Custom 48mm PET Preform Molds: Precision-Engineered for Wide-Mouth Container Production
LEIZHEN Machinery is a leading manufacturer and supplier of high-precision bottle cap molds for the global packaging industry. Specializing exclusively in the design and production of advanced bottle cap 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 plastic caps efficiently and cost-effectively. Our comprehensive product range serves the beverage, food, pharmaceutical, personal care, and household chemical sectors with tooling designed for optimal performance, precision engineering, and long-term reliability.
Custom 48mm PET Preform Molds: Precision-Engineered for Wide-Mouth Container Production
LEIZHEN Machinery proudly presents our comprehensive range of Custom 48mm PET Preform Molds—precision-engineered tooling solutions designed specifically for the efficient production of 48mm neck finish preforms. The 48mm neck size is one of the most important standards in the packaging industry, serving as the preferred closure format for wide-mouth containers including jars for food products, large beverage bottles, and industrial containers . These preforms are used to produce containers typically ranging from 3000ml to 5000ml in volume, making them essential for manufacturers serving the edible oil, bulk water, and household chemical markets .
Understanding 48mm PET Preforms and Their Applications
48mm PET preforms feature a larger neck diameter than standard beverage preforms, enabling the production of wide-mouth containers that offer easy access, convenient filling, and compatibility with large-diameter closures. These preforms typically range from 45g to 110g in weight, depending on the specific container requirements .
Key Applications Across Industries:
Edible Oil Industry: 5-liter and 3-liter cooking oil bottles requiring wide mouths for filling and pouring
Bottled Water: Large-format water bottles (3-5 liters) for home and office use
Household Chemicals: Detergent, cleaning solution, and industrial chemical containers
Food Packaging: Jars for sauces, pickles, and bulk food products
Agricultural Products: Containers for fertilizers and agricultural chemicals
Key Features of LEIZHEN 48mm PET Preform Molds
1. Precision Multi-Cavity Configurations
LEIZHEN Machinery offers 48mm PET preform molds in various cavity configurations to match your specific production requirements:
| Cavity Count | Ideal Application | Typical Output |
|---|---|---|
| 8-16 cavities | Small-scale production, specialty designs | 2,000-6,000/hour |
| 24 cavities | Medium-volume production, balanced efficiency | 5,000-10,000/hour |
| 32-48 cavities | High-volume production, maximum throughput | 10,000-20,000/hour |
Due to the larger size of 48mm preforms, cavity counts are typically lower than those for smaller neck finishes . The specific output depends on preform weight, material selection, and injection machine specifications. Our engineering team helps you select the optimal cavity configuration for your production needs.
2. Premium Material Selection for Extended Mold Life
LEIZHEN molds are constructed from high-quality materials selected for durability and performance:
Core and cavity inserts: S136 stainless steel with hardness up to HRC 46-50 for exceptional wear resistance and corrosion protection
Neck ring material: Premium steel with nitriding treatment for enhanced durability in the critical thread-forming area
Mold base: Chrome-plated P20 steel with anti-rust treatment ensuring long-term reliability
Hot runner components: H13 tool steel with heating elements from global leaders
With proper operation and maintenance, LEIZHEN 48mm PET preform molds deliver over 2-5 million injection cycles with consistent performance .
