Re: [Emc-users] Spindle control

2019-07-18 Thread Frank Tkalcevic
I did that too. I printed a 200mm diameter disk with 72 black white pairs, read with a P5587 Photoreflector. It currently only reads speed, but I'm about to replace the sensor to give quadrature output, so I can gear hob, as Andy has shown. -Original Message- From: John Dammeyer [ma

[Emc-users] Homing following error (was PID feed forward)

2019-08-15 Thread Frank Tkalcevic
>> If I leave it unconnected >> I don't have any problems when homing. >> >Ahh thats a bug in index handling so I guess you will need to leave >the PIDs command-deriv unconnected until that is fixed. > >I really really wish that index handling did not cause a joint position jump. >this is just pl

Re: [Emc-users] Homing following error (was PID feed forward)

2019-08-16 Thread Frank Tkalcevic
>I did notice that there didn't seem to be any the scope trace, so I added the additional debug. That made me think, as you suggested, that my thread function calls were in the wrong order, but that doesn't seem to be the case. That should read - I did notice that there didn't seem to be any erro

[Emc-users] Best option for modern RTAI distro

2019-08-19 Thread Frank Tkalcevic
I've spent the last couple of weeks upgrading my atom based machine from Ubuntu 10 (github+openssl incompatibilities), but I've had lots of problems finding a modern distro that allows me to use the latest software (eg qtvcp) because of library dependencies. I tried the LinuxCNC Stretch ISO, but t

Re: [Emc-users] Best option for modern RTAI distro

2019-08-19 Thread Frank Tkalcevic
ot; that all support Intel 64 <https://en.wikipedia.org/wiki/Intel_64>." Do you have an older version of the Atom? -Bari On 8/19/19 4:44 PM, Frank Tkalcevic wrote: > I've spent the last couple of weeks upgrading my atom based machine from > Ubuntu 10 (github+openssl incompatibilities), bu

[Emc-users] OT: redirecting output to a file

2019-11-10 Thread Frank Tkalcevic
I have a simple script to run linuxcnc, similar to this... #!/bin/bash echo "Starting LinuxCNC" 2>&1 >> ~/linuxcnc.log linuxcnc myinifile.ini 2>&1 >> ~/linuxcnc.log echo "Starting LinuxCNC" 2>&1 >> ~/linuxcnc.log That works fine when I run from the command line. However, I have my machine set u

Re: [Emc-users] OT: redirecting output to a file

2019-11-11 Thread Frank Tkalcevic
Thank you, that got me looking in the right direction. I modified my UI to return exit codes of 0,1,2 for my script to close linuxcnc, restart linuxcnc, and shutdown the computer. That messed up the linuxcnc script so I never saw stdout/stderr or the updated print and debug files. -Origin

Re: [Emc-users] Buster RTAI Lathe HomeAxis Failure

2019-12-19 Thread Frank Tkalcevic
There are a lot of changes in 2.9, hence the conversion program. There is a wiki page that describes the differences - http://linuxcnc.org/docs/devel/html/getting-started/updating-linuxcnc.html I had to make a few manual changes to get my lathe config to work. From memory, there is confusion

Re: [Emc-users] Actual Feed Rate

2020-01-08 Thread Frank Tkalcevic
As others have said - Yes. But it also depends on whether your machine can maintain that speed given acceleration and max velocity limitations. GCode with lots of corners or short segments may not reach the requested feed rate without playing with G61/G64. -Original Message- From: Thomas

Re: [Emc-users] Repository problem with linuxcnc-dev

2020-03-10 Thread Frank Tkalcevic
You can also ignore the expiry warning with switch -o Acquire::Check-Valid-Until=false For example sudo apt-get -o Acquire::Check-Valid-Until=false update (https://unix.stackexchange.com/questions/2544/how-to-work-around-release-file-expired-problem-on-a-local-mirror) -Original Message

Re: [Emc-users] best diy 4th axis

2020-04-01 Thread Frank Tkalcevic
> https://www.youtube.com/watch?v=Eds48L4cJjM In those designs, I've always been concerned that the moving part of the gear rubs against the outside lobes. This repair video shows a Sumitomo Cyclo which uses rolling pins on the outside, so minimal friction... https://youtu.be/H_oMVO_OTGs?t=157

Re: [Emc-users] best diy 4th axis

2020-04-01 Thread Frank Tkalcevic
gear mathematically and what cad software do you use? regards Andrew On Wed, Apr 1, 2020 at 8:19 PM Frank Tkalcevic wrote: > > https://www.youtube.com/watch?v=Eds48L4cJjM > > In those designs, I've always been concerned that the moving part of the > gear rubs against the ou

Re: [Emc-users] best diy 4th axis

2020-04-01 Thread Frank Tkalcevic
ndrew On Wed, Apr 1, 2020 at 9:55 PM Frank Tkalcevic wrote: > I got most of my information from this site... > > http://www.zincland.com/hypocycloid/ > > There's a python script to generate the profiles on that page > (http://www.zincland.com/hypocycloid/hypocycloid.zip)

Re: [Emc-users] Stupid CNC stunts. A 3D printed timing belt.

