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Topic: Newest Soldidoodle S4 Extruders not feeding filament

I just got one of the latest models with the new extruder. I believe the gear is new as well, since its has shallow teeth and is sunken in the middle like a notch for the filament. Anyways I cannont get it to feed consistently. If I watch the print as it is feeding and I see the gear move but not the bearing I can push down on the filament and it will catch and feed for awhile. Ive added some material in the spring holders to give it more tension and when that kinda worked I just put the lever as far as it would go against the filament and tightened the screw. This seems to have mostly fixed the problem but Ive still had it fail to feed at one point or another and if Im not watching it there goes the print. Im on try #4 of the spool mount with the latest mod and seeing where that gets me.

What I would really like is just the old feeder setup because it worked great. Is anyone having this problem as well?

2 (edited by jagowilson 2014-10-06 00:56:12)

Re: Newest Soldidoodle S4 Extruders not feeding filament

I've never had an issue with this on the SD4. Can you post a picture of the front of your extruder motor where the hotend is/where the filament is visible in the drive gear? That might help. Sounds like your spring isn't the right size or something. Really unfortunate that you'd experience that with a new printer...

Also, it's a new printer, so there's no chance your barrel or nozzle is clogged, right? Is it failing to feed, or is it clicking and stripping filament?

Edit: One final thought. When you feed filament through, make 100% sure that it is aligned correctly between the gears, and do not give it any force after the teeth catch. If you do either of these things, you'll have feeding troubles. The first few times I tried to feed filament on this thing, I had it looping all over, busting and sending dust everywhere. Mess.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

No i I dont think its clogged...I mean I can easily push it through by hand, and when it stops feeding just pushing down on the filament as it prints will get it going again..........But you cant sit there and watch each print without blinking you know?. But like I said even adding pressure to the spring didnt completley solve it. Ive had the best luck with Putting as much pressure as possible on it and tightening the screw so it doesnt move back.

4 (edited by trinium42 2014-10-06 01:01:00)

Re: Newest Soldidoodle S4 Extruders not feeding filament

Ive attached the pic

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5 (edited by jagowilson 2014-10-06 01:15:33)

Re: Newest Soldidoodle S4 Extruders not feeding filament

Whoa. That spring is wayyyyy too big. With filament in place, the black piece on top should be about level with the extruder motor. See my picture on the other thread of how it *should* look with filament loaded. Also, try using the brush that came with the printer to clean the teeth of the drive gear. If there is any filament dust on them, it will not grip and will slip and shred filament.

Edit: To clarify, if that's how your spring looks without any modification, I'd email Solidoodle support right away, because that is definitely not right. Mine sits level with the extruder motor with filament loaded (1.75mm), and I have never had this issue. If anything, there might be too much pressure on the filament.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

No thats with the lever forced to the top and screwed there. Anything less and the filament wont feed. Ive taken the feeder gear off and soaked in acetone and brushed it clean but it doesnt help. The only thing I can think off is they started used a different gear and it just doesnt have the bite that the old one did. If you could send me a pic of your gear it would help me out allot and possibly if Im right I will know what the problem is. I just need to see the teeth of the gear and how far beveled in the channel for the filament is. I think on the old design it was just a gear with no channel in the middle......that way I would have to put so much tension on it to get it to bite.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

I posted a pic for you in my other thread.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

http://www.soliforum.com/misc.php?actio … mp;preview

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Just to be clear, if I let any pressure off it, it will not feed. the gear just spins freely and the bearing doesnt move. I can easily push filament through by hand with the spring down though so its not a clog.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

1) Check if the spring is in the right position, it seems too high.
2) If the motor works?
3) Clean the filament dust, when hot end temp. Raised to 215c-220c,
Push the filament down by hand, or extrude the filament.
4) Check the quality of the filament, and change the filament to test.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Ive done all of the above. Tried 3 kinds of solidoodle ABS and some other ABS. Pushing it down is not a problem, in fact when it stops feeding I just push down a bit on the filament and it will star for a while. Soaked the gear in Acetone for the night and cleared the dust....but just telling it to extrude 100mm it will do 10, then stop, then start. You can always tell when its not fedding because the bearing oposoite the gear stops spinning.