3. Advanced Hot Runner Valve Gate Systems
Our 48mm preform molds feature advanced hot runner systems specifically designed for wide-mouth applications:
Individual temperature control for each nozzle, maintaining accuracy within ±1°C
Valve gate technology providing clean gate vestige with no preform tail to cut, saving labor costs
Balanced filling across all cavities ensuring consistent preform weight and dimensions
Optimized material flow preventing defects in the critical neck area
4. Precision Off-Center Control
Maintaining consistent wall thickness is essential for 48mm preform quality. LEIZHEN molds incorporate advanced off-center adjustment systems:
Off-center control range within ±0.05mm ensuring uniform material distribution
Individual cavity adjustment capability for fine-tuning
Consistent preform quality across all cavities with weight variation typically below 0.3 grams
5. Self-Locking Cavity Design
Each cavity in a LEIZHEN mold features independent self-locking capability:
Individual cavity shut-off for precise control and easier maintenance
Reduced defect rates through independent cavity management
Simplified maintenance allowing individual cavity service without affecting others
Extended mold life through reduced stress on mold components
6. Optimized Cooling System
Efficient cooling is essential for achieving fast cycle times and consistent preform quality, especially for larger 48mm preforms:
Spiral cooling channels in cavity inserts for rapid, uniform heat extraction
Enhanced cooling in the neck area where material thickness is greatest
Individual cooling circuit control for balanced temperature distribution
Cycle times of 18-23 seconds for standard 48mm preform weights
Technical Specifications
| Parameter | Specification |
|---|---|
| Neck Size | 48mm (standard industry specification) |
| Preform Weight Range | 45g - 110g (customizable) |
| Container Volume | 3L - 5L typical |
| Cavity Range | 1-48 cavities depending on requirements |
| Core/Cavity Material | S136 Stainless Steel (HRC 46-50) |
| Mold Base Material | Chrome-plated P20 |
| Runner System | Hot runner valve gate |
| Gate Type | Valve gate (no tail, no trimming required) |
| Off-Center Control | ±0.05mm max variation |
| Cycle Time | 18-23 seconds typical |
| Mold Life | Up to 5 million shots |
| Design Software | PRO/E, UG, AutoCAD, Cimatron |
| Lead Time | 45-50 days depending on complexity |
Customization Options
LEIZHEN Machinery offers extensive customization options for 48mm PET preform molds:
Preform Weight Customization
Lightweight designs for cost optimization (45-60g range)
Standard weights for balanced performance (60-80g range)
Heavy-weight preforms for premium packaging (80-110g range)
Neck Finish Options
Standard 48mm finishes compatible with industry closures
Custom thread profiles for proprietary closure systems
Enhanced sealing features for specific product requirements
Material Compatibility
Virgin PET for food-grade applications
rPET compatibility for sustainable packaging initiatives (up to 100% recycled content with appropriate process adjustments)
Color compatibility for custom preform requirements
Surface Finish Options
Custom textures for branding or functional requirements
Matte finishes for specific aesthetic effects
Quality Assurance and Testing
Every LEIZHEN 48mm PET preform mold undergoes rigorous quality assurance procedures:
Precision machining using advanced CNC equipment ensuring micron-level accuracy
Comprehensive testing before shipment validating mold performance
Sample production available for customer approval
Water leakage testing confirming cooling circuit integrity
Detailed documentation including mold drawings, maintenance guides, and spare parts lists
Applications Across Industries
Our custom 48mm PET preform molds serve manufacturers across diverse industries:
Edible Oil Industry
3-liter and 5-liter cooking oil containers
Olive oil and specialty culinary oil bottles
Restaurant and food service bulk packaging
Bottled Water Industry
Large-format water bottles for home and office
3-5 liter containers for water coolers
Bulk water packaging for commercial use
Household Chemical Industry
Detergent and cleaning solution containers
Liquid soap bulk packaging
Industrial chemical bottles
Food Packaging Industry
Sauce and condiment jars
Pickle and preserve containers
Bulk food product packaging
Integration with Complete Packaging Solutions
As a specialized mold manufacturer, LEIZHEN ensures that our 48mm PET preform molds integrate seamlessly with:
Injection molding machines from all major manufacturers
Blow molding equipment for converting preforms into finished containers
Quality inspection systems for in-process monitoring
Complete packaging lines for turnkey production solutions
Why Choose LEIZHEN for Custom 48mm PET Preform Molds?
Specialized expertise: Deep understanding of 48mm preform design and wide-mouth container requirements
Comprehensive cavity range: From 1 to 48 cavities for every production scale
Premium materials: S136 steel, chrome-plated P20, and other top-grade materials for extended mold life
Precision engineering: Off-center control within ±0.05mm ensuring consistent preform quality
Advanced hot runner systems: Valve gate technology eliminating tail trimming and saving labor costs
Self-locking cavity design: Individual cavity control for precision and easier maintenance
Optimized cooling: 18-23 second cycle times for maximum productivity
Customization capabilities: Tailored solutions for specific preform weights, neck finishes, and production requirements
Comprehensive support: Installation guidance, training, and after-sales service from experienced engineers
Partner with LEIZHEN for Custom 48mm PET Preform Mold Excellence
LEIZHEN Machinery's Custom 48mm PET Preform Molds represent the ideal solution for manufacturers seeking precision, reliability, and efficiency in wide-mouth container preform production. By combining specialized design features, premium materials, advanced cooling technology, and comprehensive quality control, we help our customers achieve superior competitiveness in the growing markets for large-format PET packaging.
Whether you're establishing a new production facility for edible oil containers, expanding existing capacity for bulk water bottles, or seeking custom mold solutions for wide-mouth food packaging, LEIZHEN Machinery has the expertise and technology to support your success.
Contact LEIZHEN Machinery today to discuss your custom 48mm PET preform mold requirements and discover how our precision-engineered solutions can enhance your manufacturing operations.
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