scaling
Dave Caroline
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but but still gcode is restricting you
to changing one at a time :)
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this is a limitation. (Gang tooling, and a rack changer with
The sliding head in the garage has two tools on a rocker
so there is an inversion in direction for cutting too :)
Dave Caroline
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On Fri, Oct 19, 2012 at 3:02 PM, andy pugh bodge...@gmail.com wrote:
On 19 October 2012 13:16, Stuart Stevenson stus...@gmail.com wrote:
MPM www.mpm1.com in Wichita is always open for a visit from anyone. We
now have another place - Specialty Fabrication www.specialtfab.com is also
open for
for the daddy version working from the t slot see fleabay.uk item
360491648126
which also gives a downward force to the edge also
Dave Caroline
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in the priority.
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Deploy New Relic app performance management and know exactly
what is happening inside your Ruby, Python, PHP, Java
unit model 6E of which the
diffusion pump is just a part of it.
Dave Caroline
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I favorite thing that happened to a few of us at a previous job fixing
electronic kits (amplifiers tuners etc)
one sits there scope probe in hand probing everywhere on the board and
someone wanders by and says
I would work better if you switch it on!
I have been on both sides of that one :)
Dave
Cotton reacts with linseed oil, it is a cause of many workshop fires.
Dave Caroline
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My solution in an html system was forcing focus to the box,
so fix axis to return to the file open box after the function is
performed is what I would do
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/Analytics_OS_20120212-20120914.pdf
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at the same time to get maximum travel.
I realise that does not optimise the speed of the quill when tapping
but may be an easy hal fiddle
Dave Caroline
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Most devs has no idea what their production app
I have always wanted to build a deep memory logic analyser using
state at time(counter value) of change(any pin) as that compresses the
data very well
for some types of data stream but I never found the round tuit to
design it with.
These days an fpga should make it simple enough to do.
Dave
.JPG
It probably depends on the particular stone too.
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weeks?
I have a similar question about: https://www.emfcamp.org/
This weekend.
Looked interesting till I saw the price!
Dave Caroline
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)
http://www.archivist.info/cnc/works2008b/P1010226.JPG
Dave Caroline
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but the values are valid for chinese mills and lathes.
Dave Caroline
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Question is will it ever happen?
Instead of whining why not add the facilities you want, it is open source
Dave Caroline
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and human intervention
The current situation is bad for our image, too many complaints in irc
and on the mailinglist imo
Dave Caroline
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Just read documentation and problem solved. ?
For the “Final User”?
Not the final user you the integrator.
You should create whatever you think you need for your interface
it is open source so that you can
Dave Caroline
On Sat, Aug 11, 2012 at 7:50 PM, Gene Heskett ghesk...@wdtv.com wrote:
On Saturday 11 August 2012 14:41:44 jeremy youngs did opine:
Oops! Google Chrome could not connect to coyoteden.dyndns-free.com
There is no connection without the :85. OTOH, without the :85, I actually
get the routers
will scan a
better picture I think I have
Dave Caroline
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On Sat, Jul 21, 2012 at 2:08 AM, andy pugh bodge...@gmail.com wrote:
On 21 July 2012 01:43, Dave Caroline dave.thearchiv...@gmail.com wrote:
Back in 1885 they fixed the problem with two U shaped supports on levers
http://www.collection.archivist.info/archive/DJCPD/PD/2001/2001_05_08_Claymills
may like one
Dave Caroline
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will include
EN8DM iirc is a steel we used for clock parts it is a free machining
hardenable steel
another term you may see is leaded steels
but there are a huge number of steels.
choices
Dave Caroline
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.
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will include endpoint
/ACNTRL.html
bugs..must be loads
ignores SUBROUTINE
ignores the assembler (probably/should find dead links)
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Option 3 make a real phase converter ie a motor generator set
AC motor driving an alternator only problems I can see are
output frequency slightly low due to motor slip
changes in frequency due to surge loading, system needs a flywheel
Dave Caroline
to the phase converter motor :)
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Remember this is an LC network running at some amps and the current is
not in phase with the voltage.
so switching at zero volts might mean very high currents at that instant
Dave Caroline
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.
