I use Macrium Reflect on Windows. It backups everything, windows, Linux, boot
partitions etc and can even restore to a smaller drive. Been using it for
years and works very well. Worth having a PC in the background just for this.
Cheers Wallace
___
Have you tried youshop.co.nz. Normally quite good.
Cheers Wallace.
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
See here
https://www.lubefinder.com/castrol-ilocut-154.html
With my syringes, I use maybe 5 cc a day. 5cc x 200 days = 1 litre.
A years supply is Pounds $14.50. That is cheaper than water based cutting
fluid and I don't have sump to clean out.
Cheers Wallace.
Ilocut is far superior to WD40. If I could send samples, I would send some.
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
Been machining for a living for 18 years. One off and small runs. Been there,
flood coolant, mist spray and now unless I'm doing steel or heavy aly, I have
reverted to a 5 cc syringe with a thin needle and I spot the material or
cutter as it runs with neat cutting oil. If I'm surfacing a plate or
pressure.
--
Thanking you
Wallace Weideman
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz
On 19/02/2020 at 3:45 p.m., emc-users-requ...@lists.sourceforge.net wrote:
>Send Emc-users mailing list submissions to
> emc-users@lists.sourcefor
Just a correction, I have setup a few stepper systems with LinuxCNC and step
and direction is no problem. The problems came in when using 2KW servo drives
and linear scales on the axis. I just could not get the system to respond
correctly. From memory the StepConfig didn't seem to get the drives
Les - Valuable comments, however, some facts.
I'm and BSc electrical engineer and worked as an industrial control engineer
with PLC, servos etc for a number of years.
I have 2 complete PC with Mesa servo drives, wiring, machines retrofitted etc.
I been following LinuxCNC for a long time, even
My Rasperberry pi is acting as a database server and works well. I still
marvel at my Southwestern Industries CNC machine that runs on a 8085 (5Mhz)
that controls a 3 axis mill at 2m/min with 2000 line encoders and servo
drives. All programming is conversational and tool compensation is done by
Talking of hearts, have you seen this ?
https://www.ted.com/talks/tal_golesworthy_how_i_repaired_my_own_heart
Cheers Wallace
Happy Christmas to you all.
-
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
I tried the Machdrives card yesterday and it worked very well.
https://www.machdrives.com/brb.aspx
If I'm running step and direction, with linear scales, I was wondering if I
could parallel up the linear scales output to the PC so I could still use
LinuxCNC as a DRO. Can this be done?
Thanks
Just ordered one of these to try. Looks very promising.
https://www.ebay.com/itm/322460600468
Downloaded the software and that looks quite professional.
Anyone tried them before ? 80 volt 20 amps
or more power (Tim the tool man !!! )
150 volt 20 amps
https://www.ebay.com/itm/322460615556
That is a big machine and will cost a fortune in time to convert it over. If
you have done one before, fine.
The main issue is, it is open. I have an open mill and it plays havoc with my
health. I have now narrowed down my cough to when I'm running my mill with
flood coolant. The 3 times the
There has been talk about Pi and LinuxCNC and a lot is over my head at the
moment. From reading, the Pi needs to be connected to some sort of interface
before the stepper drives. I'm looking at a CAMSHAFT grinder control which
does not need position feedback, so steppers will do. Can a PI be used
I bought one and was really disappointed. Forum is poor, Synaptic Package
manager does not work. Pop-Os was suggested but that too hiccuped. May just
use it as an internal server if I can get anything to run on it. No one seems
to have Windows running too well on it.
Raspberry Pi is a much
Thanks for the tip. I still have some Permatex left (30 years old) I'd like to
try your option. While you are at the art shop, get some leaded white oil
paint. Add this to EP gearbox oil and it makes for a good lube when thread
forming.
I ended up brazing carbide tips to a flattened bit of tube
>
https://www.screwfix.com/p/evolution-r210cms-210mm-single-bevel-compound-mitre-saw-240v/7277p
Mine was a bit more, secondhad was $500 however it will last for life. The
problem with the drop saw the pivot point is quite small in relation to the
arm. The Milwaukee saw has 2 large linear bearings
> I have cut a few pieces of aluminium that size with my handheld
> cordless circular saw. With the wood-cutting blade, and dry :-)
If you use an aly blade it is much cleaner and the hand held is ok. I have
tried several oils but Ilocut 154 by Castrol is still 200% better than
anything else. If I
May be of interest to chaps here. This cuts down on milling swarf and
machining time.
