High precision stainless steel spring for optical fiber made in Japan

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These precision coil springs are manufactured from Japanese stainless steel.

In addition to the general-purpose SUS304 spec,

we also deploy a range of materials to suit your needs,

including highly corrosion-resistant SUS316 and materials

that other firms find challenging, such as Hastelloy, titanium, and Inconel.

Our components are widely used in automobiles, ships, construction equipment,

and other fields.

They provide the needed load-bearing capacity under even the toughest conditions

of wear-and-tear.

We hold the world's top share of sales of springs for automotive mechanical seals.

Features: Strong load bearing in tight spaces, high precision

Material: stainless steel (SUS304, 316, 631), Hastelloy C, Inconel, titanium

Dimensions: outer diameter φ2~φ150mm, wire diameter φ0.1~φ10mm

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We offer our coil springs in a wide range of formats, from minimal 2~3.5 coil models

(not offered by other manufacturers because adjusting load-bearing capacity

at these small intervals is difficult) to springs with several dozen coils.

We work with you to provide the model you need in the material

and wire diameter you request.

2~3.5 coil springs

Varieties of coil and garter springs

Using custom, in-house techniques, we can apply curves to straight and conical springs.

Angle and length of curvature can also be adjusted to your needs.

These adjustments can serve to create a detent to keep the spring from rotating when affixed.

In order to provide clients with the precision components they require,

we eschew ready-made coil spring machines and create custom,

in-house hardware and software solutions.

On the software side, we have developed specialty tools based on our long years of experience

and know-how in this area; this software is compatible with all existing coil spring machines.
Our proprietary technologies allow us to coil challenging materials like Hastelloy, titanium,

and Inconel with ease, and work on springs with minimal (2~3.5) coils.

View inside the factory

We consult with the customer on expectations and uses at the planning stage

to find the optimum spring for them. We work hard at every aspect,

from prototyping, evaluation, and feedback, all the way to production.

We developed our own lot management system to manage drawing numbers, material quality,

wire diameter, and wire shape. The system uses bar codes to minimize human error.

The system integrates management of product specs, traceability, production planning, and more.

ISO9001 certified

Example of standard packaging

Example of custom ordered specialized packaging

Pallet packaging