Re: [Emc-users] Code of Conduct

2021-07-12 Thread Dave Cole
to a project without a COC is nonsense. History tells a much different story. How many commercial products have grabbed LCNC code ??   Quite a few! I do not understand why anyone spent time writing a COC ?? This list has been quite civilized for a very long time. Dave On 7/12/2021 1:15 PM, Les Newell

[Emc-users] center of circle

2021-07-12 Thread dave engvall
https://math.stackexchange.com/questions/213658/get-the-equation-of-a-circle-when-given-3-points ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] OT: power, horsepower, and a bad brain

2021-07-12 Thread dave engvall
figures. To charge at high rates is going to take a very large battery. ;-) I suspect that charging batteries in series will help level out the charge when charging multiple batteries. Of course that takes a different alternator. ;-(  As always YMMV Good luck. Dave On 7/9/21 9:46 AM, fxkl47BF

Re: [Emc-users] Ethercat returning message disappear

2021-07-11 Thread Dave Cole
On 7/11/2021 1:03 PM, Chris Albertson wrote: That said, Ethernet has been made to work on the Raspberry Pi "Pico", How long until Ethercat runs on this $4 part? The Pico is made by a non-profit foundation, so the price will remain low That is very interesting.. Probably not l

Re: [Emc-users] Runaway PID spindle.

2021-07-10 Thread Dave Cole
I think that is a spiral point tap. The flute is straight along the length of the tap then the flute is is ground deeper toward the backside of the cutting edge. AutomationDirect.com sells some really nice taps for reasonable amounts. Dave On 7/9/2021 8:32 PM, John Dammeyer wrote

Re: [Emc-users] Code of Conduct

2021-07-04 Thread Dave Cole
t". So, I don't see the need. BTW, Jeff, Chris, Mark, Les, Gene, Andy, and many more folks on this list have been incredibly helpful over the years. So thanks! (I can't say that enough! ) Dave On 7/1/2021 12:46 AM, Valerio Bellizzomi wrote: On Wed, 2021-06-30 at 23:49 +0100, Les Ne

Re: [Emc-users] Code of Conduct

2021-07-04 Thread Dave Cole
to be one of the nicest forums on the net. What spurred the "need" for a COC ?? If something significant happened, I missed it. Personally, I'd shelve the COC and pull it out if and when there is a need for it. I don't see the need. Dave On 7/1/2021 12:46 AM, Valerio Bellizzomi wrot

Re: [Emc-users] Code of Conduct

2021-06-30 Thread Dave Matthews
> > If that is the expected case then there is absolutely no need for a CoC is there? Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Code of Conduct

2021-06-29 Thread dave engvall
From my view as a 'older' person: the CoC simply weaponizes those who want to be nasty. I visit another forum where about half the members are polite and the other half apparently didn't get much parenting . profane, aggressive, nasty, lacking basic spelling and language skills, etc.

[Emc-users] another printer project?

2021-06-29 Thread dave engvall
https://www.globalspec.com/FeaturedProducts/Detail?ExhibitID=325495=%2D1103937792=d47436=210629=d253f6=Vol21Issue26=1=2070084=link%5F2070084=367418=95281=newsletter=nl=414029 ___ Emc-users mailing list Emc-users@lists.sourceforge.net

Re: [Emc-users] Machining question

2021-06-20 Thread dave engvall
cpr light duty encoders at about $90 a pop. Couplers are helicoil and I've lost a couple in 20 years of operation. Very careful alignment in mounting helps. Only way I know to do much better is to use the Fanuc 'red cap' encoders. Dave On 6/19/21 6:16 PM, Gene Heskett wrote: On Saturday 19

Re: [Emc-users] Machining question

2021-06-18 Thread dave engvall
=Everything%20Else YMMV Dave On 6/18/21 11:04 AM, Gregg Eshelman via Emc-users wrote: Reamers can be some fun stuff. I hand reamed the spindle on a 1913 Sears Expert (made by South Bend, an "Old, reliable" manufacturer that was all of 4 years old back then) 14" metal lathe out to

Re: [Emc-users] looking for info on yaskawa servo drive model numbers from morbidelli cnc router

2021-05-24 Thread dave engvall
file:///tmp/mozilla_dave0/MTN-696TBC-1.pdf On 5/24/21 7:12 AM, Andrew wrote: пн, 24 трав. 2021 о 13:41 andrew beck пише: I don't think it has any USB connectors. I do know that the io controls all go through the plugs on the bottom. One for encoder feedback from motor. One for the input

