Silicone Wire Extrusion Line

Silicone Wire Extrusion Line for High-Temperature Cable Production

The Parovi Silicone Wire Extrusion Line is designed for continuous production of high-quality silicone-insulated and silicone-sheathed wires and cables. The line combines precision extrusion, controlled heating and vulcanization, wire feeding, spark testing and take-up systems to achieve consistent insulation thickness, reliable cable geometry and stable production performance.

Designed for applications where flexibility, temperature resistance and dependable insulation are important, this silicone wire extrusion line can be configured for single-core, double-core, double-colour and double-layer silicone wire production.

The line is suitable for applications including automotive and EV wiring, medical and appliance cables, high-temperature electrical wires and other flexible wiring systems.

---

Key Features of the Silicone Wire Extrusion Line

The Parovi silicone extrusion line integrates multiple production systems into a continuous manufacturing process.

Infrared Heating System

The integrated infrared heating system supports controlled and uniform heating during silicone processing and vulcanization, helping maintain consistent production conditions.

Precision Pay-Off Unit

The pay-off system provides controlled wire feeding and stable tension during production, helping maintain smooth material movement through the extrusion line.

Extrusion Hoist and Die Assembly

The extrusion hoist and die assembly are designed for accurate material flow and consistent cable geometry during silicone extrusion.

Automatic Control Panel

The automatic control system provides convenient operation, temperature control and process monitoring throughout the production line.

Double Spool Coiling Unit

The double spool coiling system supports continuous production and efficient collection of finished silicone wires and cables.

Inline Spark Tester

The spark tester provides real-time detection of insulation defects, helping improve quality control during cable production.

Take-Up Unit

The take-up system handles the finished cable with adjustable speed and tension control for stable and efficient winding.

Technical Parameters

Model Number	PRV-065	PRV-090	PRV-120
Purpose	Used in continuous heating crosslinking vulcanization extrusion for silicone. It can produce single core, double cores, double colors, and double layers.
Input Wire Dia.	Φ0.5~5mm	Φ3~10mm	Φ5~15mm
Finished O.D.	Φ1.5~7mm	Φ5~12mm	Φ8~15mm
Extrusion Material	Silicone
Screw Parameter	L/D: 12:1, Screw Material: 38CrMoAlA, vacuum malcomising, surface grinded, chrome plated & polished.
Temperature Control Zones	8~10	10~12	10~12
Heating Power	22KW	37KW	55KW
Capstan Power	3.7KW	5.5KW	7.5KW
Main Extruder Power	90KG/H	180KG/H	270KG/H
Max Speed	Max speed 200M/Min, limited by temperature, length of heating tube, and wire specification.
Vulcanization Heating Pipe	16~20m	20~24m	20~24m
Accumulator Parameter	Φ250 11+10 grooves	Φ400 11+10 grooves	Φ450 11+10 grooves
Pay-off Type	Flying pay-off / active pay-off	Big passive pay-off / active pay-off	Big passive pay-off
Take-up Type	Φ400~630 Double axes take-up	Φ500~630 Double axes take-up	Φ800~1250 Big take-up without shaft

How Does a Silicone Wire Extrusion Line Work?

A silicone wire extrusion line uses a continuous production process to apply silicone insulation or sheathing around a conductor.

The general production sequence is:

Pay-Off → Wire Feeding → Silicone Extrusion → Die Sizing → Continuous Heating & Vulcanization → Cooling → Spark Testing → Take-Up / Coiling

The conductor is fed from the pay-off system into the extrusion section, where silicone material is processed and applied around the wire. The extruded insulation is then subjected to controlled heating and vulcanization to develop the required properties.

After the insulation process, the finished wire can pass through quality-control equipment such as the spark tester before being collected by the take-up or coiling system.

This continuous process is designed to provide stable production and consistent cable geometry.

---

Applications of Silicone Wire Extrusion Lines

Silicone insulation is suitable for applications where flexibility and temperature resistance are important.

The Parovi silicone wire extrusion line can be used for the production of:

Automotive & EV Cables

Suitable for high-temperature wiring applications used in automotive and electric vehicle systems.

