Re: [Emc-users] G71 lathe roughing cycle

[Steve Blackmore]

On Sun, 26 Aug 2012 00:59:59 +0100, you wrote:


>To work around the use of U and W words on other controllers I have used J
>and L respectively. As such the complete list of words used by the current
>implementation of G71 is:

Please don't. U and W are consistent amongst Fanuc based controls for
stock amount left on X and Z respectively in cycles. More likely to
confuse those who use CNC commercially and reduces portability of code
across controls by changing parameters.
 

Steve Blackmore
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Re: [Emc-users] G71 lathe roughing cycle

[Chris Morley]

> 
> >To work around the use of U and W words on other controllers I have used J
> >and L respectively. As such the complete list of words used by the current
> >implementation of G71 is:
> 
> Please don't. U and W are consistent amongst Fanuc based controls for
> stock amount left on X and Z respectively in cycles. More likely to
> confuse those who use CNC commercially and reduces portability of code
> across controls by changing parameters.
>  
> 
> Steve Blackmore
> --

I am betting he chose his words wisely - "work around U and W "
I am betting that linuxcnc confuses then for the U and W axis.

Chris M
  
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Re: [Emc-users] G71 lathe roughing cycle

[Michael Haberler]

Ben,

after reading your patch I found not a single line which warrants the 
modification of the interpreter at the C level. The whole thing can be done in 
an O-word procedure, maybe a bit of Python glue, as a remapped code, which is 
in master, and in a stable fashion for the better part of this year. And it is 
exactly the use case for which I developed the remapping extension in the first 
place.

Please read http://www.linuxcnc.org/docs/devel/html/remap/structure.html , and 
see the examples under configs/sim/remap. The chapter on 'Creating new G code 
cycles' 
http://www.linuxcnc.org/docs/devel/html/remap/structure.html#_creating_new_g_code_cycles_a_id_remap_g_code_cycles_a
 will be particularly helpful.

If you need help on the first steps of getting a remapped code working, I am 
happy to help. However, I resist low-level extensions duplicating higher-level 
functionality with the extra onus of "C++ skills required for adaptation or 
fixes".

- Michael

Am 26.08.2012 um 01:59 schrieb Ben Potter:

> I have been working on an implementation of the G71 roughing cycle for
> lathes. While the code is unfinished and known to be non-robust it's ready
> for initial review. A patch is available at:
> 
> http://www.bpuk.org/linuxcnc/g71-patch-1-initial-feedback-mod.diff
> 
> 
> 
> with sample g-code programs at:
> 
> http://www.bpuk.org/linuxcnc/test.ngc
> 
> http://www.bpuk.org/linuxcnc/test2.ngc
> 
> 
> 
> The main question I have is what 'should' happen after the G71 line is
> executed. Should the program continue on the next line, or skip the profile
> block (defined by N1 Nx) ?
> 
> 
> 
> To work around the use of U and W words on other controllers I have used J
> and L respectively. As such the complete list of words used by the current
> implementation of G71 is:
> 
> P Block Number of contour beginning (uses N word in beginning block)
> 
> Q Block number of contour end (uses N word in end block)
> 
> D Roughing Depth per move
> 
> R Retraction from each cut
> 
> J Overthickness for finishing at X (diameter)   (U on other controllers)
> 
> L Overthickness for finishing at Z  (W on other controllers)
> 
> I Thickness for finishing at X
> 
> K Thickness for finishing at Z
> 
> F Feedrate override between P and Q blocks
> 
> S Spindle speed override between P and Q blocks
> 
> T Tool override between P and Q blocks
> 
> 
> 
> There are a few screenshots at http://www.bpuk.org/linuxcnc/ at various
> stages of progress. OD and ID should work for G1/G2/G3/G4 profiles for
> front-tool lathes, I haven't looked at back-tool lathes at all yet. UW
> commands are invalid and ignored at this stage.
> 
> 
> 
> Until I'm happy with the code I won't be looking at type 2 - as such only
> type 1 (no pockets) g-code is supported so far.
> 
> 
> 
> Any comments are appreciated
> 
> Ta
> 
> Ben
> 
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Re: [Emc-users] G71 lathe roughing cycle

[Ben Potter]

Michael,

Thanks - I'm going to have a good look into that lot. I had previously seen
it, but only when looking for something else.

>From the first couple of minutes of looking at the docs I'd ask if there is
a way that (XZ or UW) can be required words, but not both sets?

Ben

-Original Message-
From: Michael Haberler [mailto:mai...@mah.priv.at] 
Sent: 26 August 2012 10:23
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] G71 lathe roughing cycle

Ben,

after reading your patch I found not a single line which warrants the
modification of the interpreter at the C level. The whole thing can be done
in an O-word procedure, maybe a bit of Python glue, as a remapped code,
which is in master, and in a stable fashion for the better part of this
year. And it is exactly the use case for which I developed the remapping
extension in the first place.

Please read http://www.linuxcnc.org/docs/devel/html/remap/structure.html ,
and see the examples under configs/sim/remap. The chapter on 'Creating new G
code cycles'
http://www.linuxcnc.org/docs/devel/html/remap/structure.html#_creating_new_g
_code_cycles_a_id_remap_g_code_cycles_a will be particularly helpful.

If you need help on the first steps of getting a remapped code working, I am
happy to help. However, I resist low-level extensions duplicating
higher-level functionality with the extra onus of "C++ skills required for
adaptation or fixes".

- Michael

Am 26.08.2012 um 01:59 schrieb Ben Potter:

> I have been working on an implementation of the G71 roughing cycle for 
> lathes. While the code is unfinished and known to be non-robust it's 
> ready for initial review. A patch is available at:
> 
> http://www.bpuk.org/linuxcnc/g71-patch-1-initial-feedback-mod.diff
> 
> 
> 
> with sample g-code programs at:
> 
> http://www.bpuk.org/linuxcnc/test.ngc
> 
> http://www.bpuk.org/linuxcnc/test2.ngc
> 
> 
> 
> The main question I have is what 'should' happen after the G71 line is 
> executed. Should the program continue on the next line, or skip the 
> profile block (defined by N1 Nx) ?
> 
> 
> 
> To work around the use of U and W words on other controllers I have 
> used J and L respectively. As such the complete list of words used by 
> the current implementation of G71 is:
> 
> P Block Number of contour beginning (uses N word in beginning block)
> 
> Q Block number of contour end (uses N word in end block)
> 
> D Roughing Depth per move
> 
> R Retraction from each cut
> 
> J Overthickness for finishing at X (diameter)   (U on other
controllers)
> 
> L Overthickness for finishing at Z  (W on other
controllers)
> 
> I Thickness for finishing at X
> 
> K Thickness for finishing at Z
> 
> F Feedrate override between P and Q blocks
> 
> S Spindle speed override between P and Q blocks
> 
> T Tool override between P and Q blocks
> 
> 
> 
> There are a few screenshots at http://www.bpuk.org/linuxcnc/ at 
> various stages of progress. OD and ID should work for G1/G2/G3/G4 
> profiles for front-tool lathes, I haven't looked at back-tool lathes 
> at all yet. UW commands are invalid and ignored at this stage.
> 
> 
> 
> Until I'm happy with the code I won't be looking at type 2 - as such 
> only type 1 (no pockets) g-code is supported so far.
> 
> 
> 
> Any comments are appreciated
> 
> Ta
> 
> Ben
> 
> --
> 
> Live Security Virtual Conference
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> threat landscape has changed and how IT managers can respond. 
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> latest in malware threats. 
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Re: [Emc-users] G71 lathe roughing cycle