Needed to rough cut 100 blocks of thick aly before putting them in the milling
machine. Cutting with only 1.5 mm extra for finish machining.
https://youtu.be/gLLt79OqRvA
Cheers Wallace
Just spent 2-3 years wondering why I kept getting sick so often and sometimes
coughing for 3-4 hours a day. (I'm a non smoker and otherwise healthy) I spent
most of the weekend machining aly blocks with coolant splashing all over the
place on a knee mill and on Sunday night felt really sick.
A very interesting discussion. I have delved into Fusion 360 plus a number of
other packages but I still revert back to Turbocad as it is quick and does
what I want. All the work I get is 2.5D. If I was making assemblies, then 3D
would be great but I make parts for companies and I normally just
>This one has to be too good to be true.
https://www.ebay.com/itm/1500w-Flexible-Solar-Panel-Kit-System-120A-Controller-3000w-Inverter-House-Boat/333107282098
If you search Ebay with the description
500w-Flexible-Solar-Panel-Kit-System-120A-Controller-3000w you will see the
$89 kit and below it
Sorry chaps, I seem to have done this again. It seems that if I get a personal
email from an inmate, with their name as the sender, when I reply, it goes to
the forum and not them. I needed to do a copy and paste in the email address
to make it reply correctly.
Wont do that again.
Wallace
Weideman
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
happened, we can normally
safely rest for 100 years.
Flooding, fire and tornadoes just keep coming. Where are you moving to ?
Something I built from scratch.
Thanking you
Wallace Weideman
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz
On 9/03
Been doing a bit of research on conversation mode. From memory, the chaps at
John's work use the conversation mode exclusively.
I am and ex programmer and written off line code for both the SWI Trak CNC and
my Anilam Lathe. The Anilam uses g-code, the mill not. For the mill, I create
the Gcode
I currently run an old South Western industries mill with a Trak CNC 2. Very
old machine but I use it daily and it pays my bills. Has done for the past 15
years and it was old when I got it.
There was a chat a few weeks back on Chinese CNC controllers and a search on
Aliexpress gave
>From what I have seen, anything after the ? is data that is attached for
stats. Ie how you got to the page etc. Normally deleting everything after the
? leaves you with what you need to get back to the page. That normally is a
single line URL.
Cheers Wallace.
I extended the oil jet using 2mm stainless tube so it now
>sticks out about 1.5" past the end of the brass nozzle. This leaves a
>thin annular gap for the air to get out. As the area of the air jet is
>now very small you can run quite high pressure (60 - 100 psi) with very
>low flow. By the
Run several misters and you need around 25 PSI to draw the cutting fluid, mist
the liquid and blow away the swarf.
I don't like my big compressor working hard to produce 25 PSI so I'm busy
setting up a small 3 phase motor to run and oilless pump with a small VFD.
This way I can set the speed of
> Thats one piece of
> certified 135 mph giddyup I still wish I had.
Pictures please.
Cheers Wallace
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org!
Bought a Samsung Smart TV and really regretted it. Keeps updating itself and
changes the icons etc etc. 'Support' from India and almost all requests end in
a "do a system reset" Oh yeah. No keyboard works properly and you have to
fart around with the arrows on the remote to type things in.
I have run one of these for over 2 years on my 5hp mill which works most days.
Even the Chinese support was quite good. It works very well and I bought a
second one just for standby.
https://www.youtube.com/watch?v=jxQ_NH4bj9o
and in this one a guy uses it to cut out an adapter plate to put a new
encoder on an axis motor for his Bridgeport Boss CNC mill, Skip 2 minutes.
https://youtu.be/q8GFpSCK6Jk
Pretty cool stuff.
Cheers Wallace
Yes without brushless... ;)
This actually means with brushes or some other form of power commutation.
--
Find and fix application performance issues faster with Applications Manager
Applications Manager provides deep
>From the advice, I have got a bit further.
I have reduced the acceleration to 150.
P=5
I=2
D=0.2
I have a 5 mm step and pause loop and the table travels are +- 0.02 mm from
required points. Fantastic.
I then tried a 50 mm step and it over and under shoots by 0.6 mm.
Once I pause the
Summary of replies
>It might work better with an inner speed loop and an outer position loop.
Not sure what this means.
>INPUT_SCALE and
>DEADBAND
No INPUT_SCALE parameter
DEADBAND=0
OUTPUT_SCALE=10
>Can you run those drives in velocity mode?
My servo drives in velocity mode require a tacho
I finally have my mill table moving under CNC control.
I'm using a 70 volt supply with DCM D6 drives in Torque mode, Mesa 7i48 cards,
Linear scales for position and 1.2 kw DC brush motors (my guess on the power
as they are 90 volt motors but no current rating)
The only way I can get any control
I had 2.6.5 setup and working on the test bed. It was last used about 6 months
ago. By "mistake" I did a general update and now LinuxCNC crashes.
