Spiral Torsion Springs

John Evans Sons is a leader in development of custom spiral torsion springs for your application.Cad drawing of a spiral torsion spring.

Various materials including carbon steel, stainless steel and specialty alloys are available for development projects.

Spiral torsion springs are used in applications, such as electrical motor contact brushes, that require short rotation (less than 360 degrees of rotation). They obtain a large amount of torque through a small amount of rotation.

The torque available per revolution is linear for the first 360 degrees. If the deflection is greater, the coils often “close out” or come into contact with each other, causing the torque to rise rapidly. We offer various details to attach the end of the springs.

Spiral Torsion Spring side view

Applications:
  • Industrial
  • Automotive
  • Electric Motors
  • Medical Devices
Spiral Torsion Springs

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Got A Question? Consult our Experts.

Our experts offer a depth of expertise to assist you with all parts of the process. We are ready to answer your questions in a timely manner and will help you define what you need. We produce custom springs for all purposes, and we are here to work with you on any of your customization needs.

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