Mold Changer Altium Packaging LPMold ChangerSparta, TNThe mold changer is responsible for setting molds and dies, and setting up and adjusting compression, injuection, and transfer machines used to mold plastic materials to specified shape according to blueprints and designs. May also be designated according to type of machine set up as Compression-Molding-Machine Setter (plastic industry), Injection-Molding-Machine Setter (plastics prod ).