tor has a bad driver and is *very* noisy (and replacements
are out of stock).I placed a bit of blue painter's tape on the belt so
you can see it move.
https://youtu.be/GPXICb9rSoE
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Chris Albertson
Redondo Beach, California
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s D. Brandeis
> > > Genes Web page <http://geneslinuxbox.net:6309/gene>
> > >
> > >
> > > ___
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> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforg
but I don't own a
Windows PC. It runs fine on My Mac and Linux systems using a virtual
machine.
Close_Loop_Stepper_Drive_V2.14.3.zip
<https://www.omc-stepperonline.com/download/Close_Loop_Stepper_Drive_V2.14.3.zip>
--
Chris Albertson
Redondo Beach, California
___
o you can't even look at what the compiler produces.
>
>
>
> > Cheers.
> >
> > Peter Homann - (from my mobile)
> > http://www.homanndesigns.com
> >
> > > On 9 Jun 2020, at 9:16 am, John Dammeyer
> wrote:
> > >
> > > ?
> >
Dammeyer wrote:
>
>
> > -Original Message-
> > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> >
> > f you are going to build an open-source project, you need a
> > software environment that potential contributors can use. Software is
> > usually t
#x27; and of course
> without any measures, spikes etc can happen. A switching
>
> power supply has bit of protection there. I think the driver probably
> has some simple rectifier in it, I would expect much there.
>
>
>
>
> On 6/8/20 2:05 PM, Chris Albertson wrote:
>
UNCHXL-F28379D
>
> It doesn't have Ethernet but can be a USB device. Or for that matter a
> SPI bus device.
>
> I'll post progress reports under a different subject line once I find more
> than 5 minutes to play with it.
>
> John Dammeyer
>
>
>
>
> __
is the best type of transformer? Is there a good supplier?
What about back EMF? Not knowing how the driver works I wonder what
happens when the motor is breaking. Can there be an overvoltage problem?
--
Chris Albertson
Redondo Beach, California
w.youtube.com/watch?v=Y1_VYIPNtuk&t=629s
>
> André
>
>
> Am Mo., 8. Juni 2020 um 17:54 Uhr schrieb Jon Elson <
> el...@pico-systems.com
> >:
>
> > On 06/07/2020 10:59 PM, Chris Albertson wrote:
> > > *One question:Does a pendant need a "act
the machine. I think pressing
both small knobs at the same time will stop and re-set everything. It will
set the e-stop hal pin and reset the pendant to default. (Yes e-stop could
fail if there is a bug in the software)
[image: Simple Pendant v2.jpg]
Chris Albertson
Redondo Beach, Califo
in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
> _____
why Gene is printing these mistakes instead of
> previewing the print in Cura and fixing the obvious problems before
> printing.
>
The problem with preview is you have to know what looks wrong which mans
you have seen 100+ not-wrong ones.
Next time a problem has to be debugged remotely, I
On Linux $home/Downloads/ by default. Or try "file-> Save" and look to
see where it wants to put files
On Sat, Jun 6, 2020 at 3:47 PM Gene Heskett wrote:
> On Saturday 06 June 2020 16:20:56 Chris Albertson wrote:
>
> > Using the *.3mf file a downloaded from Gen&
part.
With the setting that I happen to like, I can have this printed is one
hour, 24 minutes using 10g of plastic.
Try slicing and printing this
https://1drv.ms/u/s!AmGgidd2xYBChA8AOY4frSbCTbo0?e=dvu43y
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w it holds up.
On Sat, Jun 6, 2020 at 11:14 AM Gene Heskett wrote:
> On Saturday 06 June 2020 14:01:52 Chris Albertson wrote:
>
> > DO I read this as using 0.3mm line width? If the nozzle has a 0.4mm
> > hole you must set the line width to 0.4.
>
> I don't recall sett
ks, it is because the extruder rate exactly
matches the print speed and is able to maintain a 0.4mm circle of super
heated liquid plastic.
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uot;
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
> ___
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llot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
net:6309/gene>
>
>
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las Karlsson
> >
> >
> > ___
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
>
> ___
> E
loose 4
> times in a row in the 3rd layer of the raft laydown. Overture PLA says
> 190-210 nozzle, 0-60C bed. cura says initial speed is 12.5, looks slow.
