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Japanese Chinese 閉じる Menu Home Product Download Sales & Support Offices Contact Japanese Chinese Home > Product > NAK80's Features NAK80's Features NAK80's 6 advantages High Hardness High wear resistance Being stressed from inside and outside, molds experience settling and distorsion on parting lines, and wear on molding surface. NAK80 with 40HRC is suitable for plastic molds requiring wear resistance to withstand large number production. In spite of 40HRC, easy machining due to its precipitation hardening steel, resulting in the well balance of wear resistance and easy machining. Page Top Easy Machining Fine machinability available for fine finishing Molten resin reflects mold surface like a mirror.So, high precision-high quality molds with highly finish machining are required for molding of high function and beauty appearance products. High machinability NAK80 is available for precision machined molds.Highly evaluated as precision plastic mold steel due to its clear machined contour with less burr. An example of fine machining by High-Precision Vertical Machine UVM-700E(5AD) Automotive headlamp, matrix-reflector mold (Surface roughness 0.030μmRa) Photograph : By courtesy of TOSHIBA MACHINE CO., LTD. Page Top Heat Treatment Free Easy to use pre-hardened steel Available for direct machining due to pre-hardened steel. Vastly shortened lead time is available without worrying about dimensional change and distortion by heat treatment. Page Top Easy Polishing Superb mirror polishing Mirror polished mold is required for glossy sheen products with beauty in appearance and transparency. Slippery smooth products surface improves functional beauty too such as fine touch and hard dirt. Superb mirror polishing is required in the final stage of mold making where skilled craftsmenship still contribute. Repeaters highly evaluate superb polishing and less trouble risk of NAK80 due to its high cleanliness. Production : By courtesy of HASHIMOTO INDUSTRY CO., LTD. Page Top Easy Welding Superb repair welding As plastic molds are repeatedly design changed and repaired, repair welding is essential. Highly designed precision molds are worn and chipped by repetetive molding, which requires repair welding as well. NAK80 shows uniform hardness by aging after welding, which regenerate mirror polished surface and uniform texture without worring about unevenness. As welded Visible weld portion Aging after welding（500℃x 5h, AC） Invisible welded trace and even textured pattern Reffer to the recommended reapir welding conditions in NAK80 brochure. If you have any question, you can apply by inquiry form Page Top Easy Texturing High designability enhancing product value Mold surface decoration making plastic products excellent in texture and expression. Texture process＊1 is essential for plastic products by endowing beauty in appearance, high-grade sense, good feeling, and elongated life. NAK80, clean and fine grained steel, is appropriate for texture processing such as photo etching＊2, contributing to the production of high designed products. ※1　To make patterns or uneven on product surface by using molds with reversed geometry on the surface. ※2　One of surface finishing processes to make pattern by etching with chemicals. Production : By courtesy of NIHON ETCHING CO., LTD. Page Top Contact Product What is NAK80? NAK80's features Download Sales & Support Offices Contact Terms of Use Privacy Policy Daido Steel is one of the world's largest class speciality steel manufacturers headquatered in Nagoya, Japan. We are supplying our products to the various fields especially Automotive, Aircraft, Power Plant, Industrial Machinery, PC, Mobile Phone, and so on and supporting world of industries behind the scenes. Japanese Chinese Copyright© 2017 Daido Steel Co., Ltd. PAGE TOP