[Ben Potter]

Jeremy/Steve/Chris

Chris is correct

1. When reading the U, W words they are reserved for axis movements only.
2. Some lathes are XZ/UW - so the UW words are required for the second tool.

While I'd love to keep compatibility with other controllers as far as
possible, I just can't see a way to do it in this case.

Ben

-Original Message-
From: Chris Morley [mailto:chrisinnana...@hotmail.com] 
Sent: 26 August 2012 08:41
To: EMC
Subject: Re: [Emc-users] G71 lathe roughing cycle



> 
> >To work around the use of U and W words on other controllers I have 
> >used J and L respectively. As such the complete list of words used by 
> >the current implementation of G71 is:
> 
> Please don't. U and W are consistent amongst Fanuc based controls for 
> stock amount left on X and Z respectively in cycles. More likely to 
> confuse those who use CNC commercially and reduces portability of code 
> across controls by changing parameters.
>  
> 
> Steve Blackmore
> --

I am betting he chose his words wisely - "work around U and W "
I am betting that linuxcnc confuses then for the U and W axis.

Chris M
  

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Re: [Emc-users] G71 lathe roughing cycle

[andy pugh]

On 26 August 2012 08:35, Steve Blackmore  wrote:

>>To work around the use of U and W words on other controllers

> Please don't. U and W are consistent amongst Fanuc based controls for
> stock amount left on X and Z respectively in cycles.

But are Axes in LinuxCNC G-code, even on Lathes.

There is at least one user with a twin-toolpost lathe. I think he is
expecting to use UW to move the second head, and he would (presumably)
like a G71 which allowed UW roughing.

I would argue that the Fanuc standard enforces an artificial "lathes
are lathes, and can't be part of a multi-axis machine" distinction.

-- 
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http://www.ifixit.com/Manifesto

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Re: [Emc-users] home chemistry, was: General question about gibs

[Erik Christiansen]

On 25.08.12 12:58, Kent A. Reed wrote:
> On 8/25/2012 11:48 AM, dave wrote:
> > Powdered zinc not the granulated mixed with sulfur makes a good rocket
> > fuel. You partially fill sections of the tube and when it goes it gets
> > suspended and you get kind of a dust explosion.
> 
> That, of course, explains why I was searching for zinc but not why the 
> pharmacy was selling granulated zinc. I guess I should have asked my 
> grandmother. She was the one cooking up our home nostrums when I was a 
> kid. Did she need a reducing agent? Did she need to generate hydrogen? 
> Too late to ask.

Perhaps they made their own "killed spirits" soldering flux:
Zn & HCl, giving a zinc chloride solution. But a cupful of granulated
zinc would last a decade or two, unless you were manufacturing sheet
based goods.

If it was for sacrificial anodes for steam engine boilers, it wouldn't
be granulated, I figure. And I haven't heard of kitchen-scale hot-dip
galvanising. 

Erik

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clamorous to be led to safety) by an endless series of hobgoblins.
- H.L. Mencken


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Re: [Emc-users] home chemistry, was: General question about gibs

[Mark Wendt]

On Sat, Aug 25, 2012 at 12:18 PM, Peter C. Wallace  wrote:
> On Sat, 25 Aug 2012, dave wrote:
>
> SNIP
>>
>> Someplace out there ... is a website labeled something like, "things I
>> wouldn't try to make in the lab". Fascinating list of unstable compounds
>> compiled from the literature.
>>>
>
> http://pipeline.corante.com/archives/things_i_wont_work_with/
>
>>
>
> Peter Wallace
> Mesa Electronics

I want somma that Hexanitrohexaazaisowurtzitane stuff...

Mark

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Re: [Emc-users] G71 lathe roughing cycle

[andy pugh]

On 26 August 2012 10:22, Michael Haberler  wrote:

> after reading your patch I found not a single line which warrants the 
> modification of the interpreter at the C level. The whole thing can be done 
> in an O-word procedure, maybe a bit of Python glue, as a remapped code, which 
> is in master, and in a stable fashion for the better part of this year. And 
> it is exactly the use case for which I developed the remapping extension in 
> the first place.

Would that be an argument for removing all other canned cycles from
the Interpreter and putting them in O-subs?

That was meant as a "reductio ad absurdum", but now I am not so sure
that that wouldn't actually be a good idea. It would allow
users/integrators to tweak canned cycles to suit very easily.

-- 
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Re: [Emc-users] home chemistry, was: General question about gibs

[Gene Heskett]

On Sunday 26 August 2012 08:15:14 Mark Wendt did opine:

> On Sat, Aug 25, 2012 at 12:18 PM, Peter C. Wallace  
wrote:
> > On Sat, 25 Aug 2012, dave wrote:
> > 
> > SNIP--
> > --
> > 
> >> Someplace out there ... is a website labeled something like, "things
> >> I wouldn't try to make in the lab". Fascinating list of unstable
> >> compounds compiled from the literature.
> > 
> > http://pipeline.corante.com/archives/things_i_wont_work_with/
> > 
> > 
> > 
> > Peter Wallace
> > Mesa Electronics
> 
> I want somma that Hexanitrohexaazaisowurtzitane stuff...
> 
> Mark
 
We'd miss you.  Leave advanced notice as to where the services will be 
held, so we can be sure of sending the flowers to the right funeral home.

Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
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Re: [Emc-users] home chemistry, was: General question about gibs

[Mark Wendt]

On Sun, Aug 26, 2012 at 8:16 AM, Gene Heskett  wrote:
>>
>> I want somma that Hexanitrohexaazaisowurtzitane stuff...
>>
>> Mark
>
> We'd miss you.  Leave advanced notice as to where the services will be
> held, so we can be sure of sending the flowers to the right funeral home.
>
> Cheers, Gene

ROFL!  I'd only accept it in the correct containment system.  ;-)

I've carried 2000 lb HE bombs under my USAF F-4 wing before.  ;-)

You just gotta love the Hexanitrowhatsitstane nomenclature though.

