Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 10:32 PM, Gene Heskett wrote: > pi@pionsheldon:~ $ linuxcnc -l > LINUXCNC - 2.8.0-pre1-2771-gdc2ff49 > Machine configuration directory > is '/home/pi/linuxcnc/configs/sheldon-lathe' > Machine configuration file is '7i90-axis.ini' > Starting LinuxCNC... > Found file(REL):

Re: [Emc-users] CC-Link emc2

African blackwood is what you are describing. It is actually a dalbergia (rosewood) and is often as expensive as ebony. Australian blackwood is a not black at all and is an acacia, similar to koa.  +++ "Anyone who

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

On 5/28/2017 8:36 PM, Gene Heskett wrote: On Sunday 28 May 2017 21:07:15 John Thornton wrote: Hi Gene, The Z axis ball screw attachment is a bit weak and is not very consistent. It attaches to the quill with a 1/4" screw and another one a bit bigger. And the X ways have a bit of wear so the

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

It's an Anilam 1100M conversion and the Z connection is a bit on the weak side. JT On 5/28/2017 8:36 PM, Gene Heskett wrote: On Sunday 28 May 2017 21:07:15 John Thornton wrote: Hi Gene, The Z axis ball screw attachment is a bit weak and is not very consistent. It attaches to the quill

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

On Sunday 28 May 2017 21:07:15 John Thornton wrote: > Hi Gene, > > The Z axis ball screw attachment is a bit weak and is not very > consistent. It attaches to the quill with a 1/4" screw and another one > a bit bigger. And the X ways have a bit of wear so the saddle dips a > bit in the middle. >

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

Hi Gene, The Z axis ball screw attachment is a bit weak and is not very consistent. It attaches to the quill with a 1/4" screw and another one a bit bigger. And the X ways have a bit of wear so the saddle dips a bit in the middle. JT On 5/28/2017 10:25 AM, Gene Heskett wrote: On Sunday

Re: [Emc-users] New kind of stepper motor on eBay

On Sun, May 28, 2017 at 1:48 PM, Nicklas Karlsson < nicklas.karlsso...@gmail.com> wrote: > > ... > > I made my own driver cards with closed loop controller. With my driver > control loop could be run once for each switch which is equal to twice the > switching period. I think it make a lot of

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 10:09 PM, Bertho Stultiens wrote: > I can also confirm that the SPI interface is running at 50MHz and not > 32MHz. This means I can, apparently, reproduce the problem. This makes no sense at all. I just added a one-liner in probe_board(), reading the cookie twice after each other.

Re: [Emc-users] the saga of gene vs pi's continues

On Sunday 28 May 2017 16:09:07 Bertho Stultiens wrote: > On 05/28/2017 09:20 PM, Bertho Stultiens wrote: > > Well, I'n now in the position that I can report the following: > > ... > > Starting LinuxCNC... > > Starting LinuxCNC server program: linuxcncsvr > > Loading Real Time OS, RTAPI, and

Re: [Emc-users] New kind of stepper motor on eBay

> ... > > They are an integrated closed loop driver/controller and motor. The > feedback loop is done inside the motor. They are MUCH better at holding > torque at high speed than are normal steppers. More like a servo but at > much lower cost. The motor accepts DC power (about 36 volts)

Re: [Emc-users] the saga of gene vs pi's continues

On Sunday 28 May 2017 15:29:57 Bertho Stultiens wrote: > On 05/28/2017 09:00 PM, Gene Heskett wrote: > > Boots right up, x still busted > > I'm not running X on my pi. I wanted to keep it as simple as possible. > It already took ages to get all required dev-packages installed. And > no, I didn't

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 09:20 PM, Bertho Stultiens wrote: > Well, I'n now in the position that I can report the following: > ... > Starting LinuxCNC... > Starting LinuxCNC server program: linuxcncsvr > Loading Real Time OS, RTAPI, and HAL_LIB modules > Starting LinuxCNC IO program: io > Found file(REL):

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 09:00 PM, Gene Heskett wrote: > Boots right up, x still busted I'm not running X on my pi. I wanted to keep it as simple as possible. It already took ages to get all required dev-packages installed. And no, I didn't install tex for building docs. That would've made testing a planned

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 09:00 PM, Gene Heskett wrote: > Boots right up, x still busted, plugged in the HD and while it didn't > mount anything, it id'd /dev/sda1 2 & 3, which are empty, with one > as /boot, 2 as / and 3 as swap. That should be about right, except... I'm using a filesystem-file as swap.

