more details about coares lead screws
as for coarse lead screws, I have more details, during the demolding process, how to drive the cores, yes! The opening movement of the molding machine is transformed into a rotary action, […]
threads should be screwed off or out of the part
no matter cores for internal threads or sleeves for external threads?the mold is either open or closed?they should be rotated in the mold? during demolding? they should be screwed off or out of the part?