Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Sunday 07 June 2020 00:31:42 Thomas J Powderly wrote:

> Gene
>
> the colors:
> There is no chart, but there are a few different colors:
> - Green = outer wall lines
> - Red = inner wall lines
> - Cyan = support/skirt
> - Dark blue = moves (thin lines)
> - 3 other colors = infill (cycles between the 3 colors)
> from     ian     Dormant  ultimaker forum
>
> plus
>
> about: you can chanhe them
>
> https://github.com/Ultimaker/Cura/issues/6040
>
> hth ( at least quicker than a print )
>
> tomp

Nothing there at that link, but this list above is somewhat helpfull.  
What would be far more helpfull would take lots more coding though, 
because a really helpfull way would be to drop a meat cleaver thru it, 
cutting off the front half & throwing it away and leaving a 
cross-sectional display so one could really see the innards.

But that would no doubt be a lot of work for the coders.
>
>
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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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 23:46:32 Chris Albertson wrote:

> On Sat, Jun 6, 2020 at 8:15 PM Bruce Layne
> 
>
> wrote:
> > On 6/6/20 3:19 PM, Gene Heskett wrote:
> > > lets
> > > concentrate on why the teeth are being rendered by the infill, no
> > > surface walls for smoothness at all.  Inside or out, its all
> > > infill.
> >
> > I think Gene correct, at least in this statement.  I don't think his
> > 3D printer is under extruding and I don't think there are gross
> > dimensional errors.  I think the weird rough finish in his image is
> > gyroid infill with no outer layers.
>
> I downloaded Gene's .3mf file and then could see exactly what was
> going on. The problem was simple:  "line width" was set to 0.3 which
> did not match the nozzle installed on the printer this caused gross
> under extrusion and other problems.
>
> With Cure if you do "fie-> it creates a *.3mf files that preserve all
> the setting and the STL file.  It contains a total snapshot of the
> project. So I was able to see Gene's problem first hand.
>
> I always make a 3MF file after I make a print I like so I don't need
> to remeber the setting used
>
> > Does Cura have a way to restore a default setup?  If not, can
> > someone send Gene a Cura profile that works?  Something like 2 or 3
> > outer layers, .2mm layer height and 20% infill.
>
> I just did this and he is printing it now.   I changed hi 3MF file and
> sent it back
>
> Yes you can restore defaults.   When you select a "profile" (which is
> a set of settings) Cura tells you how many defaults were changed,
> marks each one and offers to "discard" them.   I discarded all 39 
> changes than did close to what you said, 3 walls and 0.2 layers.
>
> I learned something here.I am working on a 3D printable CNC
> conversion of an HF mini mill and I plan to publish instructions.  I
> had intended to publish the Fusion360 files and the STL files but now
> I think I will publish 3MF files and tell people "Use Cura."  as that
> will capture print orientation and settings.  More people will have
> success.
>
> > I still don't know 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 think the trick is
> to get all the person files and duplicate the problem locally.   It
> just so hard to guess.

And my 2nd pass at printing what Chris sent me is, I would say, 
successfull, as i raised the bed to just ticking the nozzle, so that the 
first layer put down was perhaps only .05mm high.  Adhesion was 
excellent and I had to tap it sideways smartly with the handle of the 
putty knife suppied to get it to pop loose. The retainer flange looks 
ok, the belt fit nicely and I'll check my scrap box for a hiding hub 
half of the sprocket tomorrow.

Now we go back to motorizing that clone BS-1. . .  That is going to be a 
different critter entirely.  The question there may need .2mm nozzles to 
generate the gears as the 2nd relay is quite short and probably best 
done with gears, belts need more room.

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 


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Re: [Emc-users] Design for the materials and process

[Thomas J Powderly]

Gene

the colors:
There is no chart, but there are a few different colors:
- Green = outer wall lines
- Red = inner wall lines
- Cyan = support/skirt
- Dark blue = moves (thin lines)
- 3 other colors = infill (cycles between the 3 colors)
from     ian     Dormant  ultimaker forum

plus

about: you can chanhe them

https://github.com/Ultimaker/Cura/issues/6040

hth ( at least quicker than a print )

tomp



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Re: [Emc-users] Design for the materials and process

[Gregg Eshelman via Emc-users]

You can never go thicker layer or narrower line width than the diameter of the 
nozzle. Somewhere over 100% to 150% width is where you want the width. Under 
50% of the thickness makes it harder to extrude. 
https://www.reddit.com/r/3Dprinting/comments/5zxj1z/should_line_width_always_nozzle_size/

On Saturday, June 6, 2020, 12:14:12 PM MDT, 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 setting that, it was an autoselected choice that I think 
came with the super quality setting.  If I make it bigger, how much 
bigger?  
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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 23:12:48 Bruce Layne wrote:

> On 6/6/20 3:19 PM, Gene Heskett wrote:
> > lets
> > concentrate on why the teeth are being rendered by the infill, no
> > surface walls for smoothness at all.  Inside or out, its all infill.
>
> I think Gene correct, at least in this statement.  I don't think his
> 3D printer is under extruding and I don't think there are gross
> dimensional errors.  I think the weird rough finish in his image is
> gyroid infill with no outer layers.
>
> Does Cura have a way to restore a default setup?  If not, can someone
> send Gene a Cura profile that works?  Something like 2 or 3 outer
> layers, .2mm layer height and 20% infill.
>
> I still don't know why Gene is printing these mistakes instead of
> previewing the print in Cura and fixing the obvious problems before
> printing.
>
Because that preview is worthless without a definition of what each color 
means. 
>
>
>
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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 


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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

On Sat, Jun 6, 2020 at 8:15 PM Bruce Layne 
wrote:

>
>
> On 6/6/20 3:19 PM, Gene Heskett wrote:
> > lets
> > concentrate on why the teeth are being rendered by the infill, no
> > surface walls for smoothness at all.  Inside or out, its all infill.
>
> I think Gene correct, at least in this statement.  I don't think his 3D
> printer is under extruding and I don't think there are gross dimensional
> errors.  I think the weird rough finish in his image is gyroid infill
> with no outer layers.
>

I downloaded Gene's .3mf file and then could see exactly what was going on.
  The problem was simple:  "line width" was set to 0.3 which did not match
the nozzle installed on the printer this caused gross under extrusion and
other problems.

With Cure if you do "fie-> it creates a *.3mf files that preserve all the
setting and the STL file.  It contains a total snapshot of the project.
 So I was able to see Gene's problem first hand.

