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• Design Standard for Reserved Welding Allowance of Ultrasonic Energy Lines on Plastic Products

  Ultrasonic energy lines, also named energy directors, realize plastic fusion welding relying on heat generated by friction during ultrasonic vibration. Reserved welding allowance consists of three cor

  2026/08/05 Injection Molding

• Chinese Plastic Mold Standard for Insert Pre-Embedding Positioning Accuracy Control

  1. IntroductionInsert embedding injection molding is widely used in electronic accessories, automotive plastic parts and household appliance structural components. Metal inserts such as copper nuts, s

  2026/08/04 Chinese Plastic Mold

• Draft Angle Design Guidelines for TPE Soft Rubber Injection Molds

  TPE soft rubber materials feature high elasticity, strong adhesion and large shrinkage deformation compared with hard engineering plastics. TPE products are prone to sticking to cavities, surface stre

  2026/08/04 Injection Mold

• Manufacturability Evaluation for Special-Shaped Plastic Part Molds

  Special-shaped plastic parts refer to non-revolved products characterized by irregular curved surfaces, multiple undercuts, sharp wall thickness differences and asymmetric shapes, widely applied to sm

  2026/08/04 Injection Mold

• Venting Parameter Reference for Microcellular Foam Plastic Molds

  Microcellular foam injection molding injects supercritical nitrogen and carbon dioxide into polymer melt, and dense microcells form instantly after pressure relief to realize lightweight molding. Comp

  2026/08/04 Injection Mold

• Automatic Thread Unscrewing Mold Structure for Threaded Plastic Parts

  Threaded plastic parts with internal or external threads adopt rotary automatic thread demolding mold structures to avoid manual screwing removal of finished products, which supports fully automatic m

  2026/08/04 Plastic Molds

• Core Structural Design Essentials for TPU Overmolding Molds

  TPU combines rubber elasticity and plastic processing performance. Dual-color hard-soft overmolding and secondary insert overmolding are mainstream molding technologies, yet overmolding easily causes

  2026/08/03 Injection Mold

• Pre-emptive Prevention Measures for Defects of Appearance Plastic Molds

  Appearance plastic parts have strict requirements against pits, flash, weld lines, water streaks and uneven gloss. Remedying defects through mold revision and machine debugging after defective product

  2026/08/03 Plastic Molds