Injection molds used to form plastic products can represent sizeable investments and are characterized by complex shapes, precision finishes and vents. Cleaning plastic injection molds must be accomplished on a regular basis and in such a way that removes all traces of burned on deposits from surfaces and residual plastic in vents without scratching or otherwise mechanically damaging mold surfaces.
“Our investment in injection molds can reach tens of thousands of dollars each,” says Roger Wheeler, tooling manager at PAM Injection Molding based in Kernersville, NC. “While different molds have different surface tolerances, customer-demanded tolerances for a mold surface can be as precise as 0.0002 inch. That’s why,” he says, “longer injection mold life depends highly on not only keeping them clean but conducting mold cleaning operations in such a way that extends their life by maintaining surface finish tolerances.”… Read the rest