I always make a 3MF file after I make a print I like so I don't need to
remeber the setting used



>
> Does Cura have a way to restore a default setup?  If not, can someone
> send Gene a Cura profile that works?  Something like 2 or 3 outer
> layers, .2mm layer height and 20% infill.
>

I just did this and he is printing it now.   I changed hi 3MF file and sent
it back

Yes you can restore defaults.   When you select a "profile" (which is a set
of settings) Cura tells you how many defaults were changed, marks each one
and offers to "discard" them.   I discarded all 39  changes than did close
to what you said, 3 walls and 0.2 layers.

I learned something here.I am working on a 3D printable CNC conversion
of an HF mini mill and I plan to publish instructions.  I had intended to
publish the Fusion360 files and the STL files but now I think I will
publish 3MF files and tell people "Use Cura."  as that will capture print
orientation and settings.  More people will have success.

>
> I still don't know 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 think the trick is to
get all the person files and duplicate the problem locally.   It just so
hard to guess.



>
>

-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Bruce Layne]

On 6/6/20 3:19 PM, Gene Heskett wrote:
> lets 
> concentrate on why the teeth are being rendered by the infill, no 
> surface walls for smoothness at all.  Inside or out, its all infill.

I think Gene correct, at least in this statement.  I don't think his 3D
printer is under extruding and I don't think there are gross dimensional
errors.  I think the weird rough finish in his image is gyroid infill
with no outer layers.

Does Cura have a way to restore a default setup?  If not, can someone
send Gene a Cura profile that works?  Something like 2 or 3 outer
layers, .2mm layer height and 20% infill.

I still don't know why Gene is printing these mistakes instead of
previewing the print in Cura and fixing the obvious problems before
printing.




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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 21:41:28 Gene Heskett wrote:

> On Saturday 06 June 2020 16:20:56 Chris Albertson wrote:
> > Using the *.3mf file a downloaded from Gen's computer, I was able to
> > slice the model and create g-code for an Ender printer on my Mac.
> > I get the same results Gene complains about.  Cura is predicting a 7
> > hour, 26 minute print time for a 15 gram part.   That is a very long
> > time for a small 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
>
> humm, did, but the slice says 7:40 elapsed time, 32g of plastic at
> 10.62 meters used. Why the diff? Shut down cura, re-run, and load as
> project. gets the times etc you quote, major diff is skirt, not raft.
>
> Will give it a run when this one is done. Might raise build plate half
> a turn each knob, first layer looks like round stuff, no smear against
> the plate at all but but it did stick except for the first 3/4" run of
> plastic laid. Thanks. Thats the pissy switch on z for auto-home. It
> and the y switch need better, far more consistent versions.  Or maybe
> more exercise. IDK other than its randomness is too large.  I may,
> before I start another run, bring in a .0001 dial and do some playing
> just for S & G.
>
> Surprise, its no worse than about 3 thou. Lowered the switch another
> 40 thou to put some more tension of the leveling springs, then found a
> page from a grizzly flyer than came today was obviously thinner than
> my 22lb letter paper. Reset nozzle clearance to just touch on that
> thinner paper, and now have the card plugged in here where I have to
> sudo to copy anything to it.  Then the FIXED is off screen so I had to
> bring card back in and nuke the unfixed file.  Then it took 4 starts
> to get close enough for adhesion, again I can see a faint polished
> line on the table from the nozzle when its close enough to stick well.
>
> Then I think I can see a slight hint of over-extrusion, its outputting
> a tiny drop at the start of a new line it traveled to get to. The
> problem with that is that it doesn't know it's there and knocks that
> line of plastic loose by hitting it on the next pass. I've turned up
> the extruder drive about 3% in the machines own settings, so I'll turn
> that back down .25% or so for every time I have to restart because it
> knocked it loose.  Or do I need to increase the retract distance?  IDK
> which is the better fix?
>
> Your version s/b done in another hour. I see the flange on mine is
> warped upwards to a nearly vertical line, potentially hard on the belt
> edge, despite my leaving a mm of flange diameter hub as reinforcement
> below the flange, so that idea didn't fly well. 1mm is too thin? 
> Looks like you removed it, I see no sign of it in the build.
>
> Thanks Chris, with a lot of help, its coming around.

Final inspection, the flange tipped inward for about 3/4" at one edge, 
I'd assume because it lost adhesion, so without touching anything, I'll 
repeat the run to see if it repeats. Maybe raise the bed one notch all 
around. And reduce the extruder speed by .5% to 93.5, was 94 from my 
previous diddling.
>
> Cheers, Gene Heskett


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 


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Re: [Emc-users] MesaNet cards free to good home

[andrew beck]

I would love them of course but others probably do too..

Where are you located?

I'm in New Zealand

On Sun, Jun 7, 2020, 1:33 PM Thomas Fritz  wrote:

> I'm not much in the CNC game anymore, and I have no plans for another
> build.  I have some Mesa cards that are available to whomever wants them:
>
> Unused: 6i25, 7i76, 7i74, 7i78, 7i77, 7i80db-16
>
> Used: 6i25 and a 7i76 - works, but damaged due to bad jumper settings,
> so daughter card needs external 5V and field IO power
>
>
>
>
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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 16:20:56 Chris Albertson wrote:

> Using the *.3mf file a downloaded from Gen's computer, I was able to
> slice the model and create g-code for an Ender printer on my Mac.
> I get the same results Gene complains about.  Cura is predicting a 7
> hour, 26 minute print time for a 15 gram part.   That is a very long
> time for a small 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

humm, did, but the slice says 7:40 elapsed time, 32g of plastic at 10.62 
meters used. Why the diff? Shut down cura, re-run, and load as project. 
gets the times etc you quote, major diff is skirt, not raft.

Will give it a run when this one is done. Might raise build plate half a 
turn each knob, first layer looks like round stuff, no smear against the 
plate at all but but it did stick except for the first 3/4" run of 
plastic laid. Thanks. Thats the pissy switch on z for auto-home. It and 
the y switch need better, far more consistent versions.  Or maybe more 
exercise. IDK other than its randomness is too large.  I may, before I 
start another run, bring in a .0001 dial and do some playing just for S 
& G. 

Surprise, its no worse than about 3 thou. Lowered the switch another 40 
thou to put some more tension of the leveling springs, then found a page 
from a grizzly flyer than came today was obviously thinner than my 22lb 
letter paper. Reset nozzle clearance to just touch on that thinner 
paper, and now have the card plugged in here where I have to sudo to 
copy anything to it.  Then the FIXED is off screen so I had to bring 
card back in and nuke the unfixed file.  Then it took 4 starts to get 
close enough for adhesion, again I can see a faint polished line on the 
table from the nozzle when its close enough to stick well. 