2020-06-11 Thread Frank Tkalcevic
I used nylon to print some timing belts. It was a bit tricky - nylon is hard to print, and shrinks a lot, but they were flexible and very strong. These were just temporary belts to get the size right and to use until the real belts were delivered. (for a robot arm where almost every day I changed

Re: [Emc-users] question on tooth size vs 3d pulleys

2020-07-16 Thread Frank Tkalcevic
> So what I'm asking is, has anyone printed a pulley > that fits & works with these smaller, finer toothed belts? I use GT 2mm, 20 and 40 tooth pulleys on my robot arm. Printed on a Prusa i3 Mk2.5, 0.4mm nozzle, PLA. PLA is fine - other plastics may have shrinkage problems.

Re: [Emc-users] question on tooth size vs 3d pulleys

2020-07-16 Thread Frank Tkalcevic
users@lists.sourceforge.net Subject: Re: [Emc-users] question on tooth size vs 3d pulleys On Thursday 16 July 2020 18:21:28 Frank Tkalcevic wrote: > > So what I'm asking is, has anyone printed a pulley > > that fits & works with these smaller, finer toothed belts? > > I use GT 2m

Re: [Emc-users] need advice, idea shoppingIOW.

2020-07-19 Thread Frank Tkalcevic
I modified some python code that is in the linuxcnc tree (author.py) and made a slicer post processing script that takes the generated gcode and converts line segments back to arcs. https://github.com/ftkalcevic/3dPrintSmoothing I'm constantly finding bugs, so verify your first few prints - the

Re: [Emc-users] Just took the first flexgear off the printer

2020-07-22 Thread Frank Tkalcevic
> But is there a support removal tool that isn't radioactive? Nope. The secret is to design your parts so you don't need support. Unless you have a dual head extruder, then you can use a different material as the support material. ___ Emc-users ma

Re: [Emc-users] found a harmonic drive set of .stl's on thingiverse

2020-08-18 Thread Frank Tkalcevic
> the middle of a now thicker and nuch denser 6 wall build. cura settings > are for 6 line walls, 15 ipm and 30 ipm. 6 line walls/perimeters is a large number. My default setting is 2. Less perimeters also prints a lot faster. If the part is weak, you can always increase it later, but it s

[Emc-users] OT: Synchronised motion using RS485/CAN bus motors

2020-08-18 Thread Frank Tkalcevic
An off topic question, not directly LinuxCNC related... How are motors on a serial bus controlled and synchronised? My only real control experience is with LinuxCNC with Mesa and parallel port hardware where commands and feedback and precisely timed. Sending commands and receiving feedback o

Re: [Emc-users] OT: Synchronised motion using RS485/CAN bus motors

2020-08-18 Thread Frank Tkalcevic
> You subject line says RS485/CAN which are dramatically different from the SPI based synchronous clocked serial interfaces. Even RS485 and CAN are dramatically different. Thanks for the replies... The question was around slower RS485/CAN. I'm seeing a lot of actuators (motor/gearbox/driver com

Re: [Emc-users] OT: Synchronised motion using RS485/CAN bus motors

2020-08-21 Thread Frank Tkalcevic
I was looking in more detail at the MIT Cheetah and found this page - https://www.robotdigg.com/product/1667/MIT-Robot-Dog-high-torque-Joint-Motor -or-DD-Motor It says that each motor takes an 8 byte payload to drive a motor, and that motor then replies with a 6 byte packet. After you add the CAN

Re: [Emc-users] Best VM to run Linuxcnc in

2020-09-01 Thread Frank Tkalcevic
I use VMWare player on Windows 10 without any issues. -Original Message- From: Marius [mailto:mar...@mastercut.co.za] Sent: Wednesday, 2 September 2020 1:58 AM To: emc-users@lists.sourceforge.net Subject: [Emc-users] Best VM to run Linuxcnc in What would the VM users say that the best fr

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

2020-09-14 Thread Frank Tkalcevic
> I think that the problem is that you have y2-step in the Joint3 > section, but in the area where you are connecting the parallel port > pins, both sets of step/dir outputs are netted to the ystep. So they > move at exactly the same speed and at the same time. And that is easy to test. When you

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

2020-09-17 Thread Frank Tkalcevic
> The feature they are taking away is the ability to save your files to an > industry-standard STEP file. Unless you pay for a license. That's one that's going to hit me. I always expected the free version to disappear, so I never invested much time in the CAD. I've been using F360 to import

