Custom 3D printer
by nic6911, published
The design might not be the smartest because of the use of parts I had no other use for.
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Yes, that was also a concern for me. But if I move the motor on the side of the carriage it would be off-balance resulting in high friction between the carriage and the alu-profile. That is the main reason for putting it where it is now. There is a couple of mm's of air between the belt and the J-head PTFE liner. After about 50 hours of printing the belt has not suffered any damage yet.
Only thing I am concerning about is nozzle on the middle of belt (X-Axis).
I would move it the site or turn X motor for 90 degree,
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All printed on a Printrbot Jr. with PLA
Look at the pictures to see the amount of each part to print.
New ultra light X-axis carriage for bowden extruder:
Made a 40mm fanduct that fits this specific design:
4X Corner bracket + T-nut's and bolts
8X M6 T-nut slot 10
2X T2.5 16 tooth timing pulley
T2.5 timing belt
4X 32mmBulldog clips
6X 608Z Bearings
8X LM8UU bearings
2X 500mm 8mm Threaded rod
2X 8mm Coupling Nut
2X 450mm Smooth rod 8mm
2X 500mm Smooth rod 8mm
240x240 6mm MDF for the bed
Various 3, 4, 6 and 8mm nuts and bolts
Arduino Mega 2560
5X Nema17 Steppers
3X Limit switch
Heatbead w. glass plate
40mm Fan for cooling the extruder stepper
PC power supply
Housing for ramps: thingiverse.com/thing:28210
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