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Assembling the Voron M4 Extruder

Mike Thomas
Mike Thomas
Created , last modified
ExtruderVoron
Cover Image for Assembling the Voron M4 Extruder

Image © 2019 Voron Design

Table of contents

  1. Sourcing Parts
    1. Fasteners
    2. Motion
    3. Electronics
    4. Bowden
  2. Printing Parts
    1. 80T Gear
    2. Drive Shaft
    3. Idler Assembly
    4. Body Assembly

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

ItemQuantityReceivedNotes
M3x30 SHCS48
M3x16 SHCS24
M3x12 SHCS12
M3x6 BHCS510
M3 Threaded Insert510
M3 Washer24
Thumb Screw Assembly12

Motion

ItemQuantityReceivedNotes
GT2 Belt Loop (6mm wide) - 188mm12
GT2 20T (6mm wide) Pulley (5mm bore)24
F695 2RS24
Bondtech Drive Gear Set12
5mm x 50mm Shaft12

Electronics

ItemQuantityReceivedNotes
NEMA17 Motor 17HS08-1004S12LDO 42STH20-1004AS

Bowden

ItemQuantityReceivedNotes
Bowden Clip12
Bowden Fitting12ECAS Version
Bowden Tube (m)12

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

ItemQuantityMaterialPrintedNotes
80t_gear2eSun ABS+ (Fire Engine Red)❌

❎ Assembly

Parts Needed
ItemQuantity
GT2 20T (6mm wide) Pulley (5mm bore)1
M3x8 BHCS5

Drive Shaft

ItemQuantityMaterialPrintedNotes
5x4mm_spacer2eSun ABS+ (Fire Engine Red)❌

❎ Assembly

Parts Needed
ItemQuantity
5mm x 50mm Shaft1
BMG Drive Gear1
F695 2RS1

Idler Assembly

ItemQuantityMaterialPrintedNotes
guidler1eSun ABS+ (Fire Engine Red)❌
guidler_mirror1eSun ABS+ (Fire Engine Red)❌

❎ Assembly

Parts Needed
ItemQuantity
BMG Idler Assembly1

Body Assembly

ItemQuantityMaterialPrintedNotes
latch_shuttle2eSun ABS+ (Black)❌
end_plate1eSun ABS+ (Black)❌
end_plate_mirror1eSun ABS+ (Black)❌
motor_plate1eSun ABS+ (Black)❌
motor_plate_mirror1eSun ABS+ (Black)❌
main_body1eSun ABS+ (Black)❌
main_body_mirror1eSun ABS+ (Black)❌
latch2eSun ABS+ (Fire Engine Red)❌

❎ Assembly

Parts Needed
ItemQuantity
Bowden Fitting1
F695 2RS1
GT2 20T (6mm wide) Pulley (5mm bore)1
GT2 Belt Loop (6mm wide) - 188mm1
LDO 42STH20-1004AS1
M3x12 SHCS1
M3x16 SHCS2
M3x30 SHCS4
M3 Threaded Insert5
M3 Washer2
Thumb Screw Assembly1
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