Tension springs, also known as extension springs, are coil springs, normally tightly-wound, that are loaded in tension. Tension springs usually have hooks or loops which are attached to components. If these components are moved or pulled apart, the spring opposes this extension, exerting a force to bring them together.

Tension springs have a wide range of uses and are found in many applications, such as switches, levers, braking systems, trampolines, tools, garage doors. They are used in a wide range of industries from rail and agriculture to oil, gas and aerospace engineering.

Tension Spring Parameters
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Compression Spring Parameters

Tension Spring Parameters

The following parameters are important in establishing the correct design of tension springs:

  • The size of any hole the spring works in

  • The loads/forces required and the lengths at which they are required

  • The maximum working deflection required

  • The frequency of operation

  • The operating environment. This will determine the choice of material and/or the choice of any finish for corrosion protection

  • How and where the spring is to be fitted. This will determine type of loops or ends required. There are many different forms of tension spring end

Compression Spring Parameters

Manufacturing Quality & Value For Life

JB Springs has over 128 years’ experience and expertise in the design and manufacture of tension springs.

Experts in Tension Spring Innovation

Utilising the latest spring design and production technology, we can manufacture tension springs and custom parts to help our customers across a wide range of industries and we always welcome the opportunity to help customers resolve any technical issues and obtain the best possible solution for their product.

Excellence is Our Standard

We have established an enviable reputation for quality in the manufacture of our tension springs and understand the importance of maintaining the very highest standards whilst ensuring delivery deadlines are met. Our emphasis on quality is evident throughout the factory and in our ISO 9001:2015 accreditation.

Do you have a tension spring requirement?

Contact Us

If you would like to find out more about how we can help during the design, sampling or prototyping process, or if you simply need a bit more help in specifying the type of tension spring you need, please don’t hesitate to call our friendly and helpful team on
01756 797979 or alternatively you can contact us using the form below.

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Complete and submit the form below providing as much detail as you can about your spring or project and we’ll get back to you as soon as we can.