In modern industry, the pursuit of robust, durable, and efficient connections is essential to meet the demands of sectors such as automotive, agriculture, and mining. Friction welding, an advanced technology that uses heat generated by friction to join materials, stands out for its ability to create high-strength joints without compromising component integrity. Leax Brazil is a global reference in applying this technique, producing parts such as shafts and gears with superior quality.

What is Friction Welding and When to Use It?

Friction welding is a solid-state joining process that uses thermal energy generated by friction between two parts to create a strong, homogeneous connection. Unlike traditional methods, such as fusion welding, it does not melt the materials, preserving their mechanical properties. This technique is ideal for:

• High-strength components: Such as propeller shafts, universal joints, and transmission shafts used in heavy vehicles and agricultural machinery.
• Dissimilar materials: Enables the joining of different metals, such as steel and aluminum, common in electric vehicles.
• Precision applications: Where structural integrity and durability are critical, such as in automotive transmissions.

Leax Brazil uses friction welding to produce components that meet the needs of global automakers, ensuring performance in extreme operating conditions.

Benefits of Friction Welding

Friction welding offers significant advantages for industries seeking efficiency and quality:

• High strength: Welded joints have strength comparable to the base material, ideal for high-load applications.
• Precision and consistency: The controlled process reduces defects, ensuring uniform connections.
• Sustainability: By not using consumables such as gases or electrodes, it is an eco-efficient technique aligned with Leax’s sustainability goals.

These benefits make friction welding a strategic choice for the automotive and agricultural industries, where durability and efficiency are essential.

Advanced Technology at Leax Brazil

Leax Brazil combines its expertise with investments in cutting-edge technology. We integrate Industry 4.0 technologies, such as automation and data analytics, to optimize production and ensure the quality of each component.

Quality Control: Leax’s Differentiator

Maintaining quality in friction welding requires rigorous processes and technical expertise. At Leax, we implement:

• 3D measurement: To ensure geometric precision in each part.
• International certifications: Our processes comply with standards such as ISO 9001, required by the automotive sector.
• Continuous training: Our team is trained to operate cutting-edge equipment and uphold high standards.

Sustainability in the Welding Process

Friction welding is inherently sustainable, as it eliminates the need for additional materials and reduces energy consumption compared to traditional methods. This approach not only reduces environmental impact but also adds value for clients committed to environmental responsibility.

Aplicações em Diversos Setores
A solda por fricção da Leax é aplicada em componentes para diversos setores:

Applications Across Various Sectors Leax’s friction welding is applied to components for various sectors:

• Automotive: Transmission shafts and universal joints for heavy and electric vehicles.
• Agriculture: Parts for tractors and implements, ensuring robustness in challenging terrains.
• Mining and Construction: Components that withstand high loads and extreme conditions.

Leax Brazil’s friction welding delivers robust, durable connections perfect for modern industry. With technology, sustainable processes, and a client-centric approach, we are ready to support your production with excellence. Request a tailored quote and discover how our solutions can transform your operation!

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Questions? Make Contact: info.leaxdobrasil@leax.com

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Why Are Gears Crucial for Electric Vehicles?
Electric vehicles operate with transmission systems distinct from combustion engines, requiring gears that function at high speeds with superior energy efficiency. These gears must be compact, lightweight, and quiet, ensuring a smooth driving experience and greater range. Leax Brazil develops gears for electric vehicles that meet these requirements, using advanced geometric modeling and GHO cutting technology. These tools enable precise tolerances, reducing vibrations and energy losses, which is essential for automakers seeking to optimize performance and user experience in EVs.

Investments in Cutting-Edge Technology
With over four decades of expertise, Leax combines its Swedish culture with continuous innovations. Our factories, located in several countries, including Brazil, use state-of-the-art equipment, such as high-precision CNC machines and 3D measurement systems, to produce gears with unmatched quality. GHO technology, for example, ensures gear cutting with international standards, meeting the specifications of global leaders. Our heat treatment processes ensure durability and corrosion resistance, even in challenging operating conditions faced by high-performance electric vehicles.

Sustainability in Gear Production

Electric mobility is intrinsically linked to sustainability, and Leax Brazil reflects this commitment in every stage of production. Since 1982, we have adopted eco-efficient practices, such as the use of recyclable materials and the reduction of emissions in our manufacturing lines. Our low-carbon heat treatment processes minimize environmental impact, aligning with the demands of automakers prioritizing green supply chains. This approach not only complies with global regulations but also adds value for clients seeking partners committed to a sustainable future.For the electric vehicle market, we offer gears optimized for high-efficiency transmissions, reducing operational costs and increasing competitiveness.

