Neumann Contractors manufacture equipment for the commercial fishing industry. A part used in anchors called a Gypsy is a complex part that is generally cast using Iron or Manganese Bronze.
The customer required a casting pattern to allow the foundry to cast these items using investment casting.
Stereolithography or SLA is a printing technology that prints parts from a resin bath. This creates extremely detailed parts with an extremely smooth external surface which is critical for pattern making as it allows the part to be easily removed from the mold.
The part below was made for around 1/3 of the cost of a standard CNC aluminium casting pattern.
(275mm Diameter For Reference)
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