SB47 Belted Extruder

The latest version of lightweight belted extruder for the SquareBOT project and others. A quick release mount plate for the MGN12H carriage included (SquareBOT). Works perfectly. Gear ratio 1:4. Designed to work with 1.75 filament.
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BOM:
- Stepper motor: NEMA16/17, 20-26mm ("pancake").
- Timing belt: GT2 79 teeth (158mm).
- Timing pulley for the motor: GT2 16T.
- Printable timing pulley: GT2 64T.
- Ball Bearings: F685ZZ (w. flange) - 2pcs., V625ZZ (V-groove 1mm) - 1pcs.
- Bearing guidlers: 10 and 26mm pins 5mm diam.
- Feed gear: d1 8mm, d2 12mm, bore 5mm, height 14mm, 1mm groove (1.75 filament).
- Extruder spring: 7mm diam.18-22mm
- HotEnd: E3D V6 compatible (bowden/long-distance preferable).
- Nuts and screws M3, PTFE and brass M3 inserts (5x8mm), ...