HackerBot XY system
Contents
Support plates
| qty | part name | description/notes |
| 1 | Front right support plate | File:Support plate 50x50 L.80mm Front-Right.PDF |
| 1 | Front left support plate | File:Support plate 50x50 L.80mm Front-Left.PDF |
| 1 | Back right support plate | File:Support plate 50x50 L.140mm Back-Right.PDF |
| 1 | Back left support plate | File:Support plate 50x50 L.140mm Back-Left.PDF |
| 20 | M6 T-head bolt | Bosch 3842523921 |
| 20 | T-nut | Bosch 3842523925 |
Step 15: Back Right plate
Using six M6 T-head bolts fix in the corner the support plate:
Step 16: Back Left plate
Using six M6 T-head bolts fix in the corner the support plate:
Step 17: Front Left plate
Using four M6 T-head bolts fix in the corner the support plate:
Step 18: Front Right plate
Using four M6 T-head bolts fix in the corner the support plate:
XY system
Step 19: Cubic Slider
| qty | part name | description/notes |
| 4 | Cubic slider | |
| 8 | Cubic slider belt clamp | File:Belt clamp.stl print 100% infill |
| 24 | M3x12 screw kit | |
| 4 | Cubic slider PTFE bushing |
Assemble the cubing slider:
and take care when inserting the PTFE bushing. If possible use a 8mm reamer after.
Step 20: XY Shafts
| qty | part name | description/notes |
| 2 | Shaft 8mm. length 465mm | |
| 2 | Shaft 8mm. length 438mm | |
| 8 | GT2 20 teeth pulley (8mm bore) | |
| 8 | Shim | POM / Delrin |
| 8 | 608 Bearings | |
| 8 | Bearing housing | 3D printed |
| 32 | M3x16 screw kit | fixes the bearing supports with support plates |
Using the cubic sliders assemble the shafts as in photo:
double check:
- the correct orientation of Cubic sliders
- shafts should not be touching the Supports plate
- Cubic sliders should be running well on the shafts, and shafts should turn easily
DON'T tighten the screws.
Step 21: XY Belts
| qty | part name | description/notes |
| 4 | GT2 open belt length 830mm | XY core belts |
Place the four belts like as show below:
DON'T pull the belts.
Step 22: XY Motors
| qty | part name | description/notes |
| 2 | Stepper motor Nema 17 | 2.5A (or 1.7A), shaft 5mm |
| 2 | GT2 20 teeth pulley | 5mm bore |
| 2 | GT2 20 teeth pulley | 8mm bore |
| 8 | M3x12 screw kit | |
| 1 | GT2 closed belt 77 teeth | SDP-SI.COM (6R51M077060) |
| 1 | GT2 closed belt 66 teeth | SDP-SI.COM (6R51M066060) |
Y Motor (right side)
Use a GT2 closed belt 66 teeth:
X Motor (backside)
Use a GT2 closed belt 77 teeth:
Step 23: XY Motor belt tighteners
| qty | part name | description/notes |
| 1 | Belt Tightener | with one 624zz bearing, File:Belt tightener.PDF |
| 1 | Belt Tightener short | with one 624zz bearing File:Belt tightener small.PDF |
| 1 | 624zz bearing | |
| 2 | M3x15 screw | with 2 M3 nuts |
| 2 | M3x20 screw | with 2 M3 nuts |
| 6 | M3 washer |
Head
Step 24: Head assembly
| qty | part name | description/notes |
| 2 | Shaft 8mm length 370mm | Head shaft support |
| 1 | Head v2 | File:Head v2 FAN.stl File:Head v2 fan support 60.stl |
| 4 | Linear Bearing | LM8UU |
| 2 | Pneumatic fittings | |
| 4 | M3x8 grub screw | fixes the hotends |
Insert the four linear bearings in the head, fasten the pneufit and the grub screws:
Insert shafts in the head
Place the head assembly AND take care to not force anything when mounting it:
TIPS:
- for easy mounting put the cubic sliders on a side
