Articles

In modern metalcasting operations, few shop-floor issues cause as much frustration as unexplainable sand-related casting scrap. A foundry laboratory may regularly report that every tested sand property is "within specification," yet defects such as sand inclusions, burn-in, gas porosity, or mold wall movement continue to appear at shakeout.

Equipment refurbishment, retrofitting, and modernization provide highly competitive alternatives to purchasing new machinery, particularly in foundries operating mechanically robust assets that have become technologically obsolete. However, the decision to maintain, rebuild, modernize, or replace equipment should not be based solely on initial capital expenditure (CAPEX).