Re: [Emc-users] homing off glass scale

2021-05-22 Thread dave engvall
Talk about having a bad day. Sure glad the extras were just a recipe and not something private. :-) Dave ps. clear down at the bottom of the post is the 'real post' about homing with a glass scale. You can delete  90% of it and won't miss a thing. On 5/22/21 8:09 AM, dave engvall wrote

[Emc-users] homing off glass scale

2021-05-22 Thread dave engvall
www.mozilla.org/about/> family of products. Hi, Has anyone tried homing off the reference channel on a glass scale? There is information on the web indicating that at least some of the chinese glass scales mask and compare the 4 lines each side of the reference mark in addition to the ref

[Emc-users] Chinese glass scale

2021-05-06 Thread dave engvall
Hi all, Just as a matter of interest I thought I'd throw this out there. A while ago I messed up one of my acu-rite glass scales ( boo-hoo!) It goes off for repair and I mounted a Chinese glass scale as a temp replacement. This is mounted on the X of my Cinci contoumaster. Year of manufacture

[Emc-users] 7i43 usage

2021-04-17 Thread dave engvall
I get: LINUXCNC - 2.7.14 Machine configuration directory is '/home/dave/linuxcnc/configs/by_interface.mesa.hm2-servo' Machine configuration file is '7i43-small.ini' Starting LinuxCNC... Found file(REL): ./hm2-servo.hal Note: Using POSIX realtime hm2: loading Mesa HostMot2 driver version 0.15

Re: [Emc-users] Rpi4B OS

2021-04-07 Thread dave engvall
So if I have a raspian os running that will run linuxcnc ??? an arm version that is. ...and I've   gone thru a  whole lot of angst for nothing? Dave On 4/7/21 9:02 AM, Gene Heskett wrote: On Wednesday 07 April 2021 01:24:35 dave engvall wrote: You can use dd, on an x86 box to write the u

Re: [Emc-users] Rpi4B OS

2021-04-07 Thread dave engvall
nos with uspace(?) will do that I'm happy. I just need something to WORK. ;-) With some pain I can use my wife's  Mac and the rpi-tools to get an image on to the SD. Wandering in the wilderness. Dave On 4/7/21 7:31 AM, andy pugh wrote: On Wed, 7 Apr 2021 at 15:25, dave engvall wrote: Image is

Re: [Emc-users] Rpi4B OS

2021-04-07 Thread dave engvall
Image is one at top of page.  buster 4 G https://raspi.debian.net/tested-images/ I'm doing everything  on a I7 with Ubuntu 16.04.1 then write to 32G SD an take that to the pi. Dave On 4/7/21 12:49 AM, andy pugh wrote: On Wed, 7 Apr 2021 at 06:28, dave engvall wrote: attempt to install

Re: [Emc-users] Rpi4B OS

2021-04-06 Thread dave engvall
On 4/6/21 10:24 PM, dave engvall wrote: OK, so I download 20210210_raspi_4_buster.img.xz check sha256 and it matches make a *.img out of it. attempt to install the rpi-imager   no x86 version.   so use dd dd to SD:   dd bs = 1M if=202010210-raspi_4.buster.img of=/media/dave/3339-3839

Re: [Emc-users] Rpi4B OS

2021-04-06 Thread dave engvall
OK, so I download 20210210_raspi_4_buster.img.xz check sha256 and it matches make a *.img out of it. attempt to install the rpi-imager   no x86 version.   so use dd dd to SD:   dd bs = 1M if=202010210-raspi_4.buster.img of=/media/dave/3339-3839/rpi_4_buster unmount put SD in rpi4B and power

[Emc-users] Rpi4B OS

2021-04-06 Thread dave engvall
it to a 32G SD. I've  spent way too much time spinning my wheels in the mud. TIA. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Small PC for use with 7i90 / 7i96?

2021-03-31 Thread Dave Cole
Chris, How many 3 1/2" drive bays do these have? A lot of the HP PCs were very well made.   I've worked on some that have been running industrial software for 10+ years non stop running Windows XP and they are just now dying.    One plant I was at bought a bunch of refurbs just to use as

Re: [Emc-users] openscad to normal gcode converter?

2021-03-22 Thread Dave Matthews
You need more than STEP, dxf and stl? Those are all still in the free version. Dave On Mon, Mar 22, 2021 at 2:02 PM Eric Keller wrote: > The free version of Fusion360 now has very limited file import and export > capabilities. They are trying to make it unusable without making it >

Re: [Emc-users] openscad to normal gcode converter?

