Additive Manufacturing

MAR 2018

ADDITIVE MANUFACTURING is the magazine devoted to industrial applications of 3D printing and digital layering technology. We cover the promise and the challenges of this technology for making functional tooling and end-use production parts.

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Page 55 of 67

MARCH 2018 Additive Manufacturing RAPID 2018 ON DISPLAY 54 Material Management System Reduces Humidity Plural Additive Mfg, Booth 1622 Plural Additive Mfg's Material Management System (MMS) for 3ntr indus- trial 3D printers is a material conditioning and measurement system that is designed to optimize material surface finish and mechanical performance. The low-humidity space improves material performance and UV-free storage increases shelf life. A real-time monitor displays material usage and in- ventory so users can see the available material quantity prior to job start, preventing lost or interrupted prints. The material management system can hold six ready-to- go spools. AM Services, Materials Offered Sandvik Osprey Ltd., Booth 818 Sandvik offers additive manufactur- ing (AM) advisory and manufacturing services as well as materials. Sandvik is involved in research and develop- ment in different AM technologies, including the development and man- ufacture of components for industrial use. Postprocessing services such as metalcutting, sintering, heat treat- ment and hot isostatic pressing are also available. In addition, the com- pany supplies gas-atomized powders under the Sandvik Osprey brand in a range of alloys. Customized small batches are available. Electrochemical Machining Process Finishes Metal 3D-Printed Parts Extrdue Hone LLC, Booth 134 Extrude Hone's Coolpulse technology for surface finishing provides an economical way of processing and refining the rough surface finishes found on metal 3D-printed parts. The electrochemical machining (ECM) approach is said to enable fast reaction times and flexibility. Like ECM, Coolpulse follows the principles of anodic metal dissolution but can be applied in two ways. The first method is Bath technology, in which the part is placed be- tween two metal plates. The method is easy to setup and a flexible way to micro-deburr parts without much dedicated tooling, the company says. The second method, Tooling technology, uses a dedicat- ed cathode which mirrors the part geometry. This method enables improving the external and internal surface finish while removing defects from support structures simulta- neously. Depending on the surface finish requirements, the Tooling method can either use a simple setup tooling, assembled with standard parts of a toolkit, or a specifically designed cathode produced on a metal 3D printer. The process is suitable for use with materials such as Inconel, Hastalloy, maraging steel, stainless steel, alumi- num alloys and tool steels.

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