PET Preform Mould
As a leading PET Preform Mould Manufacturer, Yige Mold are professional in making all kinds of preform moulds, PET moulds, PET bottle moulds, Jar preform moulds, Bottle moulds, high precision PET prefom moulds, multi-cavity PET moulds from 1 cavity to 96cavities.
YIGE MOLD PET Preform Mould Highlights
✅ Cavity Options: 1-96 cavity configurations available
✅ Advanced Design: European-inspired design with cutting-edge mold engineering
✅ Durability: 2M+ injection cycles lifespan guaranteed
✅ Precision: Moldflow-optimized designs minimize defects
✅ Premium Materials:
Global-standard screw necks with nitride steel (enhanced hardness)
Premium ASSAB S136/DIN 1.2316 steel inserts (anti-rust, high-polish)
✅ Innovations:
Patented thickness control system reduces wall variation
Leak-proof water channels prevent spotting
Hydraulic nozzle pins (EU/Japan-made) ensure plate sync
✅ Standard PCO Necks: 26mm, 28mm, 30mm, 32mm, 38mm, 48mm, 52mm, 62mm.
Common PET Preform Molding Defects & Expert Solutions
|
Defect Type |
Root Cause |
Professional Correction Method |
|
Streaks/Splay |
Moisture >50ppm |
Install auto-drying hopper (<30ppm target) |
|
Bubbles |
Insufficient venting |
Add 0.03mm vent grooves + vacuum assist |
|
Wall Variation |
Cooling imbalance (±3°C+) |
Redesign conformal channels (±1°C control) |
|
Warpage |
Uneven shrinkage |
Adjust pack pressure profile + mold temp |
|
Burn Marks |
Trapped gas ignition |
Increase vent depth to 0.05mm + reduce RPM |
|
Short Shots |
Melt viscosity too high |
Raise barrel temp (285-295°C optimal) |
|
Jetting |
High-speed injection |
Adopt 3-stage injection speed control |
|
Gate Crystallization |
Slow gate cooling |
Implement pulse cooling technology |
|
Surface Scratches |
Mold polish <Ra 0.025μm |
Re-polish cavity to Ra 0.01μm mirror finish |
|
Neck Finish Defects |
Core misalignment |
Upgrade guide pillars to ±0.005mm precision |
With our rich experience for PET preform mould making, we are sure to offer you a fine solution, Contact us email as: quotation@yigemold.com . We look forward to assisting your company’s success in market expansion!