HDPE injection molded product surface flow marks

Problem Phenomenon

Wavy flow marks on the surface.

Cause Analysis

Front temperature drops, speed fluctuates; low mold temperature.

Solution

①Increase mold temperature and melt temperature; ②optimize the speed curve; ③enlarge the gate.

Key Takeaway

Flow marks = a front management problem.

HDPE; '2079851475616104452; flow mark; mold temperature; speed curve

Was this helpful?

0 people found this helpful