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Revision as of 16:31, 19 October 2010
Other similar projects icrobotics.co.uk
<rss>http://samthetechie.blogspot.com/feeds/posts/default/-/25</rss>
Aim
Get a working 3d printer. Make shit. Be awesome.
Who?
What?
Delicious Links
<rss>http://feeds.delicious.com/v2/rss/samthetechie/25</rss>
3D Printer
[RepRap II: Mendel http://reprap.org/wiki/Mendel]
Mendel Specifications
The table below outlines the specifications of the machine.
| Metric | |
|---|---|
| Model | Reprap II: Mendel "Mendel" |
| Technology | FFF (Fused Filament Fabrication)/Thermoplastic extrusion |
| Price of all materials | €350 |
| Annual Service Cost | Occasional oiling = €5. It can print its own replacement printed parts at material cost. |
| Size | 500 mm (W) x 400 mm (D) x 360 mm (H) |
| Weight | 7.0 kg. |
| Build Envelope | 200 mm (W) x 200 mm (D) x 140 mm (H). |
| Materials | PLA, HDPE, ABS & more. Uses ø 3 mm filament. |
| Material Cost | PLA: €22/kg, HDPE: €11/kg, ABS: €17/kg. |
| Speed | 15.0 cm3 per hour solid (test done for PLA, similar for others). |
| Accuracy | Diameter of nozzle 0.5 mm, 2 mm min. feature size, 0.1 mm positioning accuracy, layer thickness 0.3 mm |
| Finish | Fair |
| Volume of printed parts to replicate | 1110 cm3 |
(With the standard infill settings the 15.0 cm3 per hour solid extrusion rate is equivalent to a built volume rate of 19.0 cm3 per hour.)
Consumables
Blue Decorator's Tape
PLA, HDPE, ABS Filament
Computing
Netbook with Solidworks and Reprap Host Software.
Power
Converted 300W ATX Power Supply. +12V and GND. 5A current.
Where?
Why?
How?
Development Milestones
Ordering
Obtain all the parts to make our Mendel
Check Parts List (27/6/10). Order Leftover Parts (complete 28/6/10).
Construction
Begin Construction: Build Manual Downloading and Installing RepRap on your computer
Latest build from sourceforge.
Circuit board construction
2.1 Soldering Opto Endstops x 3 (completed 1/7/10). 2.2 Soldering USB to Serial. 2.3 Makerbot Stock PCB for usage as Mendel Modification. 2.4 Modify ATX power supply with XLR connector (completed 1/7/10).
Microcontroller firmware installation
Mechanical construction
Electronic wiring
Testing
Check Electronic Wiring Check Firmware Check Mechanical Construction
Stepper Motor Drivers + Mainboard
5 Finish Testing
Commissioning
Begin printing Make first model Make first part Make first set of parts
Google Docs
Where?
London Hackspace: http://london.hackspace.org.uk/
Why?
Because we want a 3D printer!