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

2020-09-21 Thread Frank Tkalcevic
I was impressed that FreeCAD could import lots of different CAD formats. I tried to use the CAM (Path) on an old STEP file, but I couldn't work out how to orient my part, and set the origin to the bottom-left top corner of the box stock. Reading the forums, it seems that isn't possible (talk of l

Re: [Emc-users] USB - Serial question

2020-12-04 Thread Frank Tkalcevic
Atmel Studio (the free development IDE for programming Atmel/PIC AVRs (windows only)) will import an Arduino project. This includes all the source for all the libraries that are used. This makes it easier to customise libraries. Programming without an ISP tool is a bit tricky - I think you need

Re: [Emc-users] Python question

2020-12-15 Thread Frank Tkalcevic
As long as the environment variables are set up correctly, you should just be able to run the python app from the command line without "halcmd loadusr". -Original Message- From: ken.stra...@gmail.com [mailto:ken.stra...@gmail.com] Sent: Wednesday, 16 December 2020 7:54 AM To: 'Enhanced M

Re: [Emc-users] Python question

2020-12-15 Thread Frank Tkalcevic
--Original Message- From: ken.stra...@gmail.com [mailto:ken.stra...@gmail.com] Sent: Wednesday, 16 December 2020 12:08 PM To: 'Enhanced Machine Controller (EMC)' Subject: Re: [Emc-users] Python question Are the necessary environment variables document somewhere? -Original Mess

Re: [Emc-users] Python question

2020-12-15 Thread Frank Tkalcevic
If you look at the axis source code, to increment the spindle you call... c.spindle(linuxcnc.SPINDLE_INCREASE) where c = linuxcnc.command() linuxcnc.command() comes from halui.cc (I think), which sends a message... static int sendSpindleIncrease(int spindle) { EMC_SPINDLE_INCREASE emc_sp

Re: [Emc-users] Python question

2020-12-16 Thread Frank Tkalcevic
mats the message to go to the socket? Thanks John > -Original Message- > From: Frank Tkalcevic [mailto:fr...@franksworkshop.com.au] > Sent: December-15-20 9:48 PM > To: 'Enhanced Machine Controller (EMC)' > Subject: Re: [Emc-users] Python question > > If you

Re: [Emc-users] Tooling availability questions

2020-12-17 Thread Frank Tkalcevic
Not a website, but the book "Gears and Gear Cutting" from the workshop practice series shows how to make cutters and cut gears. (I've never tried it myself) -Original Message- From: Gene Heskett [mailto:ghesk...@shentel.net] Sent: Friday, 18 December 2020 4:38 AM To: 'Enhanced Machine C

Re: [Emc-users] NURBS G5.2 G5.3 works well

2021-01-20 Thread Frank Tkalcevic
> Since I can't buy a 30mm wrench that doesn't weigh 10+ lbs, and is 15-20" > long, I am carving out a 30mm ER20 nut wrench from 1/2" alu plate, using > G5.2/G5.3 to carve out a profiled handle, and its working rather well. Do we get a photo? And how did you write the gcode? Did you use the ax

Re: [Emc-users] Rpi Pico

2021-01-22 Thread Frank Tkalcevic
I just received an advertising email from SparkFun. They sell the Pi Pico as well as 3 of their own variants with the RP2040 chip... Thing Plus - https://www.sparkfun.com/products/17745 MicroMod - https://www.sparkfun.com/products/17720 Pro Micro - https://www.sparkfun.com/products/17717 I just

Re: [Emc-users] Maybe a minimally printed harmonic drive?

2021-01-26 Thread Frank Tkalcevic
In the "technical" section it says Efficiency 40% for the 28:1 ratio. Are harmonic drives that bad, or is that a plastic limitation? -Original Message- From: Rene Hopf via Emc-users [mailto:emc-users@lists.sourceforge.net] Sent: Wednesday, 27 January 2021 8:38 AM To: Enhanced Machine C

Re: [Emc-users] Dealing with Servo Faults

2021-02-10 Thread Frank Tkalcevic
My home made machine connects the enables to the machine enable. I don't think it was my idea - I think it was based on one of the servo examples. E-Stop is completely independent - connects to the e-stop switch, and axis limit switches and kills power to the spindle and servos (originally it cut

Re: [Emc-users] Getting schmartder about 3d

2021-02-21 Thread Frank Tkalcevic
The "nozzle fan" is actually a "part fan", used to cool down some plastics, especially PLA, that have a low (50c) transition temperature. Cooling the nozzle, and heat block is bad; that's why they make silicone "socks" to cover the heat block and nozzle. You may want to try printing without the p

Re: [Emc-users] Gear cutting setup on low-cost HF mill??

