Injection mold test steps

One: Check whether the plastic is correct;
Two: The cleaning of the material tube should be thorough to prevent the bad degumming material or miscellaneous material from being injected into the mold
Three: Adjust the pressure and injection volume in order to produce a finished product with a satisfactory appearance. However, no flash is allowed.
Four: Wait patiently until the machine and mold stabilize
Five: The time for the screw to advance should not be shorter than the time for the gate plastic to solidify
Six: Measure continuous samples and record their important dimensions
Seven: Compare the measured dimensions of the mold samples
Eight: The processing time of plastic mold processing is longer to stabilize the temperature of the melted glue and the temperature of the hydraulic oil
Nine: individual corrections, it may be possible to readjust the mold filling rate and mold temperature in order to improve its uniformity
Ten: Check and modify the faults of the injection machine in order to obtain products that meet the quality standards.

Why is the appearance of the more refined earphone plastic mold?