Weld line strength insufficiency is one of the most common and harmful quality defects in China’s injection mold manufacturing industry. When molten plastic splits around holes, ribs and inserts and c
2026/09/08 China Injection Mold
Vent groove is the core structure of injection molds to discharge cavity air and plastic decomposition gas. Unreasonable vent groove depth is the main cause of product burning, air lines, poor weld li
2026/09/08 Injection Molds
Soft sealing rings are mostly made of TPU, TPE and TPV thermoplastic elastomers, which are widely used in waterproof and dustproof sealing scenarios. Different from rigid plastics, soft elastomers hav
2026/09/08 Injection Mold
Gate residue is a common molding problem in injection production, referring to excess plastic protrusions at the product glue inlet. Excessive gate residue requires manual trimming, increases producti
2026/09/08 Injection Molding
Injection molds are high-cost core equipment in plastic manufacturing, and their service life directly affects production efficiency, product quality and manufacturing cost. Most molds suffer from pre
2026/09/08 Injection Molds
1. Main structural forms of two‑color injection moldsTwo‑color injection molding uses two independent melt feeding systems to inject two plastics with different colors or hardness into the mold cavity
2026/09/07 Injection Molds
In the manufacturing system of Chinese plastic molds, PC material is widely adopted for transparent components, electronic housings, structural accessories and home‑appliance parts for its high transp
2026/09/07 Chinese Plastic Molds
Short shot, also known as insufficient filling, is one of the most common defects in injection molding production, which is manifested as incomplete filling of product edges, unfilled thin walls, miss
2026/09/07 Injection Molding