How do you temper your Plexi?? Heat it up the area with a hot air gun or ??
Dave
On 8/3/2018 12:22 PM, Bengt Sjölund wrote:
You always have to temper the PLEXI after using cutting tools to get
rid of 'tensions' built up by the cutting! This is a MUST DO !!!
Have been doing
How do you temper your Plexi?? Heat it up the area with a hot air gun or ??
Dave
On 8/3/2018 12:22 PM, Bengt Sjölund wrote:
You always have to temper the PLEXI after using cutting tools to get
rid of 'tensions' built up by the cutting! This is a MUST DO !!!
Have been doing
Maybe 25% or so.
Lexan is much more impact resistant, so why not use that... Unless you
have sheets of Plexiglass lying around. :-)
Dave
On 8/2/2018 11:58 PM, Peter Blodow wrote:
Gentlemen, treating transparent plastic material is tricky, but not
hard to do. For instance, in my company's sho
On 8/2/2018 1:32 PM, Gene Heskett wrote:
On Thursday 02 August 2018 12:37:36 Dave Cole wrote:
Why not put a standard keyboard into a plexiglass box with an open
side towards the operator?
You can still see the keys if needed if you make it out of clear
plexi. A sheet of 1/4" plexi, a
e, or buff it out.
Dave
On 8/2/2018 11:56 AM, Gene Heskett wrote:
On Thursday 02 August 2018 10:19:14 Przemek Klosowski wrote:
On Wed, Aug 1, 2018 at 5:12 PM Gene Heskett
wrote:
On Wednesday 01 August 2018 13:50:46 Przemek Klosowski wrote:
How about $12.50? Here's a purportedly waterpro
f the plain geometry and so trig.
On Fri, Jul 27, 2018 at 7:23 PM dave engvall wrote:
Oh damn, I just sent my reply to Andy not to the list so here goes again.
I just had Ray Henry on the phone and picked his brains. He says tk was
written for the hexapod so one needs to find the hexapod kinem
I can do is relay information. Sorry I can't be more help.
An "old" wiki may shed more light.
Dave
On 07/27/2018 02:59 PM, andy pugh wrote:
> On 27 July 2018 at 22:01, yomin estiven jaramillo munera
> wrote:
>> hi to everybody, my application is a hexapod and i de
programming is more efficient unless the extraneous material is well
balanced around the final shape.
There is a Windoze version which loses a few features but I run it on
Linux. :-)
Dave
Dave
Dave
--
Check out t
g how much damage a failed drive can make inside a control
panel before a fuse or breaker trips.
Steel panels contain the fire and sparks and can prevent your house from
burning down.
Resist the urge to make a cabinet out of plywood or plastic that burns
easily.
Dave
On 7/14/2018 3:15 PM, Chris
with the
laptop while running off battery power (the Laptop was isolated from
absolute ground) since it was not plugged in via the AC power supply.
Here are some things to read:
https://control.com/thread/1026164262
http://forums.mrplc.com/index.php?/topic/15175-ground-the-24vdc-power-supply-com
On 7/13/2018 12:05 PM, andy pugh wrote:
On 13 July 2018 at 16:52, Dave Cole wrote:
That's pretty much standard these days.
I'm not making this stuff up. That's how its done.
I think that there is still some confusion out there. I used to work
for a company making specialist
nicalucense.com/portfolio/industrial-automation/
If you use decent equipment and follow their shielding recommendations,
noise is typically not an issue. But each device has undergone CE EMI
noise testing as well.
Dave
On 7/13/2018 1:48 AM, Erik Christiansen wrote:
On 12.07.18 15:33, John Dammeye
04:55, Dave Cole wrote:
Typically in a multi-panel control system setup there is a ground bar in
each panel. The incoming AC power ground is tied to this and the 24 volt
power supply negative is tied to the local ground bar just as I described
before. If all of these panels are on a common ma
AC control wiring is being installed any longer.