2021-03-21 Thread Dave Matthews
Since when? It was a few days ago. You do need to renew the free license every year. You log on and click download to do that. You don't even need to let the install complete. Dave On Sun, Mar 21, 2021, 17:15 Gene Heskett wrote: > On Sunday 21 March 2021 16:18:26 Dave Matthews wr

Re: [Emc-users] openscad to normal gcode converter?

2021-03-21 Thread Dave Matthews
Fusion 360 will convert a stl into gcode. It will take a bit of compute power to do it for a large number of facets stl file. Dave On Sun, Mar 21, 2021 at 1:14 PM Gene Heskett wrote: > Greetings all; > > What do we have that can convert a .stl file into gcode for a mill or a >

Re: [Emc-users] Spindle rps and index

2021-03-18 Thread dave engvall
serves the spindle did  a dampened oscillation to get to position. Dave On 3/18/21 8:10 PM, John Dammeyer wrote: -Original Message- From: Jon Elson [mailto:el...@pico-systems.com] Interesting topic. I take it then that you can't actually move the spindle to the index position

Re: [Emc-users] Probe recommendations.

2021-03-14 Thread dave engvall
I suspect Belarus. On 3/14/21 10:09 AM, Gene Heskett wrote: On Sunday 14 March 2021 06:34:04 andy pugh wrote: On Sun, 14 Mar 2021 at 10:07, Gene Heskett wrote: https://vers.by/en/touch-probes/9-vers-pr.html What is this in USD? It says "355.00 BYN~ 10050 RUB, 136 USD, 113 EUR"

Re: [Emc-users] Nice camera/probe integration

2021-03-12 Thread dave engvall
I rather hate to think of the cost ... beautiful stuff ... German made. It is easy to make a probe; good software to extract the real value of the probe, not so easy. Dave On 3/12/21 9:14 AM, Ralph Stirling wrote: This would be an awesome setup for Linuxcnc. https://www.datron.com

[Emc-users] Rpi4B_7i90

2021-03-09 Thread dave engvall
eg. Rpi3b however just editing the bcm numbers to Rpi4b 2711 doesn't work. Deeper changes are clearly needed. Can anyone supply the relevant files for bcm2711? Comments and guidance appreciated. Dave file: rpi_jtag.cfg interface bcm2835gpio bcm2835gpio_peripheral_base 0x3F00 # Transition de

Re: [Emc-users] isolcpus?

2021-03-09 Thread dave engvall
The few  times I've had different counts re' direction it has been a broken flex coupling to the encoder. Of course it could be that you are simply running out of frequency response. Not likely but possible. Dave On 3/7/21 12:54 PM, Gene Heskett wrote: On Sunday 07 March 2021 14:07:33 Feral

Re: [Emc-users] Fiber laser power requirements - any experience out there?

2021-03-03 Thread dave engvall
https://www.toolots.com/quality-ezcad-jpt-30w-fiber-laser-engraver-marking-machine-for-metal.html?cid=10310162125=EAIaIQobChMIkY-kjNaU7wIVEz2tBh35iAhYEAQYBCABEgJiv_D_BwE Others seem to use more power; like 80 to 100 w but not necessarily FO. Dave On 3/3/21 9:34 AM, Curtis Dutton wrote: I have

[Emc-users] syntax for naming .bit files

2021-03-02 Thread dave engvall
Hi, I've downloaded the 7i90.zip  and unpacked to get the .bit files. Is there a short tutorial or plain list that interprets the file names and gives me encoders, pwm, etc. As always TIA Dave ___ Emc-users mailing list Emc-users

[Emc-users] Rpi4 -> 7i90

2021-02-26 Thread dave engvall
No 7i90 board found. What am I missing? | what to I need to add/change? The combination I'm looking for is: 6 encoders, 6 pwm  and enough i/o to sense axis limits. follow on from 7i90 is one or two 7i33's Thanks. Dave ___ Emc-users

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
.  I don't know if you add that error directly to the resolver accuracy or add it in quadrature. Jon Another view point. https://www.heidenhain.us/resources-and-news/resolvers-vs-encoders/ Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
On 2/22/21 7:55 AM, andy pugh wrote: On Sun, 21 Feb 2021 at 18:17, nkp216 wrote: How to calculate the accuracy of the resolver? In terms of linearity or in terms of resolution? Resolution is hard to quantify, as they are analogue devices, so the accuracy is dependent on the measurement

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
went from glass scales at 5000 counts/inch to encoders at 16384 c/in. Ideally one uses both. Shaft encoder for velocity and glass scale for position. See the wiki for details. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lis

Re: [Emc-users] machine opinion please

2021-02-09 Thread Dave Cole
On 2/7/2021 6:59 PM, Chris Albertson wrote: On Sun, Feb 7, 2021 at 9:41 AM Gene Heskett wrote: Space for it means pulling the crooked g0704 out before bringing it in. And more than likely hurting myself getting it backed into the space. But I think I'm a little smarter about such than I

Re: [Emc-users] Sheet metal operations.

