47.  In  Chapter 9, only a few simple steps are needed daily to ensure the long term production safety of the molds or dies.

28.  Hot runner is an extension of the injection unit.  They keep the plastic at a liquid (molten) state up into the mold cavity.

46.  In Chapter 9, regular care (PM) of molds pays off in the long run.

38.  During chapter 4, we discussed Mold Quick change systems, this reduces lead time on “part to part”, the time it takes to set and pull the mold or die.

30.  Hot runner manifold system, which has valve or pinpoint gates – operate through hydraulic, pneumatic, or electric actuation.

44.  In graining a plastic injection mold surface, the techniques are vased on etching metal through (using) __________________.

36.  Skilled technicians usually perform preventive maintenance.

Bonus 3   In addition to identifying the storage locations, the mold identification must be attached on the shelf.  The following information is useful for the assignment of the molds:   List 2 of the 6 listed

4.   List 3 different examples of items we use every day that made out of plastics.

5. Insulated mold plates are recommended if the operating mold temperature is greater than 150f.