| Excessive Cycle Time | |
| Possible Cause | Suggested Remedy |
| Poor mould cooling design | a. Increase mould cooling in hot spots b. Ensure fast turbulent flow of water through cooling channels |
| Platen speeds excessively slow | a. Adjust clamp speeds to safely open and close quickly b. Low pressure close time excessive, adjust clamp positions and pressures to safely and efficiently open and close mould |
| Melt temperature too high | Decrease melt temperature |
| Mould temperature too high | Decrease mould temperature |
| Screw recovery time excessive | a. Check machine throat and hopper for blockage or bridging b. check for worn screw and barrel, especially in the feed zone |