Dave
ps. even a .1 scale model would do.
Yeh. Please Dad? Please, please, please
I think dad has designs on that as well
http://www.collection.archivist.info/Dad%27s%20Shed!.JPG
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without sensible comments.
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://www.linuxcnc.org/docview/html/gcode/o-code.html#sec:subroutines
o100 sub
G53 G0 X0 Y0 Z0 (rapid move to machine home)
o100 endsub
...
o100 call (call the subroutine here)
Dave Caroline
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and stepper drivers, just
had to re purpose a PC
Dave Caroline
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at the wrong item to blame here?
Dave Caroline
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On Fri, May 11, 2012 at 8:24 PM, John Thornton bjt...@gmail.com wrote:
What should I look at?
can the drive fault be diagnosed (does it give an error number etc)
Dave Caroline
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faster lump on its side. now I have to wait for a new one in the post
Dave Caroline
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On Fri, May 11, 2012 at 9:02 PM, John Thornton bjt...@gmail.com wrote:
It just gives the same generic error for spindle or an axis. I assume
the first or last error it has stumbled across. I've had the problem
more or less since I got this machine. I've replaced all the caps in the
infeed unit
of the page to google than to the user, not easy to spot unless the
site admins are pro active.
We also need to keep on top of the site software versions and updates
again this is not googles problem.
Dave Caroline
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Are you on a real 3 phase or are you creating 3 from 1
Dave Caroline
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How does your phase converter work (which method)
any inbalance in phase or waveform will effect stuff downstream
Dave Caroline
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How would you know what state stepper/servos are in without homing in some way
do you have absolute encoders
Dave Caroline
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Boundary is the first to Know...and Tell You
On Fri, Apr 20, 2012 at 2:24 PM, Viesturs Lācis
viesturs.la...@gmail.com wrote:
2012/4/20 Dave Caroline dave.thearchiv...@gmail.com:
How would you know what state stepper/servos are in without homing in some
way
do you have absolute encoders
If there are no significant external forces
Measure the base voltage in the two states relative to +5
Dave Caroline
On Fri, Apr 20, 2012 at 4:18 PM, Viesturs Lācis
viesturs.la...@gmail.com wrote:
Hello, gentlemen!
I would appreciate, if someone could advice, what is wrong with my diy
relay driver.
I built it according to this scheme
a common mistake is to assume collector is the middle pin like the npn
but its the base
Dave Caroline
--
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Boundary is the first to Know...and Tell You.
Monitor Your
There is no way a base can go beyond around .6 volts if the transistor
is ok or it is connected correctly
shorting the base to ground will kill the transistor unless the psu is rubbish
Dave Caroline
--
For Developers
It may be safe to ground the left end of that 220 ohm resistor, but I'd be
tempted to use a 1k resistor as additional current limiting.
NONO this user has already killed a mesa card
Dave Caroline
--
For Developers
On Fri, Apr 20, 2012 at 10:18 PM, gene heskett ghesk...@wdtv.com wrote:
On Friday, April 20, 2012 05:18:06 PM Dave Caroline did opine:
a common mistake is to assume collector is the middle pin like the npn
but its the base
Dave Caroline
This one, according to the data sheet
On Fri, Apr 20, 2012 at 10:36 PM, gene heskett ghesk...@wdtv.com wrote:
On Friday, April 20, 2012 05:32:42 PM Dave Caroline did opine:
It may be safe to ground the left end of that 220 ohm resistor, but
I'd be tempted to use a 1k resistor as additional current limiting.
NONO this user has
remove trailing .
http://www.fairchildsemi.com/products/discrete/spm/index.html
Dave Caroline
On Tue, Apr 17, 2012 at 6:06 PM, Erik Friesen e...@aercon.net wrote:
Bad link?
