• Causes and Elimination Methods of Weld Lines in Injection Molding

  Weld lines are seam marks formed after two or more melt flows converge and cool inside mold cavity. It is a common appearance and structural defect in injection production. Weld lines form when melt c

  2026/10/10 Injection Mold

• Causes and Rectification Methods of Flash on Mold Parting Surface

  Flash refers to excess thin plastic edge formed on the edge of plastic parts when molten plastic overflows from gaps on mold parting surface during injection molding. It is a common molding defect. Fl

  2026/10/10 Injection Mold

• How to Precisely Calculate Injection Molding Shrinkage and Mold Compensation Methods

  Plastic melt will undergo volume shrinkage after filling and cooling. The molding shrinkage rate serves as a core parameter for cavity dimension design of injection molds. Fluctuation of shrinkage val

  2026/10/10 Injection Molding

• Key Mold Opening Points for Precision Plastic Molds of China Inductor Coil Bobbins

  Inductor coil bobbins are core insulating components for electronic inductors, featuring small size, many fine features and strict dimensional tolerance requirements. China’s electronic component indu

  2026/10/09 Chinese Injection Molding

• Principles and Practical Skills of Ejector Pin Layout Design for China Injection Molds

  Ejector pins serve as the core ejection component in injection molds, responsible for pushing molded plastic products out of the mold cavity after cooling. Improper ejector pin layout is one of the co

  2026/10/09 Chinese Injection Molding

• Practical Methods for Rust Removal and Long-term Anti-rust Treatment of Plastic Molds

  Rust formation often occurs on mold surfaces due to high workshop humidity or cooling water leakage during mold storage. Rust will scratch the mold cavity surface, bring defects to molded plastic part

  2026/10/09 Injection Molds

• Injection Molding Process Scheme for Stable Low-Gloss Appearance of Plastic Parts

  Low-gloss plastic components are widely adopted in consumer electronics, automotive interior and home appliance industries. The core challenge of low-gloss molding lies in maintaining uniform matte te

  2026/10/09 Injection Molding

• Mold Design Considerations for High-Gloss Plastic Housing

  High-gloss plastic housings are widely used in electronic, home appliance and automotive industries, which put strict requirements on mold surface finish, weld line control, venting performance and de

  2026/10/09 Plastic Molds