Unlike electric vacuum pumps, ejector pumps do not generate heat or require a motor and oil. PIAB USA, 65 Sharp St., Hingham, MA 02043, (800) 321-7422, piab.com Continue Reading ...

Ejector pins are the “bouncers” of the injection molding world. They let technicians apply a force to eject a part from the mold, and, in some cases, can leave marks.