Columns: Design details

A safety-critical aluminum part was converted from an I-beam weldment to a thin-wall box section using the semi-permanent mold casting process for better structural torsional rigidity, higher load-

As a near-net-shaped casting process, investment casting offers tight dimensional and profile tolerances with no or minimal draft and excellent as-cast surface finish.

When a replacement part for a restoration project was just not possible, AFS Corporate Member Aristo-Cast Inc.

A customer of AFS Corporate Member Waupaca Foundry (Marinette, Wisconsin) was looking for a stronger but lighter part while also reducing its cost.