2021-03-11 Thread Frank Tkalcevic
> Not sure if anyone mentioned, spiral hobs will not work unless your hob can > be tilted to the required angle of the hob cutter. Even for straight teeth, > it's at least 1.5�. Wouldn't it be easier in the home workshop to just tilt the rotary table holding the work piece up 1.5 degrees? ___

Re: [Emc-users] Gear cutting setup on low-cost HF mill??

2021-03-11 Thread Frank Tkalcevic
> Harmonic and cycloidic reduction drives are to slow > 6:1 or 10:1 should work. My first robot arm used 9:1 3d printed cycloidal gear boxed (plus 3:1 motor to gearbox pulley reduction). Cyclodial ratios can be made small with less teeth/lobes and larger pins. I'm not sure if that makes them an

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

2021-03-13 Thread Frank Tkalcevic
There are a lot of "inexpensive" microscopes that are used for PCB repair and inspection like this one... https://www.aliexpress.com/item/4000835475910.html And more expensive auto-focus options... https://www.aliexpress.com/item/4000835289877.html There are many combinations of lens and camer

Re: [Emc-users] Probe recommendations.

2021-03-14 Thread Frank Tkalcevic
NYC CNC on youtube made their own using some pencil lead as the breakaway for the Haimer 3d taster... https://www.youtube.com/watch?v=pJhI98_Y3GI -Original Message- From: ken.stra...@gmail.com [mailto:ken.stra...@gmail.com] Sent: Monday, 15 March 2021 4:42 AM To: 'Enhanced Machine Contr

[Emc-users] OT: Driving tiny steppers

2021-03-18 Thread Frank Tkalcevic
I have some small 15mm steppers, similar to this. https://www.aliexpress.com/item/32872829855.html I am trying to drive them with an A4988 stepper driver. I can run them at full step and half step, but anything smaller and they don't move linearly - one phase appears to step correctly, but

Re: [Emc-users] OT: Driving tiny steppers

2021-03-19 Thread Frank Tkalcevic
users@lists.sourceforge.net Subject: Re: [Emc-users] OT: Driving tiny steppers On Thursday 18 March 2021 18:29:50 andy pugh wrote: > On Thu, 18 Mar 2021 at 20:52, Frank Tkalcevic > > wrote: > > Is there anything special about driving these motors? > > I guess that as they are 2

Re: [Emc-users] experimental bearings for harmonic drive

2021-03-29 Thread Frank Tkalcevic
> That is an enticing thought, but that will require and entrance notch in > one side if the races This is an example of not having to put a filling notch in your bearings - https://youtu.be/3-Jcp8vFAko?t=41 There are not enough balls to reach all the way around, so they can be easily loaded, bu

Re: [Emc-users] [Emc-developers] Home_use_index issue revisited

2021-04-04 Thread Frank Tkalcevic
What I'm seeing (and I'm not a linuxcnc expert) looks correct. After the homing sequence it jumps to HOME. This is documented here (0.1.3.7) http://linuxcnc.org/docs/2.4/html/config_ini_homing.html -Original Message- From: Feral Engineer [mailto:theferalengin...@gmail.com] Sent: Sund

Re: [Emc-users] Touch screen for LinuxCNC

2021-06-01 Thread Frank Tkalcevic
I got one of these... https://www.aliexpress.com/item/32886510797.html The side brackets are removable and it has vesa mounting holes on the back. I use it with a PC - HDMI and USB connection. I use it with touchy. -Original Message- From: John Dammeyer [mailto:jo...@autoartisans.com]

Re: [Emc-users] Touch screen for LinuxCNC

2021-06-01 Thread Frank Tkalcevic
e display. > -----Original Message- > From: Frank Tkalcevic [mailto:fr...@franksworkshop.com.au] > Sent: June-01-21 6:47 PM > To: 'Enhanced Machine Controller (EMC)' > Subject: Re: [Emc-users] Touch screen for LinuxCNC > > I got one of these... > > htt

Re: [Emc-users] Touch screen for LinuxCNC

2021-06-02 Thread Frank Tkalcevic
so > > > for axis maybe for the wizards > > > > > > On Wed, Jun 2, 2021, 4:18 PM John Dammeyer > > wrote: > > > > > > > Nicely done! > > > > > > > > > -Original Message- > > > > > From: Frank Tkal

Re: [Emc-users] LinuxCNC in use on 5axis

2021-06-20 Thread Frank Tkalcevic
Very nice. What CAM are you using the generate the 5-axis gcode? -Original Message- From: Tomaz T. [mailto:tomaz_...@hotmail.com] Sent: Monday, 21 June 2021 5:33 AM To: 'Enhanced Machine Controller (EMC)' Subject: [Emc-users] LinuxCNC in use on 5axis Recent project done on my DIY 5-axis

Re: [Emc-users] problems with USB inside my sim (was: .so components?)