Then I think I can see a slight hint of over-extrusion, its outputting a 
tiny drop at the start of a new line it traveled to get to. The problem 
with that is that it doesn't know it's there and knocks that line of 
plastic loose by hitting it on the next pass. I've turned up the 
extruder drive about 3% in the machines own settings, so I'll turn that 
back down .25% or so for every time I have to restart because it knocked 
it loose.  Or do I need to increase the retract distance?  IDK which is 
the better fix?

Your version s/b done in another hour. I see the flange on mine is warped 
upwards to a nearly vertical line, potentially hard on the belt edge, 
despite my leaving a mm of flange diameter hub as reinforcement below 
the flange, so that idea didn't fly well. 1mm is too thin?  Looks like 
you removed it, I see no sign of it in the build.

Thanks Chris, with a lot of help, its coming around.

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 


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[Emc-users] MesaNet cards free to good home

[Thomas Fritz]

I'm not much in the CNC game anymore, and I have no plans for another 
build.  I have some Mesa cards that are available to whomever wants them:


Unused: 6i25, 7i76, 7i74, 7i78, 7i77, 7i80db-16

Used: 6i25 and a 7i76 - works, but damaged due to bad jumper settings, 
so daughter card needs external 5V and field IO power





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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

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's computer, I was able to
> > slice the model and create g-code for an Ender printer on my Mac.
> > I get the same results Gene complains about.  Cura is predicting a 7
> > hour, 26 minute print time for a 15 gram part.   That is a very long
> > time for a small 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
>
> I might, if I can figure out where chromium put it.
>
> Thanks Chris.
>
> 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 
>
>
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-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 16:20:56 Chris Albertson wrote:

> Using the *.3mf file a downloaded from Gen's computer, I was able to
> slice the model and create g-code for an Ender printer on my Mac.
> I get the same results Gene complains about.  Cura is predicting a 7
> hour, 26 minute print time for a 15 gram part.   That is a very long
> time for a small 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

I might, if I can figure out where chromium put it.

Thanks Chris.

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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 15:35:51 Thaddeus Waldner wrote:

> If I’m lucky and smart, I might get to be an old-timer myself someday.
> Much respect, sir.

I hope I've earned it, somehow I've managed to survive all my bad 
decisions because I've been the fixit man for 70+ years.  You get an 
education and experience from those.

The ultimate revenge is having out lived all your enemies, many by 
decades. OTOH, my spare parts cards in my billfold are beginning to 
resemble Lee Majors, the 6 million dollar man from whats now late night 
tv.

Diabetes is catching up with me. That is something they could fix, but 
won't, its a 6+ trillion dollar a year business to the medics. Their 
$ocial $ecurity. :-(  Same story with the common cold. Its a "corona 
virus" too, so now we are paying, some of us, the ultimate price.

Take care, stay healthy and all that Thaddeus.  Someday the world might 
need a hero, so be ready. :-)

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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 15:16:21 Chris Albertson wrote:

> Looking at that *.3mf file I can see the cause of the problem,   
> There are 39 non-default settings but the big problem is near the top.
>   See the screenshot below.
>
> The "line width" is set to 0.3 and there is a 0.4 nozzle on the
> printer. This is a perfect way to simulate the effect of a clogged-up
> nozzle.
>
> Also this part does NOT need a "super quality" layer hight.  All the
> lines are vertical so a small z-axis step does nothing.  Try setting
> this to about 0.2 and get a faster print.
>
> This has to be the problem.   I thought about actually printing this
> to see if I can duplicate the failed print.  But I think the cause is
> obvious now
>
> [image: Genes3mf.jpeg]
>
> On Sat, Jun 6, 2020 at 11:53 AM Thaddeus Waldner  
wrote:
> > Correction:
> > "lathe-stf/“
> > Full address:
> > http://geneslinuxbox.net:6309/gene/lathe-stf/
> >
> > > The server is being a cast iron bitch, instant reject notices even
> > > when its smaller than the 360k stated limit.  So its in the usual
> > > place, click on the link in my sig, and when you see our now old
> > > pix, add "lathe.stf/" to the address bar, and its the only CE3PRO
> > > file there.

So I resliced it at the suggested changes, and while it still laying down 
the raft, its a considerably more substantial raft than before.  Will be 
interesting as it claims about 3 something hours, faster than it took to 
do the 8 hour job you've looked at.

It seems to me off to a decent if not flying start, I fed the missus too, 
so I think I'll check my eyelids for leaks while its creeping along.

2 hours later its at 40% and looking much more solid and usable.  Thanks 
for the help everybody.

I found some 2.25" alu to make its hub from.  It will be a race to see 
which gets here first, a real sprocket or rest of the makings for this.

Then it will be back to motorizing the BS-1 clone.

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 


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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

Using the *.3mf file a downloaded from Gen's computer, I was able to slice
the model and create g-code for an Ender printer on my Mac. I get the
same results Gene complains about.  Cura is predicting a 7 hour, 26 minute
print time for a 15 gram part.   That is a very long time for a small 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


-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Thaddeus Waldner]

If I’m lucky and smart, I might get to be an old-timer myself someday. 
Much respect, sir.


> On Jun 6, 2020, at 2:29 PM, Gene Heskett  wrote:
> 
> On Saturday 06 June 2020 14:51:22 Thaddeus Waldner wrote:
> 
>> Correction:
>> "lathe-stf/“
>> Full address:
>> http://geneslinuxbox.net:6309/gene/lathe-stf/
>> 
>>> The server is being a cast iron bitch, instant reject notices even
>>> when its smaller than the 360k stated limit.  So its in the usual
>>> place, click on the link in my sig, and when you see our now old
>>> pix, add "lathe.stf/" to the address bar, and its the only CE3PRO
>>> file there.
> 
> yup, can I blame it on oldtimers?
> 
>> ___
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>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
> 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 
> 
> 
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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 14:51:22 Thaddeus Waldner wrote:

> Correction:
> "lathe-stf/“
> Full address:
> http://geneslinuxbox.net:6309/gene/lathe-stf/
>
> > The server is being a cast iron bitch, instant reject notices even
> > when its smaller than the 360k stated limit.  So its in the usual
> > place, click on the link in my sig, and when you see our now old
> > pix, add "lathe.stf/" to the address bar, and its the only CE3PRO
> > file there.

yup, can I blame it on oldtimers?

