Insights

Exclusive insights from Lesjöfors

Heat treatment for spring steel: Optimal temperatures and materials
Heat treatment for spring steel shapes how steel behaves in real conditions. It strengthens the material, improves flexibility, and supports long service life. This guide takes you through the key stages of heat treatment and the temperature ranges used for common spring materials. You’ll see how different factors affect performance across applications, along with a […]
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The surprising impact of shot peening on spring fatigue & performance
Shot peening is one of the most effective ways to extend the fatigue life of springs. By refining surface conditions and introducing beneficial compressive stresses, it increases fatigue strength, raises endurance, and improves long-term reliability. In fact, studies suggest that shot peening can enhance fatigue life by as much as 30%.
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The Ultimate Guide to Testing Coil Springs: Methods, Metrics, and Standards
Coil springs may seem simple, but they perform a critical role in countless applications,  from agricultural machinery and precision instruments to automotive and aerospace systems. Ensuring that each coil spring delivers consistent force, deflection, and durability requires rigorous testing.
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How to Design a Spring: Specifications, Materials & Prototype Essentials
Designing a spring is as much about precision as it is about performance. Every coil, bend, and material choice influences how the spring behaves under real-world conditions. Whether it’s absorbing shock in an automotive system or withstanding extreme forces in energy applications, accuracy in design determines success.
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The Ultimate Coil Spring Design Guide: Expert Tips
Coil springs are among the most versatile mechanical components, found in everything from automotive suspensions to precision robotics. Getting their design right is critical for safety, performance, and long-term durability. Whether you need compression, extension, or torsion spring design, understanding the fundamentals of coil spring design is the foundation of a reliable solution.
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What is Shot Peening? Benefits for High-Performance Spring Action
In high-performance industries, springs are pushed to their limits, from aerospace landing gear to automotive suspensions. To endure these extreme stresses, they must be engineered with exceptional durability and reliability. One proven method for extending service life and boosting fatigue resistance is shot peening.
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