buckker
Posts: 6
Joined: Mon Nov 11, 2019 2:50 pm

Strange printing speed with Simplify3D

Mon Nov 11, 2019 3:06 pm

Hi

I'm experimenting with thin wall parts on my Sidewinder X1. Normally I would prefer using Simplify3D over Cura oder Slic3r for those parts. Now I'm facing with a strange stop and go in printing speed on my Artillery Sidewinder X1. Also the the prints are very bad. Very interersting is the fact that the first layer doesn't suffer from this issue, but from the second layer starts the pain.

The g-code from the first layer looks like this:
...
G1 X151.645 Y68.512 E0.0005 F900
G1 X156.176 Y68.602 E0.2266
G1 X156.193 Y68.603 E0.2274
G1 X160.167 Y68.833 E0.4260
G1 X160.183 Y68.835 E0.4268
G1 X162.558 Y69.057 E0.5458
G1 X162.572 Y69.058 E0.5465
G1 X164.813 Y69.338 E0.6592
....


From the second layer looks like this:

....
; feature external single extrusion
; tool H0.200 W0.446
G1 X153.196 Y69.648 F12000
G1 E0.0200 F1800
G92 E0.0000
G1 X153.274 Y69.649 E0.0029 F900
; tool H0.200 W0.424
G1 X154.869 Y69.670 E0.0592
; tool H0.200 W0.398
G1 X155.268 Y69.675 E0.0724
; tool H0.200 W0.392
G1 X155.348 Y69.677 E0.0750
; tool H0.200 W0.397
G1 X156.065 Y69.700 E0.0987
; tool H0.200 W0.402
G1 X156.143 Y69.703 E0.1013
; tool H0.200 W0.403
G1 X156.218 Y69.706 E0.1038
; tool H0.200 W0.401
G1 X157.064 Y69.743 E0.1321
; tool H0.200 W0.399
G1 X157.141 Y69.746 E0.1346
; tool H0.200 W0.400
G1 X157.449 Y69.762 E0.1449
; tool H0.200 W0.402
G1 X157.524 Y69.765 E0.1474
; tool H0.200 W0.402

Could it be possible that the the adition "; tool H0.200 W0.402" cause this problem? Is it possible to remove it from the post processing?

Here you can see how the stop and go behaviour on my Sidewinder X1:

https://youtu.be/hLQJdPx6YXo
Simplify3D Bug.jpg
Many thanks in advance

Michael

PicoTreed
Posts: 37
Joined: Mon Jan 14, 2019 10:14 am

Re: Strange printing speed with Simplify3D

Mon Nov 18, 2019 11:12 am

I'm not sure about that, but I fear that some recent (silent?) updates had broken something.

For example:
viewtopic.php?f=9&t=14038
viewtopic.php?f=9&t=14065
R&D for 3D printers, materials & software.

PicoTreed
Posts: 37
Joined: Mon Jan 14, 2019 10:14 am

Re: Strange printing speed with Simplify3D

Tue Nov 19, 2019 3:02 am

buckker wrote:
Mon Nov 11, 2019 3:06 pm
Is it possible to remove it from the post processing?
Yes, you can remove comments from the generated G-code, and it's worth a shot.
Just add the command {STRIP ";"} in "Scripts > Additional terminal commands for post processing"

Let us know about the results!
R&D for 3D printers, materials & software.

User avatar
dkightley
Posts: 2095
Joined: Tue Mar 10, 2015 4:09 pm

Re: Strange printing speed with Simplify3D

Tue Nov 19, 2019 7:17 am

Could it be possible that the the adition "; tool H0.200 W0.402" cause this problem?
Unlikely.....these lines are comments that should be ignored by the printer.
Doug Kightley
Volunteer at the National Tramway Museum http://www.tramway.co.uk
Railway modeller and webmaster at http://www.talkingtgauge.net

buckker
Posts: 6
Joined: Mon Nov 11, 2019 2:50 pm

Re: Strange printing speed with Simplify3D

Tue Nov 19, 2019 2:45 pm

PicoTreed wrote:
Tue Nov 19, 2019 3:02 am
buckker wrote:
Mon Nov 11, 2019 3:06 pm
Is it possible to remove it from the post processing?
Yes, you can remove comments from the generated G-code, and it's worth a shot.
Just add the command {STRIP ";"} in "Scripts > Additional terminal commands for post processing"

Let us know about the results!
I tested it on my Ultimaker 2, it doesn't help....