Mark

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Re: [Emc-users] G71 lathe roughing cycle

[Michael Haberler]

Am 26.08.2012 um 11:50 schrieb andy pugh:

> On 26 August 2012 10:22, Michael Haberler  wrote:
> 
>> after reading your patch I found not a single line which warrants the 
>> modification of the interpreter at the C level. The whole thing can be done 
>> in an O-word procedure, maybe a bit of Python glue, as a remapped code, 
>> which is in master, and in a stable fashion for the better part of this 
>> year. And it is exactly the use case for which I developed the remapping 
>> extension in the first place.
> 
> Would that be an argument for removing all other canned cycles from
> the Interpreter and putting them in O-subs?

I'd have to read the cycle code once more, it's been a while; but I think I 
carried over all of the important state handling from the C++ code. In terms of 
Canon calls, both C++ and Python have the same interface available. So I think 
it is possible, yes.

> That was meant as a "reductio ad absurdum", but now I am not so sure
> that that wouldn't actually be a good idea. It would allow
> users/integrators to tweak canned cycles to suit very easily.

right, that was the argument for sticking with oword procedures, not just 
Python which would have been a lot simpler.

The only work item I'd see is: redefining an existing code needs some C++ 
modifications if one were to go for that; defining an entirely new code doesnt. 
But it's not complex, there's just no good automated support in place for doing 
that, because of it came kind of as an afterthought. I think it would be 
possible to completely regression-test the output of the remapped cycles 
against the builtin cycles automatically.

Taking all G7x[.y]/G8x.[y] and writing equivalent new codes eg 
G17x[.y]/G18x.[y] in NGC and a bit of Python is possible without any C++.

- Michael


> 
> -- 
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
> 
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Re: [Emc-users] home chemistry, was: General question about gibs

[Gene Heskett]

On Sunday 26 August 2012 09:11:41 Mark Wendt did opine:

> On Sun, Aug 26, 2012 at 8:16 AM, Gene Heskett  wrote:
> >> I want somma that Hexanitrohexaazaisowurtzitane stuff...
> >> 
> >> Mark
> > 
> > We'd miss you.  Leave advanced notice as to where the services will be
> > held, so we can be sure of sending the flowers to the right funeral
> > home.
> > 
> > Cheers, Gene
> 
> ROFL!  I'd only accept it in the correct containment system.  ;-)

And that would be?

I should added a smiley, but you got the point anyway. :)
> 
> I've carried 2000 lb HE bombs under my USAF F-4 wing before.  ;-)
 
My guess is that what was in those HE bombs was a hell of a lot more stable 
than most of the stuff in that link.

> You just gotta love the Hexanitrowhatsitstane nomenclature though.
> 
> Mark

Cheers, Gene
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Re: [Emc-users] G71 lathe roughing cycle

[andy pugh]

On 26 August 2012 14:04, Michael Haberler  wrote:

> Taking all G7x[.y]/G8x.[y] and writing equivalent new codes eg 
> G17x[.y]/G18x.[y] in NGC and a bit of Python is possible without any C++.

I am not sure how the G-code can search itself for a profile
definition and parse it. Doesn't that require code introspection?


-- 
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Re: [Emc-users] G71 lathe roughing cycle

[Michael Haberler]

Am 26.08.2012 um 15:56 schrieb andy pugh:

> On 26 August 2012 14:04, Michael Haberler  wrote:
> 
>> Taking all G7x[.y]/G8x.[y] and writing equivalent new codes eg 
>> G17x[.y]/G18x.[y] in NGC and a bit of Python is possible without any C++.
> 
> I am not sure how the G-code can search itself for a profile
> definition and parse it. Doesn't that require code introspection?

I guess I meant the following.

- the existing builtin  G7x[.y]/G8x.[y] cycles stay untouched
- a remap configuration (ini magic, python glue, NGC procedures) might add the 
G17x[.y]/G18x.[y] clones

then run a say G8x cycle through the standalone interpreter (rs274) which 
generates a list of canon commands based on existing cycles.
when you run the 'equivalent' G18x through rs274 with a remapping config it 
should generate an bit-for-bit identical list of canon commands
This is for regression testing.

for using the the thing, the choices are:
- redefine the builtin  G7x[.y]/G8x.[y] cycles with an optional remapping 
config; if the remap statements are disabled the builtin cycles reappear. But 
as I said, this needs minor C++ tweakage per redefined code.
- just add new ones like in the G17x[.y]/G18x.[y] range - no C++ tweaking 
required, but that shows on the usage level - either use say G84 for builtin or 
G184 for the remapped cycle.

- Michael




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Re: [Emc-users] G71 lathe roughing cycle

[Ben Potter]

> Am 26.08.2012 um 15:56 schrieb andy pugh:
> > On 26 August 2012 14:04, Michael Haberler  wrote:
> > 
> >> Taking all G7x[.y]/G8x.[y] and writing equivalent new codes eg
G17x[.y]/G18x.[y] in NGC and a bit of Python is possible without any C++.
> > 
> > I am not sure how the G-code can search itself for a profile 
> > definition and parse it. Doesn't that require code introspection?
>
> for using the the thing, the choices are:
> - redefine the builtin  G7x[.y]/G8x.[y] cycles with an optional remapping
config; if the remap statements are disabled the builtin cycles reappear.
But as I said, this needs minor C++ tweakage per > redefined code.
> - just add new ones like in the G17x[.y]/G18x.[y] range - no C++ tweaking
required, but that shows on the usage level - either use say G84 for builtin
or G184 for the remapped cycle.

For most or all of the existing cycles, I can see how moving them out to
remap would work. They take a bunch of parameters, and a location to do the
first cycle at. They then run the cycle at each set of co-ordinates until
they receive a G80. Each of the canned cycles needs nothing more than it's
parameters, they don't need to know where the next cycle will be run, and
the parameters don't change between runs.

For G71 it needs to be able to read the entirety of an arbitrary profile -
which could be anything from 2 g-code blocks to 5000 (or more) blocks. The
profile can be before the G71 cycle command, or after it. The same profile
will usually be used at least twice (G71 then G70). To make it even more
confusing, the profile could theoretically be after M2/M30 so that it is
never accidentally executed.

The profile must contain at least 1 G0 or G1 command, with G2/3 needed for
any arcs, if I'm reading the remap docs correctly, these would break it out
of remapping.

