Concerns about casting lead times and costs have many OEMs looking to 3D print parts directly in metal. But don’t overlook the advantages of 3D printed sand cores and molds applied for conventional metal casting, says Humtown leader.
“We never dealt with an OEM until we started 3D printing,” says Mark Lamoncha, president of Humtown Products and Humtown Additive. The former, older company produces sand cores and molds for foundries with the same techniques that have been used for decades; when this was all that Humtown did, it dealt almost exclusively with the foundries. The company worked directly with these facilities to produce the cores and cavities needed to fill their orders for cast metal parts.
