Double Belt Press Machine for Thermoplastic Composite Sandwich Panels Manufacturing

  • Oil-Electric Hybrid Heating System
  • From 1500mm-3000mm Width
  • The World’s First 50*120 Wide-Body Aluminum Square Tubing
  • Woring for Thermoplastic Foam & Honeycomb Core
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One-Stop Service For Lightweight Fiberglass Material

Thermoplastic skins or laminate sheets are composite sheets composed of Continuous Fiber Reinforced Thermoplastic (CFRT) unidirectional prepreg tapes, arranged in one or more combinations of fiber orientations, such as 0°, 45°, -45°, 90°, etc.

These sheets are manufactured through a process involving both hot and cold pressing.

Additionally, they can be integrated with high-performance core materials, including honeycomb sandwich panels, PET foams, polyurethane panels, among others, or can be combined with non-woven materials to create innovative sandwich composite panels

double belt press machine with cover
Double Belt Press Machine

Jota Machinery: Your Reliable CFRTP CFRP Prepreg Machine Manufacturer in China

Jota is the original CFRTP CFRP prepreg machine manufacturer here in China.

With our own factory and CNC center, equipment quality could be effectively guaranteed.

Please send us an inquiry to make a WhatsApp video call, let’s show you our real-time factory and CNC center.


Jota CNC Center

CFRT Composite Sandwich Panels

  • Thermoplastic composites have more impact strength than short fiber
  • The core material can be foam or PP/PET honeycomb
  • An ideal lightweight advanced product in the 21st century
  • Working for RVs, EVs and refrigerated containers
Offline debugging and training

Installation and operation user manual, wire connection diagram, tension controller guide.

100% Response for offline training

One-on-one remote video call assistance.

On-site installation and operation guidance.

What's the delivery time?

Around 30-45 days, mainly depends on machine type.

Could you help us to buy other goods?

Sure, it is our honor to work for you.

If the machine's spare parts are broken, where could I get?

We will offer you some parts as backup, in case any part is broken within one year, we will sent you for free.

Could you tell us your client’s contact for us to checking machine on site?

Sure, if we have client in your country, we will offer.

Contact Our Support Team

Advancements in Carbon Fiber Composites Materials for Static Protection in High-Speed Rail Locomotives

High-speed rail has emerged as the preferred mode of transportation, driven by its rapid and consistent speed.

However, the evolution of high-speed railways demands structural materials with characteristics such as lightweight, high strength, and high modulus.

Consequently, carbon fiber composites materials have become the favored choice.

During high-speed operations, locomotives experience continuous friction with dry air, leading to significant surface temperature fluctuations on composite materials and subsequent accumulation of static electric charges.

speed rail

When the static electric potential of the train body exceeds several kilovolts, it poses a substantial threat to passengers and crew onboard.

Static discharge can result in electromagnetic interference with the vehicle’s electrical equipment, power source and sensor damage, and degradation of surface material performance, posing a serious risk to operational safety.

To address these challenges, several considerations are imperative:

Investigation into the static electrical properties of locomotive surface materials.

High-speed rail locomotives necessitate composite materials with superior properties, including high temperature resistance, corrosion resistance, high specific strength, high specific modulus, and conductivity.

While resin-based composite materials exhibit poor conductivity, carbon fiber composite materials can serve as both structural materials and electromagnetic shielding materials for high-speed rail locomotives.

Common methods for achieving static protection using composite materials include utilizing the inherent conductivity of carbon fiber, applying a metal conductive film, or coating with a conductive layer.

Optimal solutions involve embedding metal grids or spraying metal aluminum on high-performance carbon fiber composite material surfaces to achieve equipotential static protection design, like Faraday’s ice pail experiment.

Since the electrical resistance performance of carbon fiber composite materials can be unstable, material testing is essential before use.

Additionally, chemical metallization of carbon fibers may be employed to enhance conductivity and shielding efficiency.

Assessment of the antistatic performance of carbon fiber composite materials.

As the utilization of carbon fiber composites material in high-speed rail is relatively new, establishing relevant standards is imperative to ensure compliance with high-speed rail safety, energy conservation, environmental protection, and lifecycle cost reduction requirements.

This step is essential to further enhancing safety redundancy.

China’s rail transportation equipment, particularly high-speed EMUs, has attained global prominence after years of development.

With the expansion of the rail network and the increasing size of high-speed EMUs, the application of composite materials has become more widespread.

Given the continuous expansion of composite material usage and the evolving electrical and electronic equipment landscape, addressing the impact of composite material electrical properties on high-speed rail characteristics is crucial to operational safety and equipment efficiency.

Therefore, during the  research process of key technology projects, the design of antistatic technology for continuous carbon fiber thermoplastic composites material and the formulation of relevant standards should be prioritized.

Establishing national standards for electrostatic discharge and contributing to industry standards for experimental environments will bolster the safety and reliability of rail transportation equipment, ensuring efficient and orderly operation and enhancing passenger comfort and overall societal benefits.

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