User avatar
dkightley
Posts: 2095
Joined: Tue Mar 10, 2015 4:09 pm

Re: Strange printing speed with Simplify3D

Tue Nov 19, 2019 4:13 pm

I tested it on my Ultimaker 2, it doesn't help....
Which supports what I have advised....the lines you are suspecting as causing a problem are purely comments in the gcode file that are ignored.

I think you need to reappraise what is going wrong....why not attach a factory file ( not the fff or the gcode) for this print so someone can have a look at what you are doing.
Doug Kightley
Volunteer at the National Tramway Museum http://www.tramway.co.uk
Railway modeller and webmaster at http://www.talkingtgauge.net

buckker
Posts: 6
Joined: Mon Nov 11, 2019 2:50 pm

Re: Strange printing speed with Simplify3D

Wed Nov 20, 2019 2:22 pm

I should upload the factory file earlier.... Here it is

Many thanks in advance
Attachments
Printing Speed Issue.factory
(216.27 KiB) Downloaded 4 times

horst.w
Posts: 819
Joined: Fri Oct 17, 2014 5:00 pm

Re: Strange printing speed with Simplify3D

Thu Nov 21, 2019 3:02 am

Hi Buckker,

I'm sorry, but I can't see what the problem is with your code.
The speed, is it to fast or is it to slow???

The print preview looks ok for me, all speeds are in a range, resulting by your settings (Preview > Moving Speeds)

If the F-value is the point, please note that GCode transforms the mm/s - settings back to mm / min. Your travel speed of 200 mm/s will be translated to 200 x 60 = 12000 mm/min.
The printing speed may be manipulated by the settings of Speed Overwrites.


RepRap - Code-list:

Letter Meaning
Gnnn Standard G-code command, such as move to a point
Mnnn RepRap-defined command, such as turn on a cooling fan
Tnnn Select tool nnn. In RepRap, a tool is typically associated with a nozzle, which may be fed by one or more extruders.
Snnn Command parameter, such as time in seconds; temperatures; voltage to send to a motor
Pnnn Command parameter, such as time in milliseconds; proportional (Kp) in PID Tuning
Xnnn A X coordinate, usually to move to. This can be an Integer or Fractional number.
Ynnn A Y coordinate, usually to move to. This can be an Integer or Fractional number.
Znnn A Z coordinate, usually to move to. This can be an Integer or Fractional number.
U,V,W Additional axis coordinates (RepRapFirmware)
Innn Parameter - X-offset in arc move; integral (Ki) in PID Tuning
Jnnn Parameter - Y-offset in arc move
Dnnn Parameter - used for diameter; derivative (Kd) in PID Tuning
Hnnn Parameter - used for heater number in PID Tuning
Fnnn Feedrate in mm per minute. (Speed of print head movement)
Rnnn Parameter - used for temperatures
Qnnn Parameter - not currently used
Ennn Length of extrudate. This is exactly like X, Y and Z, but for the length of filament to consume.
Nnnn Line number. Used to request repeat transmission in the case of communications errors.
*nnn Checksum. Used to check for communications errors.

horst.w
GER
speed.png

horst.w
Posts: 819
Joined: Fri Oct 17, 2014 5:00 pm

Re: Strange printing speed with Simplify3D

Thu Nov 21, 2019 3:14 am

2. point:

the bad print quality is mainly caused by your faulty settings.

Multiplier 1,10 ??? what the exact messure of the filaments diameter; 1.75 may be only the nominal value
Restart Distance positive ??? should be negative
Coasting ???
Wiping ???
Print Temperature ???


H.

buckker
Posts: 6
Joined: Mon Nov 11, 2019 2:50 pm

Re: Strange printing speed with Simplify3D

Thu Nov 21, 2019 4:20 am

Hi Horst

Many thanks for having a look at the factory file.

The main issue is that the printer has a stop & go behavior while printing the outer perimeter during the mode "allow single extrusion walls". I think simplify calculate a wrong amount of material. As a result of this are the artifacts on the outer shell.

some print parameters could be wrong. I accidentally delete some of my profiles and had the create them new (but they aren't tested yet).

cheers Michael

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