On Tue, Apr 17, 2012 at 1:00 PM, Gabriel Willen gabewil...@gmail.comwrote:
What do you guys think about using one
My little lathe(Starturn) has 48 slots plus one index slot
you do need the index slot
Dave Caroline
On Wed, Apr 11, 2012 at 11:09 AM, Rolf Bredemeier r...@nur-solutions.de wrote:
Hi,
at time i am trying to convert a little desktop-lathe (WABECO) to CNC. In the
next day i will
build my own
apparently did the latter?
Regards,
Kent
Brent was on #cam a few years ago. MY irc client isn't very good so
A couple of us conversed with Brent a few hours ago in #cam
He is aware of our renewed interest.
Now I need to see why the ./configure script is breaking around the f2c part
Dave
spindle
http://www.archivist.info/cnc/Travelling_Gantry_Machine.pdf
Dave Caroline
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also
I think there be bugs
http://www.clipperroundtheworld.com/index.php/teams/derry-londonderry//crew-profiles/crew/
Dave Caroline
On Sun, Feb 26, 2012 at 6:46 PM, dave dengv...@charter.net wrote:
http://www.w-w-i.com/clipper_1112_race/gallery.php?srcher=Andy+Pughstrict=yesgp=iht=20513kt=20265pg=1
the simple thing often forgotten with optos is the pull up on the RX side
Dave Caroline
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is just
Isolation is about protection of low voltage circuits that cannot
handle any spikes outside normal ranges
and the voltages inherent with electrical noise in a working system
which could easily be up to 1000v or more.
It also removes the ground loop that add/subtracts from your signal.
Dave
in the machine display.
perhaps the work for vismach should be merged with cutsim
as our machines are all different and the stock we are cutting too
tool shapes are a can of worms for some, hot wire, form cutters etc
Dave Caroline
Re apt360, the maintaner is lurking on irc most of the time so can be contacted.
The channel on freenode where cam gets discussed is #cam and he is
there (crotchet)
I did download it and had a play, the source is interesting
Dave Caroline
but found
it was more elegant to do it in gcode
as I could use sensible(ish) variable names. why enter in a form,
generate code, transfer, when it is a simple edit to a standard gcode
file.
Gcode needs bringing up to date we no longer need cater for paper tape.
Dave Caroline
Another cheat is mount a rotary table off centre (even outside the
normal xy envelope)
and then you can make larger parts, ok the gcode is not so simple
unless you are making a gear.
Dave Caroline
--
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axis
I know of no other way than hand coding for my machine
I NEED better syntax not less syntax
Dave Caroline
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on an antique clock does not
have lead in/out ramps
but stop sharply at the chain/rope mounting usually. Probably easier to mill.
Somewhere I have the maths for the curve but cant find at the moment.
Dave Caroline
--
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Found my pics of the few pages in
The science of clocks and watches
A. L. Rawlings British Horological Institute 1993
about the fusee
http://www.collection.archivist.info/archive/DJCPD/PD/2007/2007_06_06_Rawlings/
Which has some maths for those wishing to put it in gcode
Dave
I would have expected some public discussion about new names etc
before a final decision
From when I went to get a trade mark it only covers an area this
allows multiple entities to own the same letters.
Dave Caroline
On Wed, Jan 18, 2012 at 8:57 AM, Lester Caine les...@lsces.co.uk wrote
if insufficient heatsink is
provided).
This may be ok for some operations but not all.
Dave Caroline
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chopped 3A means 3A AVERAGE the peak is much higher
Dave Caroline
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fully.
see half step and microstep sections
http://en.wikipedia.org/wiki/Stepper_motor
Dave Caroline
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anymore.
I used to cut aluminium section for lorry tipper bodies with it. It
was noisy, probably the cause of my tinnitus.
Occasionally would throw metal a hundred yards, somehow I still have
all my fingers.
