ABSTRACT

There are several processing functions that must be performed on all injection molding machines regardless of the manufacturer or the age of the machine. These functions include:

• Clamp Unit Control - this function includes control over the speed with which the moveable platen (and the mold) opens and closes without jerking, how far the platen opens and the amount of clamp tonnage pressure that is exerted on the mold to hold it closed during the cycle. It also controls some vital safety settings that prevent the mold from closing under abnormal conditions (i.e., a plastic part or other obstruction is present that would damage the mold or a worker).