So I put a some washer above and below the spring (which is why it looks that way) and that gave me better results, but still it would stop and start in the middle of prints.I finally just loosened it up, pulled it as far up (and against the gear) as it would go and now it seams to print ok. So Idk why it needs so much pressure...its like something in the fulcrum is off. I wish I could find the older setup because that worked great.....But my printer broke and I got the newer model which is built much better and actually uses whole belts instead of trying to put a screw through a belt.....BUT obviously theres something wrong. IT shouldnt need that much pressure to keep feeding!

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Like I said this isn't a typical issue. If you email support sand can get through their barrage of annoying tests they might replace the idler. (If that's what it's still called).

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Trinium42,

I do not have an SD4, but in your photo of the L-shaped idler arm, the pivot screw(with the bright zinc washer) on the top right does not seem to be centered with the hole in the arm.  Looks to me like the hole in the arm is larger than the screw body(you can see the edge of the hole slightly under the washer.  This would greatly diminish your holding force. 

I could be all wet here, but is there a bushing that is missing or something?

SD2 - Stock - Enclosure - Heated Bed - Glass Plate - Auto Fire Extinguisher
Ord Bot Hadron - RAMPS 1.4 - Bulldog XL - E3D v6 - 10" x 10" PCB Heated Build w/SSR - Glass Plate
Thanks for All of Your Help!

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Oh yeah that hole is HUGE...I mean the washer bearly covers it. I know people have been printing there own extruder mounts for the SD4....maybe I should just try one of those.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Good eye, I didn't even notice that last night. Geez.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Im not sure if it's missing, but there should be one there. Explains exactly why the first few prints were great and then it all went to hell. I build drones and I used one of Hexagonal spacers that are used between plates to stack one on top of of another. Same screw size in the middle and fit snugly in the hole. Now after cleaning it again and putting it back on the lever stays where it should which puts the fulcrum point at the right place to provide the needed pressure without having to Tighten it down constantly.

So what must have happend was it got put on at the factory with the screw in the middle. Then After using the lever a few times switching between colors it slipped and would not feed. I am happy about having one of the newest SD4 printers (my old one broke) because now I have belts that are one piece and there are no screw holed in each one. There also guided better in the new Carriages so the whole thing moves around much smoother. Plus I got the beefy gear holders from the start and they actually used loctite this time!

I think if you printed out the new carriages and got the new belts you could convert to the new style. Plus you can print out the bigger gear holders as well before they fail......because when mine failed the belt got stuck under something and the printer kept yanking on it which bent something. So a bigger holder and a washer is a good idea to do sooner rather then later.

Oh and one more thing....for the z Axis wheel the screw simply isnt long enough, and even all the way down the bed will hit the wheel before it stops. I added another one of my barrels to the screws end and hits the relay much earlier allowing me to have a 1/4" glass bed and still have the springs up. Plus tomorrow my new E3d V6 hot end will be here! Ive been looking forward to that for awhile. The V6 is shorter and is supposed to work miracles so hopefully that is true. The company sells the V6 on ebay for 78.95 Shipped or on the web for $99.

17 (edited by n2ri 2014-10-14 14:06:13)

Re: Newest Soldidoodle S4 Extruders not feeding filament

could all these SD4 flow issues be related to PLA use then swapping back ABS?

I also thought the whole head assembly looks home made, not factory. if it came from SD like that Id complain to them. even the fan is mounted weird.

