Feed problem

[sonicmor]

hi,

Hi, I finished to mount this 3d printer but i have a problem on the feeder (See the video)https://youtu.be/45IQvgkQTYc , the motor pulls the filament but it is stuck.

The hot end is not cloggled.
any one can help me?

[curious aardvark]

is the hot end actually hot ?
It can't feed filament if the hot end isn't at the right temperature

[EagleSeven]

hi,

Hi, I finished to mount this 3d printer but i have a problem on the feeder (See the video)https://youtu.be/45IQvgkQTYc , the motor pulls the filament but it is stuck.

The hot end is not cloggled.
any one can help me?

My guess is that the drive-Gear is wrong type for that size filament ?
That appears to be the Grooved type gear, may need the straight-Flat-teeth type
or larger inner-diameter grooved type,
to apply more pressure on filament ?

this is straight-teeth type we use:

drive gear.jpg

[Alibert]

There are basically two sizes of filament, 1.75mm diameter and 3 (or 2.85) mm diameter. It looks like you have a gear for 3 (or 2.85) mm filament and try to push 1.75mm filament with it?

If so, get a gear made for 1.75mm, it have a more shallow groove. Measure the outer diameter of your current gear and find a compatible one.

However, also check the rest of your extruder as to sizing. It may be that the whole thing is meant for 3mm filament and you are using a too small size?

[curious aardvark]

hadn't thought of that - nice call :-)