Dave
On 7/12/2018 6:33 PM, John Dammeyer wrote:
So what happens when the equipment with the 24V supply is 30m long in multiple
steel frames? There would be a bonding wire from frame to frame since you
wouldn't want to bond one end to one A
Agreed, I have never seen a high voltage DC drive bus leg connected to
ground. That could cause all kinds of problems!
Dave
On 7/12/2018 5:31 PM, andy pugh wrote:
On 12 July 2018 at 20:12, John Dammeyer wrote:
Is it standard practice to connect the DC Servo and DC Instrumentation Bus
to
from the signal "ground" or "reference" terminal. They are
usually two different terminals. One is oftentimes a cable lug or
bolt-cable lug connection, and the other a small screw terminal.
FWIW, I am in the machine controls business. PCs are common components
in machine c
of them.
I screw that to the panel back plane and run all of the ground wires to
that block. That grounds the steel panel, backplane, and everything in it.
The incoming power ground wire is also connected to the same bus bar.
Dave
On 7/12/2018 3:12 PM, John Dammeyer wrote:
Is it standard
So these need to be hardened after cold forging ?
You want them to have a max 25 HRc after forging and prior to heat treatment?
Dave
On 7/10/2018 11:54 AM, Leonardo Marsaglia wrote:
Hello to all.
I'm trying to figure out wich is the best material for making cold formed
bolts wich ne
Just run it off 220.
Or if not easily available, pickup a used 240 to 120 large control
transformer and run it backwards.
They are not hard to find. 500 and 1000 va is a very common size.
Check Ebay or surplus industrial/electrical deals near you.
Dave
On 7/9/2018 2:27 PM, Ralph Stirling
including free shipping. It was
suppose to have a standard 7/8" keyed spindle (AMCO standard spindle),
but it is not.
Its a smaller metric shaft.
Dave
On 7/8/2018 11:36 PM, Ralph Stirling wrote:
Anybody ever checked out this type of motor for
CNC use? Seems like a pretty good deal for
drive the rollers, but I think chains are sometimes used as
well.
There are a lot of wire processing facilities around me and a lot of
bolt plants.
Dave
On 7/2/2018 1:57 PM, Ralph Stirling wrote:
Check out "wire straightening machines" on youtube. You'll
see a bunch of machi
have them delivered.
Dave
On 6/22/2018 12:47 AM, Kurt Jacobson wrote:
Chris, that is a very clever way to get the cheap eBay rates for non eBay
shipments! I'll have to keep that in mind for sure.
Cheers,
Kurt Jacobson
505-303-1933
Sent from Mobile
On Fri, Jun 22, 2018, 12:28 AM
Great idea... in fact I think I will use that idea to cool my TIG
welding torch! :-) A radiator from a compact car should be cheap at
the junk yard.
It might even come with an electric fan if I ask for it!
Dave
On 5/24/2018 8:28 AM, Kenneth Lerman wrote:
It sounds to me like a car
RV antifreeze works well for things like this. I have been using it for
years in my bandsaw coolant tank. It doesn't seem to go bad even after
years and it doesn't evaporate much.
For cooling, You might want to consider making a flat tank. Two sheets
of steel or alum spaced apart an inch or
40 Mb winchester.
I'm keeping the system cabinets because they make really good storage
and are WAY too heavy to ship. :-)
All will go for shipping costs.
I just hate to throw them in the dumpster.
If you are in the NW then local pickup may be practi
On 4/16/2018 9:43 PM, Jon Elson wrote:
On 04/16/2018 10:43 AM, Dave Cole wrote:
If you want to get fancy, you can chill water with heat using an
ammonia absorption system (chiller). That's what hospitals and many
large commerical buildings use for air conditioning. But they get
co
I've had a open loop ground water heat pump in my house for 22 years.
I'm ripping it out soon since they just ran natural gas down the road.
I travel for work, and I need a system that works very reliably.
Ground water heat pumps can be high maintenance.
PM me if you want to discuss.
I w
Andy,
it sounds to me like you need to further automate the coolant refill
process, with a pump and a remote bulk tank. :-)
Dave
On 4/12/2018 2:37 PM, andy pugh wrote:
It isn't easy to get to the coolant tank on my mill (because the tool
cart is there) so I top up the coolant by pouri
nk is huge).