Solidoodle 2 with Deluxe kit cover & glass bed with heater. and 2nd board SD2 used not 3rd and alum platform not installed yet still wood. also need cooling fan installed to board. use Repetier Host couple vers. Slic3r also have all free ware STL programs

18 (edited by jagowilson 2014-10-14 20:56:06)

Re: Newest Soldidoodle S4 Extruders not feeding filament

It's not from PLA, it's just a cheap design. I think with minor improvement it could be awesome, but it needs modification from the factory. Better than the acrylic nightmare I keep hearing about, even if it did work better. All these folks need to do is put in a spacer or find a larger spring. Worked for me. The design is so simple that this is really all it takes, once you figure it out. Need a sticky.

Many SD4 fans come broken too. Just the way of the game with these printers. Honestly there are so many differences between prior printers and so many problems with the SD4 that we need a sticky about them. They are a pain. Mine gives me joy most of the time, but luckily I'm running out of components to mod or repair. I think I know how all of it works now...

Soon, I plan to write the missing SD4 manual, but I'm debating it because the press will probably phase it out pretty quick.

Edit: Hahahaha. I forgot I posted in this thread about this never happening to me. Well, it bit me in the ass big time!

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Re: Newest Soldidoodle S4 Extruders not feeding filament

IronMan wrote:

Trinium42,

I do not have an SD4, but in your photo of the L-shaped idler arm, the pivot screw(with the bright zinc washer) on the top right does not seem to be centered with the hole in the arm.  Looks to me like the hole in the arm is larger than the screw body(you can see the edge of the hole slightly under the washer.  This would greatly diminish your holding force. 

I could be all wet here, but is there a bushing that is missing or something?

IronMan, good eye. It looks like Trinium42 is missing the long tube that fits inside the swing arm. Take a look at the photos to have a better idea of what I mean.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

seems they not only need packaging help but assembly help as well as quality control.

Solidoodle 2 with Deluxe kit cover & glass bed with heater. and 2nd board SD2 used not 3rd and alum platform not installed yet still wood. also need cooling fan installed to board. use Repetier Host couple vers. Slic3r also have all free ware STL programs

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Re: Newest Soldidoodle S4 Extruders not feeding filament

They do have some good people over there. A guy named dave went above and beyond to help me....but I think theres like 5 revisions of the S4 and the Press is going to have all preformed parts so thats probably going to make things better. I imagine that one with the solitouch sensor will be really easy to print on...I mean have you seen that video of it printing out 3 objects on a bed thats leaning a half inch to the side? If you dont know it has that sensor on the end that sticks out beyond the nozzle and maps the whole platform (which is glass from the factory)

I got my V6 e3d hot end today and I thought I would just be able to plug it in but theres these heatsink type rings on the top that make it to big to go through the hole! But my neighbor is going to grind that part down to the same size as the plastic piece that normally goes in there. Hopefully after that Ill be able to print with much better quality....its a very well built extruder and by the looks of it I dont think it would clog nearley as easily.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Can't wait to get an e3d. Even if it does clog, it's not as big a deal if I understand. Plus, definitely gotta start using some more interesting material.

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Re: Newest Soldidoodle S4 Extruders not feeding filament

trinium42 wrote:

I got my V6 e3d hot end today and I thought I would just be able to plug it in but theres these heatsink type rings on the top that make it to big to go through the hole! But my neighbor is going to grind that part down to the same size as the plastic piece that normally goes in there. Hopefully after that Ill be able to print with much better quality....its a very well built extruder and by the looks of it I dont think it would clog nearley as easily.

Don't grind the heatsink of the E3D! Print an appropriate mount.

http://www.soliforum.com/topic/7935/e3d … -question/

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Well Unfortunately my other end is broken so I cant print anything. I would like to wait....but the top 2 rings Im talking about are above the main heat sink and I think are made to help it mount.....And The mounting screw will work just fine to hold it in place. so I dont think it will be much of a problem. That mount is nice though.....

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Re: Newest Soldidoodle S4 Extruders not feeding filament

Besides I just checked it out and I can order a new heatsink for about $15. So this will get me printing again and Ill order the extra heatsink just to have on standby