Thingiverse
![B2D - a few parts modified by dms348](/previews/8278887.jpg)
B2D - a few parts modified by dms348
by Thingiverse
Last crawled date: 3 years, 2 months ago
I really love the original design of the B2D feeder. It's compact and excellently designed. There were a few improvements I made on the parts that were derived from my workflow that may be useful to others.
For 1.75mm files:
1) Nut and bolt were changed to accommodate a #10 nut with a button head screw
2) Bearing mount and spring housing were modified to have a larger finger pad to more easily squeeze the spring to manually load/unload the length of the bowden tube
3) Two alternative filament "out" parts are uploaded for either a 6mm tube collet/retaining clip, or a 4mm tube push connect fitting that comes with the E3D V6 hot end kit, or also most of the clones available on Amazon (this requires an additional M6 nut)
For 3.00mm files:
4) The in/out and bearing mount files were modified so that the filament run has a smooth curvature with a diameter of ~25cm. I had a lot of trouble using the original files on my Ultimaker Go with the last 25% of a PLA spool because the feeder kept breaking the filament with the straight run
5) The out file is for a 6mm tube collet - the same collet that the OEM Ultimaker 2/2+/Go use on their feeder
Alternative 48Tooth pulley
6) None of the 20Tooth pulleys I bought off Amazon had a 90 degree offset between the two set screws. Instead, most of them were around 98 degrees (out of ~50 pulleys, one or two was 90 degrees, and a few were even 120 degrees offset), so I modified the 48Tooth pulley file for a 98 degree set screw offset.
Alternative "remote" motor location. On my Ultimaker Go, I wanted to move the feeder up towards the top of the printer to help with the filament breaking, but didn't want to re-wire the motor and move it.
7) the "middle" and "top files are modified to allow for a larger belt (in my case, I used a 175 tooth/350mm belt) to run from the 40Tooth part to the 16Tooth pulley on the motor. See a screenshot of the CAD file with the belt run in red for the intended assembly.
8) Included a motor pulley housing
9) Included a spacer/roller part for the belt
Note: these files require additional BOM:
A) 1x longer belt to replace one of the two 130mm belts originally listed
B) 2x 11mm OD 4mm ID roller bearings
C) 1x Large M4 washer
D) 1x 4mm diameter shaft, ~30mm long
For 1.75mm files:
1) Nut and bolt were changed to accommodate a #10 nut with a button head screw
2) Bearing mount and spring housing were modified to have a larger finger pad to more easily squeeze the spring to manually load/unload the length of the bowden tube
3) Two alternative filament "out" parts are uploaded for either a 6mm tube collet/retaining clip, or a 4mm tube push connect fitting that comes with the E3D V6 hot end kit, or also most of the clones available on Amazon (this requires an additional M6 nut)
For 3.00mm files:
4) The in/out and bearing mount files were modified so that the filament run has a smooth curvature with a diameter of ~25cm. I had a lot of trouble using the original files on my Ultimaker Go with the last 25% of a PLA spool because the feeder kept breaking the filament with the straight run
5) The out file is for a 6mm tube collet - the same collet that the OEM Ultimaker 2/2+/Go use on their feeder
Alternative 48Tooth pulley
6) None of the 20Tooth pulleys I bought off Amazon had a 90 degree offset between the two set screws. Instead, most of them were around 98 degrees (out of ~50 pulleys, one or two was 90 degrees, and a few were even 120 degrees offset), so I modified the 48Tooth pulley file for a 98 degree set screw offset.
Alternative "remote" motor location. On my Ultimaker Go, I wanted to move the feeder up towards the top of the printer to help with the filament breaking, but didn't want to re-wire the motor and move it.
7) the "middle" and "top files are modified to allow for a larger belt (in my case, I used a 175 tooth/350mm belt) to run from the 40Tooth part to the 16Tooth pulley on the motor. See a screenshot of the CAD file with the belt run in red for the intended assembly.
8) Included a motor pulley housing
9) Included a spacer/roller part for the belt
Note: these files require additional BOM:
A) 1x longer belt to replace one of the two 130mm belts originally listed
B) 2x 11mm OD 4mm ID roller bearings
C) 1x Large M4 washer
D) 1x 4mm diameter shaft, ~30mm long
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