On 3/24/22 3:54 PM, andy pugh wrote:
On Thu, 24 Mar 2022 at 17:16, John Figie wrote:
1) Keep the 5HP motor and use a VFD to run the motor faster to get my 2000
spindle speed? 2000 * 47/30 = 3133 RPM. I don't have much experience with
induction motor drives. Is is feasible to run my motor at
On 3/24/22 3:54 PM, andy pugh wrote:
On Thu, 24 Mar 2022 at 17:16, John Figie wrote:
1) Keep the 5HP motor and use a VFD to run the motor faster to get my 2000
spindle speed? 2000 * 47/30 = 3133 RPM. I don't have much experience with
induction motor drives. Is is feasible to run my motor at
On Thu, 24 Mar 2022 at 17:16, John Figie wrote:
>
> 1) Keep the 5HP motor and use a VFD to run the motor faster to get my 2000
> spindle speed? 2000 * 47/30 = 3133 RPM. I don't have much experience with
> induction motor drives. Is is feasible to run my motor at nearly double it
> rated speed?
On Thursday, 24 March 2022 16:16:06 EDT John Figie wrote:
> Robin Szemeti wrote:
> "More obviously, run the motor at its rated speed, change one of the
> pulleys to give you your desired spindle speed."
> While that is true, my thinking is that if i gear it up so that 1700
> RPM -> 2000 spindle
Robin Szemeti wrote:
"More obviously, run the motor at its rated speed, change one of the pulleys
to give you your desired spindle speed."
While that is true, my thinking is that if i gear it up so that 1700
RPM -> 2000 spindle RPM then I lose mre torque at low speeds through
the
gearring. On the
On Thursday, 24 March 2022 13:13:03 EDT John Figie wrote:
> Now I am ready to figure out what to do for the spindle drive.
>
> The project is a 1972 Clausig NC lathe. The original paper tape fed
> controls are long gone. I actually have the owners manual. The original
> lathe had a 5 HP motor and
: [Emc-users] Thoughts / Recommendations on spindle drive and motor
[EXTERNAL EMAIL] Be sure links are safe.
Now I am ready to figure out what to do for the spindle drive.
The project is a 1972 Clausig NC lathe. The original paper tape fed controls
are long gone. I actually have the owners
More obviously, run the motor at its rated speed, change one of the pulleys
to give you your desired spindle speed.
On Thu, 24 Mar 2022 at 17:33, heritagespringerguy--- via Emc-users <
emc-users@lists.sourceforge.net> wrote:
> A VFD w/ anti-snoring features.
>
> Love it!
>
> > On Mar 24, 2022,
A VFD w/ anti-snoring features.
Love it!
> On Mar 24, 2022, at 12:16 PM, John Figie wrote:
>
> Now I am ready to figure out what to do for the spindle drive.
>
> The project is a 1972 Clausig NC lathe. The original paper tape fed
> controls are long gone. I actually have the owners manual.
Now I am ready to figure out what to do for the spindle drive.
The project is a 1972 Clausig NC lathe. The original paper tape fed
controls are long gone. I actually have the owners manual. The original
lathe had a 5 HP motor and a variable speed transmission similar to
bridgeport heads and many
Hey Andy I hear you.
Great idea on using CAD. There are many ways to do it. And Using CAD is
awesome.
On Sat, Aug 1, 2020, 5:32 PM Gregg Eshelman via Emc-users <
emc-users@lists.sourceforge.net> wrote:
> Have the person with the lathe use it to externally thread a length of
> metal so it will
Have the person with the lathe use it to externally thread a length of metal so
it will screw into something he already has to screw onto the spindle. Then he
can ship that to you to use for a fit testing piece.
On Friday, July 31, 2020, 4:26:20 AM MDT, stjohn gold
wrote:
Hi Andy,
On Fri, 31 Jul 2020 at 23:55, N wrote:
>
> Have some kind of tool made specifically to measure, bought wrong and never
> looked close at it.