>
> Better guesses?
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
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lot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
&g
[-0.469751,1.032548],[-0.320719,1.108119],[-0.162625,1.153462],[0,1.168577],[0.162625,1.153462],[0.320719,1.108119],[0.469751,1.032548],[0.60519,0.926747],[0.713587,0.765004],[0.800056,0.591388],[0.863705,0.408181],[0.90364,0.217664],[0.932921,0.130969],[0.988924,0.062001],[1.065168,0.016448],[1.155171,0],[1.155171,-0.5]]);
> }
>
> module GT2_5mm()
> {
> linear_extrude(height=pulley_t_ht+2)
> polygon([[-1.975908,-0.75],[-1.975908,0],[-1.797959,0.03212],[-1.646634,0.121224],[-1.534534,0.256431],[-1.474258,0.426861],[-1.446911,0.570808],[-1.411774,0.712722],[-1.368964,0.852287],[-1.318597,0.989189],[-1.260788,1.123115],[-1.195654,1.25375],[-1.12331,1.380781],[-1.043869,1.503892],[-0.935264,1.612278],[-0.817959,1.706414],[-0.693181,1.786237],[-0.562151,1.851687],[-0.426095,1.9027],[-0.286235,1.939214],[-0.143795,1.961168],[0,1.9685],[0.143796,1.961168],[0.286235,1.939214],[0.426095,1.9027],[0.562151,1.851687],[0.693181,1.786237],[0.817959,1.706414],[0.935263,1.612278],[1.043869,1.503892],[1.123207,1.380781],[1.195509,1.25375],[1.26065,1.123115],[1.318507,0.989189],[1.368956,0.852287],[1.411872,0.712722],[1.447132,0.570808],[1.474611,0.426861],[1.534583,0.256431],[1.646678,0.121223],[1.798064,0.03212],[1.975908,0],[1.975908,-0.75]]);
> }
>
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work for months.
But SPD/SI sells the belt I need for $10.
On Fri, Jun 5, 2020 at 12:14 PM andy pugh wrote:
> On Fri, 5 Jun 2020 at 20:08, Chris Albertson
> wrote:
>
> > The broken
>
> > plastic band under the pulley is the sacrificial support that Cura places
oftware create any hub or custom feaures you like.
Sticking with OpenSCAN you would use the parametric pulley to make a basic
pulley then modify it using openSCAN commands before saving to STL. But
OpenSCAD is not well suited for general design work and has a big learning
curve. Better to mo
e development
> boards available but otherwise a Modbus Remote IO Module might be a good
> choice.
>
>
> Emergency stop, any plan for this?
>
>
> > I have actually been wondering about the same/similar thing, on how to
> > feed information into hall.
> >
> > On
HALFILE = LIB:xhc-hb04.tcl
>
> And then your INI file also has
> [XHC_HB04_CONFIG]
>
> John
>
>
>
> D:\Projects\LinuxCNC\linuxcnc-master\lib\hallib
>
>
>
>
> _______
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> Emc-users@lists.sour
, 4 Jun 2020 at 21:35, Chris Albertson
> wrote:
>
> I think the best physical interface from a handheld device to the computer
> > is USB.Is there a way to get data from USB to HAL?
>
> https://emergent.unpythonic.net/01198594294
>
Chris Albertso
messed up teeth are the belt teeth then I'm at a loss without a
photo.
> And no,
> its not loose on the hot plate. :
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he flanges.
>
> https://a360.co/2U7MfCg
>
I gues you must have seem my tak on this idea too. Use a metl core with a
band of teeth and one flange over it. over it
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DIY full robotic workflow with LinuxCNC controller might be done
for under $1K (and 4,000 hours of free engineering time.)
On Thu, Jun 4, 2020 at 3:18 PM Bruce Layne
wrote:
> On 6/4/20 4:50 PM, Chris Albertson wrote:
> > One more question. How do you post-process the printed parts?
le in openscad? f so it is easy to make an
unprintable model. It is a topological thing where what you actually made
is the inside of a pulley. I guessing blind here.
