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  Operating Specification for Rust Prevention of Molds During Long-Term Shutdown and Storage

  After finishing production batches, molds scheduled for prolonged idle storage face high risks of corrosion on cavities, guide pins, ejectors, slides and cooling channels. Moisture, decomposed plastic

  2026/08/12 Injection Mold

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  Mandatory Hygiene Control Requirements for Food-Grade PP Molds

  Food-contact PP products must comply with GB 4806.7-2023 national standard. As tooling directly contacting molten polymer, injection molds with cavity corrosion, oil contamination, carbon deposits or

  2026/08/12 Injection Molding

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  Troubleshooting Logic for Flash and Under-Welding Defects in Ultrasonic Welding

  During mass production of ultrasonic plastic welding, two typical defects frequently occur simultaneously: excessive flash along weld edges and internal under-welding without effective bonding at the

  2026/08/12 Injection Mold

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  Comprehensive Construction and Application of Evaluation Dimensions for Chinese Automotive Injection Mold Suppliers

  With the rapid development of China’s new energy vehicle and complete vehicle manufacturing industry, automotive plastic parts have gradually developed toward high precision, high integration, lightwe

  2026/08/11 Injection Mold

• Timing Control Logic of Rotary Long Thread Demolding Mold

  Demolding of injection-molded long thread products mainly depends on rotary thread core shaft to screw out threads. For long thread travel, disordered action timing easily triggers thread scratches, c

  2026/08/11 Injection Mold

• Coordination Structure of Composite Assembly Mold for Buckle and Screw Integrated Parts

  With higher integration level of automotive, household appliances and smart terminal plastic components, more products adopt combined buckle and screw boss connection structure, which realizes rapid a

  2026/08/11 Injection Mold

• Matching Standard of Wear-Resistant Mold Steel for POM Plastic

  Polyoxymethylene (POM) is a high-crystallinity engineering plastic widely applied in gears, sliding components, precision fasteners and automotive functional parts. Formaldehyde and formic acid genera

  2026/08/11 Plastic Molds

• Solutions to Ejection Whitening of Plastic Products from Mold Perspective

  Ejection whitening is a frequent defect during injection molding. Its essential cause lies in the fact that local tensile or compressive stress on plastic parts exceeds the material yield limit in the

  2026/08/11 Injection Molding