2012-01-06 Thread Frank Tkalcevic
I looks like a timing issue. Gladevcp needs pins from hidcomp, but hidcomp hasn't initialised completely yet. Have you tried the -W (or -Wn) option with hidcomp? See the man page for loadusr. > -Original Message- > From: Spiderdab [mailto:77...@tiscali.it] > Sent: Saturday, 7 January

Re: [Emc-users] Ideal Atom?

2012-01-07 Thread Frank Tkalcevic
My next atom board will probably be this one... http://www.mitxpc.com/proddetail.asp?prod=MBNC9KDL2700 or a similar one based on the D2600 (which has been pulled from the site because they aren't allowed to sell it till 15th Jan). The D2600 board is 1.8GHZ, and is a lower profile so it should fi

Re: [Emc-users] Ideal Atom?

2012-01-07 Thread Frank Tkalcevic
=au Unfortunately, I just noticed it only has HDMI output. > -Original Message- > From: Frank Tkalcevic [mailto:fr...@franksworkshop.com.au] > Sent: Sunday, 8 January 2012 6:26 AM > To: 'Enhanced Machine Controller (EMC)' > Subject: RE: [Emc-users] Ideal Atom? >

Re: [Emc-users] Ideal Atom?

2012-01-07 Thread Frank Tkalcevic
> > It should be fine for EMC in terms of latency numbers, but I am reserved > about LPT port. > > Is there any practical situation to make use of 2 LANs? Not for me. I just love the mini-itx foot print, and how small we can make emc machines, with a 5i20 PCI card. The D945 single core board w

[Emc-users] OT: HDMI to VGA Was RE: Ideal Atom?

2012-01-07 Thread Frank Tkalcevic
I've just googled for HDMI to VGA converter cables, and they seem cheap and plentiful. Is this just a plug in solution? Is the HDMI signal VGA compatible? > http://webcache.googleusercontent.com/search?q=cache:38ouTBEu2wYJ:w > ww > >> .mitxpc > >> > .com/proddetail.asp%3Fprod%3DMBNF9C2600%26c

Re: [Emc-users] running headless on my ASUS AT5NM10-I MB (Intel Atom D510 cpu)

2012-01-08 Thread Frank Tkalcevic
I use a D945GSEJT (single core atom 1.6GHz) in that kind of configuration - I've disabled X11, so I always boot to a command prompt. I have a KVM if I need it. Jitter - 6873/6755. When running a desktop it glitches to about 15000. I still haven't removed all unnecessary daemons. My plan is to

Re: [Emc-users] running headless on my ASUS AT5NM10-I MB (Intel Atom D510 cpu)

2012-01-09 Thread Frank Tkalcevic
> I use a D945GSEJT (single core atom 1.6GHz) in that kind of configuration - > I've disabled X11, so I always boot to a command prompt. I have a KVM if I > need it. Jitter - 6873/6755. When running a desktop it glitches to about > 15000. Interestingly, if I'm running latency-test then startx,

Re: [Emc-users] emc Through ssh

2012-01-09 Thread Frank Tkalcevic
This whole server/client/remote/x11 discussion has got me perplexed. Maybe I've missed something, but I've been running my development environment on headless boxes for years. I work on a windows 7 box, and use Cygwin/X to connect to the unix boxes. I run... ssh -Y -l username hostname to esta

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-17 Thread Frank Tkalcevic
Do you think the other mob are in danger of being lawyered by a company that makes razors? -- Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-18 Thread Frank Tkalcevic
Interestingly, if you google "emc opensource", buried among all the excellent enhanced machine controller articles, there is reference to the other emc and their foray into open source. Maybe this is how they get their google search rating up. > -Original Message- > From: Stephen Wille P

[Emc-users] OT: Building kernel modules

2012-01-26 Thread Frank Tkalcevic
I've just got a new motherboard with new generation CPU (Jetaway NC9KDL-2700 with Intel Atom D2700). Emc works fine, but because the chipset is new, I can't get the lm-sensors to detect the hardware. I'd like to monitor CPU and system temperatures, and control fan speeds. If I get the latest sen

Re: [Emc-users] Homing

2012-01-28 Thread Frank Tkalcevic
In AXIS_1 and AXIS_2 section, you have HOME defined twice. Once at 0, the other at 10.0. > -Original Message- > From: Viesturs Lacis [mailto:viesturs.la...@gmail.com] > Sent: Sunday, 29 January 2012 2:08 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Homing > > 201

