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Excessive Cycle Time

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