Technology
Production Facilities

Akishima Plant

Since its inauguration in 1963, it has strived for advancement in production technology and improvement of product quality.

Main Facilities

Shearing Machine 2 units 25T X 90B MAX
Eye Forming Machine (# 1) 1 unit 16T X Φ60 MAX
Eye Forming Machine (# 2) 1 unit 18T X Φ82 MAX
Taper Forming Machine 2 units 18T X 250L MAX / 25T X 400L MAX
Heating and Quenching Equipment 1 unit Width 2.4m x Length 7m (2.5ton/hr) MAX
Tempering Furnace 1 unit Width 2.4m X Length 10m (1.5ton/hr) MAX
Shot Peening Machine 1 unit Projection Rate 520kg/min (@speed 80 m/s)
Wet Bench Magnetic Particle Detector 1 unit AC/DC Magnetization, Axis/coil electrification, Horizontal Wet type device
Parabolic Rolling Machine 1 unit Width 100mm, Thickness 50mm, Rolling
Length 2,500mm MAX
Camber Forming Machine 1 unit Width 100mm, Thickness 36mm, Leaf Length 2,000mm MAX
Stress Shot Peening Equipment 1 unit Width 100mm, Thickness 36mm, Leaf Length 2,000mm MAX

Production Facility

Control Board for Production Machines

Device for controlling Rolling Machine, Camber Forming Machine, Stress Shot Peening Machine, etc.

Rolling Machine

Computer controlled rolling operation

Camber Forming Machine & Heating and Quenching Equipment

Various shapes can be formed based on computer data

Stress Shot Peening Equipment

An indispensable process required to improve durability of the spring.

Why we can offer High Quality and High Reliability

The know-how and experience which we have accumulated over the years making products for many kinds of vehicles and for various uses at our safe and reliable factory enables us to offer quality products which meets our customer’s high standards.

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Contact

NAKANO SPRING Co.,Ltd.

11-17, 4Chome, Shibaura, Minato-Ku,
Tokyo 108-0023 Japan
TEL +81-(0)3-3451-3920
FAX +81-(0)3-3451-3978