Dave
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
___
Emc-users mailing
Consider using a timing belt drive. Not exactly a timing belt, but a
cogged tooth belt. They make cogged tooth belting specifically for
linear actuators.
You can buy it several inches wide so 6 hp would not be a problem. I
did a servo drive setup to propel a machine carriage with such a belt.
VFD, your life will be much simpler to simply get
a single phase input VFD and a suitable motor.
You can find 3 phase gearbox equipped motors on Ebay that can get you
500 rpm max.
Dave
On 4/11/2018 2:01 AM, David Berndt wrote:
Wondering if anyone had any preference/experience/advise to share
Many Digital servo drives can be configured for simple motion moves via
their internal logic. Automation Direct and Teco servo drives can do
that. You can trigger the motion with digital I/O. The motion is
basic but that may be all you need.
Dave
On 3/28/2018 11:15 AM, Marius Liebenberg
I've had excellent luck with the TP-Link TL-WN722N with Linux.
No drivers or Linux hacking required.
I think they have a newer model and I have no experience with that one.
I bought three of these when they were about $12.00 each for a while.
Its a plug and go on every Linux box I have.
Dav
On 1/24/2018 7:38 PM, Chris Albertson wrote:
On Wed, Jan 24, 2018 at 4:06 PM, Dave Cole wrote:
That is likely an unshielded prox switch. That means that the sensing
pattern is a blob that sits right at the base of the plastic tip, not
above it.
That means that they can also sense to the
f the tube.
I tend not to use unshielded proxes as they can trigger sometimes when
you don't expect it due to brackets nearby etc.
Its amazing that they can sell those for just over $2 bucks.. Crazy cheap!
Dave
On 1/24/2018 3:18 PM, Chris Albertson wrote:
An interesting you tube video
tion to dig thru! If you go down far enough there are
some comments on coolant for CBN.
HTH
Dave
On 01/07/2018 03:19 PM, Stuart Stevenson wrote:
The carbon in the steel and the carbon in the diamond have an affinity for
one another.
On Jan 7, 2018 11:56 AM, "Gene Heskett" wrote:
On
of a Huan Yang?
Dave
On 1/3/2018 2:29 PM, Eric Keller wrote:
On Tue, Jan 2, 2018 at 10:26 AM, Eric Keller wrote:
The Huan Yang line of VFDs sold on ebay feature a 4kw version that will
run off of single phase. The only problem with them is lack of braking on
some models. The Mach crew have
Did you have to put a choke or filter on the incoming power to mimimize
EMI ??
That's a good reference!
Any issues with that drive?
Thanks,
Dave
On 1/3/2018 11:56 AM, andy pugh wrote:
On 3 January 2018 at 16:03, Dave Cole wrote:
So... is anyone going to buy the $125 5 hp drive and l
OK, I just applied for membership at Ethercat.org
Hopefully they approve it and quickly.
I'll let you know.
Dave
On 1/3/2018 12:03 PM, Nicklas Karlsson wrote:
On Wed, 3 Jan 2018 11:19:55 -0500
Dave Cole wrote:
On 1/2/2018 5:31 PM, Nicklas Karlsson wrote:
periodic data in position co
ry clear.
http://www.hiwin.com/pdf/ethercat_drive_user_guide.pdf
Dave
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http
or pump then having onboard
braking circuitry might be close to worthless.
The Estop requirements on most automation machinery requires a rapid
stop on all rotating machinery.
So... is anyone going to buy the $125 5 hp drive and let us know how
long it lasts before the drive goes "pop&quo
On 1/2/2018 4:08 PM, Nicklas Karlsson wrote:
I am not able to register as a user at Beckhoff
Why not?
I'm already signed up.
What are you looking for? I can do some digging.
Dave
--
Check out the vibrant
So what exactly do they do when the bus voltage rises during decel ??
Or is there no decel control at all?
I've never seen a drive without braking circuitry and DC bus voltage
control.
Dave
On 1/2/2018 11:07 AM, John Figie wrote:
That would be a poor design if no braking resistor caus
They have a very
good reputation and are not normally low priced drives.
