These springs, which are generally called coiled springs, flex according to the compressive load.
They come in several shapes depending on their use: conical, barrel-shaped with a bulge in the middle, uneven pitch, long coils (up to 500 meters at Aoi Spring), and so on.
Compression coiled spring with hook
Wire diameter: Φ2.3mm
Application: Automotive parts
Compression coiled spring with terminal
Wire diameter: Φ0.55mm
Application: Home appliances
Elliptical compression coiled spring
Wire diameter: Φ0.7mm
Application: Motorcycle parts
Ultra-small variable-pitch compression coiled spring
Wire diameter: Φ0.12mm
Application: Electronic parts
Compression coiled spring with tab
Wire diameter: Φ2.5mm
Application: Pump parts
Track Record by Wire Diameter
φ 0.1 – φ 22.0
Materials Track Record
|SUS631 (precipitation hardening)
|Inconel (for heat resistance)
|nickel plated wire
side mirror mechanical components
electric pump components
What Makes Aoi Spring Special
* We produce designs tailored to what the customer wants to do with the spring.
* Since we can also fabricate with special materials, Aoi Spring can handle material qualities suited to the environment where your spring will be used.
* Thanks to our state-of-the-art equipment, we can make springs that normally require an hour to churn out 2,000 units at an accelerated rate of 6,000 springs per hour.