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Industry News
Clarification

  The ProMetal RCT printing system (www.exone.com) referenced in the March-April issue of Time Compression is not a thermal process.

Author:
Posted on: 1/29/2009
Source: Composites Technology


 

 

The ProMetal RCT printing system (www.exone.com) referenced in the March-April issue of Time Compression is not a thermal process. Rather, there is a printhead that applies micro-droplets of foundry-grade resin onto molding sand. The molding sand contains an activator. When the resin comes in contact with the activator, it hardens. The process continues, layer by layer (a platform is lowered, a layer of sand is spread, and the printhead runs following the .CLI file that has been uploaded to the controller), until the mold or core is produced. Unbound sand is vacuumed away and the core or mold is ready for casting.

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