Industry Blogs

  • PET Blow Molding Bottle Body Stress Cracking: Causes and Annealing Process Solutions

    PET blow molding bottles are the most widely used packaging containers in food, beverage, cosmetic, pharmaceutical and daily chemical industries, favored by manufacturers for their excellent transparency, lightweight performance, chemical stability and low production cost. In the mass blow molding production process, bottle body stress cracking is one of the most common and harmful quality

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  • Bottle Neck Thread Deformation in PET Stretch Blow Molding: Common Issues and Fixes

    PET stretch blow molding has become the dominant manufacturing process for plastic packaging bottles used in beverage, food, cosmetic, pharmaceutical and household chemical industries. The bottle neck thread is the most precise functional structure of PET packaging containers, responsible for sealed connection with caps, ensuring packaging tightness, leakage prevention and overall product qualification. In high-volume

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  • Injection Blow Molding Mold Release Difficulties: Causes and Demolding System Optimization

    Mold release difficulty is one of the most frequent production faults that restrict the operating efficiency of injection blow molding (IBM) production lines, directly affecting finished product appearance quality, batch yield and equipment effective operating time. In the three-station injection blow molding process, after the plastic melt completes injection preform molding and blow molding shaping

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  • IBM Machine Core Rod Eccentricity: Adjustment to Ensure Uniform Bottle Wall Thickness

    Core rod eccentricity is one of the most common and influential hidden faults in injection blow molding (IBM) machine operation, which directly determines the wall thickness uniformity of finished plastic bottles. As the core forming component inside the blow molding station, the core rod controls the inner wall contour and internal dimension of hollow bottles

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  • Rotary Indexing Table Positioning Deviation in IBM Machines: Calibration and Maintenance

    Injection Blow Molding (IBM) machines rely on precise mechanical coordination among three core stations: injection parison forming, blow molding shaping, and product ejection. The rotary indexing table serves as the central rotating carrier of the entire IBM machine, responsible for accurate station switching and fixed-angle positioning of molds and workpieces. Its positioning accuracy directly determines

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  • IBM Machine Short Shot Parison Defects: Troubleshooting and Injection Unit Optimization

    Injection Blow Molding (IBM) machines are core precision equipment for producing small and medium-sized hollow plastic products, including pharmaceutical bottles, cosmetic containers, beverage bottles and daily chemical packaging vessels. The parison forming stage is the most critical link in the entire IBM production process, which directly determines the dimensional accuracy, wall thickness uniformity and yield

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