LFT-D Process Solutions from Langzauner – Custom-Built Systems for High-Strength Thermoplastic Components
Langzauner is your specialized engineering partner for the direct processing of long-fiber reinforced thermoplastics – known as the LFT-D process (Long Fiber Thermoplastic – Direct). With decades of experience, state-of-the-art engineering, and Austrian precision, we deliver tailor-made LFT-D systems for components with the highest mechanical requirements – from laboratory applications to large-scale production.
What Is the LFT-D Process – and Why Is It a Game Changer?
The LFT-D process combines thermoplastic polymer granules and continuous fibers – such as glass or carbon rovings – directly in a twin-screw extruder. By precisely impregnating the fiber strands with the polymer melt, this method produces components with exceptional strength and optimal energy absorption.
What Advantages Does LFT-D Offer Compared to Conventional Processes?
LFT-D components stand out for:
- Fiber lengths >10 mm for exceptional strength and stiffness
- Outstanding crash performance – ideal for safety-critical components
- High heat resistance for demanding environments
- Targeted reinforcement for maximum weight reduction with equal performance
- Extensive design freedom, even for complex geometries
- Short cycle times and cost-efficient mass production
- Full recyclability thanks to thermoplastic matrices
Your Advantages with an LFT-D System from Langzauner
- Turnkey system solutions: We integrate proven components from leading manufacturers into complete LFT-D production lines – including twin-screw extruders, convection ovens, and fully automated press systems with closing forces up to 100,000 kN.
- Intelligent process control: Our systems offer precise dosing, zone-controlled heating up to 450 °C, and maximum repeatability – ensuring consistently high-quality components.
- Scalability and customization: Whether prototyping, medium-scale, or industrial production – we design LFT-D systems tailored precisely to your requirements, scalable, modular, and future-proof.
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Technologies That Advance Your Production
Innovative additional functions for your LFT-D manufacturing with Langzauner systems:
- Tailored blanks: Locally reinforced areas for targeted performance
- Hybrid injection molding: Combining different materials in a single process
- Foam injection molding: Reduced weight with unchanged structural strength
- Remote maintenance & Industry 4.0: Digital system monitoring and quality assurance
Which Industries Benefit Most from LFT-D?
LFT-D technology enables efficient production of fiber-reinforced thermoplastic components with high mechanical strength. It is used wherever lightweight design and functional integration are essential.
Key application areas include:
- Automotive industry: e.g., battery housings, seat structures, front-end modules
- Industrial & logistics: Heavy-duty pallets, load carriers, machine housings
- Construction: Formwork elements, panels, durable floor plates
- Aerospace: Lightweight structural components with maximum weight savings
- Sports & leisure: High-performance functional components
Why Choose Langzauner?
Langzauner stands for uncompromising quality and collaborative process solutions. As an experienced machine builder in the composites sector, we deliver tailor-made LFT-D production lines with absolute precision. From the first consultation to commissioning and serial production, we support your project with extensive expertise, technical depth, and genuine service commitment.
- Technology leadership in LFT-D system engineering
- Modular, scalable system solutions
- Engineering, manufacturing & service from a single source
- Reliable quality “Made in Austria”