I tried to update to 2.7 and that came up with many errors.
I though I would start from scratch. I downloaded 2.7 and made a bootable USB
disk.
I
Try here
Great products with covers and mounting hardware.
http://www.aliexpress.com/item/New-Design-5um-aluminium-alloy-DC10-optical-linear-scale-encoder-ruler-measuring-from-50-300mm/1697688495.html
Cheers Wallace.
I have a working Anilam Lathe with Servo Dynamics boards. The do run around
120v DC. In my circuit diagrams and in my machine there is a very large output
choke in line with the motors. Possibly you need these.
Cheers Wallace
I'm busy retrofitting a ZAY7045 mill with CNC control. Is anyone interested in
the progress with photos ?
http://s93480190.onlinehome.us/zay/zay7045fg.bmp
Cheers Wallace
--
Site24x7 APM Insight: Get Deep Visibility
In a shaper where the part being machined rotates. If you look closely there
is a small relief slot at the end of each thread.
--
Site24x7 APM Insight: Get Deep Visibility into Application Performance
APM + Mobile APM +
Farnell Newark Element 14 Joke All the same company. Joke
It is cheaper for me to order parts from the US plus shipping by (1/3) than
buy locally from the Newark in New Zealand and this was on a $800 order for
multi turn pots. I now only buy from the branded houses if I need next day
else eBay or
I had a Chinese migrant who worked for me here in New Zealand and her comment
was, Aliexpress is just EBay. It is not a one big shop selling everything. It
is many many sellers with their goods. Check their feedback first.
Best thing is when you receive the goods open a dispute and then let
Apparently DC Brushless cog but not AC ?
Anyway I'm about to order a 6N.m 1.8KW AC motor and drive for $340. It's
worth a try.
Brushes ?? My South Western Industries mill has run 20+ hours a week for + 10
years and I have never changed a brush. Maybe I should check sometime.
Possibly if the
I've have a collection of DC motors but none are powerful enough for my new
project. The prices for DC Servo motors is really high and after a bit of
looking around, AC servo's may be an option.
Never having used them before what are the downsides for CNC control ?
Here is one of may I have
I think the slowest headstock RPM is about 110 RPM. I think going down to 10
-20 RPM would be good.
The gearbox on the headstock also has a lot of backlash. Driving it directly
should fix that.
Thanks Wallace.
--
I've just purchased an old but good Jones and Shipman grinder. While stripping
it all for sand blasting and repainting, it looks like a great candidate for
CNCing. CNC the headstock rotation and the grinder forward/backward travel.
See here (Not mine)
I use 2 zero points.
If I'm using the vise, it is normally the edge of the rear jaw on the RHS.
It's easy to see the part in the vise from this side.
If I'm using the table, it is LHS front (nearest me) edge. This is easier to
see and line up with larger parts.
Last post seems to have got lost.
https://www.youtube.com/watch?v=sFrVdoOhu1Q
This is quite something. Using, amongst other things, granite blocks, flat
within 1 micron
Cheers Wallace.
--
Dive into the World of
https://www.youtube.com/watch?v=sFrVdoOhu1Q
This is quite something. Using, amongst other things, granite blocks, flat
within 1 micron
Cheers Wallace.
--
Dive into the World of Parallel Programming The Go Parallel
Just coming into this discussion now !!
I too want the option to disable the servos and use the machine manually with
the dro. Hence my choice of servos and linear scales. I have South Western
Industries mill now it is both manual and CNC and I wouldn't change it for the
world. PS it doesn't have
I installed the latest software and have the Mesa cards and servos running.
No text editor to be found. Pressing edit on the File menus does nothing ??
Where is gedit ?
I have set the acc and velocities up high using the config editor but when
running the program, the velocity is about 1/10 I
There seems to be a lot of effort to filter the cutting fluid. My machines run
up to 10 hours a day and I only use my settling tank. No Filters. I change the
cutting fluid every 6-8 months or so and wash out the settling tank and start
again.
I have found some filters cause the cutting fluid to
I use a large plastic box and I have 3 settling compartments in there. So the
coolant fills the first then spills into the next and the next each time
dropping more swarf. A trick is to drill holes in the tank separators near
the top but below the liquid, that way nothing floats over the top. It
The Chinese ballscrews are rolled and not therefore not as accurate as ground,
or so I have read. However as I'm going to be using servos and linear scales,
I can't see this being a problem.
Any thoughts on this ?
Thanks Wallace.
Hi Andy
Thanks for the reply. I too was getting these low figures and thought I was
missing a 1000 unit error.
