<p>1.A excessive mold lubricant wipe the mold surface thoroughly (using the lubricant sparingly)</p><p dir="ltr" style="MARGIN-RIGHT: 0px;">2.Moisture on the cavity surface wipe the cavity surface thoroughly with rag moistened with alcohol Raise the mold temperature, appy anti-sweat material to the outer surface of mold base</p><p>3. Trapped air raise rear cylinder temperature</p><p>4. Flow line</p><p> Material be too cold Raise the rear cylinder temperature</p><p> Gate and runner Check the gate and runner size and make the correction</p><p> Injection speed too slow increase the injection spped</p><p> flow rate of material is too slow using the higher melt index </p> |