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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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 14:38:34 Andrew wrote:

> сб, 6 черв. 2020 о 21:00 Gene Heskett  пише:
> > > Go to Preferences -> Printers -> choose your printer -> Machine
> > > Settings -> Extruder tab -> Compatible material diameter. Should
> > > be 1.75mm
> >
> > It is.
>
> OK. I don't think that any other setting might be that wrong.
> That looks like clogging then.
>
> What happens when you lift the nozzle and extrude say 50mm of filament
> at 5-10mm/s?
> The extrusion should go right down and look pretty straight.
>
it generally does.
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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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 14:38:34 Andrew wrote:

> сб, 6 черв. 2020 о 21:00 Gene Heskett  пише:
> > > Go to Preferences -> Printers -> choose your printer -> Machine
> > > Settings -> Extruder tab -> Compatible material diameter. Should
> > > be 1.75mm
> >
> > It is.
>
> OK. I don't think that any other setting might be that wrong.
> That looks like clogging then.
>
> What happens when you lift the nozzle and extrude say 50mm of filament
> at 5-10mm/s?
> The extrusion should go right down and look pretty straight.

I've not found that menu on the printer.  I assume it s/b on the move 
menu, and that it should be preheated for pla? So I've raised z to 
100mm, and its preheating now.

And it comes out about 97% straight, so I don't think its clogged.
I've raised the line width to match the nozzle and will redo the slice 
when you folks run out of ideas to check.

But before I waste another day doing another render that jut as bad, lets 
concentrate on why the teeth are being rendered by the infill, no 
surface walls for smoothness at all.  Inside or out, its all infill.

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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 


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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

Looking at that *.3mf file I can see the cause of the problem,There are
39 non-default settings but the big problem is near the top.   See the
screenshot below.

The "line width" is set to 0.3 and there is a 0.4 nozzle on the printer.
This is a perfect way to simulate the effect of a clogged-up nozzle.

Also this part does NOT need a "super quality" layer hight.  All the lines
are vertical so a small z-axis step does nothing.  Try setting this to
about 0.2 and get a faster print.

This has to be the problem.   I thought about actually printing this to see
if I can duplicate the failed print.  But I think the cause is obvious now

[image: Genes3mf.jpeg]

On Sat, Jun 6, 2020 at 11:53 AM Thaddeus Waldner  wrote:

> Correction:
> "lathe-stf/“
> Full address:
> http://geneslinuxbox.net:6309/gene/lathe-stf/
>
> > The server is being a cast iron bitch, instant reject notices even when
> > its smaller than the 360k stated limit.  So its in the usual place,
> > click on the link in my sig, and when you see our now old pix,
> > add "lathe.stf/" to the address bar, and its the only CE3PRO file there.
>
>
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>


-- 

Chris Albertson
Redondo Beach, California
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Re: [Emc-users] Design for the materials and process

[Thaddeus Waldner]

Correction: 
"lathe-stf/“
Full address:
http://geneslinuxbox.net:6309/gene/lathe-stf/

> The server is being a cast iron bitch, instant reject notices even when 
> its smaller than the 360k stated limit.  So its in the usual place, 
> click on the link in my sig, and when you see our now old pix, 
> add "lathe.stf/" to the address bar, and its the only CE3PRO file there.


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 14:18:19 Chris Albertson wrote:

> On Sat, Jun 6, 2020 at 11:00 AM Gene Heskett  
wrote:
> > On Saturday 06 June 2020 13:51:39 Andrew wrote:
> > > сб, 6 черв. 2020 о 19:56 Gene Heskett  пише:
> > > > Here ya go Andrew. A bit fuzzier on the far side, compresses
> > > > better Had a hell of a time, camera decided its autofocus didn't
> > > > work after fresh batteries.
> > >
> > > Wow. Severe under extrusion!
>
> We need to wait for Gene to post a file to see what is really
> happening but of "line width" is set to 0.3 and a 0.4 nozzel is
> installed we would expect to see only 75% of the required plastic
> being extruded.  Yes "severe under extrusion"

The server is being a cast iron bitch, instant reject notices even when 
its smaller than the 360k stated limit.  So its in the usual place, 
click on the link in my sig, and when you see our now old pix, 
add "lathe.stf/" to the address bar, and its the only CE3PRO file there.

> This would explain the bed adhesion problem too, it needs to pump out
> 1/3rd more plastic.
>
> Gene, the plastic sicks to what ever is below it because there is a
> 0.4mm of hot and PRESSURIZED plastic under the nozzle.  The hot circle
> of pressurized plastic melts whatever is below it in the case if layer
> #1 pushes the plastic into micro structure of the aluminum.  But
> with only 75% of the feed rate there is no pressure in the 0.4 circle
> under the extruder is not even filled
>
> That is why 3D printing even works, 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.


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 


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Re: [Emc-users] Design for the materials and process

[Andrew]

сб, 6 черв. 2020 о 21:00 Gene Heskett  пише:

>
> > Go to Preferences -> Printers -> choose your printer -> Machine
> > Settings -> Extruder tab -> Compatible material diameter. Should be
> > 1.75mm
> >
> It is.
>

OK. I don't think that any other setting might be that wrong.
That looks like clogging then.

What happens when you lift the nozzle and extrude say 50mm of filament at
5-10mm/s?
The extrusion should go right down and look pretty straight.

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Re: [Emc-users] Design for the materials and process

[Martin Dobbins]

>I don't recall setting that, it was an autoselected choice that I think
>came with the super quality setting.  If I make it bigger, how much
>bigger?

I'm getting the impression that Cura is a project :-) I know you don't want to 
spend your time looking at videos, this guy has 20+ short videos on the "ins 
and outs" of Cura, I wonder if this one helps?

https://www.youtube.com/watch?v=HVeLDoWuVi0

Martin




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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

This is why posting a screen shot or 3MF is needed. The 0.3 could be
anything.  When I make something I keep the .STL, the .gcode and
the .3mf files together in one place "forever" so that if I want to re-make
the part I just load the 3mf file and all the settings are restored.

I am thinking of a system where I write a serial number on the part so I
can find its 3MF file later.My point is that the 3mf keeps your work
and remembers what you did for you.  Now to find a white ink Sharpie.

