Motion system Y-axis
Parts for the Y-axis of the motion system, made from aluminum parts milled in a CNC machine.
Note: variant of the Y-axis uses a 5 mm rod for transmission between the motor and the pulley on the other isde of the robot.
Download a zip file containing all the model files. The total amount of each part that should be made is in the BOM.
Here is the complete Bill of materials (
, 
) for this guide.
Tools and Materials
Tools:
- 3D Printer (x1)
- CNC Router (x1)
- M3 Tap (x1)
Materials:
- 8mm Aluminum Sheet (x1)
- PLA Filament 1.75mm (x1)
Parts
- Y-axis stepper:
- Y Stepper Base V1 (x1) (source/Y-STEPPER-BASE.V2.stl)
- M3 x 12mm Screw (x4)
- M4 Drop-In Nut 2020 (x2)
- M4 x 12mm Screw (x2)
- M3 Washer (x8)
- NEMA 17 Double-Sided Stepper Motor (x1)
- Y-axis pulleys (5 mm rod version):
- GT2 16T Pulley ID5 (x1)
- NEMA 17 5-5 Shaft Coupler (x1)
- 5x545mm Steel Rod (x1)
- GT2 16T Pulley ID5 (x1)
- Y Pulley Base V1 (x1) (source/Y-PULLEY-BASE.V2.stl)
- M4 Drop-In Nut 2020 (x2)
- M4 x 12mm Screw (x2)
- Y Pulley Bearing Housing (x1) (source/BEARING-HOUSING.stl)
- 625ZZ Bearing (x1)
- M3 Hex Nut (x2)
- M3 x 16mm Screw (x2)
- Front belt idlers:
- GT2 16T Idler Pulley (x2)
- M3 Drop-In Nut 2020 (x2)
- M3 x 16mm Screw (x2)
- Y-axis carriages:
- Y-axis Carriage V3 (x2) (source/CAR-Y.V3.step)
- Zip Ties (x4)
- GT2 Belt 6x1000mm (x2)
- 2020 V-Wheels (x8)
- Eccentric Spacer ID5 L6 (x4)
- Spacer ID5 L6 (x4)
- M5 x 30mm Screw (x8)
- M5 Hex Nut (x8)
- M5 Washer (x8)
- Belt clamps:
- Attachment to X-axis gantry:
- GT2 Lock Grooved (x4) (source/X-GT2-LOCK-GROOVED-12mm-tol.stl)
- M3 x 12mm Screw (x4)
- M3 Drop-In Nut 2020 (x6)
- M3 x 20mm Screw (x6)
- Electronics and wiring:
- 500mm NEMA 17 Cable (x1)
- MakerBot Endstop Base Y (x1) (source/ENDSTOP-BASE-2020-V3-top.stl)
- MakerBot Endstop Base Y Cover (x1) (source/ENDSTOP-BASE-2020-V3-cover.stl)
- MakerBot Endstop (x1)
- MakerBot Endstop Cable 1000mm (x1)
- M3 Hex Nut (x2)
- M3 x 10mm Screw (x2)
- M3 x 20mm Screw (x2)
- M3 Drop-In Nut 2020 (x2)