Re: [Emc-users] SJ200 VFD and Modbus

2012-02-02 Thread Frank Tkalcevic
So which version do you need? I've made my own revision 2 driver. > -Original Message- > From: Kirk Wallace [mailto:kwall...@wallacecompany.com] > Sent: Friday, 3 February 2012 2:51 PM > To: LinuxCNC Users List > Subject: [Emc-users] SJ200 VFD and Modbus > > I'm trying to get my SJ200 V

Re: [Emc-users] SJ200 VFD and Modbus

2012-02-03 Thread Frank Tkalcevic
> I haven't considered a generic VFD or Modbus device driver, because not > only do the device functions vary widely, but so do implementations of the > Modbus standard. Yes, I found that too. I built my code based on the GS2 module and Michael's code. > Early on, I avoided using the GS2 comp

Re: [Emc-users] AXIS default jog speed on A-axis

2012-02-07 Thread Frank Tkalcevic
> That sounds like a nice method. I will try to implement that. Setting S to zero > to stop material flow is good enough, seems that the dreaded ooze in my > case starts a few seconds after the extruder is stopped. (Thermal > expansion?) If I take care to move out of the way before that it seems to

[Emc-users] gremlin.py for a lathe

2012-02-25 Thread Frank Tkalcevic
Has anyone successfully run gremlin.py standalone (using gremlin-run) with a lathe? When I run it, it is always showing the XY plane, not the ZX plane. I've tried setting self.current_view = 'y' (assuming this means view down the y axis), but no matter what I set this to, it is always shows the

Re: [Emc-users] gremlin.py for a lathe

2012-02-25 Thread Frank Tkalcevic
> > Has anyone successfully run gremlin.py standalone (using gremlin-run) > > with a lathe? > > > > When I run it, it is always showing the XY plane, not the ZX plane. > > I've tried setting self.current_view = 'y' (assuming this means view > > down the y axis), but no matter what I set this to, it

Re: [Emc-users] (no subject)

2012-02-25 Thread Frank Tkalcevic
> The factory of the future: > http://www.youtube.com/embed/nd5WGLWNllA?rel=0 Almost. I still see humans on the assembly line. -- Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of vi

Re: [Emc-users] gremlin.py for a lathe

2012-02-27 Thread Frank Tkalcevic
If you are looking for more bug fixes and enhancements to do... * The colour of the tool on the lathe is very dark and hard to see. I've tried adjusting the colours in gremlin, but I only managed to make it darker. * As an enhancement, moving the font selection string into a function call so my

Re: [Emc-users] Bringing linuxcnc to its knees, begging for mercy!

2012-03-04 Thread Frank Tkalcevic
I think your program is just doing so too much. Axis will load your gcode, then simulate the whole file to get the OpenGL preview. If you have lots of little steps, it is going to take a while. > -Original Message- > From: gene heskett [mailto:ghesk...@wdtv.com] > Sent: Monday, 5 March

Re: [Emc-users] State of Wizards/Druids for simple machining.

2012-03-08 Thread Frank Tkalcevic
Don't forget GWiz (http://wiki.linuxcnc.org/cgi-bin/wiki.pl?GWiz_-_A_Gcode_Wizard_Framework) - it needs a screen shot - that page doesn't sell it well. I've build some lathe wizards, and I've just converted my router (although I usually use visual mill for cam) It is just waiting for someone to s

Re: [Emc-users] Strange Sound from Motors when Home Latched

2012-03-14 Thread Frank Tkalcevic
I had a problem similar to this, including intermittent faulting, because I didn't have HOME_FINAL_VEL set. It was moving from the index position, to 0 too fast. I can't remember if it was because I hadn't set the maximums yet, or if it was the bug in joint mode, where an axis can exceed its maxim

Re: [Emc-users] Q re lathe vs axis

2012-03-14 Thread Frank Tkalcevic
> 2 identical machines, installed from the same cd, one works, one does not. > The one that works uses display:10, the newer one that doesn't, tries to use > display:0. display:10 is normally what I see when I ssh to a remote box. Display:0 is the local machine's monitor/video card. >From mem

[Emc-users] Unhoming when powered off.

2012-03-23 Thread Frank Tkalcevic
My gantry still has some spring in it. If I manually cut power, or fault, the slaved axis move slightly, so when I try to power on again (F1/F2), it immediately faults. I need to unhome, go back to joint mode and rehome, but I can't because Axis disables the unhome menu options. Is there any tec

Re: [Emc-users] Unhoming when powered off.

2012-03-23 Thread Frank Tkalcevic
Thank you. That was a nice easy fix. > -Original Message- > From: Sebastian Kuzminsky [mailto:s...@highlab.com] > Sent: Saturday, 24 March 2012 6:22 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Unhoming when powered off. > > On Mar 23, 2

Re: [Emc-users] Behavior of Touch-Off Dialog (and Tool Table Editor?)

2012-05-08 Thread Frank Tkalcevic
> More exotic ideas might involve two entry boxes and two "submit" buttons... How about defaulting to the current position in the text box, and adding a Zero button that zeros and submits in one click. -- Live Security V

Re: [Emc-users] Intel DN2800MT - possible new LinuxCNC star?

2012-05-23 Thread Frank Tkalcevic
I was in the market for a mini-ITX motherboard at the beginning of the year. I wanted that board, but it hadn't been released yet. I ended up getting a D2700 based one... http://www.mitxpc.com/proddetail.asp?prod=MBNC9KDL2700 I don't remember the numbers, but the latency was good. I did have

Re: [Emc-users] Chinese "C7" ball screws

2018-02-27 Thread Frank Tkalcevic
That ebay ad says "Ball screws are used in aircraft and missiles". What are you building? -Original Message- From: Chris Albertson [mailto:albertson.ch...@gmail.com] Sent: Wednesday, 28 February 2018 8:34 AM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] Chinese "C7" ba

Re: [Emc-users] How does this work?

2018-05-20 Thread Frank Tkalcevic
> I paid abut $30 for a very good 16mm diameter by > 500mm long zero backlash ball screw and nut. Yes truly "zero" there seem > to be two ball nuts working in opposition. If there is backlash on the $30 > screw it is less them by dial indicator can show. Where did you find these? Most ballscr

Re: [Emc-users] chinese vfd is driving me bonkers.

2019-03-28 Thread Frank Tkalcevic
> "There "universal" is the one to get. Those pumps are listed as 240v 50Hz - is that dangerous keeping AC submerged like that? ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Emc-users@lists.sourceforge.net

2013-11-28 Thread Frank Tkalcevic
> - There are two STL to GCODE converter programs in the Windows side of > things: >- - Skeinforge >- - Slic3r Slic3r runs on linux too. -- Rapidly troubleshoot problems before they affect your business. Most

Re: [Emc-users] Beaglebone USB

2013-12-03 Thread Frank Tkalcevic
> I've been fighting with USB port on my BBB for a few month. > First, I can't connect separate keyboard and mouse - only combo devices. > USB hubs won't work (I tried a few). Obviously I can't use USB flash drives > either. Strange, I had all these problems with my Raspberry Pi. It would only wo

[Emc-users] math in a hal file

2013-12-21 Thread Frank Tkalcevic
Can you do math in a .hal file? I need to set halui.jog-speed, which is just MAX_VELOCITY in the [TRAJ] section of the ini file. But MAX_VELOCITY is in machine units (mm/s), and halui.jog-speed appears to be in program(?) units (mm/min), so I need to multiple by 60. I really need to do this

Re: [Emc-users] beaglebone linuxcnc MPG

2014-01-20 Thread Frank Tkalcevic
The BBB CPU has internal encoder reading hardware, so that is a low CPU use option. Also, a USB pendant is generally a pretty low load. Frank > -Original Message- > From: Jon Elson [mailto:el...@pico-systems.com] > Sent: Monday, 20 January 2014 12:01 PM > To: Enhanced Machine Controller

Re: [Emc-users] Multiple INI files

2014-02-13 Thread Frank Tkalcevic
Post an enhancement request on the dev mailing list. There are lots of developers out there that would like to contribute to linuxcnc but don't because a lot of the required work requires in depth knowledge - ini file enhancements should be a simple standalone task. Ini file access should be thro

[Emc-users] G70, G71, G72 Lathe profile cycles

2014-04-17 Thread Frank Tkalcevic
For the TL;DR bunch, my question - when implementing these, should they have smarts in them to prevent gouging or overloading the tool? Or is it assumed that the operator/programmer is smart enough not to try something dangerous? Detailed question. I want to implement these as wizards. I see

Re: [Emc-users] Off Topic Bellows

2007-10-04 Thread Frank Tkalcevic
> I made a bellows out of manila to see if I could do it, and it turned > out well. Can anyone suggest a material for the final version? > > Kirk Wallace I used thin polypropylene sheet, 0.39mm thick. I got it from my local art supply store. It needs to be scored for it to fold properly, but

Re: [Emc-users] Off Topic Bellows

2007-10-04 Thread Frank Tkalcevic
> > > I made a bellows out of manila to see if I could do it, and it turned > > > out well. Can anyone suggest a material for the final version? > > > > > > Kirk Wallace > > > > I used thin polypropylene sheet, 0.39mm thick. I got it from > ... snip > > The milky white appearance of the polypr

Re: [Emc-users] Endmills

2008-06-17 Thread Frank Tkalcevic
Sorry for coming in late on this, but there are actually two Drill Bit Cities - the other one is Drill Bit City II, at http://drillcity.stores.yahoo.net/. They have full and half sets of everything, not just the special items. There's a link on the Drill Bit City links page to II. I'm not sure w

