AddUp will soon be releasing a unique tool steel optimized for injection molding that meets all customer requirements. Printdur HCT has what it takes to be a game changer, as it has the required corrosion resistance, hardness and wear resistance for injection molding applications.
The newly developed Printdur HCT was developed by Swiss Steel Group based on the conventional standard tool steel 1.2083 / AISI420 tailored for additive manufacturing with focus on Powder Bed Fusion machines like the AddUp’s FormUp 350. Following strict internal manufacturing readiness level protocols AddUp’s engineers were able to achieve up to 50% improvement in build speed without cracks and extremely low porosity, ensuring over 99.90% material density when compared to the standard material. In addition, surfaces can be built up in excellent quality and without any smoke residue. The Printdur HCT material was designed for the requirements of injection molding and can massively reduce, by double-digits, production cycles using conformal cooling channels. Most of the internal cooling channels can be optimally built to a sufficiently good quality, without any support structures.
AddUp is committed to developing new materials for the tooling market and was excited to partner with Swiss Steel Group (SSG), one of the world’s leading producers of special steel long products, to collaborate on the development of Printdur HCT. Dr. Horst Hill, Head of Special Materials Division at SSG, says “Our goal is to use our decades of experience in the atomization and materials technology to design new materials for additive manufacturing. The Printdur HCT utilizes the advantages of additive manufacturing to achieve the best material properties. We are very pleased that we have found a strong partner in the tooling sector in AddUp to establish new materials on the market.”
Thanks to an enhanced hardness range of 53-57 HRC, and high wear resistance Printdur HCT offers an improved and longer service life of the mold inserts. With simple one-step heat treatment at 540°C, Printdur HCT achieves ~53HRC hardness and is ready to be used for injection molding applications because the material can withstand high temperatures without losing hardness. Since the Printdur HCT is produced without nickel and cobalt, significant damage to the environment and the operator could be avoided. The Swiss Steel Group, this year`s winner of the German Sustainability Award, consciously focuses on high sustainability standards with its fully comprehensive powder recycling system. The Swiss Steel Group is also one of the few companies that can already supply almost all products with a significantly reduced CO2 footprint as Green Steel. This has a particularly positive effect on the CO2 impact of its customers in Scope 3.
AddUp’s goal is to revolutionize injection molding applications and improve the efficiency of molds using additive manufacturing. They expect the development of Printdur HCT and other tooling specific materials in their portfolio to support this mission. “At AddUp, we are committed to taking tooling molds to the next level using the FormUp 350. Our company’s history is deeply rooted in tooling applications thanks to our founding partners Michelin and Fives. It is through our experience and expertise in this industry that we continue to push the possibilities of additive manufacturing, proving it a more efficient and productive way to manufacture on an industrial scale.” Said Julien Marcilly, CEO at AddUp.
Printdur HCT’s manufacturing readiness level 3 has been achieved which makes it ready for producing high quality proof of concepts. Currently being used on the FormUp 350 machine located at AddUp’s Tooling Competence Centre in Aachen, Germany, Printdur HCT is immediately available for prototyping and once fully developed will be available for end-use production parts.
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