Fuse Bead
Extrusion Lines
Produce high-precision fuse beads with customizable colors. Choose the SJ45 single-screw extrusion line, or inquire about the SJ55 model with different output and technical specifications. Line configuration is matched to your material, bead dimensions and production requirements.
Fuse Bead Production: Line
Features & Support
The PLEXTRUD Fuse Beads Extrusion Line is a complete, turnkey system -- from raw pellet feed to finished, cut-to-length fuse beads ready for packaging. Each line is matched to your bead specification, material, and production volume.
Consistent Bead Diameter
Precision die and calibration unit maintain tight diameter tolerance across the full production run -- critical for bead-to-peg-board fit.
Uniform Color & Gloss
Controlled melt temperature and screw design ensure even color dispersion and a smooth, consistent surface gloss across every batch.
Precise Cut Length
Servo-driven cutter delivers clean, burr-free cuts at your specified bead length -- minimizing rejects and maximizing packagable yield.
Configured to Your Voltage
Electrical panel and motors matched to your local grid standard -- 220 V / 380 V / 440 V, 50 Hz or 60 Hz -- no site conversion required.
One-Stop Service
From line selection and production coordination to export shipping, installation guidance, operator training, and spare parts -- all handled by PLEXTRUD.
OEM / ODM Cooperation
Need a non-standard bead size, special material blend, or unique line configuration? We review tooling, material compatibility and equipment options for your requirements.
SJ45 Specifications & SJ55 Model Option
Review the SJ45 reference specifications below. An SJ55 model is also available with different output and technical parameters.
| Model | SJ45 |
|---|---|
| Extruder type | Single-screw extruder |
| Screw diameter | 45 mm |
| Number of screws | 1 |
| Motor power | 11 kW |
| Voltage | 380 V |
| Production capacity | 17 kg/h |
| Screw speed | 120 rpm |
| Positioning accuracy | 0.05 mm |
| Color options | Customizable |
| Overall dimension (supplied) | 9,000 mm |
Output depends on the material, bead specification and operating conditions. Positioning accuracy is an equipment parameter and is not a finished-bead dimensional tolerance. Confirm the equipment layout and full dimensions before ordering.
Equipment Details & Fuse Bead Samples
Bead Size, Material
& Output Configuration
No two fuse bead manufacturers have identical requirements. Every PLEXTRUD line is specified to your product dimensions, material, color plan, output target, and site conditions -- not a generic catalogue item.
Configurable Parameters
Bead Outer Diameter
Configured to your target OD -- typically in the 2.6 mm - 5 mm range for standard fuse bead products. Custom sizes available.
Bead Cut Length
Cutter pitch set to your required bead height -- ensuring consistent length uniformity and a clean cut face without burrs.
Raw Material
PE, EVA, or ABS. Screw geometry, barrel temperature profile, and die design are matched to your chosen resin for optimal melt quality.
Color Configuration
Single-color or multi-color runs. Masterbatch dosing unit can be integrated to enable quick color changeovers between production batches.
Electrical Standard
Voltage (220 V / 380 V / 440 V), phase, and frequency (50 Hz / 60 Hz) matched to your facility. No step-down transformers needed.
Output Volume & Speed
Extruder size and screw configuration selected to match your target daily or hourly output -- avoiding over-spec or under-capacity.
Optional Add-Ons
-
Masterbatch Auto-Dosing Unit
Gravimetric or volumetric feeder for precise colorant ratio control.
-
Automatic Bead Sorting & Collection
Vibrating conveyor or pneumatic collection system for downstream handling.
-
Online Diameter Gauge
Laser measurement unit for real-time OD monitoring and closed-loop control.
-
Dehumidifying Dryer
Recommended for hygroscopic resins to eliminate moisture-related surface defects.
-
PLC Touch-Screen Control Panel
Centralized HMI for temperature, speed, and cutter parameter management.
Not Sure What You Need?
Share your bead specification, material, and target output. We'll recommend the right line configuration -- no obligation.
Discuss My RequirementsFuse Bead Production: From
Pellets to Finished Beads
The PLEXTRUD Fuse Beads Extrusion Line follows a linear, continuous process. Each stage is engineered to maintain dimensional accuracy, surface quality, and color consistency from start to finish.
