OFC 40 secondary coating line
Next generation loose tube production
As outdoor fiber optic cable designs become more demanding, loose tube production must deliver stable quality at higher speeds. Excess fiber length, tube shrinkage, cooling conditions, fiber tension, and material behavior all need to stay under control to protect the optical fibers and create a reliable base for the next cable production steps.
Secondary coating is the foundation for reliable cable manufacturing. By producing stable dry or jelly-filled loose tubes, the process protects the fibers and creates the controlled tube structure needed for further stranding and jacketing steps.
OFC 40 Secondary Coating Line, engineered to meet the evolving demands of modern loose tube production. Designed for manufacturers aiming to increase output while maintaining consistent quality, OFC 40 combines high-speed performance with precise process control to create a future-ready production solution.
With its focus on efficiency, flexibility, and repeatability, it enables customers to optimize their operations while supporting the development of next-generation cable designs.
It is the ideal production line for optimizing production and accelerating innovation.
dual clenching technology
Controls post-shrinkage and supports stable excess fiber length at high production speeds.
dry & jelly-filled loose tubes
Supports dry and jelly-filled loose tubes, microtubes, and central tubes for a wide range of outdoor cable designs.
advanced process control
Combines precise tension control, cooling, online monitoring, and line control to keep production stable and repeatable.
Flexibility for evolving cable designs
To support a wide range of applications, the OFC 40 is designed to handle both jelly-filled and dry tube production. This flexibility allows manufacturers to respond quickly to changing market demands and customer specifications without compromising efficiency.
The line accommodates 1 up to 48 fibers, making it suitable for diverse cable constructions and enabling seamless adaptation across product portfolios.
high-speed production
The OFC 40 delivers production speeds over 1000 m/min, allowing manufacturers to significantly increase throughput while maintaining stable and controlled process conditions. This ensures consistent product quality even at high output levels, supporting both productivity goals and reliability requirements.
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Speed & stability in loose tube production
with stable excess fiber length control, low post-shrinkage and flexible dry or jelly-filled tube capability
overview
The OFC 40 Secondary Coating Line is developed for next-generation loose tube production, combining high-speed, precise process control and maximum efficiency. It is the ideal platform for optimizing production and accelerating innovation.
- Production speeds over 1000 m/min – Consistent, high-output manufacturing with stable process conditions
- Jelly-filled and dry tube capability – Enables both water-blocking and dry cable designs
- Support for 1–48 fibers – Optimized for wide range of cable types
- Precise fiber excess length (EFL) control –Â Ensures stable EFL at high speeds
- Dual clenching technology – Eliminates post-shrinkage, and improves overall product quality
- Low scrap and optimized material usage – Efficient fiber launching, cutting, and process control
With advanced cooling, precise tension control, and intelligent process monitoring, the OFC 40 ensures stable production conditions and consistent, repeatable product quality.
Now available for demonstrations at our facility, experience it in real production conditions. Discuss your requirements with our experts and discover how the OFC 40 can elevate your manufacturing performance.
nextrom's special experience
unmatched flexibility, unrivaled expertise
upgradability
Nextrom’s fiber optic cable manufacturing solutions are designed for long-term. Existing systems can be upgraded with the latest automation, process control, and hardware developments to support changing production requirements and next-generation fiber designs.
With dedicated lifecycle support, customers benefit from improved performance, enhanced process stability, and extended equipment lifetime, while minimizing production interruptions and enabling continuous process improvement.
process knowledge
Rely on our dedicated experts, backed by multiple years of combined experience to guide you through commissioning and process training. Our tailored setup recommendations minimize tuning time and speed up your production ramp-up. With a proven global track record and hands-on industry know-how, we ensure you get into full-scale production faster, more efficiently, and with unwavering confidence.
references
We deliver proven know-how to jump-start your production, maintain top-tier quality, and preempt operational pitfalls. Industry leaders repeatedly rely on Nextrom, clear proof of our unwavering reliability and superior performance.
local support
Benefit from truly local teams across the US, China, India, and Europe, each offering quick response times, spare part availability, and support in your local language. With experienced engineers on-site, you’ll minimize downtime, optimize productivity, and have peace of mind knowing expert help is always within reach.
find out more about fiber optic cable manufacturing solutions
Get in touch with our experts and find out more about our solutions
OFC 40 / RL-R
Fiber Quick Cutter KSV 03
Ribbon Strander
Applies ribbons helically into the loose tube
at high speeds
| Rotational speed: | max. 300 rpm |
| Fibers in ribbon: | max. 36 Fibers / max. Width 10 mm |
NYP Yarn Pay Off
For precise unwinding of water blocking yarns
KAP Fiber pay-off for 1-48 fibers (50 km reel)
Driven payoff designed for precise unwinding of
optical fibers Guarantees low tension variations
ROEX 45-24D Extruder
Compact extruder for processing thermoplastics
with linear and stable output
Line Control Cabinet
Production line will be controlled with HMI
Machine status and measurements are shown in control panel
Recipe and data collection included
SCC 100 Clenching Capstan
Controls post shrinkage (0 +/- 0.1 %) in loose tube process
Enables increased production speeds
Cooling System ROCS
Maintains a stable process by controlling
temperature stability of the loose tube
DWC 600 Dual Wheel Capstan
Movable along the line
Provides extra cooling capacity
Optimal for small diameter products
CS 4 Spray Multipass
High speed and low tension spray cooling
Manages the thermal shrinkage of loose tube
to control excess length
Enables shorter footprint of the line
NEC 500 Exit Belt Capstan
Maintains loose tube tension
between DWC 600 and NEC 500
EKP 800 Automatic Dual Take-up
For continuous production
Cuts fibers in full production speed so that
minimum amount of fiber is lost in production
Benefits of
OFC 40 secondary coating line
Future-ready secondary coating line for loose tube production
- Stable and repeatable excess fiber length control at high production speeds
- Dual clenching technology for reduced post-shrinkage and stable tube geometry
- Dry and jelly-filled loose tube production in one flexible line concept
- Production of single-layer and dual-layer loose tubes, microtubes, and central tubes
- Accurate fiber and tube tension control for consistent product quality
- Advanced cooling concept with spray multipass and adjustable cooling lengths
- Continuous jelly handling with temperature, pressure, flow, and viscosity control
- Online EFL measurement and quality monitoring for fast process feedback
- Fiber Quick Cutter and high-speed fiber launching for efficient changeovers
- Automatic dual take-up solutions for continuous, high-efficiency production
- Modular line components for different product designs, materials, and factory layouts
- Production data collection, customizable reports, and remote support options
solutions for OFC 40
- Fiber pay-off systems for 25, 50, and 100 km reels
- 48-fiber pay-off configuration
- ROEX 45 / ROEX 60 extrusion systems
- NXH or RX crosshead solutions
- JFD or JFS 100 Jelly Filling System
- Jelly temperature, pressure, flow, and viscosity control
- Dry tube production package
- Fiber Quick Cutter KSV 03
- FLS fiber launching system
- CS 4 / CS 15 cooling systems
- Spray multipass cooling section
- DCS / SCC clenching solution
- Dual Wheel Capstan DWC
- NEC 500 exit capstan with tension control
- Online excess fiber length measurement
- Diameter and quality monitoring systems
- Automatic dual take-up EKP 800 F / EKP 1000 F
- LOS / PSU line control, data logging, and production reports
- Remote assistance, service, upgrades, and spare parts
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