Time-Compression Technologies Magazine Archive 2002 (and backfills for previous years)
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Author John Connolly
Source Time Compression Technologies. v5 n6 Oct., 2000, pp 42-4
Abstract The Idaho National Engineering and Environmental Laboratory (INEEL) in Idaho Falls, ID initially came up with a concept that took molten metal and passed it through a special nozzle where it was mixed with a gas, then sprayed onto a ceramic surface to create a layer of hardened metal. As part of the government technology transfer program, INEEL has licensed this technology to Global Metal Technologies, Inc. (GMTI) and The Technology House, LTD. (TTH), both of Solon, OH. Each has formed a technical partnership to help develop this radical RT spray tool technique called Rapid Solidification Process (RSP Tooling). The process is different from the conventional way of producing tooling, where the mold core and cavity are machined from a steel block. RSP creates a shape by spraying molten metal into a pattern, reproducing the pattern's shape, details and texture. The metal is sprayed into a nitrogen atmosphere using a nitrogen gas stream to atomize the metal into very small droplets. The droplets are t hen sprayed onto a pattern that is a negative of what the tool will be - in this case a ceramic base created from an SLA. XX
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