Raw Material Feeding & Drying
Resin pellets (PE / EVA / ABS) are loaded into the hopper. A dehumidifying dryer (optional) removes residual moisture before the material enters the extruder barrel -- preventing surface bubbles and ensuring melt quality.
Extrusion & Melting
The single-screw extruder melts and homogenizes the resin under controlled barrel temperature zones. Screw geometry is matched to your material for uniform melt pressure and consistent output rate -- the foundation of dimensional stability.
Die Head & Profile Forming
Molten resin is pushed through a precision-machined round die head. The die orifice diameter is set to your target bead OD. A screen changer (optional) filters contaminants before the die for a cleaner melt stream.
Cooling & Sizing
The extruded rod enters a water cooling tank where it is rapidly quenched to lock in the bead profile. Water temperature and tank length are calibrated to your material and target OD -- preventing shrinkage variation or oval cross-section.
Haul-Off & Cutting
A servo-driven haul-off unit pulls the cooled rod at a stable, controlled speed -- maintaining consistent wall thickness and OD. The rotary cutter then cuts the rod into individual beads at your specified length, producing clean, flat end faces.
Collection, Screening & Packaging
Finished beads are collected via conveyor or pneumatic system, pass through a vibrating screen to remove dust and fines, and are then fed into your downstream packaging equipment. Optional inline color sorting can be added for multi-SKU production.
Fuse Bead Production
Quality Control
Consistent bead quality requires active monitoring throughout the production process -- not just a final inspection. The PLEXTRUD line incorporates quality checkpoints at each critical stage to catch deviations early and maintain output consistency.
Raw Material Incoming Check
Material batch is verified for resin grade, MFI (melt flow index), and moisture content before loading. Off-spec material is quarantined to prevent downstream defects.
Melt Temperature & Pressure Monitoring
Barrel zone temperatures and melt pressure are continuously monitored via PLC. Deviations trigger alerts before they affect bead dimensions or surface quality.
Inline Diameter Measurement
An optional laser diameter gauge measures OD in real time as the rod exits the die. Out-of-tolerance readings trigger haul-off speed adjustments to bring diameter back within spec automatically.
Cooling Bath Temperature Control
Water bath temperature is held within a set range. Fluctuations cause uneven shrinkage and oval cross-sections. A chiller or heater maintains the bath at the correct quench temperature for your material.
Cut Length Verification
Bead length is periodically sampled with a calibrated gauge during production. Cutter pitch is adjusted if length drift is detected -- ensuring consistent bead height across the full run.
Post-Cut Surface & Fines Screen
A vibrating screen after the cutter separates dust, fines, and irregular beads from the good product stream before packaging -- maintaining a clean, uniform batch with no contamination.
Fuse Bead Dimensions, Appearance
& Sample Confirmation
Before shipment, a complete-line trial run can be reviewed through sample beads, dimensional records and appearance photos against your agreed specifications.
Dimensional Confirmation
Outer Diameter (OD) Measurement
Sample beads measured with a digital micrometer. OD must fall within the agreed tolerance band before shipment approval.
Bead Length Check
Cut length verified against target spec. Minimum 50 beads measured per batch sample to confirm cutter consistency.
Roundness / Ovality Test
Cross-section measured in two perpendicular axes to confirm roundness. Oval beads fail peg-board fit and are rejected.
Peg-Board Fit Test
Sample beads are physically placed on a reference peg-board (Hama-compatible or your custom board) to confirm fit, insertion force, and retention.
Appearance Quality Confirmation
Surface Gloss & Smoothness
Bead surface inspected for roughness, pitting, or flow marks. A smooth, uniform gloss finish is required for acceptable appearance.
Color Consistency Across Batch
Beads from start, middle, and end of the trial run compared visually and against a reference color chip. Batch-to-batch color deviation must be within acceptable limits.
Cut-Face Quality
End faces examined for burrs, tails, or crush marks. Clean, flat cut faces are required -- burrs affect bead-to-bead stacking and packaging quality.
No Voids, Bubbles, or Contamination
Beads sectioned and inspected for internal voids or surface bubbles. Any contamination (black specks, foreign particles) triggers a process review before approval.
