Bill of Materials
Laser cutting
For BrailleRAP
2 600mm x 400mm 5mm plywood sheets.
- The laser cut svg files are available herehttps://github.com/BrailleRap/BrailleRap/tree/master/lasercut
lasercut/Braillerap_v6-5-1_600x400-planche1.svg
lasercut/Braillerap_v6-5-1-600x400-planche2.svg
For BrailleRAP XL
2 900mm x 400mm 5mm plywood sheets.
- The laser cut svg files are available herehttps://github.com/BrailleRap/BrailleRap/tree/master/lasercut
lasercut/brapxl-v6.6-planche1_900x400.svg
lasercut/brapxl-v6-6-planche2_900x400.svg
Printed parts
All printed parts are printed in ABS, 50% infill, 3 outside perimeters. We use eSun ABS Natural filament.
The stl files are available here : https://github.com/braillerap/BrailleRap/tree/master/printed_parts
Mechanical parts
For BrailleRAP
Qty |
Type |
|---|---|
4 |
Linear rod 8mm diameter 330 mm length |
1 |
Linear rod 8mm diameter 365 mm length |
1 |
Linear rod 8mm diameter 100 mm length |
2 |
GT2 belt 630 mm |
3 |
O-ring 15.1 mm inside diameter 20.5 mm outside diameter (15.1 x 20.5 x 2.7) |
3 |
GT2 tensioner springs |
… |
For BrailleRAP XL
Qty |
Type |
|---|---|
4 |
Linear rod 8mm diameter 470 mm length |
1 |
Linear rod 8mm diameter 505 mm length |
1 |
Linear rod 8mm diameter 100 mm length |
2 |
GT2 belt 960 mm |
4 |
O-ring 15.1 mm inside diameter 20.5 mm outside diameter (15.1 x 20.5 x 2.7) |
4 |
GT2 tensioner springs |
… |
Common parts BrailleRAP XL / BrailleRAP
Qty |
Type |
|---|---|
6 |
RJ4JP-01-08 polymer linear bushing |
3 |
GT2 pulley 20 teeth 8mm bore |
2 |
GT2 free pulley 20 teeth bore 3mm (with bearing) |
1 |
GT2 pulley 20 teeth 5mm bore |
2 |
KP08 linear bearing for 8mm linear shaft |
2 |
KFL08 vertical bearing for 8mm linear shaft |
1 |
5mm/8mm flexible motor coupling |
1 |
Closed GT2 belt 200 mm |
10 |
2.5 x 160 mm zip ties |
… |
Controller board
You can use one of the following :
MKS GEN 1.4 (Mega2560) board and 2 DRV8825 drivers https://github.com/makerbase-mks
MKS GEN-L (Mega2560) board and 2 DRV8825 drivers https://github.com/makerbase-mks
MKS TinyBee (ESP32) board and 2 TMC2209 drivers https://github.com/makerbase-mks
Many other board configurations will work, but you’ll need to build the firmware for them.
Electronics
Qty |
Type |
|---|---|
2 |
Nema 17 Motors 40N/cm 40mm with cables (17HS4401). |
1 |
Solenoid tau-826b 12V 2A. |
1 |
MKS GEN 1.4 board or Ramps 1.4 compatible or MKS GEN L 2.1 https://github.com/makerbase-mks. |
2 |
DRV8825 drivers with heat sinks. |
1 |
Flyback diode 1N4004 or equivalent (12v 2A) (only for MKS GEN 1.4). |
2 |
End switches wired as in building manual. (OMRON SS-5GL or equivalent) |
1 |
2.5mm Female power supply jack. |
1 |
12V 6A power supply with jack 2.5mm. |