Precision parts manufacturing using metal 3D printers.
German EOS company manufactured EOSINT M290
A new manufacturing process that combines the freedom of metal 3D printing with high-quality precision machining! "One-stop support from modeling to quality control."
Metal additive manufacturing (metal 3D printing) is a technology that produces objects by irradiating metal powder with a laser to melt and solidify it. By layering metal powder in micrometer-thick layers, it is possible to obtain dense and high-precision parts. A wide range of products can be created, from large components up to 250×250×H325mm to small precision parts. We accommodate various needs from prototyping to mass production. By combining metal additive manufacturing with our precision machining technology, we have produced precision products that were previously difficult to achieve. - The three-dimensional sanitary piping is a product made by combining interior polishing (Ra13μm→Ra0.5μm) of inaccessible three-dimensional piping channels, machining, and welding. - The air flow channel component (free air flow channel with an oval cross-section) is a precision part that achieves a gap of 0.3mm and a surface roughness of Ra0.2μm through precision wire processing. - The lightweight gear features a lattice structure to reduce weight, with the end faces finished to a mirror surface through precision grinding. - The Trinity pendant consists of three interconnected components that rotate freely with minimal gaps. The end faces are also finished to a mirror surface through precision grinding.
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basic information
German EOS Corporation manufactured EOSINT M290 Maximum build size: 250×250×H325 Layer thickness: SUS316L 20um, Ti64 30um, 60um Surface roughness: SUS316L Ra13±5um, Ti64 Ra9~12um Tensile strength: SUS316L 640±50MPa, Ti64 1230±50MPa Density: SUS316L 99.0%, Ti64 99.5% *EOS Corporation published values 【Compatible materials】 Nickel alloy ALLOY (IN718, C276, X) Titanium (Ti64) Pure tungsten (W) Pure tantalum (Ta) Pure molybdenum (Mo) Stainless steel (SUS316L) Stainless steel (SUS630) Stellite 6 Maraging steel Alloy tool steel (SKD61) High-speed tool steel (SKH51) Super Invar Aluminum alloy (AlSi10Mg) Aluminum alloy (AlSi12)
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Applications/Examples of results
We have created precision products that were previously difficult to achieve by combining metal additive manufacturing with our precision machining technology. - For example, the three-dimensional sanitary piping features inner surface polishing (Ra13μm→Ra0.5μm), machining, and welding for the hard-to-reach three-dimensional piping flow paths. - The air flow path component (with a free-form elliptical cross-section) is a precision part that achieves a gap of 0.3mm and a surface roughness of Ra0.2μm through precision wire processing. - The lightweight gear utilizes a lattice structure to reduce weight, and its end faces are finished to a mirror surface through precision grinding. - The Trinity pendant consists of three interconnected components that rotate freely with minimal gaps, and its end faces are also finished to a mirror surface through precision grinding.
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Precision micro-machining technology is increasingly recognized as a common foundational technology that supports modern advanced industries. Since its establishment in 1955, Toray Precision Co., Ltd. has manufactured spinnerets, which are key technologies for synthetic fiber production, and has contributed to the development of the synthetic fiber industry by providing them to fiber manufacturers worldwide, including Japan and Europe and the United States. Meanwhile, the experience and technology gained during this time in precision micro-machining have been widely applied to other industrial sectors. Precision machined components are incorporated into critical parts of aircraft, industrial robots, measurement and control equipment, etc. Additionally, the specially developed and designed fluid nozzles have demonstrated their functionality as important components in various industrial machines. The ultra-precision micro-machining technology, boasting sub-micron precision, is also utilized in the optical communication field, which is essential for realizing a highly information-oriented society. We have also commercialized various optical devices, including optical components such as ferrules and adapters. As a pioneer in ultra-precision micro-machining technology, we will continue to contribute to society by delivering high-precision, high-quality products.