In the patches I added code to rs274ngc_pre.cc which does this readahead -
and then returns execution back to the same point to actually process the
copied blocks, if that section was cleaned up and thoroughly checked all the
rest of the cycle code could be done using remapping, but without it (or an
equivalent) there doesn't seem to be any way to get the data needed.

That said, I'm not exactly familiar with the way remapping has been
implemented, so I could be missing a really obvious command

Ben



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[Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Igor Chudov]

I have a 32 bit 10.04 system. I wanted to install Emc2 to use in simulation
mode.

But when I run the install script, I get this:

Hit http://security.ubuntu.com lucid-security/multiverse Sources
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  emc2: Depends: python2.4-numarray but it is not installable
Depends: python2.4-imaging but it is not installable
Depends: python2.4-imaging-tk but it is not going to be installed
Depends: python (< 2.5) but 2.6.5-0ubuntu1 is to be installed
Depends: python (< 2.5) but 2.6.5-0ubuntu1 is to be installed
Depends: bwidget (< 1.8) but 1.9.0-2 is to be installed
Depends: python2.4-tk but it is not installable
Depends: python2.4-xml but it is not installable
E: Broken packages

How can I resolve this problem?

Thanks!
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Re: [Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Kent A. Reed]

On 8/26/2012 11:31 AM, Igor Chudov wrote:
> But when I run the install script,
What install script, exactly?

Regards,
Kent


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Re: [Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Kent A. Reed]

On 8/26/2012 11:40 AM, Kent A. Reed wrote:
> On 8/26/2012 11:31 AM, Igor Chudov wrote:
>> But when I run the install script,
> What install script, exactly?
>
> Regards,
> Kent
>

Sorry, Igor, I hit send before I finished thinking.

Your list of broken dependencies suggests to me your script is out of 
date. It references "emc2", v2.4 of python

I just recently tried the instructions at 
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Pure_Simulator while I 
was revising the wiki on installing LinuxCNC. Those instructions worked 
fine for me on a fresh, stock Ubuntu 10.04LTS (Lucid Lynx).

Regards,
Kent


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Re: [Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Igor Chudov]

Ken, I meant running the emc2-install.sh shell script.

When I do what you suggested, the same thing happens. I think that it has
outdated dependencies or something.

boss::/tmp==>wget
http://www.linuxcnc.org/lucid/dists/lucid/emc2.4-sim/binary-i386/emc2-sim_2.4.7_i386.deb
--2012-08-26 11:40:28--
http://www.linuxcnc.org/lucid/dists/lucid/emc2.4-sim/binary-i386/emc2-sim_2.4.7_i386.deb
Resolving www.linuxcnc.org... 69.163.251.58
Connecting to www.linuxcnc.org|69.163.251.58|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 13864092 (13M) [application/x-debian-package]
Saving to: `emc2-sim_2.4.7_i386.deb'

100%[===>]
13,864,092   325K/s   in 42s

2012-08-26 11:41:10 (324 KB/s) - `emc2-sim_2.4.7_i386.deb' saved
[13864092/13864092]

boss::/tmp==>sudo dpkg -i emc2-sim*.deb
Selecting previously deselected package emc2-sim.
(Reading database ... 313081 files and directories currently installed.)
Unpacking emc2-sim (from emc2-sim_2.4.7_i386.deb) ...
Replaced by files in installed package linuxcnc-sim ...
dpkg: dependency problems prevent configuration of emc2-sim:
 emc2-sim depends on tk8.5 (>= 8.5.0); however:
  Package tk8.5 is not installed.
 emc2-sim depends on bwidget (>= 1.7); however:
  Package bwidget is not installed.
 emc2-sim depends on python2.6-tk; however:
  Package python2.6-tk is not installed.
 emc2-sim depends on python2.6-imaging-tk | python-imaging-tk; however:
  Package python2.6-imaging-tk is not installed.
  Package python-imaging-tk is not installed.
dpkg: error processing emc2-sim (--install):
 dependency problems - leaving unconfigured
Processing triggers for man-db ...
Processing triggers for desktop-file-utils ...
Processing triggers for python-gmenu ...
Rebuilding /usr/share/applications/desktop.POSIX.cache...
Processing triggers for ureadahead ...
Processing triggers for python-support ...
Errors were encountered while processing:
 emc2-sim
boss::/tmp==>lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.04.4 LTS
Release: 10.04
Codename: lucid


On Sun, Aug 26, 2012 at 10:47 AM, Kent A. Reed wrote:

> On 8/26/2012 11:40 AM, Kent A. Reed wrote:
> > On 8/26/2012 11:31 AM, Igor Chudov wrote:
> >> But when I run the install script,
> > What install script, exactly?
> >
> > Regards,
> > Kent
> >
>
> Sorry, Igor, I hit send before I finished thinking.
>
> Your list of broken dependencies suggests to me your script is out of
> date. It references "emc2", v2.4 of python
>
> I just recently tried the instructions at
> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Pure_Simulator while I
> was revising the wiki on installing LinuxCNC. Those instructions worked
> fine for me on a fresh, stock Ubuntu 10.04LTS (Lucid Lynx).
>
> Regards,
> Kent
>
>
>
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Re: [Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Igor Chudov]

I am good now. I had to manually install these packages:

   64  2012:08:26 11:45:47: ainstall python-tk
   67  2012:08:26 11:47:01: ainstall bwidget
   70  2012:08:26 11:50:05: ainstall python-imaging-tk


On Sun, Aug 26, 2012 at 11:42 AM, Igor Chudov  wrote:

