Ejector pins help safely remove parts from molds after they have been made. Here are some tips on how to properly locate and use those pins. Ejector pins are the “bouncers” of the injection ...

First, and possibly the most common, is injection molding ... Next you’ll find the ejector pin marks on the inside of the part, usually in the sturdiest parts of the piece.

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 ...

Here’s a quick reference guide to wall thicknesses, surface finishes, materials, and other important features for rapid injection molding ... parts without drag marks or ejector punch marks.

The new products are suitable for all injection molding ... "The M-2 ejector pins have the same core and surface hardness, in our case 60-63Rc," Jones said. "This ejector pin does not have a ...