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48-Cavity High-Efficiency PET Preform Mold: Maximum Productivity for Large-Scale Bottle Production
GTW Machinery: Professional Manufacturer of Preform Molds
GTW Machinery is a leading manufacturer and supplier of high-precision preform molds for the global packaging industry. Specializing exclusively in the design and production of advanced PET preform tooling, we provide comprehensive, customized solutions for manufacturers worldwide. With years of technical expertise and a strong commitment to research and development, we offer state-of-the-art molds that enable customers to produce high-quality preforms efficiently and cost-effectively.
48-Cavity High-Efficiency PET Preform Mold: Maximum Productivity for Large-Scale Bottle Production
GTW Machinery proudly presents our 48-Cavity High-Efficiency PET Preform Mold—a precision-engineered tooling solution designed for manufacturers requiring exceptional output in high-volume preform production. The 48-cavity configuration represents an optimal balance between productivity and operational efficiency, delivering 17,000-25,000 preforms per hour for standard beverage and packaging applications . Ideal for large-scale water bottlers, beverage companies, and preform converters.
Key Features
1. High-Output 48-Cavity Design
Simultaneous production of 48 preforms per injection cycle
Daily output of 400,000-600,000 preforms based on 18-22 second cycle times
Per-part cost reduction through high cavitation efficiency
Ideal for large-scale beverage operations and mass-market packaging
2. Precision Valve Gate Hot Runner System
| Feature | Specification |
|---|---|
| Temperature Control | ±1°C individual nozzle control |
| Weight Variation | < 0.3 grams across all cavities |
| Gate Type | Needle valve (clean gate, no tail trimming) |
| Balanced Filling | Uniform across all 48 cavities |
3. Premium Material Construction
| Component | Material | Hardness |
|---|---|---|
| Core and Cavity Inserts | S136 Stainless Steel (Sweden) | HRC 48-52 |
| Neck Rings | Imported Nitrided Steel | HRC 45+ |
| Mold Base | Chrome-plated P20 Steel | Pre-hardened |
| Hot Runner Components | H13 Tool Steel | Heat-treated |
Mold life: Engineered for 3-5+ million injection cycles
4. Optimized Cooling System
Spiral cooling channels for rapid, uniform heat extraction
Enhanced neck cooling ensuring thread dimensional stability
Cycle times as low as 15-22 seconds depending on preform weight
5. Precision Engineering
| Parameter | Specification |
|---|---|
| Neck Finishes | PCO 1810, PCO 1881, 28mm, 30/25, 38mm, custom |
| Preform Weight Range | 9g - 35g typical |
| Wall Thickness Variation | < 0.10mm |
| Weight Difference | < 0.3 grams |
| Concentricity | ±0.075mm |
Technical Specifications
| Parameter | Specification |
|---|---|
| Cavity Count | 48 cavities |
| Production Speed | 17,000-25,000 preforms/hour |
| Cycle Time | 15-22 seconds |
| Neck Finish Options | PCO 1810, PCO 1881, 28mm, 30/25, 38mm |
| Gate Type | Valve gate hot runner |
| Mold Life | 3-5+ million shots |
| Material Compatibility | Virgin PET, rPET up to 100% |
Applications
Bottled Water: Still and sparkling water preforms
Carbonated Soft Drinks: PCO finish preforms for CSD
Beverage Industry: Juices, sports drinks, tea
Food Packaging: Edible oils, sauces
Quality Assurance
CMM inspection verifying all critical dimensions
Weight consistency testing across all 48 cavities
Thread gauge testing confirming cap compatibility
Sample production available for customer approval
Why Choose GTW for 48-Cavity Preform Molds?
High efficiency: 48-cavity design delivering 17,000-25,000 preforms/hour
Precision quality: Weight variation below 0.3 grams
Premium materials: S136 steel for extended mold life
Advanced cooling: Fast cycle times with consistent quality
Standard compatibility: PCO and industry-standard neck finishes
Partner with GTW for High-Efficiency Preform Production
GTW Machinery's 48-Cavity High-Efficiency PET Preform Mold delivers exceptional productivity and consistent quality for large-scale bottle manufacturing. Contact us today to discuss your requirements.