Dave Caroline
before the B axis I made a worm
jacking the rotary to the required angle with some packing
http://www.youtube.com/watch?v=Jbp8SJ9RxqI
Dave Caroline
On Mon, Dec 26, 2011 at 8:00 AM, gene heskett ghesk...@wdtv.com wrote:
Greetings;
I've about worn out that 7x10 I have, and its rubber tool post
http://www.archivist.info/cnc/worm2.ngc
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The pictures reminded me of seeing some lowish cost Renishaw encoders
at a show a few years ago.
http://www.renishaw.com/en/magnetic-rotary-encoders--9801
Dave Caroline
--
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Get the SDK and tools
deflecting interest is not shutting down
Dave Caroline
On Mon, Nov 28, 2011 at 6:42 PM, Sebastian Kuzminsky s...@highlab.com wrote:
Right at the top, here: http://code.google.com/p/heekscad/
I don't have time to administer HeeksCAD properly and I suggest for a more
active project you look
On a web site so we can all see please :)
Dace Caroline
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when I get time as I
found I needed more travel for tooling, jigs etc
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errors, measure the result fiddle the program if
needed and either a final cut or for the watch verge till I get a good
one I can mount.
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($129.90), Microsoft Office
Professional ...
Download - LinuxCNC.org - Photoshop Cs Adobe - Adobe Photoshop Extended
Cs5
It's been reported several times, but nobody seems to have done anything
about it.
It takes a while for google's cache to be updated to reflect the site
corrections.
Dave
wavy washers are used for end float control for normal bearing, not
seen them used for taper roller
Dave Caroline
On Thu, Aug 25, 2011 at 5:24 PM, Cathrine Hribar bhri...@bresnan.net wrote:
Hi:
Was wondering if you, or anyone on here has a source for wavy spring washers?
The ones used
compensation
Dave Caroline
On Sun, Aug 14, 2011 at 5:18 AM, Chris Reynolds
c_reynolds2...@yahoo.com wrote:
In the past whenever I've machined holes they end up not perfectly round. I
wondered if part of that could be because of the backlash compensation or
some other setting that I have. I don't
And another source of error is loose gib strips and off center lead
screws, causes a rotation of the table
Dave Caroline
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I cheat and use the rotary table :)
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And a possible other case I cannot answer myself
trajectory planner setting and how close to the planned curve it
manages or you set
Dave Caroline
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Im often working on round parts so a chuck is mounted on a rotary
http://www.youtube.com/watch?v=Jbp8SJ9RxqI
then I can mill it all at one basic setting so it will be concentric, round
and regular features where I want
Dave Caroline
On Mon, Aug 15, 2011 at 2:05 AM, Dave e...@dc9.tzo.com wrote
I agree with Kirk, I have a web site with obscure part numbers of
parts I have with some silly prices
eventually one gets lucky and ship some ICs or motors around the world.
Dave Caroline
On Fri, Aug 12, 2011 at 7:10 PM, Kirk Wallace
kwall...@wallacecompany.com wrote:
On Fri, 2011-08-12 at 09
I think one did add encoders to a stepper but basicly makes littles
sense because if they loose lock they stall
and you then need to stop and re-accelerate back to speed, better to
use real servo.
Dave Caroline
You do realise EMC requires Linux and a realtime kernel.
Learning how to debug on Linux will be more helpful to you.
So windows is just not used for EMC unless its a remote display, with
the control part running on the Linux box.
Dave Caroline
On Sun, Jul 31, 2011 at 1:48 PM, MengJianjun mzy.che
cache somewhere that needs a clean
may just need to wait for the natural timeout of the dns data (ttl)
ping is sometimes ignored and not returned on busy servers
best is try traceroute {ipaddr}
Dave Caroline
On Thu, Jul 28, 2011 at 6:05 PM, Viesturs Lācis
viesturs.la...@gmail.com wrote:
2011/7/28
See http://wiki.linuxcnc.org/emcinfo.pl?TrajectoryControl for explanation
As discussed on the page you can use the exact path mode
so it goes to the full extents.
but it probably means your acceleration times need looking at.
