PRELIMINARY AGENDA TUESDAY, OCTOBER 20, 2020
1:00 p.m. - 2:00 p.m.
Paper No. 12: Tool-less Digital Investment Casting Using 3D-printed “Ready To Pour” Ceramic Shells Dr. Suman Das, DDM Systems Additive manufacturing has had a significant impact on investment casting through 3D-printed patterns and cores. Recent developments in ceramic 3D printing have allowed the manufacture of both complete “ready to pour” shells and modular molds where individual shells are assembled onto ceramic sprue components. The use of printed shells eliminates multiple process steps in conventional investment casting including pattern molding, assembly, shelling, and de-wax. The shell printing process allows cores to be integrated and printed in place. The 3D printing process also allows shells to be created for casting geometries that cannot be molded and can include core geometries that cannot be molded monolithically such as multi-wall cooling passages for gas turbine blades. This paper reviews the results of casting trials by 4 foundries in a variety of alloys. Cast alloy chemistry, mechanical properties, casting accuracy and surface finish results will be presented.
WEDNESDAY, OCTOBER 21, 2020
11:00 a.m. - 12:00 p.m.
Customer Spotlight: Siemens Energy, Inc. Ray Snider, Siemens Energy, Inc. The world is facing the question: How can we meet the growing demand for electricity and protect our climate at the same time? Siemens Energy is committed to providing answers. We are building new energy systems across the globe. We can contribute to fighting climate change by making sustainable, reliable, and affordable energy possible. We energize society. That’s our purpose. Siemens Energy has what it takes. Innovative technologies, clear focus on our customers’ needs, and a culture that attracts talent. Together, we are more than 90,000 employees determined to be part of the world’s most valued energy technology company. Mr. Ray Snider will provide a company overview,
discuss investment casting configurations procured by the company and address Siemens expectations from its supply base.
1:00 p.m. - 2:00 p.m.
Paper No. 13: Advancements in Melt System Control Technology Michael Fanz-Huster, Inductotherm Advanced melt shop automation provides the investment casting industry with the competitive edge to repeatedly produce castings with high dimensional accuracy and intricate design, while at the same time optimizing power usage, automating many functions, and improving operational safety. These technical advancements of monitoring and control systems provide operators, managers and service engineers with analyzation tools that give them more control, and improves the quality of their melt shop with anything from real time data for advanced troubleshooting to advanced controls for maximum utilization.
Most data can be accessed remotely – anytime, anywhere – via an easy to use colorful graphic interface. The data will show your equipment’s health status and provide access to diagnostics, historical trends, and analytics that enables them to react immediately to changing conditions by being able to monitor energy usage, furnace lining conditions, power levels, and other critical electrical parameters, charge weight, temperatures, alarms and more. Technologically advanced equipment is designed to
reduce costs, and improve the quality, efficiency, and safety of the induction melting process. Melt system controls are available in various levels of features and capabilities that can help investment casters enhance their melt shop operation.
3:00 p.m. - 4:00 p.m.
Paper No. 14: The Effect of Removing Dust from Backup Stuccos on Shell Properties Steven Ashlock, Kyanite Mining Corporation A recent trial using Virginia Mullite showed a higher
than desired amount of nuisance dust in the 20x50 stucco. In response, Kyanite Mining Corporation implemented changes in the existing screening production process to remove the minus 65 mesh mullite and smaller particles. The following paper examines the effect of the removal of the minus 65 mesh particles in the new standard 20x50 product compared to the original non-dedusted 20x50 material. Testing and comparable data was derived which contrasts the two stuccos in both a rain fall sander and fluidized bed.
32 ❘ September 2020 ®
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