Medical Cables

Suitable for selected medical-grade silicone cord and cable applications where flexible insulation is required.

Appliance Wiring

Used for silicone-insulated wires and cords used in electrical appliances and equipment.

High-Temperature Wiring

Suitable for wiring systems requiring silicone insulation for high-temperature operating environments.

Flexible Wiring Systems

The extrusion line can be configured for flexible silicone-insulated wires and cables used across different industrial and electrical applications.

---

Silicone Wire Production Capabilities

The line is designed for continuous heating, crosslinking and vulcanization extrusion of silicone. Depending on the selected machine configuration, it can produce:

• Single-core silicone wires
• Double-core silicone wires
• Double-colour wires
• Double-layer silicone cables
• Silicone-insulated wires
• Silicone-sheathed cables

The available PRV-065, PRV-090 and PRV-120 configurations provide different input and finished diameter ranges, allowing the extrusion system to be selected according to the required wire size and production application.

---

Why Choose a Parovi Silicone Wire Extrusion Line?

Choosing the correct extrusion line is important for maintaining consistent insulation quality and production efficiency.

The Parovi silicone extrusion system combines:

• Controlled silicone extrusion
• Continuous heating and vulcanization
• Precision wire feeding
• Automatic temperature control
• Inline spark testing
• Adjustable take-up and tension control
• Continuous coiling
• Multiple machine configurations

The combination of these systems provides a complete production solution for manufacturers producing silicone-insulated and high-temperature wires and cables.

---

How to Select the Right Silicone Wire Extrusion Line

The appropriate extrusion line configuration depends on the wire and cable specification and production requirements.

Important factors include:

1. Conductor Diameter

Select a machine configuration that supports the required input wire diameter.

2. Finished Cable Diameter

The required insulation thickness and finished outer diameter should be considered when selecting the extrusion configuration.

3. Production Capacity

Production requirements determine the appropriate extruder size and capacity.

4. Production Speed

The required line speed should be evaluated together with the wire specification, heating requirements and vulcanization process.

5. Cable Construction

Single-core, double-core, double-colour and double-layer production requirements may require different configurations.

6. Take-Up Requirements

The finished cable size and production speed determine the appropriate take-up and coiling arrangement.

For a machine recommendation based on your specific cable specification, production capacity and required output, contact Parovi Machines for a customized configuration.

---

Frequently Asked Questions

What is a silicone wire extrusion line?

A silicone wire extrusion line is a continuous production system used to apply silicone insulation or sheathing to wires and cables. It combines extrusion with controlled heating and vulcanization to produce finished silicone-insulated cables.

What material does the machine process?

The extrusion line is designed for silicone extrusion and continuous heating/crosslinking vulcanization.

What wire sizes can the machine process?

Depending on the model, the input wire diameter ranges from approximately Φ0.5 mm to Φ15 mm, while the finished outer diameter ranges from approximately Φ1.5 mm to Φ15 mm across the PRV-065, PRV-090 and PRV-120 configurations.

What is the maximum production speed?

The specified maximum speed is up to 200 m/min, with actual production speed depending on factors such as temperature, heating tube length and wire specifications.

Does the line include insulation testing?

Yes. The machine configuration includes a spark tester for real-time detection of insulation defects during production.

Can the machine produce double-core and double-layer silicone wires?

Yes. The specified system can produce single-core, double-core, double-colour and double-layer silicone wire configurations.

What industries use silicone-insulated cables?

Silicone-insulated cables are used in applications including automotive, EV, medical, appliance and high-temperature electrical wiring systems.

How can I get a quotation for a silicone wire extrusion line?

Contact Parovi Machines with your conductor diameter, finished cable diameter, insulation material, required production speed and production capacity. The appropriate machine configuration can then be recommended according to your requirements.

---

Request a Quote for a Silicone Wire Extrusion Line

Looking for a silicone wire extrusion line for your cable production facility?

Share your required wire size, finished cable diameter, production capacity and application with the Parovi Machines team.

Request a quotation and machine configuration from Parovi Machines.

Get Quote →