In the high-demand edible oil, condiment, and specialty beverage packaging sectors, M31.8 finish necks paired with a 22g heavy-wall profile require uncompromising clamping platen rigidity, exact hot-runner thermal balancing, and aggressive post-cooling kinematics. Kronce documented a full laboratory and factory production benchmark validating this 32-cavity system.
🎥 Watch the live production run above or view the full video on YouTube
Live Production Performance Metrics
Operating on the Kronce ZenQ injection molding machine with balanced pneumatic needle-valve hot runners and multi-station take-out robotics, the run achieved verified operational data:
Laboratory Verified Dimensional Specifications
Every preform is checked through laboratory optical coordinate measuring and wall thickness inspection to ensure precision:
- Preform Weight: 22.0 g (inter-cavity deviation < ±0.15g).
- Overall Length: 84.00 mm with ideal axial stretch orientation.
- Body Diameter: 24.04 mm with tight radial concentricity.
- Wall Thickness: 3.20 mm uniform distribution, eliminating crystallization haze or thermal stress.
Why Kronce Excels in Heavy-Wall Preform Molding
- Reinforced Mold Cooling Circuits: Beryllium copper inserts and spiral cooling channels in the core pins rapidly extract heat, dropping cycle time to 14.5s without part distortion.
- Precision Servo Hydraulics: Smooth deceleration curves and high-torque plasticizing screws deliver 4.19 T/day melt capacity at an ultra-low 0.218 kWh/kg.
- Balanced Valve Gate Manifolds: Minimal gate vestige, smooth sealing, and zero gate stringing enhance downstream stretch-blow molding reliability.
Request a Project Consultation
Contact our engineering specialists today to configure your turnkey 32/48/72-cavity heavy-wall preform production line.