上越市 List of Products and Services

Nagumo Manufacturing Co., Ltd. is a company specializing in precision machining and cutting, metal product manufacturing and processing, and plastic and mold processing. Founded in July 1947, it has a capital of 950 million yen and employs 108 people. The company handles precision molds for semiconductor manufacturing and automotive parts manufacturing, establishing a consistent production system from design to quality assurance. Specialized Technical Fields: Mold Design and Manufacturing: We excel in designing press molds used for punching, bending, and cutting. Precision Machining: We cater to high-precision machining processes such as cutting (±0.003mm and above), grinding (±0.001mm and above), and electrical discharge machining (±0.002mm and above). Materials Handled: We work with a wide range of materials, including cold work die steel (such as SKD11), stainless steel (such as SUS304 and 316), high-speed steel (such as HAP), cemented carbide, and various types of aluminum.

Since our establishment 60 years ago, we have been engaged in the processing of parts for agricultural machinery, construction machinery, industrial machinery, and more, utilizing the technology we have cultivated over the years. Our motto is "We will do anything except what cannot be done!" if our customers are in trouble. We strive to be an indispensable company for our customers, and that is our strength! We want the children who will carry the next generation to take on the development of the region through the joy of manufacturing (the joy of creation and the pain of creation). With this thought in mind, we continue to challenge ourselves every day. Related Fields: Knife shaft for hammer knife mowers (grass cutting machines) (the part that cuts and mows weeds) Specialized Technical Fields: Materials: SS, S45C, SUS, AL, C, FC, POM, PTFE, etc. Processing, Treatment, and Technology: Cutting: NC lathes, machining centers, pipe bending; Welding: semi-automatic welding, robot welding, TIG welding Products: Various shafts, flanges, pump parts, drilled holes, various guards, handles, levers, frames, handrails, etc.

Our company specializes in complex processing using NC lathes and machining. We strive to enhance productivity, eliminate scratches and dents through the use of dispensing robots, and improve quality. Through inspections with three-dimensional measuring machines and the establishment of a detailed inspection system, we have received high evaluations from our clients. For inquiries regarding cutting processing, please feel free to call us. (Delivered 10,000 sets of knobs for the FJ Cruiser to North America Toyota) Specialized technical fields: Materials: S45C (steel), C3604BE (brass forging), A5056 (aluminum bar material), FCD450 (cast iron), CAC903C (gunmetal bar material) Processing, treatment, and technology: NC processing of plugs on a complex lathe, automated primary and secondary processing of elbows, processing of change lever knobs and flanges, processing of gas and meter surrounding units, connection fittings and joints. Products: Gas cock parts, air conditioning equipment industrial machinery, automotive parts, plumbing parts.