Sample Confirmation Before Shipment
You Approve the Samples.
Then We Ship.
After the trial run, we send you a physical sample set along with a production report (dimensional data, process parameters, and appearance photos). You review and confirm -- or request adjustments. The line ships only after your written approval.
Fuse Bead Line Installation,
Training & Support
PLEXTRUD's role doesn't end at shipment. We coordinate every step from line selection through after-sales -- so your investment starts producing as quickly as possible.
Consulting & Line Selection
We review your bead spec, material, output target, and site conditions -- then recommend the right line configuration and optional add-ons.
Production & Trial Run
Manufacturing, assembly and pre-shipment trial runs follow the approved configuration. Sample beads can be provided for confirmation before shipment.
Export & Commissioning
Export packaging, sea or air freight, and customs documentation handled. On-site or remote installation and commissioning guidance provided upon arrival.
Training & After-Sales
Operator training, spare parts supply, and ongoing technical support. We remain available after your line is running -- for process questions or troubleshooting.
Sample Confirmed
Before Shipment
Worldwide
Export Ready
Responsive
Communication
OEM / ODM
Cooperation
After-Sales Service & Warranty
The equipment is covered by a one-year warranty from the date the customer receives it. During the warranty period, replacement screws, barrels, motors and frequency inverters are provided free of charge for failures confirmed to result from material or manufacturing defects.
Normal wear and tear, routine replacement of wear parts, and damage caused by improper operation are excluded from free warranty coverage.
Unless otherwise agreed in writing, international shipping costs for replacement parts are borne by the customer. Whether defective parts need to be returned, the return method and related costs must be confirmed before shipment. Please do not return parts or equipment without prior confirmation.
Long-term spare parts supply and technical consultation remain available after the warranty expires. Charges for parts and other services outside the free warranty coverage are confirmed separately.
Tell Us Your Bead Spec.
We'll Configure the Right Line.
Share your target bead diameter, material, output volume, and local electrical standard. We'll come back with a tailored line recommendation and quotation -- no obligation.
No commitment required · Fast response
Fuse Bead Extrusion
Line FAQs
What bead diameters can the line produce?
The line is configured to your target bead OD. Common sizes for Hama-compatible beads are in the 2.6 mm - 5 mm range. Non-standard diameters are available -- share your specification and we'll confirm feasibility.
Which materials can the line process?
The line can be configured for PE, EVA, or ABS. Screw geometry, barrel temperatures, and die design are matched to your chosen resin. If you're using a different material, let us know and we'll advise on feasibility.
Can the line handle multiple colors?
Yes. A masterbatch dosing unit can be integrated to allow color changeovers between batches. Each color run is a separate production batch -- the line is purged between colors. For very frequent color changes, we recommend a gravimetric dosing unit for precise ratio control.
Can you match our local electrical standard?
Yes. The electrical panel, motors, and control components are configured to your local voltage (220 V / 380 V / 440 V), phase, and frequency (50 Hz / 60 Hz). Please provide your site electrical specifications when you send your inquiry.
What does the after-sales support include?
After-sales support includes installation and commissioning guidance (on-site or remote), operator training, spare parts supply, and ongoing technical support for process questions or troubleshooting. We remain available after your line is running.
Is OEM or custom line cooperation available?
Yes. For non-standard configurations, special materials, or unique line requirements, we coordinate OEM / ODM solutions through our partner manufacturing network. Contact us to discuss your specific requirements.
Request a Fuse Bead
Extrusion Line Quote
Tell us your bead specification, material, output target, and any other requirements. We'll come back with a tailored line recommendation and quotation -- no obligation.
Direct Contact
plextrud@foxmail.com
Headquarters
Shenzhen, Guangdong, China
Buying guide
Fuse Beads Machine Cost
What to Include in Your Inquiry
- Target bead diameter and length
- Raw material (PE / EVA / ABS / other)
- Target daily or hourly output volume
- Local voltage and frequency
- Number of colors and changeover frequency
- Any special requirements or add-ons needed
© 2025 PLEXTRUD · Shenzhen, Guangdong, China · All rights reserved.
Contact: plextrud@foxmail.com
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