Cold nozzles reading 240° C

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Vicky@Raise3D
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Re: Cold nozzles reading 240° C

Postby Vicky@Raise3D » Mon Sep 17, 2018 11:42 pm

Ilia T wrote:
Vicky@Raise3D wrote:
Ilia T wrote:Yes, we have Raise3D premium filament. We printed 2 big parts with Raise3D premium filament after that eSun filament print and they were printed with no issues.


May I ask some picture of the print result of test cube by Raise3D Premium PLA with ideaMaker standard default setting?


Hello. Here is test cube print I did today with Raise 3D Premium Gray PLA filament and with standard default settings in IdeaMaker.


The extrusion of Raise3D PLA looks fine, and actually it looks over-extrusion.
BTW, did you remember which height you have jam with Esun PLA at?

Ilia T
Posts: 11
Joined: Thu Aug 23, 2018 8:18 pm

Re: Cold nozzles reading 240° C

Postby Ilia T » Tue Sep 18, 2018 5:40 pm

Vicky@Raise3D wrote:
Ilia T wrote:
Vicky@Raise3D wrote:
May I ask some picture of the print result of test cube by Raise3D Premium PLA with ideaMaker standard default setting?


Hello. Here is test cube print I did today with Raise 3D Premium Gray PLA filament and with standard default settings in IdeaMaker.


The extrusion of Raise3D PLA looks fine, and actually it looks over-extrusion.
BTW, did you remember which height you have jam with Esun PLA at?

Here is the part. Jam happened at 9.1 mm

Image

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Vicky@Raise3D
Posts: 4305
Joined: Fri Mar 25, 2016 3:54 am

Re: Cold nozzles reading 240° C

Postby Vicky@Raise3D » Tue Sep 18, 2018 11:41 pm

Ilia T wrote:
Vicky@Raise3D wrote:
Ilia T wrote:
Hello. Here is test cube print I did today with Raise 3D Premium Gray PLA filament and with standard default settings in IdeaMaker.


The extrusion of Raise3D PLA looks fine, and actually it looks over-extrusion.
BTW, did you remember which height you have jam with Esun PLA at?

Here is the part. Jam happened at 9.1 mm


Sorry, maybe I didn't ask clearly. I want to know which height of extruder was the clog happen at? Nozzle? Hotend? Extruder? Filament Monitor? Or at middle or higher, lower to some specific parts?

Ilia T
Posts: 11
Joined: Thu Aug 23, 2018 8:18 pm

Re: Cold nozzles reading 240° C

Postby Ilia T » Thu Sep 20, 2018 7:21 pm

I do not know, but when I performed filament extraction I had to remove filament sensor to be able to remove filament because of the filament bottom area was melted and diameter of the melted area was bigger than sensor tube internal diameter. I attached new filament with no issues. The area of the jammed filament where gears are engaging was rubbed off.

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Vicky@Raise3D
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Re: Cold nozzles reading 240° C

Postby Vicky@Raise3D » Fri Sep 21, 2018 7:12 pm

Have you ever tried pre-loading more filament before unloading?
If it is always around the feeding gear, it may due to the filament itself is sensitive to temperature from motor. We will try to figure out a solution for this.

Foundryman
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Joined: Fri Aug 31, 2018 12:50 pm

Re: Cold nozzles reading 240° C

Postby Foundryman » Fri Sep 28, 2018 12:18 pm

I am considering getting a Pro 2 for printing PLA for investment casting. The problems described on this thread are worrying me. If the only material I plan on printing is PLA/PVA should I be worried?

Ilia T
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Joined: Thu Aug 23, 2018 8:18 pm

Re: Cold nozzles reading 240° C

Postby Ilia T » Tue Oct 02, 2018 6:25 pm

I think this is not material problem. You probably should be worried if you are planning to print any material.

I tried a few times preloading jammed filament before unloading it but unsuccessfully. It also makes it difficult to remove jammed filament if you preload it before unloading. I also see no reason to preload jammed filament because of the gears teeth shaves off the filament section completely and geometry of filament wire in that area is corrupter and the filament squished in the area near the gears. It just makes it worst because of now it can stuck in the teflon tube.

But anyway, after restricting the multiple colored wires harness we had not jammed filament issues printing with Raise 3D Premium filament yet.


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