On the positive side, I just discovered that I can get a near-perfect
surface finish on PLA using a lathe.  I used a brazed-on carbide boring bar
to clean the inside of a PLA pulley.  I took a 0.005 cut at very low rpm
(to avoid melting the plastic) and got a smooth inside that is a light
press fit to the 24mm steel hub.I think I will try red (permanent)
Locktight and see how 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 setting that, it was an autoselected choice that I think
> came with the super quality setting.  If I make it bigger, how much
> bigger?
>
> > Cura will run the extruders at a rate that pumps plastic to make a
> > linewitdth x layerthickness x speed.   So if you say 0.3 line, then it
> > will pump out 3/4 as much plastic as required and move over 0.3 to
> > print the next line and will mess up what it just printed.
> >
> > The 3mm wall and also explains your very long print times.   I'm
> > making usable 40T pulleys in one hour 10 minutes
> >
> > I would print with all default settings but do enable support
> > "everywhere" as it will only be used if needed.At least until you
> > get a good looking 5mm test cube.
> >
> > On Sat, Jun 6, 2020 at 10:34 AM Gene Heskett 
> wrote:
> > > On Saturday 06 June 2020 13:01:32 andy pugh wrote:
> > > > On Sat, 6 Jun 2020 at 17:56, Gene Heskett 
> > > > wrote:
> > > >
> > > > Here ya go Andrew. A bit fuzzier on the far side,
> > > >
> > > >
> > > > Do you have any wall at all? That looks to be _all_ infill.
> > >
> > > To me too.
> > >
> > > > In "Quality" what is your
> > >
> > > "Wall line width" =0.3
> > >
> > > > and then in "Shell" what is your
> > >
> > > "Wall thickness" =3.0mm
> > >
> > > > and
> > >
> > > "Wall line count" =10.0
> > >
> > > Thanks Andy
> > >
> > > 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 
> > >
> > >
> > > ___
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> 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 
>
>
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

On Sat, Jun 6, 2020 at 11:00 AM Gene Heskett  wrote:

> On Saturday 06 June 2020 13:51:39 Andrew wrote:
>
> > сб, 6 черв. 2020 о 19:56 Gene Heskett  пише:
> > > Here ya go Andrew. A bit fuzzier on the far side, compresses better
> > > Had a hell of a time, camera decided its autofocus didn't work after
> > > fresh batteries.
> >
> > Wow. Severe under extrusion!
>

We need to wait for Gene to post a file to see what is really happening but
of "line width" is set to 0.3 and a 0.4 nozzel is installed we would expect
to see only 75% of the required plastic being extruded.  Yes "severe under
extrusion"

This would explain the bed adhesion problem too, it needs to pump out 1/3rd
more plastic.

Gene, the plastic sicks to what ever is below it because there is a 0.4mm
of hot and PRESSURIZED plastic under the nozzle.  The hot circle of
pressurized plastic melts whatever is below it in the case if layer #1
pushes the plastic into micro structure of the aluminum.  But with only
75% of the feed rate there is no pressure in the 0.4 circle under the
extruder is not even filled

That is why 3D printing even works, 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.
-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

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 setting that, it was an autoselected choice that I think 
came with the super quality setting.  If I make it bigger, how much 
bigger?

> Cura will run the extruders at a rate that pumps plastic to make a
> linewitdth x layerthickness x speed.   So if you say 0.3 line, then it
> will pump out 3/4 as much plastic as required and move over 0.3 to
> print the next line and will mess up what it just printed.
>
> The 3mm wall and also explains your very long print times.   I'm
> making usable 40T pulleys in one hour 10 minutes
>
> I would print with all default settings but do enable support
> "everywhere" as it will only be used if needed.At least until you
> get a good looking 5mm test cube.
>
> On Sat, Jun 6, 2020 at 10:34 AM Gene Heskett  
wrote:
> > On Saturday 06 June 2020 13:01:32 andy pugh wrote:
> > > On Sat, 6 Jun 2020 at 17:56, Gene Heskett 
> > > wrote:
> > >
> > > Here ya go Andrew. A bit fuzzier on the far side,
> > >
> > >
> > > Do you have any wall at all? That looks to be _all_ infill.
> >
> > To me too.
> >
> > > In "Quality" what is your
> >
> > "Wall line width" =0.3
> >
> > > and then in "Shell" what is your
> >
> > "Wall thickness" =3.0mm
> >
> > > and
> >
> > "Wall line count" =10.0
> >
> > Thanks Andy
> >
> > 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 
> >
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users


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 


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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 13:51:39 Andrew wrote:

> сб, 6 черв. 2020 о 19:56 Gene Heskett  пише:
> > Here ya go Andrew. A bit fuzzier on the far side, compresses better 
> > Had a hell of a time, camera decided its autofocus didn't work after
> > fresh batteries.
>
> Wow. Severe under extrusion!
>
> Go to Preferences -> Printers -> choose your printer -> Machine
> Settings -> Extruder tab -> Compatible material diameter. Should be
> 1.75mm
>
> WBR,
> Andrew
>

The mail server is being a cast iron PITA.  So add "lathe.stf" to the 
address bar after clicking on the link in my sig. its the only 
CE3PRO*.3mf file there.

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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 


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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

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.

Cura will run the extruders at a rate that pumps plastic to make a
linewitdth x layerthickness x speed.   So if you say 0.3 line, then it will
pump out 3/4 as much plastic as required and move over 0.3 to print the
next line and will mess up what it just printed.

The 3mm wall and also explains your very long print times.   I'm making
usable 40T pulleys in one hour 10 minutes

I would print with all default settings but do enable support "everywhere"
as it will only be used if needed.At least until you get a good
looking 5mm test cube.

On Sat, Jun 6, 2020 at 10:34 AM Gene Heskett  wrote:

> On Saturday 06 June 2020 13:01:32 andy pugh wrote:
>
> > On Sat, 6 Jun 2020 at 17:56, Gene Heskett 
> > wrote:
> >
> > Here ya go Andrew. A bit fuzzier on the far side,
> >
> >
> > Do you have any wall at all? That looks to be _all_ infill.
>
> To me too.
>
> > In "Quality" what is your
> "Wall line width" =0.3
>
> > and then in "Shell" what is your
> "Wall thickness" =3.0mm
> > and
> "Wall line count" =10.0
>
> Thanks Andy
>
> 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 
>
>
> ___
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> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 13:51:39 Andrew wrote:

> сб, 6 черв. 2020 о 19:56 Gene Heskett  пише:
> > Here ya go Andrew. A bit fuzzier on the far side, compresses better 
> > Had a hell of a time, camera decided its autofocus didn't work after
> > fresh batteries.
>
> Wow. Severe under extrusion!
>
> Go to Preferences -> Printers -> choose your printer -> Machine
> Settings -> Extruder tab -> Compatible material diameter. Should be
> 1.75mm
>
It is.

> WBR,
> Andrew
>
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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 


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Re: [Emc-users] Design for the materials and process

[Andrew]

сб, 6 черв. 2020 о 19:56 Gene Heskett  пише:

> Here ya go Andrew. A bit fuzzier on the far side, compresses better  Had
> a hell of a time, camera decided its autofocus didn't work after fresh
> batteries.
>
>
Wow. Severe under extrusion!

