Assembling the Voron M4 Extruder

Mike Thomas
Created , last modified
ExtruderVoron

Image © 2019 Voron Design
Table of contents
Sourcing Parts
I plan to build two M4 Extruders, 1 standard and 1 mirrored to mount to the back of the printer so that I can experiment with the dual bowden setup.
Fasteners
| Item | Quantity | Received | Notes |
|---|---|---|---|
| M3x30 SHCS | 4 | 8 | |
| M3x16 SHCS | 2 | 4 | |
| M3x12 SHCS | 1 | 2 | |
| M3x6 BHCS | 5 | 10 | |
| M3 Threaded Insert | 5 | 10 | |
| M3 Washer | 2 | 4 | |
| Thumb Screw Assembly | 1 | 2 |
Motion
| Item | Quantity | Received | Notes |
|---|---|---|---|
| GT2 Belt Loop (6mm wide) - 188mm | 1 | 2 | |
| GT2 20T (6mm wide) Pulley (5mm bore) | 2 | 4 | |
| F695 2RS | 2 | 4 | |
| Bondtech Drive Gear Set | 1 | 2 | |
| 5mm x 50mm Shaft | 1 | 2 |
Electronics
| Item | Quantity | Received | Notes |
|---|---|---|---|
| NEMA17 Motor 17HS08-1004S | 1 | 2 | LDO 42STH20-1004AS |
Bowden
| Item | Quantity | Received | Notes |
|---|---|---|---|
| Bowden Clip | 1 | 2 | |
| Bowden Fitting | 1 | 2 | ECAS Version |
| Bowden Tube (m) | 1 | 2 |
Printing Parts
All printed parts will be printed in eSun ABS+. The Voron team recommends an infill type of 40% of either Grid, Gyroid, Honeycomb, Triangle or Cubic. A layer height of 0.2mm and extrusion width of 0.4mm, with a wall count of 4 and top/bottom layers of 5.
80T Gear
| Item | Quantity | Material | Time | Size | Weight | Cost | Printed | Notes |
|---|---|---|---|---|---|---|---|---|
| 80t_gear | 2 | eSun ABS+ (Fire Engine Red) | 2h11m | 4.49m | 11.45g | £0.18 | ❌ |
❎ Assembly
Parts Needed
| Item | Quantity |
|---|---|
| GT2 20T (6mm wide) Pulley (5mm bore) | 1 |
| M3x8 BHCS | 5 |
Drive Shaft
| Item | Quantity | Material | Time | Size | Weight | Cost | Printed | Notes |
|---|---|---|---|---|---|---|---|---|
| 5x4mm_spacer | 2 | eSun ABS+ (Fire Engine Red) | 02m | 0.05m | 0.14g | £0.01 | ❌ |
❎ Assembly
Parts Needed
| Item | Quantity |
|---|---|
| 5mm x 50mm Shaft | 1 |
| BMG Drive Gear | 1 |
| F695 2RS | 1 |
Idler Assembly
| Item | Quantity | Material | Time | Size | Weight | Cost | Printed | Notes |
|---|---|---|---|---|---|---|---|---|
| guidler | 1 | eSun ABS+ (Fire Engine Red) | 50m | 2.18m | 5.57g | £0.09 | ❌ | |
| guidler_mirror | 1 | eSun ABS+ (Fire Engine Red) | 50m | 2.19 | 5.58g | £0.09 | ❌ |
❎ Assembly
Parts Needed
| Item | Quantity |
|---|---|
| BMG Idler Assembly | 1 |
Body Assembly
| Item | Quantity | Material | Time | Size | Weight | Cost | Printed | Notes |
|---|---|---|---|---|---|---|---|---|
| end_plate | 1 | eSun ABS+ (Black) | 1h26m | 3.78m | 9.63g | £0.16 | ❌ | |
| end_plate_mirror | 1 | eSun ABS+ (Black) | 1h26m | 3.77m | 9.62g | £0.16 | ❌ | |
| latch | 2 | eSun ABS+ (Fire Engine Red) | 21m | 0.93m | 2.37g | £0.04 | ❌ | |
| latch_shuttle | 2 | eSun ABS+ (Black) | 21m | 0.77m | 1.96g | £0.03 | ❌ | |
| main_body | 1 | eSun ABS+ (Black) | 2h05m | 5.73m | 14.62g | £0.24 | ❌ | |
| main_body_mirror | 1 | eSun ABS+ (Black) | 2h04m | 5.73m | 14.61g | £0.24 | ❌ | |
| motor_plate | 1 | eSun ABS+ (Black) | 3h00m | 8.67m | 22.12g | £0.36 | ❌ | |
| motor_plate_mirror | 1 | eSun ABS+ (Black) | 3h01m | 8.67m | 22.11g | £0.36 | ❌ |
❎ Assembly
Parts Needed
| Item | Quantity |
|---|---|
| Bowden Fitting | 1 |
| F695 2RS | 1 |
| GT2 20T (6mm wide) Pulley (5mm bore) | 1 |
| GT2 Belt Loop (6mm wide) - 188mm | 1 |
| LDO 42STH20-1004AS | 1 |
| M3x12 SHCS | 1 |
| M3x16 SHCS | 2 |
| M3x30 SHCS | 4 |
| M3 Threaded Insert | 5 |
| M3 Washer | 2 |
| Thumb Screw Assembly | 1 |