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Is my extruder motor dead?

Posted by Fpex 
Is my extruder motor dead?
March 06, 2016 03:18PM
I have been (finally) printing happily with my ormerod, but it was supposed not to last.
This machine has been full of problems for me. An hate, hate, love relationship.

Anyhow. the extruder motor all of a sudden started to make a strange rumour and to stutter. Since then it behaves as if it were underpowered and nothing works. If I extrude at lower setting (on panel2) is goes ok.
If I put anything higher, it stutters. If I try to print, very little filament comes out.

If the motor dead? If so, where can i get one?

I am using a brand new duet 0.8.5
the printer has been working for quite some time without a problem (before I had to replace the duet and rebuild the printer once again). The last print ended last night with a 20hours print before that. I just switched from XT to ABS and the above motor noise and issue has popped up.
Connections seems fine.

Edited 2 time(s). Last edit at 03/06/2016 03:39PM by Fpex.


----- Making the world smarter @ www.xetal.eu
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Re: Is my extruder motor dead?
March 06, 2016 03:36PM
What speed are you able to extrude at into free air? If you can extrude at 5mm/sec then that is sufficient for printing. Also, what hot end temperature are you using when trying to print ABS?



Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Re: Is my extruder motor dead?
March 06, 2016 03:38PM
Lowest works on free air (5ms) and I have been trying to print with 220 to 255 with filaments the ormerod could easily print at 220-240.

in config

M906 X800 Y1000 Z800 E800

running from 12v directly without the converter. Till last night it worked like a beauty! Then noise after i tried to run the load filament macro twice with stuttering and ... now it extrudes very little when in printing.

Edited 4 time(s). Last edit at 03/07/2016 01:41AM by Fpex.


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 02:01AM
As long as it works in free air the motor should be okay. However my Ormerod 1 also have problems even with 5mm/s. First of all you should check the connections if they are still tight and securely in place. You could then try to increase the motor current to 900 or 1000 mAmps.

M906 X800 Y1000 Z800 E900

Which Extruder do you use?

Edited 1 time(s). Last edit at 03/07/2016 02:03AM by Treito.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 02:51AM
I ma using the starboard extruder but with all parts in ABS. I will check everything out again today and add amps. Just strange it happened.
I will also check tube and nozzle, just to be sure the filament did not have something in it (but never had this with colorfabb XT)

Edited 1 time(s). Last edit at 03/07/2016 02:51AM by Fpex.


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 02:57AM
What is a starboard Extruder?


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 03:03AM
I meant standard .... my iPad changed things as always


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 03:07AM
Apple... tongue sticking out smiley

Do you also use the standard gears? I had trouble with the Herringbone gears and the standard Extruder.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 03:13AM
Fully standard. As I said I managed to print PLA, ABS and XT without a problem on the extruder ... I had already all sort of cracks, burned bed, broken duet 0.6 ... and now this. I start to feel my ormerod is a cursed machine :-)


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 03:21AM
What should I say at least? Two broken Duets and if one printer is printing the other one is dead. The biggest problem is my MK1. Since the beginning something is wrong with the bed - it is far too high at the front. The connection of the thermistor was nearly unplugged but gave some contacts randomly so the Duet overpowered the nozzle as the temperature readings where too low. It was not able to print circles round - it looked more like ellipses. My aluminium X-arm got damaged because of a wrong bearing position. Cables broke and so on.
My MK2 worked much better until the big accident recently - itis caused of the fact that it is no original design and the bed support melted - I should have printed it in ABS instead of PLA.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 03:40AM
eheheh, i have only a mk2. My other printers are more reliable but they had their "periods" in the past :-)


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 07:30AM
In free air the extrusion works (5ms) and it moved fast. While printing it moves very slow and i get tiny drops of filament.
I thought it was an error in slicer maybe. but not


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 07:57AM
That simply means that the nozzle is too low.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 08:05AM
nope I forced it up on purpose


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 08:17AM
Otherwise your bed is not leveled. Unless you do not post a picture here including the full skirt and showing a first layer I have no further idea.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 09:01AM
It is really weird .... old files print, new files not!

Edited 1 time(s). Last edit at 03/07/2016 09:19AM by Fpex.


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 09:47AM
I am looking at the codes coming from slic3r .... nothing has been changed there but I see where the problem is.
In the old ones I get things like this

G1 X78.050 Y86.136 E0.09707 F1200.000
G1 X121.950 Y86.136 E1.66848
G1 X123.663 Y86.531 E0.06682
G1 X125.031 Y87.636 E0.06682
G1 X125.864 Y90.050 E0.09707
G1 X125.864 Y109.950 E0.75633
G1 X125.469 Y111.663 E0.06682
G1 X124.364 Y113.031 E0.06682
G1 X121.950 Y113.864 E0.09707
G1 X78.050 Y113.864 E1.66848

in the new ones

G1 X64.885 Y73.099 E0.01089 F900.000
G1 X65.537 Y72.810 E0.00813
G1 X65.828 Y72.730 E0.00345
G1 X110.834 Y62.533 E0.52599
G1 X111.328 Y62.460 E0.00568
G1 X112.631 Y62.368 E0.01490
G1 X113.014 Y62.358 E0.00436
G1 X113.476 Y62.387 E0.00528
G1 X114.091 Y62.519 E0.00717
G1 X114.776 Y62.821 E0.00853
G1 X115.821 Y63.790 E0.01625

why are the numbers all of the sudden so much smaller???


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 10:21AM
Sorry guys, it is a slic3r bug with % .... Beter this way ... even if it let me discovered a huge crack on a Z wheel :-(


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 07, 2016 01:51PM
I hope you have some spare.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 07, 2016 02:41PM
YEs, but I am printing more. The crack is still ok ... but sooner or later it needs changing.


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 09, 2016 04:39AM
What should I say? The Extruder of my MK1 just died. the pnaumatic fitting does not stay in place. It is already M6 instead of M5. I guess it is time to fix my MK2.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
Re: Is my extruder motor dead?
March 09, 2016 10:05AM
ouch! I printer a extra sparte abs extruder kit ... just in case :-)


----- Making the world smarter @ www.xetal.eu
----- Helping entrepreneurs @ www.fralke.com
Re: Is my extruder motor dead?
March 10, 2016 03:44AM
I had one last Extruder part. The good one. In case of emergency I would have some parts of an older revision which not work properly but they are useable. As soon as my MK2 will work or I chnaged the nozzle of my MK1 I will print some new spares.


Slicer: Simplify3D 4.0; sometimes CraftWare 1.14 or Cura 2.7
Delta with Duet-WiFi, FW: 1.20.1RC2; mini-sensor board by dc42 for auto-leveling
Ormerod common modifications: Mini-sensor board by dc42, aluminum X-arm, 0.4 mm nozzle E3D like, 2nd fan, Z stepper nut M5 x 15, Herringbone gears, Z-axis bearing at top, spring loaded extruder with pneumatic fitting, Y belt axis tensioner
Ormerod 2: FW: 1.19-dc42 on Duet-WiFi. own build, modifications: GT2-belts, silicone heat-bed, different motors and so on. Printed parts: bed support, (PSU holder) and Y-feet.
Ormerod 1: FW: 1.15c-dc42 on 1k Duet-Board. Modifications: Aluminium bed-support, (nearly) all parts reprinted in PLA/ ABS, and so on.
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