> Ken, I meant running the emc2-install.sh shell script.
>
> When I do what you suggested, the same thing happens. I think that it has
> outdated dependencies or something.
>
> boss::/tmp==>wget
> http://www.linuxcnc.org/lucid/dists/lucid/emc2.4-sim/binary-i386/emc2-sim_2.4.7_i386.deb
> --2012-08-26 11:40:28--
> http://www.linuxcnc.org/lucid/dists/lucid/emc2.4-sim/binary-i386/emc2-sim_2.4.7_i386.deb
> Resolving www.linuxcnc.org... 69.163.251.58
> Connecting to www.linuxcnc.org|69.163.251.58|:80... connected.
> HTTP request sent, awaiting response... 200 OK
> Length: 13864092 (13M) [application/x-debian-package]
> Saving to: `emc2-sim_2.4.7_i386.deb'
>
> 100%[===>]
> 13,864,092   325K/s   in 42s
>
> 2012-08-26 11:41:10 (324 KB/s) - `emc2-sim_2.4.7_i386.deb' saved
> [13864092/13864092]
>
> boss::/tmp==>sudo dpkg -i emc2-sim*.deb
> Selecting previously deselected package emc2-sim.
> (Reading database ... 313081 files and directories currently installed.)
> Unpacking emc2-sim (from emc2-sim_2.4.7_i386.deb) ...
> Replaced by files in installed package linuxcnc-sim ...
> dpkg: dependency problems prevent configuration of emc2-sim:
>  emc2-sim depends on tk8.5 (>= 8.5.0); however:
>   Package tk8.5 is not installed.
>  emc2-sim depends on bwidget (>= 1.7); however:
>   Package bwidget is not installed.
>  emc2-sim depends on python2.6-tk; however:
>   Package python2.6-tk is not installed.
>  emc2-sim depends on python2.6-imaging-tk | python-imaging-tk; however:
>   Package python2.6-imaging-tk is not installed.
>   Package python-imaging-tk is not installed.
> dpkg: error processing emc2-sim (--install):
>  dependency problems - leaving unconfigured
> Processing triggers for man-db ...
> Processing triggers for desktop-file-utils ...
> Processing triggers for python-gmenu ...
> Rebuilding /usr/share/applications/desktop.POSIX.cache...
> Processing triggers for ureadahead ...
> Processing triggers for python-support ...
> Errors were encountered while processing:
>  emc2-sim
> boss::/tmp==>lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description: Ubuntu 10.04.4 LTS
> Release: 10.04
> Codename: lucid
>
>
> On Sun, Aug 26, 2012 at 10:47 AM, Kent A. Reed wrote:
>
>> On 8/26/2012 11:40 AM, Kent A. Reed wrote:
>> > On 8/26/2012 11:31 AM, Igor Chudov wrote:
>> >> But when I run the install script,
>> > What install script, exactly?
>> >
>> > Regards,
>> > Kent
>> >
>>
>> Sorry, Igor, I hit send before I finished thinking.
>>
>> Your list of broken dependencies suggests to me your script is out of
>> date. It references "emc2", v2.4 of python
>>
>> I just recently tried the instructions at
>> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_Pure_Simulator while I
>> was revising the wiki on installing LinuxCNC. Those instructions worked
>> fine for me on a fresh, stock Ubuntu 10.04LTS (Lucid Lynx).
>>
>> Regards,
>> Kent
>>
>>
>>
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>> threat landscape has changed and how IT managers can respond. Discussions
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>>
>
>
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Re: [Emc-users] home chemistry, was: General question about gibs

[Przemek Klosowski]

On Sun, Aug 26, 2012 at 8:25 AM, Mark Wendt  wrote:
>>> I want somma that Hexanitrohexaazaisowurtzitane stuff...
> ROFL!  I'd only accept it in the correct containment system.  ;-)

I think trying to contain it just makes it worse; a mili-mole of one
of the compounds he described destroyed the stainless steel dewar it
was in. The best containment system is a 100-meter rope that goes
between you and the thing :)

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Re: [Emc-users] home chemistry, was: General question about gibs

[Przemek Klosowski]

On Sat, Aug 25, 2012 at 12:18 PM, Peter C. Wallace  wrote:

> http://pipeline.corante.com/archives/things_i_wont_work_with/

My favorite thing from this blog was a compound that is stabilized by
dissolving in TNT---except that "if you heat those crystals up the two
components separate out, and you're left with crystals of pure CL-20
soaking in liquid TNT, a situation that will heighten your awareness
of the fleeting nature of life."

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Re: [Emc-users] Cannot install EMC2 on 10.04, broken package dependencies

[Kent A. Reed]

On 8/26/2012 12:52 PM, Igor Chudov wrote:
> I am good now. I had to manually install these packages:
>
> 64  2012:08:26 11:45:47: ainstall python-tk
> 67  2012:08:26 11:47:01: ainstall bwidget
> 70  2012:08:26 11:50:05: ainstall python-imaging-tk
>
>
> On Sun, Aug 26, 2012 at 11:42 AM, Igor Chudov  wrote:
>
>> >Ken, I meant running the emc2-install.sh shell script.
>> >
>> >When I do what you suggested, the same thing happens. I think that it has
>> >outdated dependencies or something.
>> >

Well, I'm glad you found a work around but really, the instructions on 
the "LinuxCNC Pure Simulator" wiki page do work.

After "sudo dpkg -i emc2-sim-deb" finishes, running "sudo apt-get -f 
install" takes care of the failing dependencies.

As for the "emc2-install.sh" script, I won't vouch for anything on the 
superseded "Installing EMC2" wiki page in its dotage. As well, I thought 
the "emc2-install-sim.sh" script had disappeared.

A different route that gets one to the same end is to go directly to 
buildbot.linuxcnc.org and follow the instructions there. After running 
"sudo apt-get install emc2-sim" one still has to run "sudo apt-get -f 
install" just as the output messages suggest.

Regards,
Kent

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Re: [Emc-users] G71 lathe roughing cycle

[Greg Bentzinger]

I have not had the chance to run a dual turret lathe with a FANUC 
control, but I have a few thousand hours on a OKUMA dual turret.

Currently LCNC treats each axis as a reserved word and you can't duplicate axis.

Okuma's Method to work around this used G13 & G14 to define what the 
program code would apply to. G13 was for the upper turret, G14 for the lower. 
By adding P000xx codes ( "Priority code" ) 
you were able to define which moves were independant and which could be 
executed simaltainiously. (adding this might require a GUI mod of a 
split screen for the different turret programs, even though its all one 
top down program in the file.)


So far LCNC has been able to move forward as a "one size fits all" program 
package, where the only major divergant config is the type of KINS file the 
user chooses.

The ability to map/remap codes sounds like an important way to allow 
different machine type to move to more machine specific gcode 
structures. At the initial config a install script could be called to 
sell the interpreter for "lathe", or "mill" etc.

