5
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
–
Maintenance & Troubleshooting Manual
3.2
Extruder Handling & Service
This section provides an overview of the Extruder assembly, provides detail instructions regarding
handling the extruders, and provides instructions for assembling/disassembling the extruder as may be
required for service or repair.
3.2.1
Extruder Overview
When looking at Figure 6.7.1 below we can find four main parts:
Tube adapter
(2): is the round aluminum part that is used to hold the PTFE pipe that bring filament to
the extruder. Pushing on collar (1) you can detach the PTFE piping. Set Screw (3)is used to secure the
tube adapter on extruder
–
slightly tighten it (0.5Nm maximum)
Heat bridge
(
4): it’s a carefully machined stainless
-steel pipe that may be mounted upside down to get
different thermal performances. Smooth outer surface must never be grabbed by vices or pincers.
Ceramic heater
(6): the extruder heart, where the action is. We spent a lot of time improving it- use
part (5) when assembling/disassembling an extruder
Nozzle
(7): available on 0.3 / 0.4 / 0.6 / 0.8mm. Don’t confuse our nozzle with cheap imports –
ours
have been engineered bot hat geometry and finish level to get you the maximum possible performances.
Available also on anti-abrasion metal (0.4mm).
Figure 3.2.1 Extruder Components
