Cavity Balance
Pressure Drop
Process Window
Gate Seal
Cooling Study

Procedure to determine the Cooling Time 

  • Mold three shots at various cooling times.
  • Measure the critical dimensions. 
  • Plot a graph of dimension versus the cooling time. 
  • Analyze the data to see how the critical dimensions are influenced with the cooling time.
  • Decide on the cooling time that best fits the data. 
  • Run 30 shots at this cooling time and perform a statistical analysis to determine the process capability at this cooling time. 

Cycle time is the most important factor since that is what makes the bottom line profit. In most case, if the process is capable at lower cooling times, one can make a change in the mold steel and achieve the same dimensions at lower cycle times.

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