There are lots of tools. They tend to be expensive and very specific.
For example: https://www.ebay.co.uk/itm/392769109694
Which probably cost over £1000
Have some kind of tool made specifically to measure, bought wrong and never
looked close at it.
> (Or "Why do I always take 4 goes at a fit with G76")
>
> I recently had the occasion to think harder than normal about threads,
> and especially about their sizing and fits.
> Threads were one of
On Fri, 31 Jul 2020 at 22:40, andrew beck wrote:
> For internal threads I usually use tig wire. Most machine shops have a tig
> welder and you can bend that and stick it in the bore to measure the
> threads.
I forgot that I had that in the workshop. Though I am not sure that I
have anything
That's cool Andy. I have done similar all the time. For external threads
I bought a cheap 3wire set that has a chart with it and gives me all the
calculations I need to use. It's just one simple formula and it tells me
the closest wire size I should be using.
For internal threads I usually use
Hi Andy,
great post, thanks! It all goes to show that threads are complicated. Some
of those standards were written over a period of 20 years, that is no joke.
Nothing to physically test your fit against - brave!
cheers, St.john
On Thu, Jul 30, 2020 at 9:54 PM andy pugh wrote:
> (Or "Why do I
(Or "Why do I always take 4 goes at a fit with G76")
I recently had the occasion to think harder than normal about threads,
and especially about their sizing and fits.
Threads were one of the very first things to be standardised and made
interchangeable, largely through the work of Josiah
On Monday 27 August 2018 15:17:39 Les Newell wrote:
> Gene, you mentioned settable soft limits in your last post. I have
> been doing some work along these lines.
>
> On my router the tool changer is on one end of the Y axis and a rogue
> g-code file could ram the spindle into it and do a lot of
Gene, you mentioned settable soft limits in your last post. I have been
doing some work along these lines.
On my router the tool changer is on one end of the Y axis and a rogue
g-code file could ram the spindle into it and do a lot of damage. A
while back I messed up my tool change
Closed mali GPU drivers, but you could run real time with preempt_rt on
one core and use the other 3 cores for software rendering and non real
time.
We had Axis running at 1920 x 1080 smoothly. Moving the windows around
would sometimes look choppy on the other 4 core Allwinner SOC's with
software
https://www.kickstarter.com/projects/librecomputer/libre-computer-board-tritium-sbc-linux-android-7-n/description
Just come across this any thoughts?
--
Check out the vibrant tech community on one of the world's most
On 03/13/2017 10:00 AM, Erik Christiansen wrote:
>> This has been a long time standard email client on many systems and is
>> still in use today.
> On this list, even.
And many other places.
>> It is *still* in development (last release ~16 days ago).
> "*still*", huh? Venerable it may be, but
On 12.03.17 23:17, Bertho Stultiens wrote:
> Mutt is a command-line email reader; see
> https://en.wikipedia.org/wiki/Mutt_(email_client)
>
> This has been a long time standard email client on many systems and is
> still in use today.
On this list, even.
> It is *still* in development (last
017 4:22 PM
> Subject: Re: [Emc-users] Thoughts on extending the life of the microsd's.
>
> Mutt is a command-line email reader; see
> https://en.wikipedia.org/wiki/Mutt_(email_client)
>
> This has been a long time standard email client on many systems and is
> still in use
Then why hasn't its issue with noatime been fixed?
From: Bertho Stultiens <ber...@vagrearg.org>
To: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net>
Sent: Sunday, March 12, 2017 4:22 PM
Subject: Re: [Emc-users] Thoughts on extending the life of t
noatime
http://en.tldp.org/LDP/solrhe/Securing-Optimizing-Linux-RH-Edition-v1.3/chap6sec73.html
. Mutt
http://www.tecmint.com/send-mail-from-command-line-using-mutt-command/
Dave
On 3/12/2017 6:04 PM, Peter Blodow wrote:
> Please, could someone explain to a poor physicist what noatime
On 03/12/2017 11:04 PM, Peter Blodow wrote:
> Please, could someone explain to a poor physicist what noatime and Mutt are?
Noatime refers to a flag that can be set on the filesystem. By default,
the access timestamp is recorded and saved in a unix filesystem (the
last time you access a file, any
Please, could someone explain to a poor physicist what noatime and Mutt are?
Peter
Am 12.03.2017 16:34, schrieb dragon:
> For about three years now, I know of no other applications that has
> issues with noatime other than Mutt. Everyone always says 'but it breaks
> programs like Mutt' but in
On Sunday 12 March 2017 11:34:27 dragon wrote:
> For about three years now, I know of no other applications that has
> issues with noatime other than Mutt. Everyone always says 'but it
> breaks programs like Mutt' but in reality these days, my experience
> has been that it only breaks Mutt. There
For about three years now, I know of no other applications that has
issues with noatime other than Mutt. Everyone always says 'but it breaks
programs like Mutt' but in reality these days, my experience has been
that it only breaks Mutt. There used to be more applications that it
caused issues with
On Sunday 12 March 2017 08:39:03 Erik Christiansen wrote:
> On 11.03.17 16:42, Gene Heskett wrote:
> > On Saturday 11 March 2017 12:02:36 dragon wrote:
> > > I doubt that you will ever hit the end of life on a quality SD
> > > card, especially a large size one. The writes that you are doing,
> >
On 11.03.17 16:42, Gene Heskett wrote:
> On Saturday 11 March 2017 12:02:36 dragon wrote:
>
> > I doubt that you will ever hit the end of life on a quality SD card,
> > especially a large size one. The writes that you are doing, and thus
> > the number of blocks, are TINY compared to what the
On Saturday 11 March 2017 12:02:36 dragon wrote:
> I doubt that you will ever hit the end of life on a quality SD card,
> especially a large size one. The writes that you are doing, and thus
> the number of blocks, are TINY compared to what the cards were
> designed for... photos and videos. You
I doubt that you will ever hit the end of life on a quality SD card,
especially a large size one. The writes that you are doing, and thus the
number of blocks, are TINY compared to what the cards were designed
for... photos and videos. You can also run a flash file system instead
of ext4 if you
Greetings all;
When I setup LCNC on the pi, one of the things I did was to make an
R-Pi_nc_files directory on the rotating media of this machine, copied
all the .ngc files I have generated to run on TLM to it, and cleaned out
the nc_files directory on the pi, leaving only 2 files, which will
On Sat, 25 Apr 2015, John Murphy wrote:
Date: Sat, 25 Apr 2015 17:58:40 -0600
From: John Murphy j...@wyosip.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users
Just curious, any ideas about the viability of the Linux version of the
Intel Compute Stick use for CNC?
--
One dashboard for servers and applications across Physical-Virtual-Cloud
Widest out-of-the-box monitoring support
My guess is it would be more trouble than it is worth...
- You need an RT kernel, so now you have to build it to work with this hardware.
- USB I/O - Not a good basis IMHO for real time hardware control
On Sat, Apr 25, 2015 at 4:36 PM, Jack Coats j...@coats.org wrote:
Just curious, any ideas
On Wednesday 15 October 2014 12:00:38 Sebastian Kuzminsky did opine
And Gene did reply:
On 10/15/14 4:07 AM, Frank Tkalcevic wrote:
I was so annoyed that the estimates for my 3d printing jobs were so
far off (estimated 2 hours, took 8) that I modified the axis code.
It looks at the
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Thoughts on a Python script to calculate
estimated
run time, for G code and my first hacked sub routine
My guess is the new tool planner's G64 settings are throwing off the
estimate. Try the real time with tighter G64 PXXX, and I
On 10/16/14 12:22 AM, Frank Tkalcevic wrote:
Yeah, I don't have the latest trajectory planner. 3d_chips was one of my
test files and came out ok without G64 settings.
Any suggestions on how to estimate with G64?
