1 Topic by mark.burhop

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Topic: SD2 and ABS. How hard can it be? Arrrrrg! Help!

I've been printing with my SD2 in PLA for years.  I'm a master of PLA smile  Lately, I've been giving away a few prints to kids and you can guess what happens....drop it on a hard floor and it breaks.  So how hard can a switch to ABS be?

1. I pull up the ABS profile for Slicer/RepitierHost and I get very rough deposition and shavings where the drive is pushing the filament into the nozzle.

2. OK, temperature is too low or I'm pushing it in too fast or a partial clog. I raise the temperature and start getting MAXTEMP errors at about 207 degrees (plus or minus) and the job quits. The extruded filament looks thick but maybe that is just ABS (PLA gets kind of runny). It is brand new ABS (no moisture).

3.  I did a few searches for MAXTEMP, ABS, etc.  I'm sure there is something on the forum but I haven't been able to find it.

Anyone want to point me in the right direction on what to try next? Maybe there is a good thread I missed in the forum or some settings that are better than the default?

SD2, glass bed, MK5 setup with E3D lite extruder
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2 Reply by n2ri

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

been running my SD2 same as you for years but ABS. seems temps dont read exact due to poor thermister location. I run at 195c extruder and 80c bed. does great also do flow rate calc on filament and be sure all is set for ABS and bed temp has to stay warm all layers not just 1st like PLA.

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

3 Reply by carl_m1968

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

Also make sure if your printer is  open to put it in a location where drafts like from air vents will not hit it. The temp around the printing area needs to stay stable for ABS to work well. That's why you see some printers are enclosed.

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4 Reply by jagowilson (edited by jagowilson 2015-10-16 22:28:51)

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

mark.burhop wrote:

Anyone want to point me in the right direction on what to try next? Maybe there is a good thread I missed in the forum or some settings that are better than the default?

Sounds to me like your hotend clogged up, or there isn't enough tension on the filament. Can you still extrude PLA?

There's a sticky in this forum for clogged SD2-variety hotends.

5 Reply by n2ri

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

jagowilson wrote:
mark.burhop wrote:

Anyone want to point me in the right direction on what to try next? Maybe there is a good thread I missed in the forum or some settings that are better than the default?

Sounds to me like your hotend clogged up, or there isn't enough tension on the filament. Can you still extrude PLA?

There's a sticky in this forum for clogged SD2-variety hotends.

not clogged just too cold for ABS at PLA temps. and if he didnt push all PLA out while changing to ABS and temps got too hot then PLA may have burned/crystallized some which can be worse than a clog. SD2 hotends not good for swapping between ABS/PLA due to how its made.

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

6 Reply by poorspartin117

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

your extruder should be 205c - 215c. ( mines 210 ), with a bed temp at 110. sounds like you have a clog ( i have bought 3 seperate extruder hot ends because i was running at temps for the previous motherboard, i thought i had the old one, i dont i have the new one). it sucks but move your temps up and use a clean hot end. once the temps are correct and the plastic is extruding properly, then all you should have to do is level the print bed and use some abs glue to hold the first layer down and you should be good to go.

7 Reply by AZERATE

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

I agree with the clog theory. Going from PLA to ABS isn't the issue here. It going from ABS to PLA....and potentially ABS again. Moving PLA to ABS is just a step of upping the temp for a few minutes and ramming something through to clear out any debris. If you have any ABS left in the hotend before switching to PLA, then the new debris will only get worse as PLA moves around it. Since PLA more runny than ABS, you can run for awhile without noticing. But it would be obvious when moving back to higher temp materials.

PLA can be printed without an enclosure, but you need one for ABS to keep the heat in.

Clear your clog by removing the barrel from the PEEK. When dealing with a potential clog, I would advise stripping it all down: remove barrel and nozzle from the heating block. use a butane torch to heat then clear with a straightened wire coat hanger. For the nozzle, heat the point up as much as you like, scrape/push out what you can, then drop into acetone for an hour once it has cooled

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8 Reply by mark.burhop (edited by mark.burhop 2015-10-18 19:47:01)

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

So, I switched back to PLA, and it worked fine which is confusing me.  In any case,  I'm kind of at the clog conclusion too sad

For reference, here is my last attempt.... Nowto go clean my nozzle....where is that butane torch (my garage is a mess)...

http://soliforum.com/i/?jQ7zCWR.jpg
http://soliforum.com/i/?Mm8ovzW.jpg
http://soliforum.com/i/?RY8tZJ2.jpg
http://soliforum.com/i/?oNyLfAy.jpg

SD2, glass bed, MK5 setup with E3D lite extruder
NX and Solid Edge CAD user
PI, Galileo, and arduino hacker
Code Monkey and Twitter user @burhop

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9 Reply by mark.burhop

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

OK, I cleaned the nozzle until is was brand new (butane, Acetone, the whole 9 yards)  Taped it all up, re-leveled my bed, and I am exactly where I started.

Here is a simple Vine of my problem.   Note I'm at 200C, just extruding at 84mm/min. I also removed the fan.  Initially, extruding is running, then it pauses for a few seconds, then starts again (you can click on the image to pause it):

https://vine.co/v/e9r9lAOOHTv

I've adjusted the tension about 100 times so that is not it.  I've also cleaned the driver teeth. If I set it high, it just shaves off bits of the filament... Too loose and it just stops.


So, what is next?  Flashing it board with a higher MAXTEMP? 

SD2, glass bed, MK5 setup with E3D lite extruder
NX and Solid Edge CAD user
PI, Galileo, and arduino hacker
Code Monkey and Twitter user @burhop

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10 Reply by wardjr

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

Ok Mark, this is my absolute best advice.  You've been around for a long while and I know you know your way around a printer.  Throw that hot end in the garbage along with that filament.  I once had a roll of SD red that did the exact same thing.  It is most definitely time for an E3d upgrade and at the price of the LITE6 why deal with the frustration.  I will personally help you with any and all steps required.  That leaves you with no excuses wink

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11 Reply by AZERATE

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

+1 to what wardjr said.

I had the exact thing happen until he convinced me to upgrade. He told me I wouldn't regret it, and he was dead right.
I haven't had those symptoms since.

Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
Filawinder and Filastruder #1870.....worth every penny!

12 Reply by mark.burhop

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

@wardJr  OK, I'm looking for a project.  Thanks for your kind offer to help smile  @azerate, thanks for your support too.

Since I'm in the US, I found it at filastruder http://www.filastruder.com/products/lite6  I'm guessing I need the 1.75 direct 12 volt version.

SD2, glass bed, MK5 setup with E3D lite extruder
NX and Solid Edge CAD user
PI, Galileo, and arduino hacker
Code Monkey and Twitter user @burhop

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13 Reply by AZERATE

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

Yup!

Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
Filawinder and Filastruder #1870.....worth every penny!

14 Reply by mark.burhop

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

I've ordered E3D Lite6 so I started seeing what I need to do for the upgrade.  Any chance the existing power supply will work or do I need to get a new one?

SD2, glass bed, MK5 setup with E3D lite extruder
NX and Solid Edge CAD user
PI, Galileo, and arduino hacker
Code Monkey and Twitter user @burhop

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15 Reply by elmoret

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Re: SD2 and ABS. How hard can it be? Arrrrrg! Help!

Existing power supply is fine.

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