HackerBot extruder

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Extruder

Extruder support plate

qty	part name	description/notes
1	DD-1 Extruder
2	M6x12 T-head bolt	Bosch-Rexroth 3842523920
2	T-nut	Bosch-Rexroth 3842523925

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Extruder Motor Wiring:

MOTOR	PANEL CONNECTOR	CABLE (LiYY 4x0.25)	A4988/DVR8825
RED	» 1 «	Yellow	1A
BLU	2	White	1B
GREEN	3	Green	2A
BLACK	4	Brown	2B

Hackerbot Extruder motor wiring

Mount on the frame:

Hackerbot Extruder

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Step 42: Hotends

Hotend tested:

• THead: [THead hotend]
• JHead: Jhead hotend

NTC CABLE LENGTH: 1m

Use a 40W 24V ceramic heater cartridge and EPCOS 100K NTC:

Hackerbot THead hotend wiring

Put some thermal conductive paste: (we used a Boron Nitride heat sink grease CW7250)

Hackerbot THead conductive paste

Assemble cables with hotend, fix it with good nylon strip or any high temp resistant lock:

Hackerbot THead hotend assembly

Put some high temperature silicon: (ex: we used a ACC Silcoset 158)

Hackerbot THead hotend silicon

Cable wiring scheme:

PANEL CONNECTOR	CABLE	note
1 «	SILICON RED	Extruder power +
2 «	SILICON BLACK	Extruder power ground
3 «	LiYY BROWN	NTC
4 «	LiYY WHITE	NTC

Hackerbot THead connector wiring

assemble hotends into head and gently tighten the grub screws:

Hackerbot THead hotend head

Please remember that multiple hotends should have the same height from the printbed!

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Step 43: Extruder bowden

PTFE bowden tube is 3.18mm inner diameter, 6mm outer diameter and total length of one bowden tube is 600mm

Hackerbot bowden

** EXTRUDERS COMPLETE **

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** GO TO >> HackerBot wiring **