• Density of PE (Polyethylene)

  The density (specific gravity) of PE resin is an industry-recognized standard physical parameter. PE is divided into three main categories—LDPE, LLDPE, and HDPE—based on molecular structure and densit

  2026/02/02 Injection Molds

• Reasonable Setting of Injection Mold Temperature Parameters

  The rational setting of injection mold temperature parameters is central to balancing part quality, molding efficiency, and production stability. Its core logic lies in precisely regulating the temper

  2026/02/02 Injection Mold

• Troubleshooting Hot Runner Clogs in Injection Molds

  The hot runner system is critical to stable production and part quality in injection molding. Clogging causes short shots, insufficient filling, burning, and leakage, and may damage heating components

  2026/01/31 Injection Molds

• Selection of Gate Types for Plastic Molds

  The gate is the critical channel through which molten plastic enters the mold cavity from the runner system. Its type directly affects melt filling behavior, part appearance, internal stress, producti

  2026/01/31 Plastic Molds

• Design Principles of Cooling System for Plastic Molds

  The cooling system of plastic molds is a core structure that determines injection molding efficiency, part dimensional accuracy and surface quality. It quickly and uniformly removes heat released duri

  2026/01/31 Plastic Molds

• Injection Mold Vent Groove Design

  Vent groove design is critical for injection molding quality and stability. It expels cavity air, volatile gases from melt decomposition, and residual gas in parting and insert gaps, avoiding defects

  2026/01/31 Injection Mold

• Material Selection for PE Molds

  PE (polyethylene), a crystalline general-purpose plastic, features good melt flowability, low corrosiveness, and moderate shrinkage. Material selection for PE molds must align with its molding charact

  2026/01/31 Plastic Molds

• Control of Injection Mold Cavity Polishing Grade

  The polishing grade of an injection mold cavity directly determines part surface finish, ejection performance, and mold lifespan. Proper polishing ensures uniform melt flow, reduces mold sticking, and

  2026/01/30 Injection Mold