2021-02-04 Thread dave engvall
hydraulics anyone? Dave On 2/4/21 12:57 AM, andy pugh wrote: On Thu, 4 Feb 2021 at 08:31, John Dammeyer wrote: I watched a few of the Fellows gear shaper videos. Gave me an idea. I have an AC servo on the knee. I've thought about adding motion to the quill but I do like the option

Re: [Emc-users] lathe paths with linux cnc and CAD software

2021-02-03 Thread dave engvall
which tend to be problematical and iges. ... runs on Windoze with  some limitations but those limitations go away with Linux. Their forte was extrusion screws back when the only program was DOS based.  YMMV. Dave On 2/3/21 2:37 PM, R C wrote: actually, I think that is what I saw that guy

Re: [Emc-users] lathe paths with linux cnc and CAD software

2021-02-03 Thread Dave Matthews
u can use it for free for a year (1st year ?). That is of course a > good deal, for a machine shop. > > > The one year license is renewable. To renew you just download the installer again. I don't think I even let the download complete last time I did it. Dave

Re: [Emc-users] lathe paths with linux cnc and CAD software

2021-02-03 Thread Dave Matthews
I usually find it by googling Fusion 360 for personal use or Fusion 360 hobbyist. Gets you to https://www.autodesk.com/products/fusion-360/personal Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists

Re: [Emc-users] lathe paths with linux cnc and CAD software

2021-02-02 Thread Dave Matthews
t; that I do a lot of work, but it seems to be a hassle. > > You heard wrong. You can import/export in a few formats and the project limit is for active projects. Basically click to archive one and click again to make an archived one active. I think the l

Re: [Emc-users] EDM from scratch

2021-02-01 Thread dave engvall
someplace. Dave On 2/1/21 8:41 AM, Jon Elson wrote: On 01/31/2021 07:22 PM, John Dammeyer wrote: I found some of the earlier articles in Home Shop Machinist Issue's May/June 1995 and September/October 1995.   I do not have part 2 published in July/August 1995. However, in the 3rd part Robert

Re: [Emc-users] EDM from scratch

2021-01-31 Thread Dave Matthews
Issues 1 - 163 might be available on some of the darker areas of the internet if you can't find them legally. A quick check at the Jolly Roger one lists them. Dave On Sun, Jan 31, 2021 at 2:36 PM John Dammeyer wrote: > Rats. I'm missing #169 for some reason. > > The series I was

Re: [Emc-users] Classicladder Sequential

2021-01-25 Thread Dave Cole
Do you mean writing a sequencer in Classic Ladder? As in step logic? Dave On 1/25/2021 4:33 PM, Todd Zuercher wrote: Does anyone have any examples of Classicladder using a Sequential program? Todd Zuercher P. Graham Dunn Inc.<http://www.pgrahamdunn.com/index.php> 630 Henry Street Dalton

Re: [Emc-users] Small spring, very simple flat

2021-01-24 Thread dave engvall
or preformed springs that look about right in dimension. Brownell's lists an assortment of 1075 but also says it out of stock. Steel outlet want to sell you a 100 lbs... :-( Good liuck. Dave ps. There must be better options. On 1/24/21 2:11 PM, Nicklas SB Karlsson wrote: Need a small springs

Re: [Emc-users] Rpi Pico

2021-01-23 Thread Dave Cole
+pi+pico&_sacat=0 Oh well. Dave On 1/23/2021 1:49 PM, Chris Albertson wrote: They seem to have done an excellent job of getting the word out about this new product. I think that it will be the "new Arduino" but the current problem is actually buying them. I've signed up to

Re: [Emc-users] Rpi Pico

2021-01-21 Thread Dave Cole
soldered. I can make a simple passive carrier board that has connectors and it is not hard to hand solder 0.1 inch pitch. The carrier board could be a Pi-hat On Thu, Jan 21, 2021 at 4:30 PM Dave Cole wrote: I wonder if these could act as SPI slaves to the RPI 4? I've been trying to buy two from

