Evolving high-precision processing that fuses long-cultivated skilled techniques with digital technology.
We, Eisei Seisakusho, are a machining company specializing in high-precision processing, founded in 1961. In 2021, we celebrated our 60th anniversary, prioritizing the pursuit of accuracy and continuously honing our skills. We own large 5-axis machining centers, small machining centers, NC lathes, grinding machines, and more, enabling us to achieve high-precision processing at the micron level across a variety of materials such as iron, aluminum, stainless steel, and copper. Additionally, we are capable of high-precision processing of castings, which are typically challenging to work with, thanks to our long years of experience and insights into optimal chucking and processing conditions. Recently, we have integrated digital technologies by introducing the latest processing equipment, allowing us to provide more accurate and speedy responses.
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We are a group of casting professionals that can consistently provide manufacturing from raw materials to processing using various materials, including cast iron from Hinode, aluminum castings from Shinko Metal Industry, cast steel from Yamagata Precision Casting, and precision machining from Ei Seisakusho. At our R&D center, we solve customer issues related to castings through research and development. Additionally, we can quickly respond to procurement challenges for castings through our domestic and international supplier and logistics networks. ★ Examples of challenges: - Struggling with small lot production - Having difficulties with the performance range of castings according to JIS standards - Managing a wide variety of low-volume production - Facing issues with design, development, production, procurement, assembly, and quality control of parts - Struggling to select iron castings, aluminum castings, steel castings, alloy castings, and non-ferrous castings - Experiencing changes in machine accuracy due to thermal expansion of cast iron from temperature variations - Reevaluating supply chain management due to global risks - Feeling dissatisfied with the characteristics of casting components ★ Examples of Hinode's solutions: - Optimal cost for castings - Custom-made materials for castings - One-stop support for design, development, production, procurement, assembly, and quality control of castings - One-stop support for production and procurement of castings - Proposals for the characteristics and selection methods of castings