ArticleGetting Started

Loading the Complete Extrusion Line

Complete step-by-step guide to loading and operating the Noztek Complete Extrusion Line. Covers water bath setup, puller pre-configuration, temperature profiles, motor startup, filament threading, and system synchronisation.

25-30 min readFull System · Setup · Loading · Extrusion Line · Step-by-Step

What You'll Learn

How to set water bath temperature for different materials before starting warmup
Pre-configuring the Tolerance Puller — target diameter, tolerance range, and laser calibration
Setting the correct three-zone temperature profile (HB1, HB2, HB3) for your material
Starting the motor safely and managing initial material flow
Threading filament through all five water bath guides for correct immersion
Loading filament through the Tolerance Puller spring-loaded wheel system
Attaching filament to the Winder 2.0 spool using the tape method
Synchronising extruder RPM, puller speed, and winder speed for consistent output
Monitoring and logging with Noztek Control Hub Software
Troubleshooting common startup issues across the full production line

Required Equipment

Noztek Complete Extrusion Line (Extruder, Water Bath, Tolerance Puller, Winder 2.0)
Polymer pellets (pre-dried as required for your material)
Tweezers or pliers for threading hot filament
Scissors (for clean cuts when re-threading)
Small piece of tape for spool attachment
Laptop with Noztek Controller Software (optional, for monitoring)

Loading the Noztek Complete Extrusion Line

Water Bath Temperature Setup

Set your water bath to the correct temperature for your material before starting the extruder warmup. The water temperature directly affects cooling rate and filament crystallinity.

Recommended Water Temperatures by Material:

Material	Water Temperature	Notes
PLA	15–20°C	Cool water promotes rapid crystallization and dimensional stability
ABS	25–30°C	Warmer water prevents thermal shock and surface cracking
PETG	20–25°C	Moderate cooling prevents warping while maintaining clarity
Nylon (PA)	30–40°C	Warm water reduces moisture absorption during cooling
TPU/TPE	20–25°C	Moderate temperature maintains elasticity without tackiness
PC (Polycarbonate)	30–35°C	Warm water prevents stress fractures from rapid cooling
ASA	25–30°C	Similar to ABS — prevents surface defects
PVA (Support)	15–20°C	Cool water improves handling before moisture exposure

General Rule: Amorphous polymers (ABS, PC, PETG) prefer warmer water (25–35°C). Crystalline polymers (PLA, Nylon) prefer cooler water (15–25°C).

Tip: If your filament shows surface roughness or hazing, try increasing water temperature by 5°C. If diameter varies excessively, decrease water temperature by 5°C.

Tolerance Puller Pre-Configuration

Before starting extrusion, set up the tolerance puller:

Set target diameter: Use the touchscreen to input your required filament diameter (typically 1.75mm or 2.85mm)
Set tolerance range: ±0.03mm for standard applications, ±0.02mm for precision work
Calibrate laser sensor: Ensure the laser is reading accurately (use a calibrated sample if available)
Set puller speed: Start with a conservative speed (we'll adjust this based on extruder output)

Initial Puller Speed Recommendations:

1.75mm filament: Start at 2.0–2.5 m/min
2.85mm filament: Start at 1.5–2.0 m/min
You'll fine-tune this to match actual extrusion rate once running

Extruder Temperature Profile

Set all three heater band temperatures according to your material's processing requirements:

Temperature Zone Functions:

HB1 (Feed Zone): Initiates melting, typically 10–20°C below full melt temperature
HB2 (Compression/Metering): Full melting and homogenization, at or slightly above melt temperature
HB3 (Nozzle): Final melt conditioning, typically 5–10°C above melt temperature for flow

Example Temperature Profiles:

Material	HB1 (Feed)	HB2 (Metering)	HB3 (Nozzle)
PLA	170°C	190°C	200°C
ABS	210°C	230°C	240°C
PETG	220°C	240°C	250°C
Nylon	230°C	250°C	260°C
TPU	200°C	215°C	225°C
PC	260°C	280°C	290°C

After setting temperatures, initiate the 20-minute warmup cycle. Do not start the motor until all zones reach setpoint and stabilize.

Initial Motor Start

Once the warmup cycle completes and all temperature zones show stable:

Start the motor at low speed: Begin at 20–30 RPM for initial material flow
Wait for material to exit nozzle: This may take 30–60 seconds as the screw purges air and builds pressure
Check extrusion consistency: Material should exit smoothly without pulsing or surging

Initial Motor Speed Guidelines:

Start conservative: 20–30 RPM for first 2–3 minutes
Increase gradually: Ramp up to 40–50 RPM once flow is established
Target operating speed: 50–80 RPM for most materials (adjust based on desired throughput)
Maximum speed: 150 RPM (Nexus/Xcalibur servo motors) — rarely needed for desktop extrusion

Tip: If material doesn't exit after 90 seconds at 30 RPM, increase to 40 RPM. If you see excessive die swell or surging, reduce speed by 10 RPM.