[Emc-users] Can't start EMC rtai

2008-10-19 Thread Frank Tkalcevic
I've been trying to install EMC2 on Ubuntu 8.04. I installed 8.04 without any problems. I ran update and all the updates installed. I then ran the emc sh install. It appeared to install fine. When I rebooted and selected the rtai kernel, I get a prompt... (initramfs) and the following messag

Re: [Emc-users] Can't start EMC rtai

2008-10-19 Thread Frank Tkalcevic
Ok, I've solved it. In my BIOS I have an option... Enhanced Mode Support On: I had it set to "P-ATA+S-ATA". I changed it to S-ATA. It worked. I don't know why it worked for 8.04 regular kernel and not rtai. I have 2 sata hard drives, and an IDE DVD. > I've been trying to install EMC2 on Ubu

[Emc-users] OT: wiring 5i20 + 7i33

2008-10-31 Thread Frank Tkalcevic
I'm about to start converting my lathe to cnc and I am wondering how other users of the 5i20 + 7i33 have wired it up. I have some +/-10v servo controllers that I am planning to drive with the 5i20+7i33 combo. My computer is about 3 meters away. I was planning to house the servos in an electrical

Re: [Emc-users] 24 Position Absolute Encoder

2009-03-09 Thread Frank Tkalcevic
> > On Mon, 2009-03-09 at 11:25 -0700, Peter C. Wallace wrote: > ... snip > > > > Take a look at the Austria Microsystems chips > > > > They have 12 bit magnetic absolute encoder chips less than > ~$10.00 AFAICR > > Dooh, now I remember, I brought this up before and you mentioned this > encode

Re: [Emc-users] Dual boot

2009-03-27 Thread Frank Tkalcevic
> My system has dual boot Ubuntu 8.04 and Windows. > How can I change the default system at boot time? > > Gaston I have mine set up so it default boots to the last one I selected. This example is shown in the grub manual http://www.gnu.org/software/grub/manual/grub.html#savedefault ...

[Emc-users] Spindle Servo Soft Start

2009-05-06 Thread Frank Tkalcevic
I've just configured my first emc project, a 9x20 lathe conversion. I'm using a large servo for the spindle - I'm hoping to be able to use it as a 4th axis for some light engraving down the track. My problem - I've set up the servo for the spindle, but like a servo, it responds imediately to chan

Re: [Emc-users] Emc-users Digest, Vol 37, Issue 15

2009-05-06 Thread Frank Tkalcevic
> On Wed, May 06, 2009 at 04:37:07PM +1000, Frank Tkalcevic wrote: > > I've just configured my first emc project, a 9x20 lathe > conversion. I'm > > using a large servo for the spindle - I'm hoping to be able > to use it as a > > 4th axis for some l

Re: [Emc-users] Emc-users Digest, Vol 37, Issue 15

2009-05-07 Thread Frank Tkalcevic
> did you test limit2 and limit3, or just limit3? I'm not sure whether > second-derivative limiting (since command is speed, I guess that makes > it a jerk limit) is useful for spindle speed, and it would be nice to > hear real-world results. Just limit3. I used the basic motion equations s=vt a

[Emc-users] Threading using a servo's encoder output with a geared output.

2009-05-07 Thread Frank Tkalcevic
My lathe CNC conversion uses a servo motor to drive the spindle. It is 4000ppr, with an index pulse, controlled by a 5i20 and 7i33. It uses a 1:3 pulley ratio. Can I set this up for threading? I had a quick try, machining a simple test thread, but as I expected, using a standard setup, I got a

Re: [Emc-users] Emc-users Digest, Vol 37, Issue 15

2009-05-07 Thread Frank Tkalcevic
Sorry, a typo. I was using commanded speed. But the timedelay option sounds more efficient. > -Original Message- > From: Jeff Epler [mailto:jep...@unpythonic.net] > Sent: Friday, 8 May 2009 12:38 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Emc-users Digest, Vo

Re: [Emc-users] Emc-users Digest, Vol 37, Issue 15

2009-05-07 Thread Frank Tkalcevic
> > the place. I used lowpass, and got good enough results. > Is there a > > component that will smooth out a curve? A moving average? > > > Are you using HostMot2? HostMot2 has a much better velocity > output than the old M5I20 driver/firmware. Yes, I'm using HostMot2. The velocity comi

Re: [Emc-users] Emc-users Digest, Vol 37, Issue 15

2009-05-07 Thread Frank Tkalcevic
> Hm, the hm2 encoder velocity output is supposed to be really smooth. > I'll double check it tonight. Any chance you can supply a > halscope trace of it looking bad on your machine? I'm using 2.3. Here's a trace of the commanded velocity (after going through limit3), encoder velocity (*60) an

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