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hen
back to Fusion to change an angle or whatever. This is why engineers
like really fast workstatins as design is iterative.
I'll look at a file if you can e-mail it.
On Thu, Jun 4, 2020 at 1:36 PM Gene Heskett wrote:
> On Thursday 04 June 2020 13:09:10 Chris Albertson wrote:
>
> &
ne :-) Cruzer Fit thumb drive (Amazon
> ASIN: B07MDXBTL1) that's almost flush with the side of the printer so it
> won't snag and banjax the printer's USB port.
>
>
>
>
> On 6/4/20 2:25 PM, Chris Albertson wrote:
> > I looked. They have their own slicing
s "arbitrary Linux application" could be the
Apache webserver. Then you run a browser on the tablet.
Summary: How to move data from USB or serial or socket to HAL?
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gt; i would like to read up on this
>
>
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f we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
> ___
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> https://li
On Wed, Jun 3, 2020 at 7:33 PM Gene Heskett wrote:
> On Wednesday 03 June 2020 19:17:14 Chris Albertson wrote:
>
> > You are going to have to post a photo. First off, I hope you are
> > printing these pulleys flat, With rotational axis vertical. I hate
> > to ask but
omething like this
https://www.eng.yale.edu/grablab/openhand/model_q.html#about
<https://www.eng.yale.edu/grablab/openhand/model_q.html#about>
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m. But
the parts it makes are just like injection moldings and can be rigid of
even soft plastic. Utilmaker has some good options too if you have the
cash.But the starter printer is a"Prussia" clone, like My Anet A6 or
now the Ender.
On Wed, Jun 3, 2020 at 11:21 AM Bari wrote
is a bicycle with a pandemonium attachment and is designed
> for the especial use of mechanical geniuses, daredevils and lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1912
>
> ___
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l and fit in your hand. The entre printer,
extruder, controller and all is under $200. (they have a sale going now.)
Seems a waste to spend weeks modifying a mill and milling software t
make a machine that is not nearly as god as one you can buy for $189
--
Chris Albertson
Redondo Beach, C
plastic learning. I look at my old parts
and some are not very good.
On Tue, Jun 2, 2020 at 2:57 PM Gene Heskett wrote:
> On Tuesday 02 June 2020 16:37:08 Chris Albertson wrote:
>
> > I just printed a set of 3mm pitch GT3 timing pulleys with my 0.4 mm
> > nozzle. They came o
ere between 2-3 times
> the nozzle diameter and no less than 1.5 times the nozzle diameter.
>
> My experience might not be universal, since I’m using an old Stratasys
> with a heated build envelope and print mostly ABS. AND I can’t change out
> the nozzle.
>
> > On Jun 2, 20
use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
> ___
> Emc-us
tt
> wrote:
> > > On Tuesday 02 June 2020 05:57:59 Chris Albertson wrote:
> > > > Docs? The entire printer is open source.
> > >
> > > No it is NOT! The Cura slicer is windows only. And there will be a
> > > language barrier that prevents a reques
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your
> > eyes or hands.
>
> Used mechanical CAD system very little.
>
>
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, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
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C
//store.mesanet.com/index.php?route=product/product&product_id=205&search=SPIN
>
> John
>
>
>
>
>
>
>
>
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f the spindle.
Then I place an encoder on the spindle.
Has anyone made a simple interface that replaces the potentiometer?
I don't want to rplace the spindle moter and use a VFD. I think this
shold be very simple and low-cost.
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Chris Albertson
Redondo Beach,
the belt.
On Sun, May 31, 2020 at 4:32 PM Gene Heskett wrote:
> On Sunday 31 May 2020 18:07:15 Chris Albertson wrote:
>
> > I was about to post the same thing. OpenSCAD s not a general purpose
> > CAD system that you can use for machine design.
> >
> > How to check f
ad
> the dimensions there.
>
> I can’t imagine drawing up a complex machine with OpenSCAD, but apparently
> some people do it.
>
>
> https://medium.com/@urish/designing-3d-printable-mechanisms-in-openscad-5838dcb65b39
>
> Can’t argue with the price.