Dave
On 1/2/2018 10:37 AM, John Figie wrote:
Dave,
Yes I want a 5hp vfd with single phase input and that is why i am
interested in the gohz GK3000-2S0037 @ $294. On amazon there are some even
cheaper @$132 but there is
large quantities and
he has an assortment of small punch presses and the entire shop runs off
single phase power with a phase converter. So it can be done.
Sometimes low tech is enough and if you don't need variable speed it can
work well.
Dave
On 1/1/2018 7:58 PM, Gregg Eshelman vi
https://www.ebay.com/itm/UPDATED-220V-4KW-5HP-VARIABLE-FREQUENCY-DRIVE-INVERTER-VFD-NEW-/272864297426?_trksid=p2349526.m4383.l4275.c10
Really cheap!
Dave
On 1/1/2018 3:53 PM, Greg Bernard wrote:
Yes I did! Sorry.
https://www.driveswarehouse.com/?gclid=Cj0KCQiAsqLSBRCmARIsAL4Pa9T6TYOzrv9mH_DO_eki
10 hp 3 phase motor as a base device for
the converter.
You can also make a static 3 phase adapter for your existing motor
simply by adding some capacitors to "power" the third phase. Info for
that is also on the net.
Dave
On 1/1/2018 3:46 AM, Nicklas Karlsson wrote:
Usually
Wow... that's great!
Dave
On 12/24/2017 6:44 AM, Nicklas Karlsson wrote:
I just got SPI started on my Ethercat LAN9252 board. It turned out SPI MISO
where configured twice.
For some reason I think almost all manufacturers choose to configure by pin so
for peripheral input pins
So you are using this
https://openethercatsociety.github.io/doc/soem/index.html
What eepromtool are you using?
Dave
On 12/17/2017 11:15 AM, Nicklas Karlsson wrote:
I got a simple Ethercat board with a LAN9252 chip and SPI interface.
The chip seems to work although SOEM and eepromtool
packets via Wireshark.
Dave
On 12/16/2017 8:41 AM, Nicklas Karlsson wrote:
The lights do not turn on the switch port that your Ethercat device is
plugged into?
Yes I tried both ports and soldered the EEPROM. Software in micro controller is
not an issue because SPI port is not turned on until
I would plug into the device directly, without a switch in the middle.
Dave
On 12/13/2017 4:19 PM, Nicklas Karlsson wrote:
The lights do not turn on the switch port that your Ethercat device is
plugged into?
Light turn on both on LAN9252 card and switch.
Did you install TwinCat 2 or TwinCat
The machine ran for years after the installation.
Dave
On 12/13/2017 10:16 AM, andy pugh wrote:
On 13 December 2017 at 15:08, John Kasunich wrote:
One thing to be aware of: If your application runs the motors in the same
direction for long periods of time, absolute position will keep incre
/reference/ethercat/html/EtherCAT_intro.htm&id=
See the Suchen button. I think that is "search" in German.
https://infosys.beckhoff.com/english.php?content=../content/1033/cu1128/1037001483.html&id=
https://infosys.beckhoff.com/english.php?content=../content/1033/epp1xxx/2154676
FWIW, the Twincat software is a free download.
Dave
On 12/11/2017 2:39 PM, Nicklas Karlsson wrote:
These links provided me with the answer. The EEPROM is supposed to be
programmed via Ethernet connector. Beckhoff have special software for this and
I also see Twincat system manager, maybe
, etc remotely as well.
You might be able to run the machines from home! ;-)
Dave
On 12/11/2017 12:05 PM, Todd Zuercher wrote:
I've been mulling an idea over in my head. Seeking ideas and opinions.
I work with wood carving machines, doing large production runs in a factory
setting. I
On 12/01/2017 08:19 AM, dave engvall wrote:
Hi all,
I'm attempting to build sim on a Mint 18.2 machine. A friend of mine
has in running 18.2 and 18.3
under VM so this should not be a giant leap.
Has anyone tried sim under Mint? Any ideas or suggestions?