While the ability to define a multi turret or multi mill head type machine is 
likely a LCNC v2.8 or later type project, I would like the option of 
having G12/G13 pocketing in milling and G13/G14 for lather turret 
designation at some future time. Code mapping may be the first step in that 
direction.
Greg


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Re: [Emc-users] G71 lathe roughing cycle

[jeremy youngs]

>
> Currently LCNC treats each axis as a reserved word and you can't duplicate 
> axis.
>
> Okuma's Method to work around this used G13 & G14 to define what the
> program code would apply to. G13 was for the upper turret, G14 for the lower. 
> By adding P000xx codes ( "Priority code" )
> you were able to define which moves were independant and which could be
> executed simaltainiously. (adding this might require a GUI mod of a
> split screen for the different turret programs, even though its all one
> top down program in the file.)

this is interesting and although off the lathe subject it makes me
consider this. I am intending to run the knee and the spindle down
feed independently of each other when I convert to 5 axis, so this
begs me to question will I have to rename the spindle down axis and
then g code around it? Not urgent but some thoughts for me in the
future
-- 
jeremy youngs

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Re: [Emc-users] G71 lathe roughing cycle

[Dave Caroline]

>
> Okuma's Method to work around this used G13 & G14 to define what the
> program code would apply to. G13 was for the upper turret, G14 for the lower. 
> By adding P000xx codes ( "Priority code" )


I suppose we should think of the sliding head lathes that will be
looked at in the future

I have one "resting" in the garage that needs a large round tuit applying

Currently it is a cam auto but would be a nice cnc retrofit project
it has 4 tool slides one being a back and forward tool by rocking
it has facilities for tooling to be mounted on the front too
(I have a screw head slotting attachment)

http://www.archivist.info/cnc/works2008b/P1010226.JPG

Dave Caroline

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Re: [Emc-users] home chemistry, was: General question about gibs

[Gene Heskett]

On Sunday 26 August 2012 16:43:11 Przemek Klosowski did opine:

> On Sun, Aug 26, 2012 at 8:25 AM, Mark Wendt  wrote:
> >>> I want somma that Hexanitrohexaazaisowurtzitane stuff...
> > 
> > ROFL!  I'd only accept it in the correct containment system.  ;-)
> 
> I think trying to contain it just makes it worse; a mili-mole of one
> of the compounds he described destroyed the stainless steel dewar it
> was in. The best containment system is a 100-meter rope that goes
> between you and the thing :)
> 
Cheap rope at that... :)

Cheers, Gene
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Re: [Emc-users] G71 lathe roughing cycle

[Terry Christophersen]

I am really glad someone is working on G71/G70
To me G71 is as important on a lathe as G83 is to a mill

Thanks guys

Terry


- Original Message -
From: Dave Caroline 
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Sunday, August 26, 2012 2:46 PM
Subject: Re: [Emc-users] G71 lathe roughing cycle

>
> Okuma's Method to work around this used G13 & G14 to define what the
> program code would apply to. G13 was for the upper turret, G14 for the lower. 
> By adding P000xx codes ( "Priority code" )


I suppose we should think of the sliding head lathes that will be
looked at in the future

I have one "resting" in the garage that needs a large round tuit applying

Currently it is a cam auto but would be a nice cnc retrofit project
it has 4 tool slides one being a back and forward tool by rocking
it has facilities for tooling to be mounted on the front too
(I have a screw head slotting attachment)

http://www.archivist.info/cnc/works2008b/P1010226.JPG

Dave Caroline

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Re: [Emc-users] moglice, another note

[jeremy youngs]

http://www.ebay.com/itm/Teflon-Sheet-For-16x20-Heat-Press-Transfer-Sheet-/170521187058?pt=LH_DefaultDomain_0&hash=item27b3dad2f2#ht_1523wt_934

im revisiting this, what with genes concerns and all, im thinking we
are all trying to figure out how to adapt these old machines to modern
standards. I am thinking about lining my ways with this product any
thoughts?
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[Emc-users] G-code remaping

[Todd Zuercher]

This thread lately about g-code remapping, has brought back to mind a problem I 
have, that I've just been working around. 
But maybe someone might have a better way. We have some 4 axis routers (XYZW) 
that are used for wood carving. Mostly they are used to carve two of something 
at the same time. Now I have to generate my xyz code then run it through 
something that takes the z and adds an identical w code after it. (x1y1z.5 to 
x1y1z.5w.5). How hard would it be to make a custom M or G code that once issued 
all Z commands will be exicuted as Z and W commands, until that code is 
deactivated by another code that returns normal operation. 

-- 

 

Todd Zuercher 
mailto:zuerc...@embarqmail.com 

 
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Re: [Emc-users] moglice, another note

[Gene Heskett]

On Sunday 26 August 2012 21:48:50 jeremy youngs did opine:

> http://www.ebay.com/itm/Teflon-Sheet-For-16x20-Heat-Press-Transfer-Sheet
> -/170521187058?pt=LH_DefaultDomain_0&hash=item27b3dad2f2#ht_1523wt_934
> 
> im revisiting this, what with genes concerns and all, im thinking we
> are all trying to figure out how to adapt these old machines to modern
> standards. I am thinking about lining my ways with this product any
> thoughts?

That is an intriguing idea, but 2 considerations.  One being how to glue it 
in being teflon & all, and 2, how thick is it?


Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page:  is up!
I consider the day misspent that I am not either charged with a crime,
or arrested for one.
-- "Ratsy" Tourbillon

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Re: [Emc-users] moglice, another note

[jeremy youngs]

i didnt get a thickness but this is the same stuff that
automanufavturers put on the leading edge of car hoods for shipping (i
think .030 +-?) and i think it has adhesive on it. I think on my mill
i could get it on by removing the taper gib and that will allow the
clearance. it looks cheap i may get some later in the week, im still
trying to figure out backlash elimination in the screws before
ordering everything

On Sun, Aug 26, 2012 at 9:50 PM, Gene Heskett  wrote:
> On Sunday 26 August 2012 21:48:50 jeremy youngs did opine:
>
>> http://www.ebay.com/itm/Teflon-Sheet-For-16x20-Heat-Press-Transfer-Sheet
>> -/170521187058?pt=LH_DefaultDomain_0&hash=item27b3dad2f2#ht_1523wt_934
>>
>> im revisiting this, what with genes concerns and all, im thinking we
>> are all trying to figure out how to adapt these old machines to modern
>> standards. I am thinking about lining my ways with this product any
>> thoughts?
>
> That is an intriguing idea, but 2 considerations.  One being how to glue it
> in being teflon & all, and 2, how thick is 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!
> I consider the day misspent that I am not either charged with a crime,
> or arrested for one.
> -- "Ratsy" Tourbillon
>
> --
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> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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> https://lists.sourceforge.net/lists/listinfo/emc-users



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Re: [Emc-users] moglice, another note

[dave]

On Sun, 2012-08-26 at 21:50 -0400, Gene Heskett wrote:
> On Sunday 26 August 2012 21:48:50 jeremy youngs did opine:
> 
> > http://www.ebay.com/itm/Teflon-Sheet-For-16x20-Heat-Press-Transfer-Sheet
> > -/170521187058?pt=LH_DefaultDomain_0&hash=item27b3dad2f2#ht_1523wt_934
> > 
> > im revisiting this, what with genes concerns and all, im thinking we
> > are all trying to figure out how to adapt these old machines to modern
> > standards. I am thinking about lining my ways with this product any
> > thoughts?
> 
> That is an intriguing idea, but 2 considerations.  One being how to glue it 
> in being teflon & all, and 2, how thick is it?
> 
> 
> Cheers, Gene

Hi, 
Mazaks of 80's vintage used a ~ 2 mm sheet of polymer with a coating of
some kind. I had a chance to buy some at Boeing surplus and didn't to my
regret. A good and lucky google search might bring up a name. IIRC it is
expensive but the real problem will be buying small quantities.  ;-)

Dave

ps. it was dark brown on one side and white or cream on the other. 



