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PostPosted: Sun Jun 18, 2017 10:19 am 
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Location: Nederland
I have a problem, each time the print quality is different, Without changing the settings or hardware, and with the same gco file and the same place on the printbed

One time I get holes on the side of the print, and the other time not (see photo's)

Image

Image

When I print larger areas, I never have this problem (see photo)

Image

Sometimes he also puts two lines right next to each other, instead of at each other (see video)
Don't pay attention on the lines between but only the line it is printing

https://youtu.be/gr_9qnjHim0

Does this come from the Vertex Repetier V1.6.2 software?
And would that be solved with simplify3d software?
Or is it the printer hardware which causes this ?

I hope somebody can help me to solve this problem


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PostPosted: Sun Jun 18, 2017 9:06 pm 
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Dear Eric,

I agree with you that for the same gcode file the print results should be more or less identical, independent from the program which has generated these files.

So if you state the identical hardware, settings etc. I can only suggest an improper setting which can cause some unreproducibility.

The effect on the clip may be caused by a too large distance for the first layer: poor adhesion of the first line, which will be shifted aside by the second one. You may check the leveling of the bed and the first layer settings in your slicer.

From your clip I saw that you are printing with a high print speed. I personally didn't manage to get good prints at high speed. From the picture of the large area print I can see some irregularities, which I would address to slipping of the filament. This can be heard by a irregular clicking in the extruder. If this happens, some material is missing to fill the area, generating such voids in the prints. So check if this happens, this can explain your effects.


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PostPosted: Sun Jun 18, 2017 10:13 pm 
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Thanks for your reply

The large area print Is in reality from very good quality (If all of my prints are so I'm very happy).
This is the same print but otherwise photographed

Image

The print speed ar the default settings that Velleman prescribed in the Vertex Repetier V1.6.2 software


Edite: I have changed my settings in the Vertex Repetier V1.6.2 software (printing speed & first layer options), and now it's much better (Thank you very much for your advice)
Is there a place where you can find the best setting for the K8400 and Vertex Repetier V1.6.2 software ?

I do not understand why Velleman does not give better settings in the Vertex Repetier V1.6.2 software


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