Go to Preferences -> Printers -> choose your printer -> Machine Settings ->
Extruder tab -> Compatible material diameter. Should be 1.75mm

WBR,
Andrew

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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Saturday 06 June 2020 13:01:32 andy pugh wrote:

> On Sat, 6 Jun 2020 at 17:56, Gene Heskett 
> wrote:
>
> Here ya go Andrew. A bit fuzzier on the far side,
>
>
> Do you have any wall at all? That looks to be _all_ infill.

To me too.

> In "Quality" what is your 
"Wall line width" =0.3 

> and then in "Shell" what is your 
"Wall thickness" =3.0mm 
> and 
"Wall line count" =10.0   

Thanks Andy

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 


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Re: [Emc-users] Design for the materials and process

[Chris Albertson]

Something is fundamentally wrong.The error in the print swamps the 3mm
pitch teeth.   The print as errors that are literally 10x greater than they
should be.  Your printer should be making parts with less than 0.2 or 0.1
mm (0.010 to 0.005 inch) deviation from the design.

*Can you show us all the settings you used in Cura?   Ether take a
screenshot or do a "file--> Save" and post the resulting *.3MF file.  *

It does not even make sense to measure that 5mm cube test block if the
surface quality is this poor.

It is REALLY hard to guess what the problem is without seeing the exact
settings.I could ask you what you did, but there is a good chance what
you think you did is not what actually was done.   I doubt the printer is
broken.


On Sat, Jun 6, 2020 at 9:56 AM Gene Heskett  wrote:

> On Saturday 06 June 2020 10:15:48 Andrew wrote:
>
> > сб, 6 черв. 2020 о 17:03 Gene Heskett  пише:
> > > Got it made, took all night, but I can see right thru the pulley
> > > cogs. Its all infill at 50% or less. How the heck do I convince cura
> > > to make solid teeth?
> > >
> > > Gene, can you give us a photo? Maybe upload somewhere and post a
> > > link
>
> Here ya go Andrew. A bit fuzzier on the far side, compresses better  Had
> a hell of a time, camera decided its autofocus didn't work after fresh
> batteries.
>
> > WBR,
> > Andrew
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> 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 
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>


-- 

Chris Albertson
Redondo Beach, California

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Re: [Emc-users] Design for the materials and process

[Dr. Andreas O. Lindner]

Hello Gene,

this looks a lot like massive under extrusion. This can come from clogged nosel 
or wrong filament diameter

Best regards,
Andreas


Andreas O. Lindner

Lindner TAC

Auhofstraße 11 B / 11
1130 Wien
Austria

Fax: +43 1 877 68 73
Mobil: +43 664 41 24 742

Email: a.lind...@lindner-tac.at
Web: http://www.lindner-tac.at



> Am 06.06.2020 um 18:53 schrieb Gene Heskett :
> 
> On Saturday 06 June 2020 10:15:48 Andrew wrote:
> 
>> сб, 6 черв. 2020 о 17:03 Gene Heskett  пише:
>>> Got it made, took all night, but I can see right thru the pulley
>>> cogs. Its all infill at 50% or less. How the heck do I convince cura
>>> to make solid teeth?
>>> 
>>> Gene, can you give us a photo? Maybe upload somewhere and post a
>>> link
> 
> Here ya go Andrew. A bit fuzzier on the far side, compresses better  Had 
> a hell of a time, camera decided its autofocus didn't work after fresh 
> batteries.
> 
>> WBR,
>> Andrew
>> 
>> ___
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> 
> 
> 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 
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Re: [Emc-users] Design for the materials and process

[andy pugh]

On Sat, 6 Jun 2020 at 17:56, Gene Heskett  wrote:

Here ya go Andrew. A bit fuzzier on the far side,


Do you have any wall at all? That looks to be _all_ infill.

In "Quality" what is your "Wall line width" and then in "Shell" what is
your "Wall thickness" and "Wall line count"

-- 
atp
"A motorcycle 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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Re: [Emc-users] max motor size that a 8i20 can control

[Jon Elson]

On 06/06/2020 06:47 AM, andrew beck wrote:

hey andy

my motor feedback type is a fanuc incremental encoder.  i think it is a sin
cos.
If this is the 10S motor you are talking about, it has 
traditional differential TTL quadrature plus index, plus 4 
commutation signals that repeat 4 times per revolution.  
Yes, it is an 8-pole motor.

  I did go throught it and checked that it was not a serial encoder a
couple of months ago but I wil try dig the info out later  I think it is
2048ppr
No, the 10S is not available with 2048 pulses.  Your choices 
are 1000, 2000, 2500, 3000 and 10,000.



Jon


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Re: [Emc-users] Design for the materials and process

[Andrew]

сб, 6 черв. 2020 о 17:03 Gene Heskett  пише:

> Got it made, took all night, but I can see right thru the pulley cogs.
> Its all infill at 50% or less. How the heck do I convince cura to make
> solid teeth?
>

Also, check that you have filament diameter set to 1.75mm.

WBR, Andrew

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Re: [Emc-users] Design for the materials and process

[Andrew]

сб, 6 черв. 2020 о 17:03 Gene Heskett  пише:

>
> Got it made, took all night, but I can see right thru the pulley cogs.
> Its all infill at 50% or less. How the heck do I convince cura to make
> solid teeth?
>
> Gene, can you give us a photo? Maybe upload somewhere and post a link


WBR,
Andrew

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Re: [Emc-users] Design for the materials and process

[Gene Heskett]

On Friday 05 June 2020 16:32:36 Gene Heskett wrote:

> On Friday 05 June 2020 15:25:49 Thaddeus Waldner wrote:
> > > What generator software? Openscad, using the thingiverse
> > > parametric .scad files, cannot render a shaft of more than
> > > 9.9mm's, else we could do this by enlarging the shaft, so all
> > > we'ed have to print was a ring of teeth.
> >
> > Attached is a picture of a 41T GT2 2mm pulley with a 54mm shaft
> > diameter. Generated with the same OpenSCAD file.
>
> It took a restart of openscad to do it, but now it works, Thank you
> Thaddeus.
>
> I now have the .stl for the plastic half with a  heavy flange on the
> bottom that is part flange and a 1mm base the same OD as the outer
> edge of the flange.

Got it made, took all night, but I can see right thru the pulley cogs.  
Its all infill at 50% or less. How the heck do I convince cura to make 
solid teeth?