Re: [Emc-users] the saga of gene vs pi's continues

On Sunday 28 May 2017 13:20:18 Bertho Stultiens wrote: [...] > > If you could put a deb of that kernel in my inbox, I'd be delighted! > > Tarball contains /boot and /lib/modules/4.9.30-rt20-v7+ directories > (without leading /) and is about 32M in size: >

Re: [Emc-users] New kind of stepper motor on eBay

On Sunday 28 May 2017 11:37:29 Chris Albertson wrote: > On Sat, May 27, 2017 at 9:51 PM, Fox Mulder wrote: > > Looks to me just like a stepper motor with integrated motor driver > > without feedback. > > You ar right. The feedback being referred to is "current feedback". >

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 06:41 PM, Gene Heskett wrote: >> For the Pi, I always make a card image on my local host of the latest >> running version using: >> # dd if=/dev/sdX bs=4M | gzip > piimg-XYZ-$(date >> '+%Y%m%d%H%M%S').img.gz >> > I take it you have a rotating media attached? Well, I take the SD card

Re: [Emc-users] New kind of stepper motor on eBay

On Sunday 28 May 2017 11:16:13 Chris Albertson wrote: > On Sat, May 27, 2017 at 9:51 PM, Fox Mulder wrote: > > These little machaduino boards look good for small size motors they > replace the driver board > > The Leadshine and other Chinese versions are not copies because >

Re: [Emc-users] the saga of gene vs pi's continues

On Sunday 28 May 2017 10:44:46 Bertho Stultiens wrote: > On 05/28/2017 04:20 PM, Gene Heskett wrote: > [snip] > > > I think I'd do as a previous install did, > > name the kernel and kernel7 images with unique names, and specify, > > in boot/config.txt, the kernel its supposed to boot. Then apt, >

Re: [Emc-users] New kind of stepper motor on eBay

On Sat, May 27, 2017 at 9:51 PM, Fox Mulder wrote: > Looks to me just like a stepper motor with integrated motor driver without > feedback. You ar right. The feedback being referred to is "current feedback". A conventional stepper driver just sends out a pre-programmed

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

On Sunday 28 May 2017 08:20:24 John Thornton wrote: > I wish the BP knee mill Z was good enough to 3D print I'd give it a > try... I just need to get on with making the CoreXY printer. > > JT > Whats the problem with it John? With the weight its carrying, I wouldn't think dropping 10 thou to put

Re: [Emc-users] New kind of stepper motor on eBay

On Sat, May 27, 2017 at 9:51 PM, Fox Mulder wrote: These little machaduino boards look good for small size motors they replace the driver board The Leadshine and other Chinese versions are not copies because (1) They use 1 line quadrature encoders not the magnetic sensor

Re: [Emc-users] switching to a slower spi driver to see if it works,

On 05/27/2017 09:43 PM, Gene Heskett wrote: >> I do not have the hm2 hardware, but that should not prevent me from >> seeing the problem on the SPI bus. > > I think you'll have to have the hm2 hardware, although I'll be glad to be > the lab rat if you want to PM me the newly built modules.

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 04:20 PM, Gene Heskett wrote: [snip] > I think I'd do as a previous install did, > name the kernel and kernel7 images with unique names, and specify, in > boot/config.txt, the kernel its supposed to boot. Then apt, apt-get, and > dpkg can shovel shit around in the /boot tree to

Re: [Emc-users] the saga of gene vs pi's continues

On Sunday 28 May 2017 07:53:32 Mark wrote: > On 05/28/2017 01:00 AM, Gene Heskett wrote: > > Unforch, with that in the box, I'd have to buy another box to put > > the 7i90 and 7i42TA's in. And eventually I am out of space behind > > the lathe. Not to mention the board might be $65, but memory for

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

That is is impressive! N. Christopher Perry > On May 27, 2017, at 9:54 PM, andy pugh wrote: > >> On 16 May 2017 at 14:27, Gene Heskett wrote: >> Has anyone put a printhead on a std moving table milling machine, and >> used it to do some 3d additive

Re: [Emc-users] new thread inspired by Christophers question about 3d printer sliceing SW.

I wish the BP knee mill Z was good enough to 3D print I'd give it a try... I just need to get on with making the CoreXY printer. JT On 5/27/2017 8:54 PM, andy pugh wrote: On 16 May 2017 at 14:27, Gene Heskett wrote: Has anyone put a printhead on a std moving table

Re: [Emc-users] the saga of gene vs pi's continues

On 05/28/2017 01:00 AM, Gene Heskett wrote: Unforch, with that in the box, I'd have to buy another box to put the 7i90 and 7i42TA's in. And eventually I am out of space behind the lathe. Not to mention the board might be $65, but memory for it, and a psu that might fit in this nice new box, and

Re: [Emc-users] CC-Link emc2

On 05/27/2017 02:46 PM, theman whosoldtheworld wrote: ok ... T-bird is fantastic ... I use it on my work place .. more custumisation is possible and good mail code analisys interface ... any how if you would separate in definitive manner work mail and other or install (or create) multiple