ABS and Makerbot 5th gen

[Susan Butler]

Has anyone tried printing with ABS on their Makerbot 5th gen?   Does anyone have setting recommendations to make this work?

[Steve Johnstone]

Hi Susan,

Have a look at Davids post, he seemed to be having some success with ABS - LINK

[David K.]

Susan, I did have some success, but I have a Z18 machine and am able to heat the chamber.  I am not sure how good the results would be on the standard machine or the mini without a heated bed or chamber.  I would expect the ABS to warp.  I think there may also be an issue with the cooling fan for the filament vs the cooling fan for the hot end.

[David K.]

Looks like Makerbot has separate fans for cooling the hot end and cooling the filament.  I found this link showing a teardown.  You will need to turn off the filament fan when printing ABS.

[Susan Butler]

Thanks!  In the desktop custom profiles there are Fan Control Setting for the "active cooling fan".  Do you know if the "active cooling fan" is the filament fan or the extruder cooling fan?  Based on the teardown link, I'm guessing it is the filament fan but I can't be sure.

[tramalot]

yes set it to false

"doFanCommand": false,

,

[Jetguy]

You cannot EVER control the internal cooling fan for the thermal barrier. That is ONLY firmware controlled and turned on whenever the heat block is above 50C. Software cannot change any setting for that fan.

So, any fan option you ever see in software is going to control the fan that blows on the print AKA the fan on the bottom of the extruder.

On Friday, October 31, 2014 1:16:18 PM UTC-4, Susan Butler wrote: