BFB Extruders

[Matt Hoover]

Hello all,

This community probably has the most bfb machines that I can reach out to for advise, so sorry if its not a kisslicer only question.  I have a bfb 3d touch machine which I primarily used extruder 1 for many years until recently I have been having a lot of issues with feeding and temp/flow issues.  I have taken it apart as far as possible and cleaned it but am still struggling with it.  I since have switched to my second extruder as my primary so I feel that its time to buy a rebuild kit or upgrade to another style hot end.  Has anyone had success in putting a new upgraded extruder on their machine?  If you could share any feedback with me I would appreciate it.

Thanks
Matt

[toranarod]

I have the complete how to on this.  I have been using MY 3d touch with my  version of a Maker bot MK 6 nozzle.  I had the same issue with my 3d touch hot end.

They just wear out   and drift all over the place. is a combination of a few issues.    

I will write up a how to convert and supply photos. 

The 3D Touch is still a far better printer than it's replacement the CubeX.  I have both printers and with all the modification on the CubeX the 3D touch still out prints the CubeX. 

I have them sometime printing the same object side by side.  always 3D touch wins hands down.  The only reason for it is the the touch run 3 mm filament and keep better hot end feed rate because of the filament drive system. all this talk about moving all that mass of aluminium around is rubbish. 

[Matt Hoover]

Thank you so much, I have put a lot of money in the heated bed and frame rails, relocated the z home and on and on. I really like this printer and want to continue using it. I look forward to your write up. :)

Matt

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[Joerg]

 Hi

I have an Rapman and after two years and some kilos of PLA my hotend leaked, so i decided to change it. I have also built an other feeder and since then I have only few Problems with stalled filament.