
Precision Engineering for Consistent Preforms
The term Preform injection molding equipment encompasses a machine base where every mechanical and electrical component is integrated to deliver the highest form of preform precision. The plastication system within this Preform injection molding equipment features a specially designed barrier screw that separates solid and melt phases, ensuring that only thermally uniform material reaches the injection chamber. A fast-acting check valve in the Preform injection molding equipment provides a positive shutoff at the end of injection, preventing any post-fill melt movement and thereby stabilizing gate morphology.
Holistic Energy Efficiency
Preform injection molding equipment includes a high-efficiency servo-hydraulic drive that modulates pump motors based on real-time demand, reducing idle power to a minimum. The insulation of the heating barrel uses state-of-the-art microporous blankets that keep external surface temperatures low, creating a safer and less energy-intensive operating environment. Energy consumption of the Preform injection molding equipment is displayed on a user dashboard that breaks down consumption by machine function, empowering plant managers to identify and eliminate waste.


Rugged Reliability
The entire clamping structure of the Preform injection molding equipment is designed with oversized tie-bars and a thick fixed platen to resist the high moment loads of multi-cavity tooling. Toggle bushings in the Preform injection molding equipment are manufactured from a bronze alloy with embedded solid lubricant, providing self-lubricating performance that prevents dry-start wear. The electrical cabinet of the Preform injection molding equipment is sealed to IP54 and equipped with a positive pressure cooling air circuit, keeping airborne particulates away from sensitive electronics and ensuring long-term reliability.
Service-Oriented Design
Access points for maintenance on the Preform injection molding equipment are identified by bright yellow handles and require no tools to open, significantly reducing maintenance response time. The machine's controller can run a total machine-cycle test without material, checking all motions, sensors, and valve responses as part of a weekly health check. Because the Preform injection molding equipment relies on a common modular architecture, spare parts such as pumps, valves, and heaters can be sourced and interchanged rapidly from the manufacturer's regional depots.




About Us

Demark is a leading supplier of smart factory solutions in the PET liquid container packaging industry. Demark is located in Changxing, Huzhou, Zhejiang. It covers an area of 350,000 square meters. It has fixed assets of 115 million usd. Demark has 4 subsidiaries and has set up sales and R&D bases in Shanghai. The products are exported to more than 100 countries. The services cover in the PET liquid container packaging industry, one-step service including plant design and planning, integrated production line integration, engineering installation and commissioning, personnel operation training and whole line after-sales service. It mainly produces Direct-Clamping pet preform injection molding machines, high speed rotary PET blow molding machines, blowing filling capping combiblock, no cutting of valve gate hot runner system pet preform molds and so on.
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