This is a rip installation
re is a conflict on this machine that does not exist on others.
This is driving me over the edge as if I wasn't already there. ;-)
I will gladly provide more information I just need to know what might help.
Clearly I'm missing something.
TIA
Dave
dave@davedesk ~/linuxcnc $ scripts/li
ce its way into that style of terminal, when the
leaf, driven by the screw, is already pre-bent into the closed position
Have you tried bootlace ferrules?
Try automation direct. Many sizes...
Dave
--
Check out the vi
just stepper motors.
Current ebay prices for the motors are considerably more that I paid.
Will consider reasonably offers. I have three of them.
Dave
--
Check out the vibrant tech community on one of the world&#
Ya mean there isn't a dead '88 Caddy in a junk yard near by. I assume
the gear is in the rear of the transmission.
That is the first place I would look.
Dave
On 11/23/2017 11:37 AM, Gene Heskett wrote:
On Thursday 23 November 2017 14:16:27 jrmitchellj . wrote:
Before going
On 11/20/2017 12:00 PM, dave wrote:
On 11/19/2017 07:34 PM, dave wrote:
On 11/19/2017 04:55 PM, Peter C. Wallace wrote:
On Sun, 19 Nov 2017, dave wrote:
Date: Sun, 19 Nov 2017 16:11:13 -0800
From: dave
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Mac
On 11/19/2017 07:34 PM, dave wrote:
On 11/19/2017 04:55 PM, Peter C. Wallace wrote:
On Sun, 19 Nov 2017, dave wrote:
Date: Sun, 19 Nov 2017 16:11:13 -0800
From: dave
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subje
On 11/19/2017 04:55 PM, Peter C. Wallace wrote:
On Sun, 19 Nov 2017, dave wrote:
Date: Sun, 19 Nov 2017 16:11:13 -0800
From: dave
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: [Emc-users] 5i20 problems
My 5i20 has
Or do I simply send the board back to Peter and see
if it is repairable?
Lost in the wilderness. ;-)
Dave
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http:
On 11/15/2017 09:22 AM, andy pugh wrote:
On 14 November 2017 at 06:22, dave wrote:
So: any recommendations for bearing arrangement?
This document seems to have about 3x as much information as anyone would need:
http://www.exvalos.cz/soubory/File
On 11/14/2017 02:42 AM, andy pugh wrote:
On 14 November 2017 at 06:22, dave wrote:
So: any recommendations for bearing arrangement?
Why wouldn't you use exactly what Cincinatti used?
Ah! Leave it to Andy to ask the logical questions.
Vintage of the machine is early '60'
omise between stiffness and speed. Lately
I've been doing a lot of milling with 1/4" coated carbide at
3450 rpm. The tool holder is a truncated taper of CAT 40 size but held
on by a big nut.
Ideas, suggestions, WAG's, SWAG's...
I've been told they sell as many game (trail) cams as security devices
as they do to hunters.
The trick in the woods as well as at home is to keep nasty people from
stealing them or vandalizing them.
Dave
On 11/13/2017 11:50 AM, Gene Heskett wrote:
On Monday 13 November 2017 13:44:57
echnology may be
old but it still works.
Advice is worth just what you paid for it. ;-)
Dave
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm
On 11/3/2017 8:22 PM, Gene Heskett wrote:
Kidde, after some proding by the feds consumer protection agency, have
announced a free replacement of an estimated 37.5 million of the ABC
types with plastic handles.
Geez.. I have a plastic handled Kidde sitting next to me right now!
Thanks,
Dave
selling
non-networked drives.
Dave
On 10/27/2017 2:23 PM, Gene Heskett wrote:
On Friday 27 October 2017 13:14:30 Dave Cole wrote:
Check out this video - this is 2013 and he is using Ethercat with
LinuxCNC. Unfortunately I can't understand him. :-(
https://www.youtube.com/watch?v=yR9r
Thank you!
Dave
On 10/27/2017 1:18 PM, Martin Dobbins wrote:
He does do some that you might understand 😉
https://www.youtube.com/watch?v=JU2lFg1rwgg
Martin
From: Dave Cole
Check out this video - this is 2013 and he is using Ethercat with LinuxCNC
Check out this video - this is 2013 and he is using Ethercat with LinuxCNC.
