Undercuts on injection-molded parts are features ... into the mold and held for a short time to cool. As the mold opens, the side action again slides on the angled pin at the same rate until ...

RIM accommodates side-action and hand-load inserts ... in a few weeks rather than the months needed for traditional injection molding methods. From left to right, the components of a RIM press ...

First, and possibly the most common, is injection ... The mold then separates and ejector pins push the part out of the cavity. The mold is where all the exciting action happens, and we’ll ...

If you want real strenght in plastics, though, or to produce a LOT of parts, you probably want to step up to injection molding. As it turns out, 3D printing can help in that regard, with injection ...