中野鍛造所 List of Products and Services

■ Under our unique integrated production system, we thoroughly pursue precision and quality to ensure that the first product and the millionth product are identical. ■ Skilled technicians well-versed in mold and forging work directly together to achieve production speed of "as fast as 7 business days." ■ With high-precision machines and advanced maintenance techniques from our forging engineers, we have succeeded in bringing the defect rate close to zero. ■ Utilizing the world-class Yasuda high-precision jig borer, we finish high-precision molds with a two-sided clamping holder. ■ In addition to proposals for weight reduction, material savings, and reduced cutting, we actively contribute to the development of our customers' new products. * For more details, please refer to the PDF or contact us.

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Nakano Forging Works has maintained a policy of providing high-quality products since its establishment. By introducing new forging technologies using advanced forging machines, we ensure product quality that surpasses previous standards while achieving cost reductions. This is made possible through the consolidation of processes and the stabilization of product reproducibility and quality via numerical control (NC). Furthermore, by shortening production lead times, we significantly contribute to fast delivery and the production of a wide variety of small lots for our customers. **Features** - We have introduced forging technology with excellent product reproducibility through precise numerical control executed by dedicated computers. - We have successfully reviewed traditional manufacturing methods and consolidated manufacturing processes, achieving a rational allocation of personnel and reducing labor costs. - Through precise mold design simulations, we have enhanced mold accuracy, improved forging precision, and reduced the defect rate to nearly zero. - We have implemented a system for producing hollow molded products without burrs, achieving approximately a 30% reduction in material costs and promoting resource conservation. - Compared to the screw press method, we have improved mold misalignment accuracy by 50%, enhancing the core stability of hollow punches to about 1/10 (*). *For more details, please download the PDF or contact us.

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■About Various Cutting Process Parts Similar to near-net-shape processing in cold forging, in hot forging, high-precision forming that is as close to the finished product as possible can be achieved during the forging process. This allows for cutting processes to be performed with minimal machining. Such reduction in machining leads to improved finishing accuracy of parts and a significant reduction in the rate of defective products. *For more details, please refer to the PDF or contact us.*

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■About Forged Iron Parts Iron parts are utilized in various civil engineering and construction components, taking advantage of their high strength and flexible workability. Additionally, they are used as alloyed iron (ferroalloy) with various metals for industrial production molds, tools, and cutting tools. Furthermore, they are employed in all fields, from bolts and nuts to industrial machinery parts and railway vehicle and automobile engine components. 【Features】 ■ Improved durability and strength compared to conventional parts, along with maintenance-free characteristics ■ Enhanced cost performance of parts through VE/VA proposals ■ New design and development of forged products based on 3D sample shapes ■ Cost reduction through lower material costs, resource conservation, and energy savings ■ A desire to review costs associated with ordering parts *For more details, please refer to the PDF or contact us.*

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■About Stainless Steel Forged Parts Stainless steel is utilized for its high strength and excellent corrosion resistance, being adopted as a construction material for high-durability stainless steel rebar and the exteriors and roofs of buildings exposed to wind, snow, and salt damage. It is also used in various industrial fields, including pressure vessels and valves in semiconductor manufacturing equipment that handle corrosive gases, as well as various automotive parts. 【Features】 ■ Improved durability and strength compared to conventional parts, along with maintenance-free characteristics ■ Enhanced cost performance of parts through VE/VA proposals ■ New design development of forged parts based on 3D sample shapes ■ Reduction in material costs and production costs ■ Review of costs associated with parts ordering ■ Improvement of heat resistance while addressing the decrease in part strength in low-temperature environments ■ Desire to enhance corrosion resistance in harsh environments such as chemical plants ■ Aim to manufacture stainless steel parts for superconducting-related equipment in a non-magnetic form ■ Interest in producing parts that can be used in ultra-low temperature environments, such as refrigeration valves, etc. *For more details, please refer to the PDF or contact us.*

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■About Aluminum Forged Parts Aluminum parts are lightweight and high-strength, making them suitable for mechanical components and transportation machinery, as well as for high-voltage transmission lines where high conductivity is required. Additionally, taking advantage of their corrosion resistance and high thermal conductivity, they are also used in ship parts and heat sinks. Because aluminum materials are non-toxic, they are used in medical and food-related equipment, and further, through anodized coloring, they are widely utilized in various construction materials and household goods. 【Features】 ■ Improved durability and strength compared to conventional parts, leading to maintenance-free solutions ■ Enhanced cost performance of parts through VE/VA proposals ■ New design and development of forged parts based on 3D sample shapes ■ Reduction in material costs and production cost savings ■ Review of costs associated with parts ordering, etc. *For more details, please refer to the PDF or contact us.*

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### About Copper Forged Parts Copper components are utilized in electrical devices such as power cables, distribution boards, and motors, taking advantage of their high electrical conductivity. Additionally, due to their excellent thermal conductivity, they are employed in heat sinks and air conditioner heat exchangers. They also possess superior antibacterial and disinfectant properties, as well as corrosion resistance, making them suitable for a wide range of applications from hygiene equipment to various construction hardware and everyday items. **Features** - Improved durability and strength compared to conventional components, with maintenance-free characteristics - Enhanced cost performance of parts through VE/VA proposals - New design and development of forged parts based on 3D sample shapes - Reduction in material costs and production costs - Reevaluation of costs related to parts ordering, etc. *For more details, please refer to the PDF or contact us.*

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• Contract manufacturing

Established a unique hot forging technology for brass, which is most commonly used in forging. Our proprietary burr-free forging technology allows for the manufacturing of complex shapes with precision comparable to cold forging. We have also achieved high-precision processing of difficult shapes such as multi-hole machining and hollow forming. Furthermore, we propose optimal solutions tailored to customer needs, such as cost reduction through reduced cutting and integration of parts, as well as increased strength of conventional components. ▲ About Brass Forged Parts Brass components leverage their high sealing properties, making them suitable for use in valves and fittings that open and close water, oil, and other flow paths, as well as enabling the production of parts without gaskets. Additionally, by applying plating such as chrome and nickel, they are used in various products including components for faucets and drains, as well as in electrical parts, machine parts, and decorative components, taking advantage of their excellent electrical conductivity. 【Features】 ■ Improved durability and strength compared to conventional parts, leading to maintenance-free operation ■ Enhanced cost performance of parts through VE/VA proposals ■ Design and development of new forged parts based on 3D sample shapes ■ Reduction in material costs and production cost savings ■ Review of costs related to part orders, etc. *For more details, please refer to the PDF or contact us.

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• Contract manufacturing

This is an introduction to Nakano Forging Company's "Hollow Forging Technology," which has implemented a system for integrated management of not only forged products but also finished machined products, thanks to the introduction of mold manufacturing equipment and cutting processing machines, thereby addressing a wide range of needs.

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