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Re: [Emc-users] moglice, another note

[Gene Heskett]

On Sunday 26 August 2012 23:09:10 jeremy youngs did opine:

> i didnt get a thickness but this is the same stuff that
> automanufavturers put on the leading edge of car hoods for shipping (i
> think .030 +-?) and i think it has adhesive on it. I think on my mill
> i could get it on by removing the taper gib and that will allow the
> clearance. it looks cheap i may get some later in the week, im still
> trying to figure out backlash elimination in the screws before
> ordering everything

On backlash, two words:  Ball Screws.

I won't have to take anything out, with the gib in there I still have 30 or 
40 thou clearance top and rear around it.  Like I said, its schloppy.

Oh, and if that glue is anything like what they use on the bottom of a 
mouse to sort of hold the mouse feet on (they are polycarbonate & just as 
hard to glue), anything that even smells like oil will destroy it in days.

That is also a thought, polycarbonate might make a better way shim than 
teflon, in fact I believe its harder.

> On Sun, Aug 26, 2012 at 9:50 PM, Gene Heskett  wrote:
> > On Sunday 26 August 2012 21:48:50 jeremy youngs did opine:
> >> http://www.ebay.com/itm/Teflon-Sheet-For-16x20-Heat-Press-Transfer-Sh
> >> eet
> >> -/170521187058?pt=LH_DefaultDomain_0&hash=item27b3dad2f2#ht_1523wt_9
> >> 34
> >> 
> >> im revisiting this, what with genes concerns and all, im thinking we
> >> are all trying to figure out how to adapt these old machines to
> >> modern standards. I am thinking about lining my ways with this
> >> product any thoughts?
> > 
> > That is an intriguing idea, but 2 considerations.  One being how to
> > glue it in being teflon & all, and 2, how thick is 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!
> > I consider the day misspent that I am not either charged with a crime,
> > or arrested for one.
> > 
> > -- "Ratsy" Tourbillon
> > 
> > --
> >  Live Security Virtual Conference
> > Exclusive live event will cover all the ways today's security and
> > threat landscape has changed and how IT managers can respond.
> > Discussions will include endpoint security, mobile security and the
> > latest in malware threats.
> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> > ___
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> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users


Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
My web page:  is up!
Women treat us just as humanity treats its gods.  They worship us and are
always bothering us to do something for them.
-- Oscar Wilde

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Re: [Emc-users] moglice, another note

[jeremy youngs]

a spray on product would be great? oh I could use my new chemistry
knowledge, make custom nozzles on my machine and solve the issue, WOW
its amazing how much linuxcnc can change your life all this in one day
:)  As for ballscrews well they arent in the budget yet


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Re: [Emc-users] moglice, another note

[Gene Heskett]

On Monday 27 August 2012 00:02:53 jeremy youngs did opine:

> a spray on product would be great? oh I could use my new chemistry
> knowledge, make custom nozzles on my machine and solve the issue, WOW
> its amazing how much linuxcnc can change your life all this in one day
> 
> :)  As for ballscrews well they arent in the budget yet

How big do you need them to be?  Steve Stallings (PMDX) has some 8mmx2.5mm 
pitch screws, 13" long at a good price.  I have one trimmed and within a 
day or so of running the x axis in my 7x12.

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!
If a thing's worth doing, it is worth doing badly.
-- G. K. Chesterton

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Re: [Emc-users] G-code remaping

[Michael Haberler]

Am 27.08.2012 um 03:18 schrieb Todd Zuercher:

> This thread lately about g-code remapping, has brought back to mind a problem 
> I have, that I've just been working around. 
> But maybe someone might have a better way. We have some 4 axis routers (XYZW) 
> that are used for wood carving. Mostly they are used to carve two of 
> something at the same time. Now I have to generate my xyz code then run it 
> through something that takes the z and adds an identical w code after it. 
> (x1y1z.5 to x1y1z.5w.5). How hard would it be to make a custom M or G code 
> that once issued all Z commands will be exicuted as Z and W commands, until 
> that code is deactivated by another code that returns normal operation. 

Todd,

it seems you have some kind of script to translate the gcode

can you post that script, or could you post an example sequence before and 
after the translation?

regards

Michael


> 
> -- 
> 
>  
> 
> Todd Zuercher 
> mailto:zuerc...@embarqmail.com 
> 
>  
> --
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Re: [Emc-users] moglice, another note

[jeremy youngs]

1.25 in by 46 for x and 1.25 by 24 for y

On Mon, Aug 27, 2012 at 12:06 AM, Gene Heskett  wrote:
> On Monday 27 August 2012 00:02:53 jeremy youngs did opine:
>
>> a spray on product would be great? oh I could use my new chemistry
>> knowledge, make custom nozzles on my machine and solve the issue, WOW
>> its amazing how much linuxcnc can change your life all this in one day
>>
>> :)  As for ballscrews well they arent in the budget yet
>
> How big do you need them to be?  Steve Stallings (PMDX) has some 8mmx2.5mm
> pitch screws, 13" long at a good price.  I have one trimmed and within a
> day or so of running the x axis in my 7x12.
>
> 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!
> If a thing's worth doing, it is worth doing badly.
> -- G. K. Chesterton
>
> --
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
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-- 
jeremy youngs

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Re: [Emc-users] moglice, another note

[Gene Heskett]

On Monday 27 August 2012 00:35:13 jeremy youngs did opine:

> 1.25 in by 46 for x and 1.25 by 24 for y

And them is little red wagonloads of quarters in rolls, each...

> 
> On Mon, Aug 27, 2012 at 12:06 AM, Gene Heskett  wrote:
> > On Monday 27 August 2012 00:02:53 jeremy youngs did opine:
> >> a spray on product would be great? oh I could use my new chemistry
> >> knowledge, make custom nozzles on my machine and solve the issue, WOW
> >> its amazing how much linuxcnc can change your life all this in one
> >> day
> >> 
> >> :)  As for ballscrews well they arent in the budget yet
> > 
> > How big do you need them to be?  Steve Stallings (PMDX) has some
> > 8mmx2.5mm pitch screws, 13" long at a good price.  I have one trimmed
> > and within a day or so of running the x axis in my 7x12.
> > 
> > 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!
> > If a thing's worth doing, it is worth doing badly.
> > 
> > -- G. K. Chesterton
> > 
> > --
> >  Live Security Virtual Conference
> > Exclusive live event will cover all the ways today's security and
> > threat landscape has changed and how IT managers can respond.
> > Discussions will include endpoint security, mobile security and the
> > latest in malware threats.
> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> > ___
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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!
Make it right before you make it faster.