Threading Through Water Bath

Once filament begins to exit the nozzle:

Use tweezers or pliers to grasp the hot filament (it will be soft — handle carefully)
Feed through the first filament guide positioned at the nozzle exit
Continue threading through the 5 guides attached to the top of the water bath
Ensure complete immersion: The filament must pass under the water surface between each guide for proper cooling
Check for straight path: Filament should have gentle curves between guides, not sharp bends

Critical: If filament isn't fully submerged, it won't cool properly and you'll get dimensional inconsistency and oval cross-sections.

Threading Through Tolerance Puller

When filament reaches the end of the water bath:

Guide filament into puller entry hole — the holes are designed to channel the filament automatically
Lift the spring-loaded puller wheel holder (top wheel assembly)
Insert filament through the second guide between the two puller wheels
Release the spring-loaded holder — it will clamp the filament between the wheels
Activate the puller motor — it will begin drawing filament at the preset speed

Tip: Keep scissors handy. If you miss the guide hole on first attempt, cut the filament cleanly and try again. Ragged ends won't thread easily.

Threading Through Winder

Final stage — connecting to the Winder 2.0:

Feed filament through the winder tensioner (this maintains consistent spool tension)
Pass through the height laser sensor (monitors spool layer height for even winding)
Attach tape to the spool hub (secure a small piece of tape to the spool side — this is your attachment point)
Wrap filament around tape and spool hub — this allows quick, secure connection without tying knots
Start winder rotation — begin at low speed and gradually increase to match puller output

Tip: The tape method lets you quickly attach/detach filament without fighting spring tension or trying to tie knots on a spinning spool.

System Synchronization

Now all components are running. Fine-tune for optimal performance:

Match Speeds:

Extruder RPM determines material flow rate
Puller speed controls filament tension and diameter
Winder speed must match puller to prevent slack or over-tensioning

Tuning Process:

Let system run for 5–10 minutes to stabilize
Monitor filament diameter on puller display
If diameter is too thick: Increase puller speed by 0.1–0.2 m/min
If diameter is too thin: Decrease puller speed by 0.1–0.2 m/min OR increase extruder RPM
Adjust winder speed to maintain slight tension without pulling hard

Tip: Filament should have gentle sag between puller and winder (indicates proper tension without stretching).

Monitor and Log

Once running smoothly:

Use the Control Hub Software to monitor temperatures, motor load, and puller diameter in real-time
Export data logs for process documentation and quality records
Check filament quality periodically — surface finish, diameter consistency, roundness
Adjust parameters as needed — this is an iterative process for new materials

Typical Run Time to Stability: 15–30 minutes from motor start to fully optimized, consistent output.

Troubleshooting Quick Reference

Problem	Likely Cause	Solution
Filament won't exit nozzle	Insufficient temperature or motor speed too low	Increase nozzle temp by 10°C or increase RPM to 40
Diameter varies excessively	Puller speed mismatch or water temp wrong	Adjust puller speed; check water temperature
Filament breaks in water bath	Cooling too rapid or material degraded	Increase water temp by 5°C; check material quality
Surface roughness/hazing	Water temperature too cold	Increase water temp by 5–10°C
Filament oval instead of round	Not fully submerged in water bath	Adjust guide positions to ensure full immersion
Winder tangles or loose wraps	Winder speed too fast or too slow	Match winder speed exactly to puller output

Safety Reminders

Hot surfaces: Nozzle and barrel reach 200–300°C — never touch without proper tools
Moving parts: Keep hands clear of puller wheels and winder when operating
Water and electricity: Ensure water bath is properly grounded and positioned away from electrical components
Ventilation: Some materials (ABS, ASA) produce fumes — ensure adequate ventilation or use fume extraction

Material-Specific Notes

For Filled Compounds (Carbon Fiber, Glass, Metal):

Use slower extrusion speeds (30–50 RPM) to prevent fiber breakage
Increase water bath length/time for proper cooling of filled materials
Monitor for nozzle wear — abrasive fillers erode the bore rapidly

For Flexible Materials (TPU, TPE):

Reduce puller tension to prevent stretching
Use warmer water (25–30°C) to maintain elasticity
Lower extrusion speed to avoid die swell

For Hygroscopic Materials (Nylon, PVA):

Pre-dry pellets thoroughly before extrusion
Use warmer water to reduce moisture absorption during cooling
Package immediately after winding to prevent water uptake