Graber++

thingiverse

Enhanced version of the LC Graber printer. Adds enhancements in the DXF file for quick assembly. Features : uniform screw length ( also Y-motor ) side casing , to hold printer electronics and hide cables room and holes for optionally adding a Raspberry Pi ( octopi ) adjustable Z-stop holder ergonomic Y-base with standoffs in acryl to mount your heated bed spool holder Some hints on how to assemble it : ( Google plus album with comments ) : https://plus.google.com/photos/115690326669403396385/albums/6088528423505737665 Instructions The file graber++-v3.0.dxf is the most current iteration. BOM : +---------------------------------------+-----------------------------------------------------+----------+ element function quantity +---------------------------------------+-----------------------------------------------------+----------+ Rods +---------------------------------------+-----------------------------------------------------+----------+ 340mm of 8mm smooth rods Y/Z axis rods 4 +---------------------------------------+-----------------------------------------------------+----------+ 400mm of 8mm smooth rods Z axis rods 2 +---------------------------------------+-----------------------------------------------------+----------+ +---------------------------------------+-----------------------------------------------------+----------+ | 333mm m5 threaded rod | Z axis movement (leadscrews) | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | Bearings | | | +---------------------------------------+-----------------------------------------------------+----------+ | LM8UU linear bearings (SKF: LBBR8) | 4x X-axis, 4x Y-axis, 4x Z-axis | 12 | +---------------------------------------+-----------------------------------------------------+----------+ | 608ZZ bearings | 1 for the X-axis idler, 1 for y axis | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | Screws & nuts | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 10mm | 3 X-motor, 8 Z-motor, 3 Y-motor | 14 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 12mm | motors to base + belt clips | 8 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 30mm | attach heatbed | 4 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 40mm | attach bed to rods | 6 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 nuts | belt clips | 4 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | attach heatbed | 4 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M3 o-rings | X-motor | 3 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M4 70mm | Z-setscrew | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | M4 16mm | base | 36 | +---------------------------------------+-----------------------------------------------------+----------+ | M4 30mm ( of 40mm ) | extruder to carriage | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M4 nuts | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M5 nuts | z-rods - lift of X-carriage | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | M8 o-rings | extruder | 5 | +---------------------------------------+-----------------------------------------------------+----------+ | M8 40mm | X-idler , Y-idler | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | Other | | | +---------------------------------------+-----------------------------------------------------+----------+ | inches of ~5mm ID Rubber Tubing | Z-threads (M5) + around motor shaft | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | 4" Zip ties | To attach Y-axis linear bearings to frame | 1 bag | +---------------------------------------+-----------------------------------------------------+----------+ | 70 cm XL belt | Y axis' movement | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | 90 cm XL belt | X axis' movement | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | Heat bed binder clips | To fix glass to heated bed (kapton tape also works) | 4 | +---------------------------------------+-----------------------------------------------------+----------+ | XL pulley ( 10t ) | X & Y axis motors | 2 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | Electronics | | | +---------------------------------------+-----------------------------------------------------+----------+ | NEMA 17 stepper motor | | 5 | +---------------------------------------+-----------------------------------------------------+----------+ | J-HEAD hotend kit | | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | MOLEX connector XL | | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | | | | +---------------------------------------+-----------------------------------------------------+----------+ | Heated bed | for ABS plastic | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | Kapton tape | fix thermistor to hotbed | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | Printrboard electronics + install kit | | 1 | +---------------------------------------+-----------------------------------------------------+----------+ | micro USB cable | | 1 | +---------------------------------------+-----------------------------------------------------+----------+