Unfortunately I can't understand him. :-(
https://www.youtube.com/watch?v=yR9rCFavFjU
Dave
On 10/27/2017 6:40 AM, Nicklas Karlsson wrote:
I make my own hardware, it's only for fun and I do not intend to ear
What is the cost of an Ethercat chip ?
Dave
On 10/24/2017 11:48 AM, Nicklas Karlsson wrote:
Hardware for master is hard to find because you don't need it. Any normal
Ethernet port works. Master is a software-only solution.
Time triggered transmit would be useful to get perfect timin
I/P
with different firmware. For instance, the Kollmorgen AKD drives were
sold as being able to do that about 5 years ago.
Dave
On 10/23/2017 3:32 PM, Nicklas Karlsson wrote:
I have tried different hardware for real time communication and decided for the
best quality Ethercat or maybe Ser
ung+850+evo
The life of those things is suppose to be a decade or more even with
frequent writes.
They aren't dirt cheap, but if you want to do it once, close the control
panel and then run the machine for 10 years, it is likely well worth the
few extra $.
Dave
On 10/18/2017 7:
and they run at about 20 watts and peak at about 40 at startup and if
running hard. Really low power.
The M350 case is very common as well and it can be purchased with
mounting rails so it can be screwed to a panel backplane or mount.
Dave
On 10/18/2017 12:39 PM, John Dammeyer wrote:
Hi
iable than conventional power supplies.
I can get 2-3 years out of conventional power supplies when run 24x7,
but I have yet to have a failure with a Pico and I have installed
several over the last 5+ years. I don't know why.
Dave
On 10/18/2017 4:49 AM, Lester Caine wrote:
On 18/10/17 0
There are a few utilities out there to create a bootable USB stick drives.
I think I have used this one.
https://unetbootin.github.io/
And this one..
https://www.pendrivelinux.com/linux-live-usb-creator/
If you can get the USB stick drive to work, it is really fast to install.
Dave
On 10/16
pulse per rev. IE, Mach3. That is
normally a velocity ratio. Traditionally, the only time you need to
"gear" the tool to the carriage is threading.
Dave
On 10/16/2017 12:11 PM, John Dammeyer wrote:
Hi Andy,
Yes and no. A turning operation is actually just a very fine pitch threa
I think it is clear that end users should never have to edit a text file.<<
What! Why ??
So we get rid of Gcode entirely since they are text files??
When my Mom sends me an email she creates and edits a text file. She's 87.
Why would we want to restrict users to "point a
indow and one could
trim it back to customize. I pretty much make small parts and am
seriously ADHD so things change by the minute. I'm only a few years
behind Gene H. I know, excuses, excuses. Nevertheless, I use
lcnc
Dave
---
times, but for a one-off...
Why not use an Intel NUC with a Mesa Ethernet connected board?
Velcro the NUC PC to the back of your monitor.
Apparently it does work.
https://forum.linuxcnc.org/18-computer/32275-anyone-tried-the-intel-n3150-cpu-atom-4-core
Dave
On 10/11/2017 1:56 PM, John Damm
a row is not fun.
Glad you enjoyed your time here.
Dave
ps. I rely on a big fan to suck in cool night air for AC.
On 10/10/2017 09:06 AM, Kurt Jacobson wrote:
That is interesting Dave,
I got in my Conestoga wagon (2010 sprinter) and headed west for the first
time a few months ago.
I ended up
t your PC.
You won't regret it.
Dave
On 10/10/2017 3:34 PM, John Dammeyer wrote:
-Original Message-
From: Dave Cole [mailto:linuxcncro...@gmail.com]
Sent: October-10-17 11:17 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] MachineKit on the BeagleBone Black
Hi John,
g driven by Chinese import machines arriving in the US with fraudulent
Mach3 licenses.