You'd need to duplicate the functionality of the trajectory planner to
get G64P
: Thursday, 9 October 2014 1:45 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Thoughts on a Python script to calculate
estimated
run time, for G code and my first hacked sub routine
On 10/8/14 9:01 AM, Schooner wrote:
First Q
From Axis
File Properties
Brings up
On 10/15/14 4:07 AM, Frank Tkalcevic wrote:
I was so annoyed that the estimates for my 3d printing jobs were so far off
(estimated 2 hours, took 8) that I modified the axis code. It looks at the
Velocity and acceleration of each axis and tries to calculate a more
accurate time. It only looks
@lists.sourceforge.net
Sent: Wednesday, October 15, 2014 12:00:38 PM
Subject: Re: [Emc-users] Thoughts on a Python script to calculate estimated run
time, for G code and my first hacked sub routine
On 10/15/14 4:07 AM, Frank Tkalcevic wrote:
I was so annoyed that the estimates for my 3d printing jobs were so far
version of linuxcnc is pretty old, so a diff or patch wouldn't be useful.
Frank
-Original Message-
From: Sebastian Kuzminsky [mailto:s...@highlab.com]
Sent: Thursday, 9 October 2014 1:45 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Thoughts
Thanks John,
I will keep this in mind if i need to calculate run times more
precisely.
Just out of curiosity how dose LinuxCNC deal with sub routines, if, or,
wile, logic ect. I am assuming it reads ahead does the calculations and
spit out standard g code to the interpreter where it is
If you need the exact time to run a file create a simulator with the
same acceleration and velocity settings as your machine. Add the time
component to the simulator then run your file.
JT
On 10/8/2014 10:01 AM, Schooner wrote:
First Q
From Axis
File Properties
Brings up the
Hello
I have been reading along on this mailing list for a few weeks now
and playing with Linuxcnc Axis simulator in my free time. Both have been
very informative and I have learned a lot. There are two items I was
wondering if I could get a comment on.
#1 Dose any one have a python script
On Wednesday 08 October 2014 08:36:06 linden did opine
And Gene did reply:
Hello
I have been reading along on this mailing list for a few weeks now
and playing with Linuxcnc Axis simulator in my free time. Both have
been very informative and I have learned a lot. There are two items I
First Q
From Axis
File Properties
Brings up the properties of the currently loaded gcode including
estimated run time
Always underestimates as it takes no account of time used in
acceleration and deceleration to/from the required Feed speed
regards
On 10/8/14 9:01 AM, Schooner wrote:
First Q
From Axis
File Properties
Brings up the properties of the currently loaded gcode including
estimated run time
Always underestimates as it takes no account of time used in
acceleration and deceleration to/from the required Feed speed
Yep,
On Wednesday 08 October 2014 10:44:58 Sebastian Kuzminsky did opine
And Gene did reply:
On 10/8/14 9:01 AM, Schooner wrote:
First Q
From Axis
File Properties
Brings up the properties of the currently loaded gcode including
estimated run time
Always underestimates as it
Thanks Sebastian Shooner for the comments, and Gene for running my code,
The file properties estimation of run time is exactly what I was
looking for. I intend to use it for path optimization in my code rather
than job estimation. I am comparing code to code. The actual run time I
m not
On Wednesday 08 October 2014 18:21:06 linden did opine
And Gene did reply:
Thanks Sebastian Shooner for the comments, and Gene for running my
code,
The file properties estimation of run time is exactly what I was
looking for. I intend to use it for path optimization in my code rather
: Fri, 14 Dec 2012 01:34:37
To: Enhanced Machine Controller (EMC)emc-users@lists.sourceforge.net
Reply-To: Enhanced Machine Controller \(EMC\)
emc-users@lists.sourceforge.net
Subject: [Emc-users] Thoughts on an electronic fuse
Greetings all;
The thought has occurred to me
\(EMC\)
emc-users@lists.sourceforge.net
Subject: [Emc-users] Thoughts on an electronic fuse
Greetings all;
The thought has occurred to me that an alternative to using the iffy,
and because the pid.error is subject to slight variations due to non-
linearities of speeds
On 12/14/2012 03:12 AM, Gene Heskett wrote:
And I screwed that royally, its 185mv/A, not .185mv. Way too late. Or too
early...
