HANDOUTS
Edit set
What?
What is the name of the set?
Description (optional):
<p>When it comes to molding defects, <a href="http://www.moldclamps.net/Articledetails?article_id=195">burn marks in injection molding</a> are some of the most common. Why have burn marks in injection molding?</p> <p>Burn marks in injection molding cause1: Melt fracture</p> <p>When the melt is injected into the large volume of the cavity at a high speed, high pressure, melt fracture phenomenon is easy to produce, at this time, the melt surface transverse rupture occur, the rupture area of the roughened surface to form inclusions in the plastic paste spot.</p>