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.

40.  In chapter 6, we discussed lost core technology, what alloy core was installed in the mold (hint it has a lower melting point than plastic).

11.   What fluid is used for cooling passages in plastic injection mold to control temperature. 

13.  What types fo plastics did we discuss in Plastic Injection Molding

5.  It is important to have the cavity number on a multi cavity plastic injection mold, so you can troubleshoot problems or issues.