Competitive Advantages of Leax Gears
Our gears for electric vehicles offer clear benefits for automakers:

• Energy Efficiency: Optimized designs minimize energy losses, increasing EV range.
• Durability: High-strength materials and precise machining ensure long lifespan.
• Quiet Operation: Strict tolerances reduce noise, improving the driving experience.
• Advanced Customization: Tailored solutions to meet each automaker’s technical specifications.

• Our specialized technical support, with teams dedicated to electric mobility projects, ensures that each client receives continuous assistance, from design to implementation.Leax in the Context of the Global Electric Market

The electric vehicle market is experiencing rapid expansion, with projections indicating continuous growth in the coming years. Leax Brazil is positioned to lead this movement, offering gears that combine innovation, efficiency, and sustainability. Our experience in supplying components to global brands and our ability to adapt to the electric sector’s demands make us ideal partners for automakers seeking to stand out. Our integration with Industry 4.0 technologies, such as automation and data analytics, allows us to optimize processes and offer even more precise solutions.

Our client-centric approach, combined with investments in technology and sustainability, positions us as leaders in the transition to electric mobility. Whether for agricultural, commercial, or passenger vehicles, Leax offers solutions that drive automakers’ success.

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Benefits of Outsourcing Machining in Automotive Production

Outsourcing machining enables companies to focus on core activities such as product design, development, and market strategies while delegating complex, technology-intensive processes to specialized partners. In 2025, with the advancement of Industry 4.0, outsourcing has gained even greater relevance due to the need to integrate technologies like automation, the Internet of Things (IoT), and artificial intelligence into production processes.

Cost Reduction: Outsourcing eliminates the need for investments in high-precision CNC machining equipment, specialized training, and equipment maintenance. Leax do Brasil, for instance, leverages cutting-edge technologies like soft and hard CNC machining, ensuring precision and efficiency without the client bearing infrastructure costs.

Enhanced Quality and Precision: High-precision machined parts are critical for the performance and safety of both heavy and light vehicles. Leax do Brasil invests in processes such as heat treatment and surface coating, ensuring durability and corrosion resistance, essential for automotive components.

Flexibility and Scalability: Outsourcing allows companies to quickly adjust production to market demands, avoiding risks associated with idle capacity or equipment overload. With facilities in Brazil, Europe, and Asia, Leax provides global solutions with local proximity, meeting each client’s specific needs.

Sustainability and Compliance: In a landscape where sustainability is a competitive edge, Leax do Brasil reinforces its commitment to ESG (Environmental, Social, Governance) practices. The company received the Clima Paraná Standard A Seal for the second consecutive year in 2024, highlighting its efforts to reduce emissions and promote responsible resource management.

The Importance of Continuous Process Improvement in the Automotive Industry

Process optimization is a cornerstone of competitiveness in the automotive sector. In 2025, the adoption of Industry 4.0 technologies, such as real-time data analytics and predictive maintenance, enables companies to identify bottlenecks, reduce waste, and enhance operational efficiency. Leax do Brasil implements continuous improvement methodologies, such as Lean Manufacturing, to ensure processes are agile and aligned with market demands.

The company also invests in advanced training, such as the Non-Destructive Testing by Magnetic Particles course held in October 2024, which elevates the quality of produced components. These initiatives ensure that parts like cardan shafts, flanges, and yoke terminals meet the highest quality standards required by the automotive industry.

Parts Localization: A Strategy for Growth in Brazil

Parts and process localization is a strategic approach for companies looking to expand operations in Brazil. This process involves replacing imported components with locally produced parts, reducing logistics costs, import taxes, and exposure to currency fluctuations. Leax do Brasil, based in Araucária, Paraná, since 2012, provides comprehensive support for localization, from developing local suppliers to integrating production processes.

In 2025, localization aligns with local industry incentives, such as the Rota 2030 program, which promotes innovation and sustainability in Brazil’s automotive sector. Leax collaborates with clients to adapt components to local specifications, ensuring compliance with regulations and optimizing the supply chain.

How Leax do Brasil Makes a Difference

With a focus on excellence, innovation, and collaboration, Leax do Brasil positions itself as a strategic partner for the automotive industry. The company combines global expertise with local knowledge, offering tailored solutions that include machining, heat treatment, assembly, and testing. Additionally, Leax reinforces its commitment to sustainability, implementing practices that minimize environmental impact and promote social responsibility.

Leax’s participation in the IAA Transportation 2024 in Hannover showcases its global relevance, where it presented innovations in components for heavy vehicles, such as toothed shafts and couplings. This expertise enables Leax to help clients address market challenges, from cost optimization to adapting to technological and regulatory trends.

Outsourcing machining and localizing parts are indispensable strategies for the automotive industry in 2025. By partnering with Leax do Brasil, companies can achieve greater efficiency, quality, and sustainability while adapting to the demands of an ever-evolving market. With its innovative approach and commitment to excellence, Leax remains a vital ally for growth and competitiveness in Brazil.

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