That's ok, it's late here, and I misread .185mV to be 185mV! 8-)
--
LogMeIn Rescue:
Greetings all;
The thought has occurred to me that an alternative to using the iffy, and
because the pid.error is subject to slight variations due to non-
linearities of speeds, making any comp type trip off have a best guess as
to when to activate, seems like a SWAG at best.
So, how about a
Machine Controller \(EMC\)
emc-users@lists.sourceforge.net
Subject: [Emc-users] Thoughts on an electronic fuse
Greetings all;
The thought has occurred to me that an alternative to using the iffy, and
because the pid.error is subject to slight variations due to non-
linearities of speeds
You missed by a factor of 10. Try $250 for 2d and wireframe.
On Wed, 2011-03-09 at 20:27 -0500, gene heskett wrote:
On Wednesday, March 09, 2011 08:25:07 PM dave did opine:
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful
On Thursday, March 10, 2011 04:15:25 PM dave did opine:
You missed by a factor of 10. Try $250 for 2d and wireframe.
3d, wireframe, and gcode output that would carve a solid model, and I'll
buy it. 2d, with no z data, doesn't cut it.
On Wed, 2011-03-09 at 20:27 -0500, gene heskett wrote:
I have been tinkering with a V90 I bought in December learning to write gcode
and using hand written programs making gadgets
Now I would like to try CAD/CAM apps
I have no experience with either
The only hard fast requirement is it run under Linux
Synergy seems a good match
Opinions???
Richard
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful which is one reason for the
steep learning curve. The embedded demos are very helpful. There is a 30
day free demo that I would suggest you try.
It has taken me a while but now I
how much does it cost?
On Wed, Mar 9, 2011 at 1:16 PM, dave dengv...@charter.net wrote:
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful which is one reason for the
steep learning curve. The embedded demos are very helpful. There
On Wed, 9 Mar 2011, Igor Chudov wrote:
how much does it cost?
I did not see a price for Synergy, only contact customer support
Another interesting CAM app is SheetCAM
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful which is
I just talked to Bob Schuppel at Synergy.
$250 will now get you 2D plus 3D wireframe.
It does not get you Solids ( aka parasolids with extensions)
Wireframe is more difficult to use than Solids but pretty powerful.
Bob was telling me about a case in Solidworks that would not machine.
In
On Wed, 9 Mar 2011, dave wrote:
I just talked to Bob Schuppel at Synergy.
$250 will now get you 2D plus 3D wireframe.
It does not get you Solids ( aka parasolids with extensions)
Wireframe is more difficult to use than Solids but pretty powerful.
Bob was telling me about a case in Solidworks
On 9 March 2011 20:21, kqt4a...@comcast.net wrote:
Synergy is capable of reading DXF ASCII data files in a limited way. You can
not export DXF files from Synergy.
This seems quite restrictive
DXF is nasty anyway. Not even AutoCAD can reliably read DXF files
created by their own software.
On Wed, 2011-03-09 at 14:21 -0600, kqt4a...@comcast.net wrote:
On Wed, 9 Mar 2011, dave wrote:
I just talked to Bob Schuppel at Synergy.
$250 will now get you 2D plus 3D wireframe.
It does not get you Solids ( aka parasolids with extensions)
Wireframe is more difficult to use than
On Wed, 2011-03-09 at 11:16 -0800, dave wrote:
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful which is one reason for the
steep learning curve. The embedded demos are very helpful. There is a 30
day free demo that I would
On Wednesday, March 09, 2011 08:25:07 PM dave did opine:
Synergy works well for me but since I had no drafting/cad training it
came up slow. However, it is very powerful which is one reason for the
steep learning curve. The embedded demos are very helpful. There is a 30
day free demo that I
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