Lester, When I thought of "support", I really didn't have you in mind. :-)
Dave
On 10/10/2017 3:49 PM, Lester Caine wrote:
On 10/10/17 20:30, Dave Cole wrote:
Small mills was always Mach3&
keep supporting Mach3.
I just found the recent specs for Mach3 and 4 and apparently Mach4 now
supports PLC ladder logic as well! I did not know that.
That's used in most of the commercial CNC machines I have worked on.
Dave
On 10/10/2017 3:01 PM, Lester Caine wrote:
On 10/10/17 19:16, Da
Hi John,
I am surprised that you are still talking about Mach3. I thought that
Mach3 was suppose to be obsoleted by now
and replaced by Mach4. What happened? I've been out of the Mach3 loop
for a while.
Dave
On 10/10/2017 1:23 PM, John Dammeyer wrote:
I have a MPG on my ELS fo
se
and shifting polarity of the jog will cancel the motion and go the other
way. Just happened to stumble on this behavior. Serendipity is good
stuff. ;-)
Dave
--
Check out the vibrant tech community on one of the world&
I is really too bad someone didn't grab the spindles and electronics
early on. Or at least found a barn to store it in.
Dave
On 10/10/2017 07:11 AM, Todd Zuercher wrote:
From the condition of the dust collector hoses in the picture I'd guess it's
been setting outside for
o well.
Yep! more information than you planned on.
Dave
On 10/10/2017 06:00 AM, Kirk Wallace wrote:
On 10/07/2017 09:22 AM, Andy Evans wrote:
https://portland.craigslist.org/grg/tls/d/huge-shoda-cnc-router-funac/6310723057.html
Rainy season is starting. Is this still outstanding in it
It 90 mi from me and I'm still not tempted.
Dave
On 10/07/2017 09:54 AM, Kurt Jacobson wrote:
Shame it has been out standing in its field for so long. But it looks
salvageable.
Good thing it is on the other side of the country from me ...
Cheers,
-Kurt
On Sat, Oct 7, 2017 at 12:22 PM,
n the
tailstock.
Dave
I have to be very careful or I learn something every day.
On 10/04/2017 08:28 PM, John Bald wrote:
It does seem a lot simpler now...assuming I understand the whole idea.
So the only difference in the stand itself is the single contact point
on the tailstock end? There is no
Sometimes if you can find a scrap yard around your location, you can
find something that can suffice for a machine base.
I once bought a cast steel die table for $100. The hard part was
moving it. Even with a large hand truck it was difficult. Scrap is
being bought by scrap yards for $100/to
way and basically
could have lifted them off the ship ... or off a barge into place.
But then what do I know. Politics and logic are rarely in the same room. ;-)
Most interesting project.
Dave
On 08/23/2017 09:59 AM, Dave Cole wrote:
Sounds like you have a budget and if you are willing to put
don't fit on semi
trailers very well.
Dave
On 8/23/2017 12:19 PM, Rick Gresham wrote:
The building will likely typical concrete tilt-up or something similar. The
system will have to track/control position in real time. Collisions will be
very expensive so redundant systems are easily just
Several years ago I worked on a quote for a job of similar size but the
accuracy had to be much better. I think it had to be plus or minus
0.010 inches or so over the entire 3D space.
A 3D laser tracker was part of the control scheme to track the actual
tool head location.
That way standard ra
I've done it using analog interfaces and a step and direction
interfaces. Both methods work.
The nice thing about analog is that you can measure and monitor
following error within LinuxCNC and easily tune the position loop. With
a digital step and direction interface the position loop is maint
nd that as well. :-)
Dave
On 8/2/2017 11:22 AM, Kirk Wallace wrote:
On 08/02/2017 07:16 AM, R.L. Wurdack wrote:
... snip
1. Are you talking about honing the cylinder before inserting the
sleeve?
Honing the hole for the sleeve was part of my plan just because I'm
comfortable with gettin
not burn. Much like
the quench phase of steel into water.
Denatured alcohol is rather uncertain in composition. The denaturing
agent is always picked as something not
easy to separate from the EtOH. My first choice in denatured would be 3A ...
Dave
--
atp
"A motorcycle is a bicycle with
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