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Re: [Emc-users] moglice, another note

[jeremy youngs]

rofl thems is my friend tems is, when i get them they will cost me
more than the mill and the controls combined. the moglice web site
showed how to use the product to reline the threads and eliminate
lash, im thinking of mixing epoxy and moly

On Mon, Aug 27, 2012 at 12:36 AM, Gene Heskett  wrote:
> On Monday 27 August 2012 00:35:13 jeremy youngs did opine:
>
>> 1.25 in by 46 for x and 1.25 by 24 for y
>
> And them is little red wagonloads of quarters in rolls, each...
>
>>
>> On Mon, Aug 27, 2012 at 12:06 AM, Gene Heskett  wrote:
>> > On Monday 27 August 2012 00:02:53 jeremy youngs did opine:
>> >> a spray on product would be great? oh I could use my new chemistry
>> >> knowledge, make custom nozzles on my machine and solve the issue, WOW
>> >> its amazing how much linuxcnc can change your life all this in one
>> >> day
>> >>
>> >> :)  As for ballscrews well they arent in the budget yet
>> >
>> > How big do you need them to be?  Steve Stallings (PMDX) has some
>> > 8mmx2.5mm pitch screws, 13" long at a good price.  I have one trimmed
>> > and within a day or so of running the x axis in my 7x12.
>> >
>> > 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!
>> > If a thing's worth doing, it is worth doing badly.
>> >
>> > -- G. K. Chesterton
>> >
>> > --
>> >  Live Security Virtual Conference
>> > Exclusive live event will cover all the ways today's security and
>> > threat landscape has changed and how IT managers can respond.
>> > Discussions will include endpoint security, mobile security and the
>> > latest in malware threats.
>> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > ___
>> > 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!
> Make it right before you make it faster.
>
> --
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
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-- 
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Re: [Emc-users] moglice, another note

[dave]

On Mon, 2012-08-27 at 00:06 -0400, Gene Heskett wrote:
> On Monday 27 August 2012 00:02:53 jeremy youngs did opine:
> 
> > a spray on product would be great? oh I could use my new chemistry
> > knowledge, make custom nozzles on my machine and solve the issue, WOW
> > its amazing how much linuxcnc can change your life all this in one day
> > 
> > :)  As for ballscrews well they arent in the budget yet
> 
> How big do you need them to be?  Steve Stallings (PMDX) has some 8mmx2.5mm 
> pitch screws, 13" long at a good price.  I have one trimmed and within a 
> day or so of running the x axis in my 7x12.
> 
> Cheers, Gene
I looked on the website and didn't see them. How much are they?

Dave


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Re: [Emc-users] moglice, another note

[dave]

On Mon, 2012-08-27 at 00:42 -0400, jeremy youngs wrote:
> rofl thems is my friend tems is, when i get them they will cost me
> more than the mill and the controls combined. the moglice web site
> showed how to use the product to reline the threads and eliminate
> lash, im thinking of mixing epoxy and moly
> 
Hi, 
Anyone tried this stuff?

http://quakercity.com/QC_Lubricants/permaslikg.htm

Dave

> On Mon, Aug 27, 2012 at 12:36 AM, Gene Heskett  wrote:
> > On Monday 27 August 2012 00:35:13 jeremy youngs did opine:
> >
> >> 1.25 in by 46 for x and 1.25 by 24 for y
> >
> > And them is little red wagonloads of quarters in rolls, each...
> >
> >>
> >> On Mon, Aug 27, 2012 at 12:06 AM, Gene Heskett  wrote:
> >> > On Monday 27 August 2012 00:02:53 jeremy youngs did opine:
> >> >> a spray on product would be great? oh I could use my new chemistry
> >> >> knowledge, make custom nozzles on my machine and solve the issue, WOW
> >> >> its amazing how much linuxcnc can change your life all this in one
> >> >> day
> >> >>
> >> >> :)  As for ballscrews well they arent in the budget yet
> >> >
> >> > How big do you need them to be?  Steve Stallings (PMDX) has some
> >> > 8mmx2.5mm pitch screws, 13" long at a good price.  I have one trimmed
> >> > and within a day or so of running the x axis in my 7x12.
> >> >
> >> > 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!
> >> > If a thing's worth doing, it is worth doing badly.
> >> >
> >> > -- G. K. Chesterton
> >> >
> >> > --
> >> >  Live Security Virtual Conference
> >> > Exclusive live event will cover all the ways today's security and
> >> > threat landscape has changed and how IT managers can respond.
> >> > Discussions will include endpoint security, mobile security and the
> >> > latest in malware threats.
> >> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> >> > ___
> >> > 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!
> > Make it right before you make it faster.
> >
> > --
> > Live Security Virtual Conference
> > Exclusive live event will cover all the ways today's security and
> > threat landscape has changed and how IT managers can respond. Discussions
> > will include endpoint security, mobile security and the latest in malware
> > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> > ___
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
> 



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Re: [Emc-users] home chemistry, was: General question about gibs

[Peter Loron]

A most excellent blog. His other posts are worth reading as well.

Go do a search for pentaborane. 

-Pete

On Aug 25, 2012, at 9:18 AM, Peter C. Wallace wrote:

> On Sat, 25 Aug 2012, dave wrote:
> 
> SNIP
>> 
>> Someplace out there ... is a website labeled something like, "things I
>> wouldn't try to make in the lab". Fascinating list of unstable compounds
>> compiled from the literature.
>>> 
> 
> http://pipeline.corante.com/archives/things_i_wont_work_with/
> 
>> 
> 
> Peter Wallace
> Mesa Electronics
> 
> 
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> threat landscape has changed and how IT managers can respond. Discussions 
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> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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Re: [Emc-users] moglice, another note

[cogoman]

On 08/26/2012 07:29 PM, jeremy youngs wrote:
>   I am thinking about lining my ways with this product any
> thoughts?
Tormach has a nice whitepaper about the design of their PCNC1100 that 
has me salivating to get one for myself.  In it they have this quote:

"There is a problem with it, however. PTFE is subject to a phenomenon 
known as cold flow."

Go to this link to find out about this, and other stuff that may help 
you avoid a mistake in the future.


http://www.tormach.com/engineering_pcnc1100.html


I was surprised to read that early machines had brass strips over 
hardwood for the ways!

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