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Re: Prusa i3 acrylic extruder problem
Posted: Thu Mar 05, 2015 2:10 pm
by Admin
There are 3 caps under each A4988.
Check if the extruder motor is broken:
Connect the wire to either interface on the mainboard for X,Y or Z motors.
Re: Prusa i3 acrylic extruder problem
Posted: Thu Mar 05, 2015 2:17 pm
by Multipicture
Yes all of the caps in place .. I have tried it before and the motor worked .. I can try IT again later today to be shure
Re: Prusa i3 acrylic extruder problem
Posted: Thu Mar 05, 2015 2:34 pm
by Admin
(⊙_⊙)
Could you please take a video and upload it ?
Re: Prusa i3 acrylic extruder problem
Posted: Thu Mar 05, 2015 3:07 pm
by Multipicture
Here is a link to a video
http://youtu.be/Ewg7F06GB3g
You see when I help feeding the motor is turning
Re: Prusa i3 acrylic extruder problem
Posted: Thu Mar 05, 2015 5:17 pm
by zhangxueyou
Check your private message or email.
Re: Prusa i3 acrylic extruder problem
Posted: Sat Apr 04, 2015 9:17 am
by hamboner
I am having a similar problem, what was the outcome of this?
Re: Prusa i3 acrylic extruder problem
Posted: Sat Apr 04, 2015 2:07 pm
by zhangxueyou
hamboner wrote:I am having a similar problem, what was the outcome of this?
Are all the jumper caps plugged under extruder's motor driver?
Re: Prusa i3 acrylic extruder problem
Posted: Sun Apr 05, 2015 10:33 am
by hamboner
Yes, they are all installed. It works sometimes, but other times it just binds and stutters like shown in the video.
Re: Prusa i3 acrylic extruder problem
Posted: Wed Apr 08, 2015 4:03 pm
by zhangxueyou
hamboner wrote:Yes, they are all installed. It works sometimes, but other times it just binds and stutters like shown in the video.
How is the temperature of extruder?
Re: Prusa i3 acrylic extruder problem
Posted: Fri Apr 10, 2015 11:15 am
by hamboner
It seemed that i had a handful of issues that are now mostly solved. I got a caliper that measures to .01mm and turned out my filament was closer to 1.81mm (vs the 1.68mm default in slic3r). I think the default manual feed speed in repetier was too high for the nozzle size (0.3mm) so it was skipping. I was also having some issues with my filament coming off the spool and therefore not feeding properly. I mounted the spool next to the lcd on the top rail and that has seemed to help as well.
I will say that after a few hours the extruder support piece is sagging like others have complained about. I had to run a zip tie from the extruder feed screw to the carriage bracket in order to stabilize the extruder enough to print a replacement.
Is there a solution to the sagging extruder support? Updated design? Print out of ABS instead of PLA?