>
> > On May
helps?
> >
> > Martin
> >
> >
> >
> >
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> Cheers, Gene Hesk
/geneslinuxbox.net:6309/gene>
>
>
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slic3r
> >config to drive an Ender that they can share.
>
> Nope, but a google search found this-any good?
>
> https://www.youtube.com/watch?v=3yIebnVjADM
>
>
>
> I hope some of that helps?
>
> Martin
>
>
>
>
> _
/gene>
>
>
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ldner [mailto:thadw...@gmail.com]
> > Sent: May-30-20 3:30 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] On Motorizing a BS-1 clone
> >
> >
> >
> > > On May 30, 2020, at 4:26 PM, Chris Albertson <
> albertson.ch...@
pulleyUpperFlange.jpg]
>
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ists/listinfo/emc-users
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;
> Libraries for a CAD program? Cool.
>
> Martin
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_
higher temperatures you might want to put a box around the
> printer to keep drafts from messing up a print. One guy uses grow tents
> around his printers.
>
>
>
>
>
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other good
> idea. Anybody have any idea?
>
> Regards Nicklas Karlsson
>
>
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>
ion 360 is awesome and I really like it. I will
> probably always use it for some things that alibre cam can't do. and the
> price is right but once again cloud software is a big no no in my book
>
> regards
>
> Andrew
>
> the
>
> On Sat, May 30, 2020 at 5:31
ett wrote:
> On Friday 29 May 2020 22:00:00 Gene Heskett wrote:
>
> > On Friday 29 May 2020 21:42:40 andy pugh wrote:
> > > On Sat, 30 May 2020 at 02:32, Gene Heskett
> > > wrote:
> > >
> > > Cura isn't available for debian, so name a
enes Web page <http://geneslinuxbox.net:6309/gene>
>
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:
>
> I'll check that as I'm assembling it. Otherwise the fire risk and
> potential odor would seem to be tolerable, at least for a test run for
> effect.
>
> I assume it will accept an .stl file over a cat5 cable?
> ______
sition it exactly where I want it on the print bed. I then slice it and
> save the .gode file.
>
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s of software
> adjustments in cura, but if you select a PLA profile, the defaults will
> be close to getting you a good print youtube is quite helpful if you
> run into issues.
>
> Have fun
>
> cheers
> Lawrence
> Nanoose Bay BC, Canada
>
>
> ___
;
> I used a pair of screws at 180 degrees to keep the pulley from flexing
> sideways too much when it’s clamped.
>
>
>
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wrote:
> On Friday 29 May 2020 12:20:39 Chris Albertson wrote:
>
> > The Ender printers are well thought out and lack most of the dumb
> > problems of older Prusia clone printers. But still, there are cables
> > that attach moving to non-moving parts and after flexing 20
d a box around it.
>
> Does it need a fire extinguisher when doing lights out stuff at 3AM?.
>
> Thanks Andy.
>
> Cheers, Gene Heskett
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re the night was very old.
>
>
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want to cut metal helical gears.
>
>
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at 7 MPH with a 150 pound GVW on dirt road. No, don't answer, testing will
tell.
> > You might find that 15T on the motor shaft does not leave you enough
> > hub to figure out a mounting method.
>
> I hadn't considered that, thanks Andy. And I just measured the thi
ed down to
> where that 3NM motor can run it under cutting forces. And it might do
> the motor mounts, grabbing both ends of the motor.
>
> > > > On Wed, May 27, 2020 at 2:06 PM Gene Heskett
> > > >
> > >
> > > wrote:
> > > > > On Wednesday
.
>
> .stl is what your slicer (CAM for 3d printers) wants.
>
> For a reliable motor-mounted pulley, I ended up doing something similar to
> what Chris Albertson describes. Mine was a plastic pulley with a hub that
> has two pockets for clamp nuts. The OD of this hub fits snugly into
On Wed, May 27, 2020 at 5:38 PM Gene Heskett wrote:
> On Wednesday 27 May 2020 20:10:44 Chris Albertson wrote:
>
> > By total coincidence, I just made both. I needed 30T, 40T, and 60T
> > pulleys. I tried printing them and they fail after a while. The
> > plastic simp
but it comes out more simple each iteration
On Wed, May 27, 2020 at 2:06 PM Gene Heskett wrote:
> On Wednesday 27 May 2020 00:51:57 Gene Heskett wrote:
>
> > On Tuesday 26 May 2020 19:45:10 Chris Albertson wrote:
> > > On Tue, May 26, 2020 at 3:01 PM Gene Heskett
>
> Have any idea how much spring there is in the iron?
