日産スプリング List of Products and Services

This is an introduction to the tension coil springs handled by Nissan Spring Co., a comprehensive spring manufacturer. 【Features】 ○ Thick wire diameter tension springs are also possible ○ Various hook shapes can be accommodated according to the counterpart parts and intended use ○ High initial tension springs, which are technically difficult to manufacture, can be produced using a unique manufacturing method ○ Materials used: ・SWC/SWP-A/SWP-B/SUS304-WPB/SUS316-WPA/SUS631J1-WP/Beryllium copper Other materials can also be accommodated ○ Wire diameter: φ0.1mm to φ6.0mm ● For other functions and details, please contact us.

• Spring

Introducing precision cold-formed compression coil springs handled by Nissan Spring Co., a comprehensive spring manufacturer. 【Features】 ○ Coiled springs with a very small D/d (spring index) Typically, a D/d (spring index) of 4 or more is standard, but due to high technical capabilities, we achieve 2.5 or more. ○ Used in various fields, including injectors for direct injection gasoline engines. ○ Advanced processing technology, exemplified by completely burr-free springs, is particularly valued. ○ Wire diameter ranges from φ0.025mm to φ12.0mm. ● For other functions and details, please download the catalog.

• Spring

This is an introduction to hot-formed compression coil springs for heavy machinery handled by Nissan Spring, a comprehensive spring manufacturer. 【Features】 ○ By enhancing inspection equipment and combining it with the high technical skills developed over the years, we aim to improve and standardize quality, producing the best springs daily. ○ We can accommodate not only mass-produced items using NC coiling machines but also small lot production utilizing inherited high technical skills. ○ Materials used: SUP-9/SUP-9A/SUP-9 polished/SUP-12 (other materials are also available). ○ Wire diameter: φ8.0mm to φ34.0mm. ● For other functions and details, please contact us.

• Spring

This is an introduction to automotive cold-formed compression coil springs handled by Nissan Spring Co., a comprehensive spring manufacturer. 【Features】 ○ Coiled springs with a very small D/d (spring index) Normally, a D/d (spring index) of 4 or more is standard, but thanks to our high technical capabilities, we achieve 2.5 or more. ○ Coil springs for nozzles ・Coil springs for diesel engine nozzles Our company can accommodate very small D/d (spring index) shapes. ○ Coil springs for common rail systems ・Ideal for common rail systems used in environmentally friendly next-generation diesel engines (clean diesel). ・Compact design with significantly increased injection pressure and frequency, fully compatible with fuel injection pumps for diesel engines. ○ Wire diameter φ0.025mm to φ12.0mm ● For other functions and details, please contact us.

• Spring