Torsion springs (leg springs) transmitting torque precisely
PIERON torsion springs are the ideal solution when defined torques need to be generated or controlled in a tight installation space. We develop customer-specific torsion springs (leg springs) tailored to your technical requirements – through the targeted selection of materials, wire cross-sections and geometries. Our production guarantees the tightest tolerances and maximum precision – for reliable use in high-precision systems. Automated packaging concepts help our customers achieve their ambitious productivity targets.
Specialities
- Small torque tolerances
- Torsion springs with max. 2 coils (toggle springs)
- Every conceivable bend
- Short-notice sample production
Applications
- Automotive – engines and clutch systems
- Locking systems
- Gear technology
- Various switches
Dimensions
- Wire diameter: 0.3 – 4.5 mm spring-hard
- Wire diameter: 0.3 – 7.0 mm soft
- Wire profiles other than round wire by arrangement
Material
- All spring materials and low-strength quality steels
Surface coating
- Commercially coated spring steel wire
- Subsequent surface coating by arrangement
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Torsion springs from Pieron – FAQ
What is a torsion spring?
A torsion spring is a mechanical spring wound from wire that is used to store and transmit torque. It is often used in applications that require a restoring force or controlled movement. Torsion springs can be loaded in both the closing and opening direction and are available in various forms, including leg springs and double torsion springs.
How do torsion springs work?
A torsion spring works on the principle of twisting the wire. Under load, the spring stores energy that is released again when the load is removed. The legs of the spring transmit the torque to adjacent components. PIERON optimises this principle through exact calculation, precise CNC coiling and custom designs to ensure optimal performance under a wide range of load and application profiles.
How are torsion springs made?
At PIERON, a torsion spring is manufactured in several steps. PIERON uses high-quality materials such as spring steel, stainless steel and special alloys, depending on the application and the requirements for corrosion resistance or strength. CNC-controlled machines coil the wire with high precision, processing a wide range of dimensions from very small to large wire diameters to meet a wide variety of customer requirements. Optimised heat treatment processes reduce stresses to guarantee durability and reliable restoring forces. PIERON offers a range of surface coatings, such as galvanising, phosphating, powder coating or individual painting, to increase corrosion and wear resistance. Every spring is tested for functionality and quality to ensure compliance with the highest quality standards and to meet our customers’ expectations.
What makes PIERON torsion springs so special?
In addition to standard solutions, PIERON also manufactures complex special solutions tailored specifically to customer requirements. These include, for example, torsion springs with variable coil diameters or combined leg shapes. State-of-the-art manufacturing techniques and quality controls make it possible to cover a wide range of wire diameters and a great variety of spring diameters. This allows us to produce both very small, delicate torsion springs and robust industrial ones. The choice of high-quality, specialised materials, including corrosion-resistant stainless steels and special alloys, allows use in demanding environments. PIERON relies on continuous research and development, combining traditional expertise with modern technologies to offer innovative solutions that meet the latest technical standards.
In which industries are PIERON torsion springs used?
- Automotive
- Electrical and electronics industry
- Sports and leisure industry
- Furniture industry