Custom Springs

We are ready to take on any challenge!

From large springs to small springs, here we introduce our springs that never fail to live up to expectations.

Flat Spiral Springs

Energy-saving and space-saving to generate force in the direction of rotation.

Features Of Our Springs

A flat spiral spring is made by winding a band-shaped material so that its central line forms a spiral on a plane, and acts as a spring by applying an external force to one end of the spring. Given that it can store large amounts of energy in a relatively small space, it is used as a power source for familiar objects and purposes such as in watches or moving large structures. There are two types of shapes, one in contact with the material and one not in contact with the material. The shape is selected according to the spring’s load characteristics and application.

A Spring Brought to Life with the Skills of Our Craftsmen

Speaking of flat spiral springs, we tend to think of small ones such as the ones used in watches, but at Tokai Spring we can design and manufacture flat spiral springs of all different sizes that emphasize functionality. Depending on the shapes, we also have flat spiral springs that are made by molding a band material of 20 to 30 meters.

Key Points on Our Devotion to Handmade Springs

In order to fix and operate our flat spiral springs, we must machine the central part and the outer peripheral part of the flat spiral spring, but we do not offer a specific shape, and will implement the fixing method and machining of the fixed part according to your request.

  • We support design and production even for small lots of one or two springs
    In the spring industry, our “complete custom-made production & high-mix, low-volume manufacturing” is an extremely unique production system which has not changed since our founding.
    We guarantee to deliver the quantity you need, when you need it, at high quality.
  • We support all kinds of environments with the likes of heat resistance, corrosion resistance, and durability
    Springs are very sensitive to high and low temperatures and corrosive atmospheres such as rust. Tokai Spring conducts daily verification tests to properly maintain the performance of our springs in any environment such as at temperatures of 100°C or higher, -20°C or lower, as well as for applications in which our springs are exposed to seawater or industrial water!
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