Re: [Emc-users] Rpi Pico

2021-01-21 Thread Dave Cole
Sparkfun had them in stock. On 1/21/2021 7:30 PM, Dave Cole wrote: I wonder if these could act as SPI slaves to the RPI 4? I've been trying to buy two from Adafruit and they keep selling out and then coming back in stock, and then selling out again! Dave On 1/21/2021 6:36 PM, andy pugh

Re: [Emc-users] Rpi Pico

2021-01-21 Thread Dave Cole
I wonder if these could act as SPI slaves to the RPI 4? I've been trying to buy two from Adafruit and they keep selling out and then coming back in stock, and then selling out again! Dave On 1/21/2021 6:36 PM, andy pugh wrote: On Thu, 21 Jan 2021 at 21:52, Chris Albertson wrote

Re: [Emc-users] Rpi Pico

2021-01-21 Thread Dave Cole
/ It has a lot in a very small package for $4.00 Dave On 1/21/2021 10:41 AM, Jon Elson wrote: On 01/21/2021 02:43 AM, Sven Wesley wrote: For you people out there who use an Arduino or RPi to communicate with parts of the machine (tool changers, doors etc). Here's a cute and really low priced

Re: [Emc-users] Chinese VFDs with good reputations

2021-01-01 Thread Dave Cole
Thanks for the tip on HuanYang! Dave On 12/30/2020 2:49 PM, Eric Keller wrote: On Wed, Dec 30, 2020 at 1:20 AM Gene Heskett wrote: Most are HuanYang, and decent, reliable stuff. I'm using 2 of them. From what I can tell, most of the HuanYang vfd's on ebay are copies. HuanYang uses

Re: [Emc-users] Great display of 28-axis machine control - totally OT

2020-12-30 Thread dave engvall
Boston Dynamics has a good utube staring Spot and Adam Savage of Myth Busters. On 12/30/20 11:22 AM, Chris Albertson wrote: Altas is hydraulic. It has 28 hydraulic actuators and one battery-powered pump. The battery is 3.7 KWH size They say it runs for about an hour. So he is burning

Re: [Emc-users] Great display of 28-axis machine control - totally OT

2020-12-30 Thread Dave Cole
Who is the Department of Defense working with on war fighting robots now? Apparently not Boston Dynamics? Dave On 12/30/2020 9:07 AM, Andrew wrote: ср, 30 груд. 2020 о 04:22 Chris Albertson пише: https://youtu.be/fn3KWM1kuAw Recently Hyundai Motor Group acquired 80% of Boston Dynamics

Re: [Emc-users] Chinese VFDs with good reputations

2020-12-30 Thread Dave Cole
. Automation Direct was selling filters suited to powering multiple drives.    Not sure if they still do. Where are you guys buying the Bergeda drives? Ebay? Thanks, Dave On 12/30/2020 3:13 AM, David Berndt wrote: Hi John, You've got me a bit interested in these drives. I'm currently looking

Re: [Emc-users] Chinese VFDs with good reputations

2020-12-29 Thread Dave Cole
Something like this might work on a 3 phase mill spindle motor as well. Ebay seems to be flooded with dirt cheap VFDs, of unknown quality right now. Dave On 12/26/2020 6:22 PM, Gregg Eshelman via Emc-users wrote: I picked up a couple of 220V 1PH to 220V 3PH VFDs, rated for up to 3HP, for under

[Emc-users] Chinese VFDs with good reputations

2020-12-26 Thread Dave Cole
nothing. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Checking vfd hookup question?

2020-12-26 Thread Dave Cole
backplane,   But then they don't get that hot. By the time you fab the cage, you can almost buy one new with a cage and that is rated. Dave On 12/24/2020 1:36 PM, Jon Elson wrote: On 12/24/2020 11:43 AM, Dave Cole wrote: Automation Direct sells braking resistors. https://www.automationdirect.com

Re: [Emc-users] Checking vfd hookup question?

2020-12-24 Thread Dave Cole
with 350 VDC! Dave On 12/24/2020 11:06 AM, Jon Elson wrote: On 12/24/2020 02:18 AM, Chris Albertson wrote: "All the time?"    When you have a hard requirement like this is when some detailed engineering can pay off.    Assume you are reversing at 50% duty cycle and burning 1KW 50% o

Re: [Emc-users] Checking vfd hookup question?

