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Home / UNDERSTAND / Retraction in Screw Extrusion

DIAGNOSE – What’s Wrong

Extrusion Issues (Clogs, Blocks, Jams)
Stringing and Oozing
Expected Issues During Early Materium Setup
Anatomy of Ugly Prints
Layer Banding (Ugly Walls)

DO – Procedures

Installing Materium (Universal)
Installing Materium (Ender-3 V3 SE)
Materium Firmware (General Requirements)
Materium Firmware (Marlin)
Materium Firmware (Klipper)
Slicer Settings for Pellet Extrusion
Tuning Retraction on Screw Extruders
Pelletizing with CHOPPER
Troubleshooting CHOPPER
Materials Tuning Guide

UNDERSTAND – How It Works

Bridging
Retraction in Screw Extrusion
Melt Ribbon
Melt Plug
Inside the Melt: What’s Going On There?
What Your Extrusion Is Telling You
Factors Influencing Print Quality
Temperature, Flow, and Extrusion Width
Die Swell (Nozzle Swell)
Understanding Screw Extrusion
PP Bed Adhesion
Small Prints Looks Better

DECIDE – Is This Right For You?

MATERIUM – Extrusion System

Overview
Anatomy of Materium
Materium Variants
Materium High Flow Mode
Zenflow Nozzles
Materium — FAQ
Materium Open Designs & CAD
Unboxing, Inspection & Warranty

Assembly & Installation

What is CHOPPER?
Using CHOPPER : What To Expect
CHOPPER — FAQ
CHOPPER Open Designs & CAD

Retraction in Screw Extrusion

pressure decay curve

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