Thinking about it, something appears to be wrong. For me to manually push a
50kg table from 0 to 10m/min would take a bit of effort, but, possibly the
friction/oil film takes most of
A bit off topic but I would like to get this correct before I start.
I have bought a ZAY7045 mill
http://czdm45.trustexporter.com/product/detail/286/533904.htm
I have also bought
Ametek MCG DMC-6D Brush Type PWM Servo Drive Amplifier 6amp 80vdc
and
Ametek Nema23 PM Brushed DC Servo Motor w/
Thanks for the info. What you have listed I have done many times before.
Here are some of the other issues
Wireless drivers, you have to know a bit about Linux to find and install
them.
LinuxCNC put files all over the place. I've yet to find any logic in the way
it works.
Creating disk
Marshland Engineering
704 Marshland Road
Styx
Christchurch
03 3237449
www.marshland.co.nz
--
Comprehensive Server Monitoring with Site24x7.
Monitor 10 servers for $9/Month.
Get alerted through email, SMS, voice calls
Here it is a Aliexpress - No feedback as yet.
http://www.aliexpress.com/item/Free-shipping-Hantek-6022BL-2-Channel-PC-USB-Based-Oscilloscope-20MHz-S707/2039383627.html
Found another one with good feedback. Much more expensive !!!
Not sure if you have seen this but those playing with a Raspberry Pi's, your
touch screen has arrived.
http://www.dx.com/p/7-digital-touch-screen-drive-board-hdmi-vga-2av-for-raspberry-pcduino-cubieboard-318884
Cheers Wallace
I'm looking to make a new CNC table for both Plasma and possibly Plastic and
Aluminum cutting. It will be about 1.8m x 1.2m.
I was wondering if anyone has a similar configuration that is run with
toothed belts instead of ballscrews? Obvously a lot cheaper option, however,
I was wondering on the
I'm going through the same process at the moment. I have sent my files to
Seeed. My boards are small. 40x40 mm
My small reflow oven is on its way at present.
Seeed apparently also make stencils, however I haven't priced them as yet.
I've been looking at solder paste and syringes and there is a
I've created it's own heading as this is worth knowing. At least I think so.
I needed to apply a thin bead of Silicone to a part and found these
http://www.amazon.com/Monoject-Curved-412-Syringes-5pcs/dp/B007Y8230G/ref=sr_1_1?s=hpcie=UTF8qid=1379908207sr=1-1
If the link does not work, try
Were the 'errors' I showed (~.015mm over a 50mm move) in the right ball
park for a non-ball-screw benchtop mill driven by steppers?
This sounds well within then range if normal screws if not better than I
would have expected. Another way of looking at this is it is 0.03% error.
Very small.
I've used a special bearing grease designed for spindle.s I have no seals on
mine, just a few dust rings at the bottom to keep the dust out. I put new
bearings in about 8 years ago and the machine works daily. Never touched it
since then.
One article said that if berarings were assembled in a
Try these for size.
http://www.amazon.com/Baby-Orangutan-B-328-Robot-Controller/dp/B007NN3RHK/ref=sr_1_1?ie=UTF8qid=1376976067sr=8-1keywords=Baby+Orangutan
Cheers Wallace
--
Introducing Performance Central, a new site
Anything that ends up in HAL can be tweaked live (without restarting
LinuxCNC). This includes PID gains, stepgen timing, etc. I use
halcmd -kf in a terminal to do this.
I'll try this. Thanks
2. A higher servo thread rate than 1 KHz may be required to close the
velocity portion (D term)
After a 'few' more hours, we have got quite a bit further with getting the
system running.
Basically we scrapped PNCConfig and started editing the files directly.
We set all the velocities, accelerations, following errors to huge values so
the system would run and then we started tweaking the
I did an interesting exercise today. I received a DXF from the cam grinder
with 360 line segments. I imported into SheetCam and then exported it to
GCode.
I looked at the GCode and couldn't believe my eyes. It was only 7 arcs long.
SheetCam must have joined the lines together and created arcs.
Looks like you chaps were busy chatting while is was sleeping piecefully and
waking to a nice first this morning.
The CAM grinder was a discussion I had with my local CAM grinder yesterday
and from the replies, it looks like LinuxCNC will be able to create working
solution.
Thanks for the
Hi Chaps. Could you please trim your posts. They are getting quite long at this
point.
--
The Go Parallel Website, sponsored by Intel - in partnership with Geeknet,
is your hub for all things parallel software
Thanks for the replies
Month end so I'm busy finishing jobs at the moment !!!
The motor is attached to a ballscrew and encoder. Currecntly I only running
25 volts and the motor turns at approx 300 rpm full speed.
The servo is set to current mode and the maximum current is 10 amps.
Currently on
I'm running Colpey servo drives but I cannot get them tuned in with
LinuxCNC.
The servo is a current drive with a +- 10 volt input.
As there is not much load on the drive so a +-0.4 volt will swing the motor
at full speed.
The manual for the drive says to supply a stepped input to it and tune
Can you tell me what your PID values you have in your setup? I know mine
won't bet the same but it gives me an idea on the range.
Thanks Wallace
--
Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
We finally have the test system up and running.
We are running servo drives. The drives themselves have some adjustments so
the best operation will have to be a combination of drives and PID values.
I can't seem to find a Hal pin that I can trace on the Halscope to measure
either required
I found PNCConf and this is what I have setup so far. Not sure what half the
bits are.
Lathe_Copley
Axis XZ Lathe
Machine Units mm
Test Base Jitter
Computer response time 1029317 Max Intgerval
Base Thread 742185
Actual Serv Period - 10
I/O
Mesa 5I20
GUI Axis
External Controls - No Change
You can tap with a bottom tap. It all depends on the pilot hole. If you make it
a bit larger, the bottom tap will work.
Sometimes when you have a deep threaded hole, (depth 3D) there will be enough
material left to hold the screw.
If it is not deep, start with the first tape and finish with
I want to download and install EMC2 from the source files.
On the page
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Installing_EMC2#Getting_the_source_with_git
it says to
sudo apt-get install git-core gitk git-gui
(I presume I run the line from the terminal page.)but I get the message
'Have you been able to sudo apt-get install anything else? Because if
you have some repositories listed in /etc/apt/sources.list , then that
shouldn't occur, 'cos it's there to be had:'
This is a new install of 10.04
All updates are done
$ apt-cache search gitk --- returns
stgit-contrib - set
I'm not sure if this can be done but I do have it on my existing mill.
It has servo drives with encoders but it also has encoders on the table. This
obviously gets rid of backlash. (I have to say it is very accurate mill)
Has anyone done something like this ?
Thanks Wallace
On the other hand if your servo drives require a +/- 10VDC analog input then
it is hard to beat this combination in my opinion: a Pico Systems PPMC
motherboard with a DAC, ENC, and DIO running off of an Intel D510MO.
I am delighted with mine.
The above looks like the way to go for me.
I have
I now need to upgrade my rather large CNC Mill. I would like to duplicate my
South Western Controller by being able to use CNC or hand wheels.
For this I would need feedback from the servo drives back to the PC to be able
to know where I am.
The drives are 2 Kw Servo motors and I have servos
Is there anyone here in Christchurch New Zealand running EMC2. If not anyone in
NZ ?
I wouldn't mind a chick chat. I need to get it up and running asap.
Cheer Wallace PH 3237449
--
Nokia and ATT present the 2010
An option is to try a light bulb in series with the motor. Eg With 24 volt
motor @ 50 watts, use two 12 volt halogen bulbs. That way if the motor stalls
the bulbs light up and reduce the power to it to a 1/4. Under low load, the
bulb is a low resistance and all should run well, under high load
Can anyone recommend a goo DXF to G-Code converter? Lower cost would be great.
It is for a plasma cutter so I need to order the cutting sequences.
Thanks Wallace
--
Beautiful is writing same markup. Internet Explorer 9
Thanks Chaps
I did download it last night and it seems to be very good.
Any idea on what limitations there are on the demo version. It seems to be
running without any problems.
Thanking Wallace
Marshland Engineering
Christchurch
New Zealand
components except the UHU chip which you have to buy from
the designer.
Thanking you Wallace.
Wallace Weideman
Marshland Engineering
www.marshland.co.nz
--
Come build with us! The BlackBerry(R) Developer Conference in SF
I know this is for EMC users but as we are all bent on pushing the envelope,
this is worth watching.
http://www.youtube.com/watch?v=quN37YskoaMNR=1feature=fvwp
Cheers Wallace New Zealand
--
Let Crystal Reports handle
Not sure if I'm being stupid or not, please on.
I upgraded my harddisk with a migration package and Ubuntu did not want to boot.
I downloaded the latest version, 2.2.2.1-6.06 Ubuntu from the web site and
reinstalled.
All up and working except no EMC2 ? I'm not sure where to start.
Thanks
Hi Is there anyone in New Zealand running EMC ?
I have download the demo package and installed the system but I can't see
how to run the demo? I'll call if you send me your contact details.
[EMAIL PROTECTED]
Thanks Wallace
93 matches
Mail list logo