Automatic Print Ejector - The Punching Machine
by MatterHackers, published
Achieve 3D printer autonomy by adding an Automatic Print Ejector to your machine. This mechanism will knock the printed part off the bed when it is finished printing. We like to call it the punching machine, Check the video above to see why.
For a complete component list and assembly instructions head to this write up: http://www.matterhackers.com/store/digital-designs/automatic-print-ejector-the-punching-machine
Developed by the MatterHackers Engineering Team - the Punching Machine gives your printer the ability to remove the printed part from the bed without any human interaction. See it in action Here: https://www.youtube.com/watch?v=Viy928RLsdU
- Printing Recommendations -
All parts were printed with MatterHackers Pro Series PLA. http://www.matterhackers.com/store/3d-printer-filament?t=1.75mm%20PRO%20Series%20PLA
Recommended Print settings:
- Layer Height: 0.2 mm Layers
- Perimeters: 2 Perimeters
- 30% Infill
Head here for detailed instructions including wiring diagrams and code: http://www.matterhackers.com/articles/learn-how-to-punch-pesky-prints-off-the-bed-with-the-automatic-print-ejector
COMPONENT LIST (What you will need)
Printed Parts: http://www.matterhackers.com/store/digital-designs/automatic-print-ejector-the-punching-machine
1×NEMA 17 Stepper Motor
1×Polulu Stepper Motor Driver
1×OpenBeam 24 cm Extrusion
34×623ZZ Ball Bearings3mm ID, 9.5mm OD
14×M3 x 12 Bolts
2×M3 x 20 Bolts
18×M3 x 8 Bolts
Thanks to the designers of the boxing glove (http://www.123dapp.com/123c-3D-Model/Boxing-Gloves/592887) and wades small gear (https://github.com/nophead/Mendel90/blob/master/mendel/stls/wades_small_gear.stl) for the use of the parts/modified parts in our final machine.
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Automatic Print Ejector - The Punching Machine by MatterHackers is licensed under the Creative Commons - Attribution - Non-Commercial license.
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