2020-12-23 Thread Dave Cole
and the DC bus goes into overvoltage, the drive just shuts down and the motor coasts. Nothing bad occurs.    So you can try it without a braking resistor and if you start tripping the drive with DC bus overvoltage alarms, then install a braking resistor. Dave

Re: [Emc-users] Checking vfd hookup question?

2020-12-22 Thread Dave Cole
y required if you want to stop the motor quickly. Dave On 12/22/2020 6:23 PM, Gene Heskett wrote: Greetings all; Swapping a 110 volt vfd, for a 250 volt vfd, one of the terminals is labeled differently, the common point of the fwd/rev/spd1-2-3-4-5 terminals on the 110 volter is labeled XGND

Re: [Emc-users] Interface Simodrive 611 ?

2020-12-22 Thread Dave Cole
it to work with LinuxCNC.   If you have machine wiring diagrams you are probably all set. Dave On 12/19/2020 6:23 PM, Jon Elson wrote: On 12/19/2020 04:32 PM, Gene Heskett wrote: I did a look-see with giggle and a few hits down from the first, says its being phased out, meaning since its

Re: [Emc-users] Interface Simodrive 611 ?

2020-12-21 Thread Dave Cole
ood drives. They are still running thousands of machines.   The problem now is replacement parts.   If you can find them, they are expensive, and they were never cheap to begin with. Dave On 12/19/2020 4:40 PM, Jon Elson wrote: Has anyone interfaced a Simodrive 611 servo system?  I did find t

Re: [Emc-users] I wonder...

2020-12-11 Thread dave engvall
and gamble on the outcome? Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Tuning a servo

2020-12-09 Thread dave engvall
h easier. I've never had much success with torque mode. If I had the skill in linuxcnc internals I'd would try a well constrained Monte Carlo. No chance of my  doing that. ;-( Dave Be careful, stay safe. ___ Emc-users mailing list E

Re: [Emc-users] Analog circuits ebook - from e-magazine "Electronic Design"

2020-11-29 Thread dave engvall
op amps every drifts by within reach grab it.  I guess that defines my age. ;-) Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users __

Re: [Emc-users] Suggestions for a retrofit.

2020-11-29 Thread dave engvall
was ever made of that. Maybe some of the early emc-ers with their memory still intact will remember as well as a model to insert the data into. Dave Just a comment: I've never had much success using torque mode: that doesn't mean I should not go back and revisit

Re: [Emc-users] couple Q's on PID's

2020-11-19 Thread dave engvall
slab on grade. It still takes more power that i like to heat it. :-(  insulation is fiberglas. Most of the windows are south facing and double glazed. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/lis

Re: [Emc-users] couple Q's on PID's

2020-11-19 Thread dave engvall
mary power into the shop; then sub panel to the house. The only time one needs a lot of house in when the kids are teeners. Later you need good storage, less house and maybe less acreage. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge

Re: [Emc-users] Poor memory, or new feature?

2020-11-19 Thread dave engvall
On 11/18/20 11:45 AM, Gregg Eshelman via Emc-users wrote: Redline Water Wetter or Royal Purple Ice might lower the temps. They're intended for use with plain water in race vehicles so that when there's a coolant leak they don't make the track or drag strip slick. Their effectiveness is

Re: [Emc-users] linuxcnc board with good epp port

2020-11-16 Thread dave engvall
Thanks Jon. Appreciate the help. Dave On 11/15/20 3:29 PM, Jon Elson wrote: On 11/15/2020 04:48 PM, dave engvall wrote: HI, With *B*lack Friday on/coming I need a recommendation for a motherboard that has good latency and a rock solid EPP port. Servo application so that should relieve some

Re: [Emc-users] I amazed me.

2020-11-15 Thread dave engvall
be repeatable enough so you can predict when it will run out and need resetting. Just a WAT (wild ass thought). Hang in there. Dave On 11/15/20 1:05 PM, Gene Heskett wrote: Greetings all; I got a pair of plates cut out to make motor mounts today, took about 1.5 8 oz coke bottles of diluted

[Emc-users] linuxcnc board with good epp port

2020-11-15 Thread dave engvall
. Any help would be massively appreciated. I'm getting too old to fight iffy hardware. Thanks and stay safe. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] driver for a DC motor for a BS-1.

2020-11-15 Thread Dave Cole
On 11/13/2020 1:24 AM, Gene Heskett wrote: On Thursday 12 November 2020 20:50:10 Dave Cole wrote: Gene, Where did you buy that H bridge board ?  Ebay ? Dave Yes, Thats a BTS7960 board. I tried it out tonight, ran the motor at about half speed for about half an hour. No detectable heating

Re: [Emc-users] back to a bad cable?