> >
> That will take far more math than I am capable of doing.
>
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this for $28 too. They typically have bigger
versions of STM32 on them but for controlling two servo motors with a PID
loop the cheaper part is enough.
>
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Emc-use
or related controllers as I'd bet
the firmware was written to run on many different sizes of controllers, not
just the one you have. Many of these are Leadshine clones so look at
Leadshine web site.
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Chris Albertson
Redondo Beach, California
__
whole
> machine when it moves. That should at least give me an error stop if the
> motor doesn't follow orders.
>
> Stay well everybody.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
27;t know a lot about the linux-cnc's
> > internals, and HAL, but it is something I am playing with to see if it
> > could work.
> >
> >
> > Ron
> >
> >
> >
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>
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Here is a video of someone cutting a helical gear using LinuxCNC on a
4-axis mill with all of the axis set square. He used hand-coded g-code.
It is also possible but much slower to use a ball-end mill on a normal
4-axis milling machine.
https://youtu.be/eh6UgCSoZec?t=68
--
Chris Albertson
used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbo
ion of a Harbor Freight Mini
Mill. I've got a design that is pretty much just a screwdriver
assembly, zero machine work.But all wait until I can post a video
of at least the 3 axis jogging. Plastic is more than strong and
rigid enough to fill the space between a motor and the mil
ins
he
> uses etc.
>
> I'm quite keen to build one of these. Like you for robotics or just
> anything. And of course my 4th axis on the VMC
>
> Regards
>
> Andrew
>
> On Sun, May 17, 2020, 4:39 PM Chris Albertson
> wrote:
>
> > Paul Gould is doing
Paul Gould is doing good work with these reduction drives. This video
shows how a triple reduction system works and just how simple it is.
Note that all the points of contact with the plastic lobes are ball bearing
units.This unit is about as complex as they get and it is still easy to
see h
wrote:
>
> The concern I have is that the cycloidal lobes will be unHardened and will
> wear out faster.
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stage that way but the tooth shapes seem like
> they are not exactly fixed arcs but just fractions of full arcs. That
> would be more complex to make, but probably still quicker than 2 stages
> with full arcs as the wiki page shows.
>
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make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
>
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Contact
> > L.S.Caine Electronic Services - https://lsces.uk
> > Model Engineers Digital Workshop - https://medw.uk
> > Rainbow Digital Media - https://rainbowdigitalmedia.uk
> >
> >
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>
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> >
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&g
il and
toggle pin 14. If one end of the coil is at ground, look at the other
end.
On Thu, May 14, 2020 at 8:49 PM Chris Albertson
wrote:
>
> My first guess is that the BoB can't source or sink enough current to
> energize the relay coil. But we have to know what exact relay, po
ed pin and
> trigger the external relay. I have 5v+, 5v-, and pin 4 wired to the relay
> input side. What have I done wrong here?
>
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there is nothing you can do about tool orientation. Drills and
fly cutters can not be fixed but the system could report the angle you
would whack it with a mallet then re-test.
On Mon, May 11, 2020 at 11:52 AM Gene Heskett wrote:
>
> On Monday 11 May 2020 14:22:26 Chris Albertson wro
cosine
of the tilt. It is going to be tiny.
On Mon, May 11, 2020 at 11:03 AM andy pugh wrote:
>
> On Mon, 11 May 2020 at 18:38, Chris Albertson
> wrote:
> >
> > Perhaps kinematics is the place to do the
> > bed compensation.
>
> We tried that with "probe
a new machine.
>From my reading, I think the Gates GT3 profile, with 3mm pitch is the
current best belt type. Yes I know many mills work fine with HTD or
XL or even v-belts.
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