

Professional 128 Cavity PET Injection Tooling Manufacturer for Global PET Packaging Industry
FAQ
Q: What after-sales support can overseas buyers get for mold maintenance?
A: We provide full sets of standardized spare part drawings and dimensional inspection reports together with the mold. Our technical team offers remote video troubleshooting round the clock, and we can dispatch engineers for on-site mold commissioning, cavity repair and component replacement upon client's request.
Q: 128 cavity molds are prone to PET material leakage and flash issues. How do you solve these problems?
A: For the potential PET melt leakage risks caused by high-density multi-cavity structures, we optimize the precision fitting process of the mold parting surfaces and strictly control the matching accuracy between mold components. The clamping force distribution is improved through an optimized mold locking structure to ensure balanced pressure across the entire mold. Combined with high-precision positioning structures, the mold effectively prevents mold misalignment, flash formation, and PET material leakage during long-term high-speed production, reducing maintenance requirements and material waste.
Q: What is the service life of your 128 cavity PET preform molds, and how do they perform during long-term production?
A: The key components, including cavities, cores, and neck rings, are manufactured using high-quality imported mold steels and processed through standardized vacuum heat treatment to achieve uniform hardness and excellent wear resistance. The mold structure is designed to minimize common issues found in multi-cavity tooling, such as localized wear, surface damage, and component deformation. Under proper operation and maintenance, the mold maintains stable production performance with minimal dimensional variation throughout extended production cycles.
Q: Can you customize or modify the mold according to non-standard PET preform designs and special preform weights?
A: Yes. We provide customized mold development based on specific PET preform requirements, including special preform weights, unique bottle designs, customized neck finishes, thicker wall structures, and lightweight preform applications. Our engineering team optimizes cavity design, gate configuration, and runner layout according to product requirements. We also provide mold modification, cavity conversion, and refurbishment services to support customers' product upgrades and new PET packaging development.
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