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 


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Re: [Emc-users] max motor size that a 8i20 can control

[Gene Heskett]

On Saturday 06 June 2020 07:47:54 andrew beck wrote:

> hey andy
>
> my motor feedback type is a fanuc incremental encoder.  i think it is
> a sin cos.  I did go throught it and checked that it was not a serial
> encoder a couple of months ago but I wil try dig the info out later  I
> think it is 2048ppr
>
> I think they are able to be read without any converters but will check
> later.  in any case though if needed I can get rid of them and use a
> standard incremental encoder if things get desperate.
>
> next question and a answer to your questions..  what does a rectifier
> actually look like?  and how important are the specifations on them. 
> eg will a rectifier work with a wide range of voltages and currents or
> is it something that is a bid touchy.  I have never used them
> before...  I think they are just a square block with 4 pins coming out
> of it.  but are not sure
>
There are many types, some are individual rectifiers, and the 4 pin types 
are generally 4 diodes internally connected as a bridge, ratings are 
often stamped on them and you will need 600 to 1 kv rateings at 10 or 
more amps per motor. Those will have two terminals marked with ~, which 
the AC is connected to, and + and- for where the dc comes out. Both the 
+ and - outputs are hot to ground, but an isolating transformer driving 
th ~ terminals will let you ground the - terminal, but verify its not 
connected otherwise first.  Could break the mirror and let the smoke out 
of something else in old machinery. 

For filters to smooth the dc outout, you'll need voltage ratings in the 
450 volt range, and as many micro-farads  as you can get in the box 
without tripping the machines service breaker when you turn it on from 
overnight cold. I have one machine I over built, tripped a 30 amp 
breaker from its 125 volt feed, so it now gets turned with a 50 ohm 200 
watt resistor in series with that supply for the first 3 seconds.  
Called a soft start by most. Done by controlling a pair of 40 amp Crydom 
Solid State Relay's thru timers connected to the f2 button in the .hal 
file. 

If you would rather use a "packaged" motor supply, then I expect Peter (
mesa) has a solution.  Or Jon Elson (Pico Systems).

> regards
>
> Andrew
>
> On Sat, Jun 6, 2020 at 11:40 PM andy pugh  wrote:
> > On Sat, 6 Jun 2020 at 12:25, andrew beck 
> > wrote:
> >
> > So I already have 240volts ac three phase power in the machine. 
> > Just need
> >
> > > to rectify it I think.
> > >
> > > I have no idea currently how to rectify ac into DC but it can't be
> > > that hard.  Just need to make sure I get it right lol.  High
> > > voltages are dangerous.
> >
> > What is currently downstream of the  transformer? You probably
> > already have a rectifier and set of smoothing capacitors.
> >
> > Do you guys feel like coaching me through setting them up?   This
> > will be
> >
> > > my 3rd machine I have set up.  So I'm getting better at Hal.  And
> >
> > shouldn't
> >
> > > need to much hand holding.
> >
> > What is your motor feedback type?
> >
> > --
> > atp
> > "A motorcycle 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
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
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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 


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[Emc-users] @Andrew Beck, how did you get qtpyvcp working?

[Valerio Bellizzomi]

Hi, I would like to use qtpyvcp instead of gmoccapy, can you help me?
How did you get qtpyvcp on LinuxCNC?
and how did you configure it?

Regards




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Re: [Emc-users] max motor size that a 8i20 can control

[andrew beck]

It is late at night here now so I will have a look tomorrow.  and post back
to you

thanks for the help

regards

Andrew


On Sun, Jun 7, 2020 at 12:06 AM andy pugh  wrote:

> On Sat, 6 Jun 2020 at 12:50, andrew beck  wrote:
>
> next question and a answer to your questions..  what does a rectifier
> > actually look like?
>
>
> It is an arrangement of 4 or 6 diodes (4 for single-phase, 6 for 3-phase)
> They are often packaged as a unit, but might also be made of discrete
> diodes.
> https://en.wikipedia.org/wiki/Diode_bridge
>
>
> > and how important are the specifations on them.  eg
> > will a rectifier work with a wide range of voltages and currents or is it
> > something that is a bid touchy.
>
>
> They need to be rated for "enough" current and "enough" voltage. But they
> are so cheap that you might as well over-specify.
>
> The 8i20 needs smoothing capacitors too, it can't run directly from
> rectified AC.
> Speccing the caps is harder than speccing the rectifier. But, as I said,
> your cabinet probably already contains all this stuff.
>
> --
> atp
> "A motorcycle 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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Re: [Emc-users] max motor size that a 8i20 can control

[andy pugh]

On Sat, 6 Jun 2020 at 12:50, andrew beck  wrote:

next question and a answer to your questions..  what does a rectifier
> actually look like?


It is an arrangement of 4 or 6 diodes (4 for single-phase, 6 for 3-phase)
They are often packaged as a unit, but might also be made of discrete
diodes.
https://en.wikipedia.org/wiki/Diode_bridge


> and how important are the specifations on them.  eg
> will a rectifier work with a wide range of voltages and currents or is it
> something that is a bid touchy.


They need to be rated for "enough" current and "enough" voltage. But they
are so cheap that you might as well over-specify.

The 8i20 needs smoothing capacitors too, it can't run directly from
rectified AC.
Speccing the caps is harder than speccing the rectifier. But, as I said,
your cabinet probably already contains all this stuff.

-- 
atp
"A motorcycle 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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Re: [Emc-users] max motor size that a 8i20 can control

[andrew beck]

hey andy

my motor feedback type is a fanuc incremental encoder.  i think it is a sin
cos.  I did go throught it and checked that it was not a serial encoder a
couple of months ago but I wil try dig the info out later  I think it is
2048ppr

I think they are able to be read without any converters but will check
later.  in any case though if needed I can get rid of them and use a
standard incremental encoder if things get desperate.

next question and a answer to your questions..  what does a rectifier
actually look like?  and how important are the specifations on them.  eg
will a rectifier work with a wide range of voltages and currents or is it
something that is a bid touchy.  I have never used them before...  I think
they are just a square block with 4 pins coming out of it.  but are not sure

regards

Andrew

On Sat, Jun 6, 2020 at 11:40 PM andy pugh  wrote:

> On Sat, 6 Jun 2020 at 12:25, andrew beck  wrote:
>
> So I already have 240volts ac three phase power in the machine.  Just need
> > to rectify it I think.
> >
> > I have no idea currently how to rectify ac into DC but it can't be that
> > hard.  Just need to make sure I get it right lol.  High voltages are
> > dangerous.
> >
>
> What is currently downstream of the  transformer? You probably already have
> a rectifier and set of smoothing capacitors.
>
> Do you guys feel like coaching me through setting them up?   This will be
> > my 3rd machine I have set up.  So I'm getting better at Hal.  And
> shouldn't
> > need to much hand holding.
>
>
> What is your motor feedback type?
>
> --
> atp
> "A motorcycle 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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Re: [Emc-users] max motor size that a 8i20 can control

[andy pugh]

On Sat, 6 Jun 2020 at 12:25, andrew beck  wrote:

So I already have 240volts ac three phase power in the machine.  Just need
> to rectify it I think.
>
> I have no idea currently how to rectify ac into DC but it can't be that
> hard.  Just need to make sure I get it right lol.  High voltages are
> dangerous.
>

What is currently downstream of the  transformer? You probably already have
a rectifier and set of smoothing capacitors.

