Long Fibre Injection – LFI

Long Fibre Injection (LFI) Solutions for Automotive Components: LFI Process for Automotive Parts

As a specialist in custom machine engineering, Langzauner offers extensive expertise in developing and manufacturing hydraulic press systems and automation solutions for Long-Fibre Injection (LFI) composite production. Our tailor-made systems are designed to meet the high demands of the automotive industry, enabling the production of essential components such as lightweight foam cores for electric vehicle (EV) underbody protection.

Your Benefits with LFI Solutions from Langzauner

The use of LFI technology is continuously increasing in automotive manufacturing because it enables the production of lightweight, durable, and cost-efficient components. The advantages of Long Fibre Injection are clear:

  • Design flexibility
  • Integration of functional elements
  • High impact and wear resistance
  • Production of large, lightweight components with smooth surfaces

By implementing LFI technology, manufacturers can achieve significant weight reductions and cost savings while ensuring high mechanical performance and product quality.

Long Fiber Injection

Custom-Engineered Systems for efficient LFI Processes

In the automotive industry, cost savings, increased efficiency, and productivity – while maintaining the highest precision and consistent quality – are of utmost importance. This is why Langzauner focuses on integrated solutions for LFI production to make component manufacturing as efficient as possible.

We develop customized automation solutions around the press system, covering everything from raw material processing to the automated discharge of finished LFI components. Langzauner’s LFI systems include:

  • Spray technology: Precisely controlled spraying systems ensure uniform and high-quality material application.
  • Hydraulic presses with tool temperature control: Advanced press systems with optimal temperature management for precise shaping.
  • Robotic material handling: Automated systems enable efficient and accurate material movement.
  • Labeling: Precise labeling for easy traceability and quality control of components.
  • Component cooling: Efficient cooling systems ensure shape stability and part quality.
  • Punching and trimming: Clean and precise finishing to meet stringent automotive standards.
  • Automated discharge: Fully automated handling to optimize production flow and increase production capacity.

Every upstream and downstream process step, as well as the hydraulic press system, is designed and implemented according to your production process requirements. This ensures maximum process quality in LFI production. Additionally, our LFI systems are seamlessly integrable into Industry 4.0 processes.


Langzauner-Nassaufbereitungsanlage

Typical Applications
of LFI Technology

Long Fibre Injection technology is revolutionizing the production of lightweight and high-strength composite components across various industries. By combining long glass fibers with thermosetting resins, LFI processes enable the manufacturing of components with outstanding mechanical properties and high design flexibility, making them advantageous for numerous applications.

The most common LFI Applications at a glance:

  1. Automotive Industry
    • Underbody protection for electric vehicles (EVs): LFI is used to produce lightweight foam cores for underbody protection components that are both light and impact-resistant, meeting the high safety and efficiency requirements of EVs.
    • Interior trim parts: The LFI process enables the production of lightweight door panels, dashboard components, and other interior parts, improving both design and vehicle weight reduction.
    • Bumpers and front spoilers: Long Fibre Injection is ideal for producing high-strength bumpers and spoilers that are both impact-resistant and lightweight.
    • Trunk linings and covers: LFI technology facilitates the production of functional and lightweight trunk linings, contributing to the overall performance of the vehicle.
  2. Commercial Vehicles and Buses
    • Large exterior panels: LFI is used for side panels and roof components, providing the necessary rigidity and low weight required for commercial vehicles.
    • Cabin components: Long Fibre Injection also enables the production of robust and lightweight cabin parts, enhancing fuel efficiency.
  3. Construction and Agricultural Machinery
    • Protective covers and exterior components: LFI is suitable for durable and weather-resistant covers and components used in construction and agricultural machinery. Despite high stiffness, LFI components resist wear, deformation, cracking, or breakage.
  4. Recreational Vehicles
    • Housings and exterior parts for RVs and boats: LFI technology is ideal for manufacturing lightweight and durable components that enhance the performance and handling of recreational vehicles.
  5. Household Appliances
    • Housings for large appliances: LFI processes are used to manufacture long-lasting enclosures for household appliances, offering an optimal balance of strength and aesthetic design.

As a custom machine builder, Langzauner specializes in manufacturing LFI systems for a wide range of applications. The LFI process is customized to meet the specific production requirements of our clients. Our tailor-made hydraulic presses, combined with expertise in automation and digitalization, ensure maximum efficiency and quality in Long Fibre Injection technology.

Your turnkey provider for Long Fibre Injection

With Langzauner, you choose a turnkey provider that plans, builds, commissions, and supports your new LFI system – all from a single source:

  • Basic and detailed engineering: From concept development, including feasibility studies, to design and detailing, all expertise resides within our team.
  • Quality management & testing: Test runs are conducted together with the customer at our Langzauner facility.
  • System handover: Turnkey system delivery, including logistics (transport & customs clearance), on-site installation and commissioning.
  • Service & maintenance: Langzauner provides system maintenance, process optimization, and customized employee training.

Our comprehensive one-stop service is highly valued by our international customers and offers maximum security, flexibility, and efficiency.


Automatisierung

automatisierung

Composite-Pressen

Compositepressen

Holzbearbeitung

holzbearbeitung

Metallbearbeitung

langzauner-metallbearbeitung

OUR PRESSES OFFER:

  • Hydraulic press systems up to 50,000 kN
  • Servo hydraulics, high accuracy and energy efficiency (details and servo hydraulics)
  • Active parallel control
  • Swivel unit for swiveling the upper mold tool
  • Automatic mold tool change system
  • Storage and retrieval machines
  • Warehousing
  • Handling
  • Robotic and gripper technology for loading and unloading
  • Single or double shuttle table
  • Heating and cooling systems up to 450 °C
  • Heating plates and cooling plates
  • Vacuum Systems
  • Flexible software with full traceability
  • Data backup
  • Turnkey production lines for mass production