Most
of us are not in that position.  LinuxCNC seems to scale from big
hardware to small desktop (or smaller, or larger depending on your
needs).

G/M-code support can be done on minimal machines to anything bigger.
(There are DOS, RaspberryPi, and arduino implementations of
interpreters.)  Once you get to desktop size machines or larger it
takes to run LinuxCNC or Mach much more can be done in the way of
trajectory planning, etc.

For the cost for most of our machines, the incremental price of Mach
with Windows is real but not 'significant' compared to what it takes
for us to build and run our machines.  Still, I would rather spend the
money elsewhere if possible.

I do see WHY some go to Mach.  They don't know or trust 'free
software'.  An irrational fear, but real.  So they would rather buy a
solution they 'can get support for' rather than having to get involved
in a community to know how to obtain real good, fast support.  So if
they feel their time is better spent by spending money rather than
investing in themselves, their education and giving back, it is their
choice to make.  There are many that do.  They vote that way with
their pocket book.

Full disclosure:
Growing up in the computing industry, I started as an anti-M$ geek
from Bill Gates 'Open Letter to Hobbyists' days (
http://en.wikipedia.org/wiki/Open_Letter_to_Hobbyists ).  That is not
a good reason not to use it if M$ based tools are the best for the
job, but that is where my attitude / perspective started and has only
been supported by M$ adversarial actions toward their customer base
ever since.  Realistically, I use M$ products, mainly because my wife
(and her employer) has a warm and fuzzy about using them, and from the
'if mamma ain't happy, nobody is happy' camp, it isn't worth the
battle.  Even if non-M$ is a better technical solution, IMHO.  --
BTW, I have been using Linux since kernel 0.97, so I have stuck with
it for a while.

On Sun, Oct 19, 2014 at 2:37 PM, Dave Cole linuxcncro...@gmail.com wrote:
 On 10/19/2014 3:19 PM, andy pugh wrote:
 On 19 October 2014 01:52, Jack Coats j...@coats.org wrote:
 There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the 
 title
 Migrating from Mach3 to LinuxCNC by Thomas Allsup (page 24).
 I wonder why anyone would want to?
 By which I mean, if you have a working, paid for Mach3 installation
 running a machine and making parts, why would you throw it all up in
 the air to change to some different (and approximately equivalent)
 software?

 I would assume that he ran into some issues with Mach3 and decided to
 move to LinuxCNC.
 It is not difficult to find issues with Mach3 that are hard or
 impossibile to resolve.

 I was starting to feel bad for the Mach3 camp, then I saw that there are
 two other articles in the magazine that are about Mach3.

 Dave





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Re: [Emc-users] How to Migrate from Mach3 to LinuxCNC

2014-10-19 Thread Marshland Engineering
I'm about to start my 3 or 4 attempt to get LinuxCNC running. So far over the
past 5 years I have spent several 100 hours trying to get things to work with
little success.

Bear in mind that it's not just LinuxCNC, it is all of Linux you have to learn
etc, Git Gedit repository Sudo etc. 

I must say that with steppers (which we have had running) is quite simple. Now
using Mesa bits and servo drives was a complete headache. I suppose 2 kw
motors are a different beast. 

I have put time aside in Nov and Dec this year to try and get it going again.
Wish me luck. 

Thanking you
Wallace Weideman
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz


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