Do you guys feel like coaching me through setting them up?   This will be
> my 3rd machine I have set up.  So I'm getting better at Hal.  And shouldn't
> need to much hand holding.


What is your motor feedback type?

-- 
atp
"A motorcycle 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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Re: [Emc-users] max motor size that a 8i20 can control

[andrew beck]

Actually Peter and Andy.

I have a 400v to 240v stepdown transformer on the lathe at the moment as
fanuc uses 240v drives in Japan.

The transformer is massive

So I already have 240volts ac three phase power in the machine.  Just need
to rectify it I think.

I have no idea currently how to rectify ac into DC but it can't be that
hard.  Just need to make sure I get it right lol.  High voltages are
dangerous.

The fanuc 10s motor is rated for 150v at 7amps I think it's a 8pole motor

 max rpm is 2000

It's looking better for the 8i20 drives.  I think they are a bit harder to
set up though than a normal servo as I have to learn how to use bldc.  I
would love to learn this stuff though.

Do you guys feel like coaching me through setting them up?   This will be
my 3rd machine I have set up.  So I'm getting better at Hal.  And shouldn't
need to much hand holding.

also what mesa cards are best for interfacing with 8i20 cards?  from what I
understand they are a bit different to the normal drives 0-10v stuff

Regards

On Thu, Jun 4, 2020 at 9:43 AM andrew beck  wrote:

> Hey guys
>
> I have been looking at the mesa 8i20 servo drives and thinking about using
> one to control a 3.45 kw heidenhain motor I have here
>
> the max power the servo drive can control apparently is 2200w  so the
> servo drive is slightly under powered.
>
> http://store.mesanet.com/index.php?route=product/product_id=149
>
> just wondering who has used them now.
>
> I am possibly getting another 5 ton  big cnc mill and thinking of using
> the mesa 8i20 for the servo drives.   If I can't find a way to retrofit
> into the original heidenhain inverter (I have no idea if it still goes)
>
> any thoughts would be appreciated.  also it would be nice to know if they
> can supply more power if I build a nice heat sink for them
>
> regards
>
> Andrew
>

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Re: [Emc-users] pix too big, rejected, so Chris is only other receiver.

[Gene Heskett]

On Friday 05 June 2020 23:46:24 Chris Albertson wrote:

> Is the test block over sized by the same amount if you measure one
> block or 4?   Or is it always over sized by the same amount?
>
> This will tell you if the scale is wrong or if the oversize is just
> that the skin is thicker and more rough than it should be.   There
> should be a constant AND a multiplier.
>
> The best analysis method is to enter the measurements into Excel and
> let it make a plot and have it do a least-squares fit of a line to the
> plot.  The slope of the line is the multiplier.
>
> Most people do have to clean up their prints with a file or sand paper
> to get the bumps off.  I'd measure after a quick sanding job

Thats pretty small to sand.

> Usually the first stuff that people print with their new printer iis
> upgrades to the printer.  Usually things like hold down clamps and
> corner braces to make the printer more rigid.  The best improvement I
> did was screw the printer down to a work table, just 4 small wood
> screws.

Actually, the way its machined and assembled, it is pretty rigid. And I 
don't have a table for it solid enough to count. Steel tube framed 
folding table with a saggy 1/8" thick masonite top. Typical 20 yo 
walmart/costco stuff. Bought it to hold a small fridge in a motel room 
while I was playing consultant after I retired.

IMO the worst is a lack of 4 holes in the verticals, 2 for access to the 
2 screws on the left end of the x bar, and 2 to put pins in for the 
x-bar to rest dead level to the rest of the frame on them while all 4 
end carrier bolts are torqued down, reducing drag on the z drive screw 
at the same time.  That, and better home switches, these are junk. I'm 
not convinced the y switch even works, it slams the stop and hammers the 
motor for 3 or 4 additional seconds and finally accepts that it zeroed.  
No double check is ever done, like x and z switches do.

> On Fri, Jun 5, 2020 at 6:12 PM Gene Heskett  
wrote:
> > On Friday 05 June 2020 13:44:22 Karl Jacobs wrote:
> > > Hi Gene,
> > >
> > > take the attached file for 5mm calibration steps and put it into
> > > Cura for slicing. This is about as simple as it gets for initial
> > > tests.
> >
> > This I take it is to be used to diddle a xyz scales?  its between .1
> > and .2mm oversize in both directions, not too non-linear, just a tad
> > oversize whether I measure one block or all 5.
> >
Thanks Karl.

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 


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Re: [Emc-users] How to get data to HAL from USB, serial or socket? Emergency stop

[N]

On Sat, 6 Jun 2020 01:05:26 +0100
andy pugh  wrote:

> On Sat, 6 Jun 2020 at 01:01, Chris Albertson 
> wrote:
> 
> > Is it "wrong" on have this unreliable button?
> 
> No, it is only wrong to rely on it.
> 
> If you are being eaten by the machine you need a had and accessble e-stop.
> If you are sat on the couch and it has all gione wrong, then the web
> interface is better than nothing.

Yes

> (Have you seen Rockhopper?
> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Rockhopper_Web_Server )

Yes, it show the connections graphically, had a problem with netlist in gschem 
a while ago, also read someone else had a few days ago so I would not trust it 
to wire an emergency button. Then come possibility of other bugs.


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Re: [Emc-users] How to get data to HAL from USB, serial or socket? Emergency stop

[N]

> ...
> Notice tht LinuxCNC's "axis" app has a red-estop button you can click.   It
> works only as long as the software works

Before you enter machine you need a reliale way to turn it off.

If there is a problem with software it is rather likely LinuxCNC red-estop 
button will not work exactly then needed, there might be a problem with 
hardware. It is a little bit complex to check it will stay turned off once 
pressed even though it work very well statistically, sometimes odd bugs happens 
even if carefully checked, problem is you work 8 hours a day for 50 years, use 
it to turn off before you put hand in machine and one day it fail.


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