2020-11-13 Thread dave engvall
For all the time spent chasing cable problems it might be nice to have a chip on a board that would echo signals and generate error messages. Without good diagnostics one is like the puppy chasing his tail. Dave On 11/13/20 3:32 PM, Gene Heskett wrote: On Friday 13 November 2020 14:59:41

Re: [Emc-users] driver for a DC motor for a BS-1.

2020-11-12 Thread Dave Cole
Gene, Where did you buy that H bridge board ?  Ebay ? Dave On 11/9/2020 5:15 PM, Gene Heskett wrote: On Wednesday 28 October 2020 16:02:51 Gene Heskett wrote: On Wednesday 28 October 2020 14:30:39 Chris Albertson wrote: I bit of information from Polulu's web site. They say.. "*

Re: [Emc-users] anti-freeze recommendation for water cooled spindle motors

2020-11-12 Thread Dave Cole
://www.corrosionpedia.com/definition/407/distilled-water#:~:text=Despite%20its%20benefits%2C%20distilled%20water,carbon%20dioxide%20from%20the%20air. However I buy gallons of distilled water from the market to dilute full strength auto antifreeze. Dave On 11/9/2020 10:58 PM, dave engvall wrote: IIRC RV grade

Re: [Emc-users] anti-freeze recommendation for water cooled spindle motors

2020-11-09 Thread dave engvall
IIRC RV grade antifreeze is propylene glycol and often flavored with a bit of methyl salicylate. Easy to tell if you have it all flushed out. You will be able to taste the oil of wintergreen long after the pink dye is gone. Dave On 11/7/20 6:46 PM, Gene Heskett wrote: On Saturday 07

Re: [Emc-users] EPP

2020-11-01 Thread dave engvall
Middle of afternoon and I still need coffee. ;-) Let's try 7i43. Tnx. On 11/1/20 12:16 PM, Eric Keller wrote: 7i37 is a daughter card and can't be flashed. On Sun, Nov 1, 2020 at 3:03 PM dave engvall wrote: On 11/1/20 8:18 AM, andy pugh wrote: On Sun, 1 Nov 2020 at 16:02, dave engvall

Re: [Emc-users] EPP

2020-11-01 Thread dave engvall
On 11/1/20 8:18 AM, andy pugh wrote: On Sun, 1 Nov 2020 at 16:02, dave engvall wrote: I have a application for a 7i37/ 7i33. In face a couple of them. First try has been a D525 with a SIIG single pport. Do you really mean 7i37? Or maybe 7i43? First off I have no idea if the SIIG board

[Emc-users] EPP

2020-11-01 Thread dave engvall
? Once the link works the rest should be easy. Note: I've used 5i20/7i33 combo's. Thanks in advance Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] driver for a DC motor for a BS-1.

2020-10-20 Thread Dave Cole
a very long time.  But they aren't super precise, but then they don't need to be. A couple of the machines used shot pins to get precise final position. Dave On 10/20/2020 5:30 PM, John Dammeyer wrote: From: Jon Elson [mailto:el...@pico-systems.com] On 10/20/2020 03:19 PM, John Dammeyer wrote

Re: [Emc-users] OT: Fanuc 0M setup

2020-10-20 Thread Dave Cole
on a laptop and the logic was written to the compact flash module, then the module was used to load the controllers memory. It was awkward. You needed a $$ license to run the software. This was years ago, but the Fanuc tech guy was charging way over $200/hr to make changes. Dave On 10/20/2020 10:49 AM

Re: [Emc-users] driver for a DC motor for a BS-1.

2020-10-20 Thread Dave Cole
What about using a common KB Electronics DC drive? Woot.com (Amazon discount site) is selling one for $89.  I think they can commonly be found on Ebay as well. Dave On 10/19/2020 5:22 PM, grumpy--- via Emc-users wrote: On Sun, 18 Oct 2020, John Dammeyer wrote: Way back in 2003 I started

Re: [Emc-users] Tool stamping, 90 degree bending

2020-10-11 Thread dave engvall
Hi Nicklas, A bit off the wall but maybe bend unhardened then flame harden with a closely  following spray quench followed by temper. Speed in bending may have an effect on spring back. This, of course, is much easier to talk about than it is to do. :-) Dave On 10/11/20 9:07 AM, Nicklas SB

Re: [Emc-users] Setting up two home switches on Y

2020-09-27 Thread Dave Matthews
I just stuck it in a new thread on the forum. I was surprised that .odt files are not allowed but .doc files are. Dave On Tue, Sep 15, 2020 at 6:00 PM andy pugh wrote: > > On Tue, 15 Sep 2020 at 20:29, Dave Matthews wrote: > > > I now have a nice .odt file that describes how

Re: [Emc-users] Small project and test email.

