Kossel Model A User Manual Page 4
Extruder
The extruder pushes the filament from the spool into the hotend of the gantry. Components of the extruder:
Drive Gear (Red), feeds the filament to the hotend
Extruder Lever (Blue), applies force so the drive gear can grip the filament
Bowden Tube quick disconnect (Green), attaches the Bowden Tube to the Extruder.
Bowden Tube
The Bowden Tube is the small tube that runs from the extruder to the hotend.
Nozzle
The nozzle is the brass fitting below the heater block that the plastic extrudes from.
Hotend
The hotend melts the filament as it gets pushed through the Bowden Tube by the Extruder. It is comprised of the following
parts:
