Undercuts (such as those shown) can complicate and, in some cases, prevent part ejection. Eliminate them if possible. Undercuts on injection-molded parts are features that prevent those parts from ...

This article continues The Troubleshooter’s Rules of Thumb series. Bob Hatch is manager of technical service and customer support for Prime Alliance, the Des Moines-based resin distributor. Before ...

Rotating stack molds give designers a variety of options for not only molding multicomponent parts but also doing secondary assembly operations inside the injection molding machine. ''What will it ...