2020-09-26 Thread dave engvall
I just checked the forum and it is alive and well. Something is screwed up with the list. Dave On 9/24/20 11:05 PM, John Dammeyer wrote: For me the list has been quiet but checking the forum web page there have been messages up to 23SEP2020. Not sure why I'm suddenly not receiving messages

Re: [Emc-users] ot: welders

2020-09-22 Thread Dave Cole
, etc. Dave On 9/14/2020 1:33 PM, grumpy--- via Emc-users wrote: On Mon, 14 Sep 2020, Jon Elson wrote: On 09/14/2020 10:42 AM, grumpy--- via Emc-users wrote: i'm retired just look'n to weld steel at home a stick welder for about 20 years i was attached at the hip to a lincoln stovepipe i've

Re: [Emc-users] jerk control for high speed machines

2020-09-22 Thread dave engvall
scream. When the machinist describes stepping back from the machine when the tool moves toward him then is must be really impressive. Dave On 9/21/20 4:55 PM, andrew beck wrote: hey dave I hear you. I might get good at coding myself soon.. but would love to solve the problem. I don't think

Re: [Emc-users] jerk control for high speed machines

2020-09-21 Thread dave engvall
place. Dave On 9/20/20 8:19 PM, andrew beck wrote: Hey guys just a few thoughts here. I have a high speed cnc machining center (cnc mill) it has 16mm pitch ballscrews and weighs 6ton linuxcnc is awesome and does a great job controlling it. I make plastic injection molds and lots of 3d

Re: [Emc-users] freecad, latest, starter tut?

2020-09-19 Thread Dave Matthews
ath generation all in one. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] CAD for parts to make on a lathe

2020-09-18 Thread Dave Matthews
ommitted new members are noted by SW such > that the offer gets withdrawn? > They really don't care why you join or how committed you are. The more members they have the more clout they have in Washington when lobbying. Dave ___ Emc-users mailing

Re: [Emc-users] CAD for parts to make on a lathe

2020-09-17 Thread dave engvall
. Has a 30 day free demo. https://www.webersys.com/ As far a photoshop; gimp is pretty good but maybe not so easy to learn. YMMV Dave On 9/16/20 12:15 PM, Chris Albertson wrote: No. I don't know of any CAM software for generating toolpaths for lathes that runs on Linux. The best 3D CAD

Re: [Emc-users] Setting up two home switches on Y

2020-09-15 Thread Dave Matthews
the same speed and at the same time. > > Also, thank you for all of the help. Dave ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Setting up two home switches on Y

2020-09-15 Thread Dave Matthews
On Mon, Sep 14, 2020 at 7:50 PM andy pugh wrote: > > On Mon, 14 Sep 2020 at 21:52, Dave Matthews wrote: > > > Looking closer at the DRO on the screen I can see that the second Y > > axis is counting down looking for home but is not moving. > > > > I ra

Re: [Emc-users] Setting up two home switches on Y

2020-09-14 Thread Dave Matthews
On Mon, Sep 14, 2020 at 3:52 PM andy pugh wrote: > > On Mon, 14 Sep 2020 at 20:19, Dave Matthews wrote: > > > Almost there. There isn't a gantry.hal file on github that I can find > > to reference. > > https://github.com/LinuxCNC/linuxcnc/blob/master/lib/h

Re: [Emc-users] Setting up two home switches on Y

2020-09-14 Thread Dave Matthews
On Mon, Sep 14, 2020 at 3:52 PM Gene Heskett wrote: > > On Monday 14 September 2020 15:16:04 Dave Matthews wrote: > > > On Fri, Sep 11, 2020 at 5:16 PM andy pugh wrote: > > One of the rules for the net command is that only the first of that name > in your hal file, is all

Re: [Emc-users] Setting up two home switches on Y

2020-09-14 Thread Dave Matthews
On Fri, Sep 11, 2020 at 5:16 PM andy pugh wrote: > > On Fri, 11 Sep 2020 at 21:18, Dave Matthews wrote: > > > The examples that I have found are for Mesa cards and seem to have a > > lot of stuff in them that I don't have in my .ini and .hal files. > > Have you look

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