Dave Caroline
On Tue, Jul 26, 2011 at 2:53 AM, Neil emc_d
have EMC2 make gears :)
http://gears.archivist.info/gears/index.html
(some were made on dedicated machines not emc)
Dave Caroline
On Mon, Jul 11, 2011 at 8:57 PM, Viesturs Lācis
viesturs.la...@gmail.com wrote:
Thank You!
Viesturs
2011/7/11 andy pugh bodge...@gmail.com:
On 11 July 2011 20:45
Probably simpler to make an awk script, or even fix the source of the
error, ie fix the cam post processor to do emc2
Dave Caroline
On Thu, Jun 9, 2011 at 4:21 PM, Karl Cunningham ka...@keckec.com wrote:
I have need to parse a gcode file and I'd like to do it in Python. It
seems that wheel
Missing from the question is the actuals joins needed, angles and
types of cut, are the pipe sizes the same etc. and then there are the
moves for welding which are another problem due to welding
constraints.
Dave Caroline
Joining the list is moderated, I recognized the name, welcome, and
just approved you.
Dave Caroline
On Sun, May 8, 2011 at 5:02 AM, gene heskett ghesk...@wdtv.com wrote:
On Saturday, May 07, 2011 11:58:35 PM R. van Twisk did opine:
Gene,
they have been adding my through some interface
For frameworks depends what level, emc itself has vismach for the
machine but not the cutting
Look at what Anders Wallin is doing with opencamlib http://www.anderswallin.net/
Dave Caroline
--
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in
1) to uncomment to stop the code at certain points while setting up and
2) to remember what I did
I also use sensible names for the variables I hope.
The touch off to get the cutter on the centreline in my case is a pain.
Dave Caroline
On Tue, May 3, 2011 at 8:29 PM, Steve st...@tgifinc.com
For certain classes of work you dont need special kinematics, I have
been cutting gears for clocks
on a mill with stacked A on B, I hand craft the gcode though, as it
happens to suit the work I do.
Dave Caroline
On Tue, May 3, 2011 at 12:57 AM, Steve st...@tgifinc.com wrote:
I am interested
it will undercut the material or the adjoining moves have to be shortened
Dave Caroline
On Wed, Apr 6, 2011 at 3:40 PM, Les Newell les.new...@fastmail.co.uk wrote:
Why is it an error for a concave arc's radius to be equal to the tool
radius when using tool comp? Admittedly it will result
You can equally tilt the table to get the same/similar machining
envelope. It depends on what you are going to make and also space for
the machine.
Dave Caroline
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Use the most
Depends if it is a machine tap, hand taps dont have the spiral to
clear the chips,
worse would be tolerance of the hole bottom depth, A, dont hit it. B,
leave space for chips
Use a machine tap that clears chips back up the flutes.
Dave Caroline
On Fri, Mar 25, 2011 at 2:01 AM, Igor Chudov ichu
Avoiding hitting the work or tooling or whatever is on the table
Maybe time got g0 got an extra parameter for exact moves
Dave Caroline
On Fri, Mar 18, 2011 at 4:05 PM, andy pugh bodge...@gmail.com wrote:
On 18 March 2011 15:23, Stuart Stevenson stus...@gmail.com wrote:
if the g64 p only
the worm over to make sure no flank
undercutting occurs and the code is from before I added the 5th axis
so the tilt and modificatrion to pitch needed is missing from the
gcode
Dave Caroline (archivist)
On Sat, Mar 12, 2011 at 11:49 AM, Roland Jollivet
roland.jolli...@gmail.com wrote:
I have seen
be consistently on the same helix,
a measuring nightmare, use machine taps as they are designed for a
single tap to do the work and have the correct swarf clearance flutes
for cnc work.
Dave Caroline
On Wed, Feb 16, 2011 at 5:21 PM, andy pugh bodge...@gmail.com wrote:
Is there any reason why it would
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