• Optimization of Parting Surface of Injection Mold to Reduce Flash of Threaded Cap in China

  The parting surface of threaded cap products is mostly at the end of thread or product end face. Annular flash easily appears during mass production. It not only increases manual trimming cost, but al

  2026/10/16 Chinese Injection Molding

• How to Formulate Rectification Plan for Injection Mold of Product Whitening Defect in China

  Whitening defect is a common appearance defect in injection molding, which mostly appears on product surface corresponding to ejector pins and ejector blocks, showing whitish marks. In serious cases,

  2026/10/16 Chinese Injection Molding

• Repair Methods for Worn Cutting Edge of Threaded Cap Injection Mold

  The cutting edge of threaded cap molds bears continuous impact and melt erosion during repeated molding cycles. Wear or chipping of cutting edges causes flash, poor product dimensional consistency and

  2026/10/15 Injection Mold

• Key Indicators to Focus on When Selecting Hot Runner Systems for Injection Molds in China

  Hot runner system directly affects part appearance, molding stability and mass production cost. Selection and procurement should not only depend on price. It needs to comprehensively evaluate various

  2026/10/15 Injection Mold

• Solutions for Stress Whitening of Conical Plug in Plastic Mold Modification

  Stress whitening often occurs on conical sealing plugs at cone surfaces, root corners and thin-wall transition areas during ejection, assembly or service. This defect originates from concentrated resi

  2026/10/15 Plastic Molds

• Injection Mold Countermeasures to Improve Flash on Parting Line

  Flash on parting surface is a frequent molding defect, formed when molten plastic overflows through gaps between mold halves. Extra material edges increase trimming workload and affect assembly and ap

  2026/10/15 Injection Molding

• How to Optimize Venting Positions of Plastic Molds for Improved Venting Performance in China

  Plastic mold venting is a critical factor affecting injection molding quality. Trapped gas inside the mold cavity can lead to burning marks, short shots, weld lines and bubbles on molded plastic parts

  2026/10/15 Injection Mold

• Traceability and Troubleshooting Procedure for Demolding Sticking Faults of Plastic Molds in China

  Demolding sticking means plastic products adhere to cavity, core or insert surfaces after injection molding and cannot separate smoothly. Minor faults cause product stretching and deformation, while s

  2026/10/14 Chinese Plastic Injection Molding