144-cavity preform mold
FEATURES
Hard Infrastructure – The Foundation of Customer Trust
Before discussing what a mold can do, it is essential to understand the capabilities behind its creation. Ansix Tech’s manufacturing infrastructure is purpose-built for the precision demands of high-cavitation preform tooling.
Precision Mold-Making Equipment
Our 144-cavity molds require machining tolerances that challenge conventional manufacturing limits. Ansix Tech’s facility is equipped with advanced CNC machining centers, including 5-axis high-speed machining systems capable of achieving positional accuracy of ±0.002mm on complex curved surfaces. This capability directly translates to exceptional part quality: perfectly smooth parting lines, minimal flash formation, and consistent cavity-to-cavity dimensions that eliminate secondary finishing operations.
-
Mold Description
Product Materials:
PET PETG
Mold Material:
S136ESR
Number of Cavities:
144
Glue Feeding Method:
Hot runner
Cooling Method:
Water cooling
Molding Cycle
8.5s
- The mold manufacturing process and product material selection
For the intricate features of 144-cavity preform molds—thin-wall sections, delicate venting channels, and precision gate geometries—we employ slow wire EDM (electrical discharge machining) systems. Wire EDM excels at cutting through hardened tool steels irrespective of material hardness, leaving clean, high-quality finishes that often eliminate the need for post-machining finishing. This enables us to achieve narrow slots and fine details with pitch accuracy as low as 1.0µm.
Our EDM capabilities are equally sophisticated. Sinker EDM machines enable the creation of complex cavity geometries, sharp internal corners, and deep features that CNC machining cannot access. When combined, these machining technologies ensure that every component of a 144-cavity preform mold—from the mold base to the cavity inserts—is manufactured to exacting specifications.
Injection Molding Machine Fleet
A 144-cavity mold is only as effective as the injection molding system that operates it. Ansix Tech maintains a comprehensive fleet of injection molding machines ranging from 30 tons to 2,800 tons of clamping force, covering the full spectrum of preform sizes and configurations. Our primary machines include world-class brands such as FANUC, ensuring robust performance across all production scales.
-
All of our machines feature all-servo electric drives, delivering shot-to-shot repeatability of ±0.1%. For a 144-cavity system producing millions of preforms, this precision ensures that every single cavity fills consistently—no under-filled cavities, no dimensional drift, and no unexpected scrap. The servo-electric architecture also reduces energy consumption by 40-70% compared to hydraulic machines, contributing to lower operating costs and a smaller carbon footprint.
Metrology and Quality Assurance Equipment
Ansix Tech’s measurement capabilities match the precision of our machining. Our laboratory is equipped with coordinate measuring machines (CMMs) for dimensional verification, optical imaging systems for surface and feature inspection, and specialized gauging for preform-specific critical dimensions.
Every mold leaving our facility undergoes a full dimensional inspection, with a comprehensive report comparing measured values to design specifications. Critical dimensions are validated with process capability indices—ensuring Cpk values of 1.33 or higher before the mold ever ships to a customer. This commitment to measurement-based quality assurance eliminates the “trial and error” uncertainty that plagues lesser tooling sources.
Section Two: Mold Manufacturing Core Competencies – Measurable Customer Value
The technical specifications of a mold are only meaningful when translated into customer benefits. Ansix Tech’s 144-cavity preform mold capabilities are organized around four value drivers that matter most to packaging manufacturers.
Mold Life and Durability – Predictable Long-Term Performance
The single greatest cost in high-volume packaging production is mold downtime for repairs and refurbishment. Ansix Tech addresses this concern through strategic material selection and precision manufacturing that guarantees exceptional service life.
For the mold base of 144-cavity preform molds, we employ premium P20 tool steel—a pre-hardened chromium-molybdenum alloy that provides an optimal balance of strength, machinability, and dimensional stability at 28–32 HRC hardness. The P20 base provides structural integrity for the high clamping forces and thermal cycling inherent in 144-cavity operations.
For the cavity and core inserts—the components that directly contact molten resin and determine final part quality—Ansix Tech selects among the industry’s most durable tool steels based on specific application requirements:
S136 Stainless Steel: For applications requiring exceptional corrosion resistance and high polishability. S136 achieves a mirror-like finish ideal for transparent PET preforms where optical clarity is critical.
H13 Tool Steel: Post-hardened steel offering superior thermal fatigue resistance for high-volume, high-temperature PET processing. Hardness reaches 48–52 HRC after proper heat treatment.
2344 / 2343 / 8407: Premium hot-work tool steels optimized for the demanding thermal cycles of preform molding, delivering extended service life in the most aggressive PET applications.
SKD11/SKD61/DC53: Japanese-grade tool steels offering exceptional wear resistance and toughness, ideal for abrasive resin systems including glass-filled PET.
M340 / 4Cr13 / 9Cr18: Stainless grades selected for applications with corrosive resin systems or where FDA compliance requires superior chemical resistance.
NAK80: Pre-hardened steel with excellent polishability and dimensional stability, often specified for preforms requiring superior surface finish.
Our performance commitment is unambiguous: molds operating with glass-filled PET are guaranteed for a minimum of 500,000 cycles, while standard PET applications are guaranteed for 1,000,000 cycles or more. This guarantee is backed by documented material certifications and detailed heat treatment records for every mold component.
Dimensional Precision – Eliminating Variability Across 144 Cavities
The fundamental challenge of a 144-cavity preform mold is ensuring that each of the 144 cavities produces an identical part, cycle after cycle, shift after shift. Ansix Tech achieves this consistency through matched-cavity manufacturing strategies and rigorous process validation.
Conventional dimensional tolerances for 144-cavity preform molds are specified at ±0.05mm for general structural features. For critical dimensions—including gate geometry, sealing surfaces, and engagement features—Ansix Tech routinely achieves tolerances as tight as ±0.005mm through high-precision machining and specialized EDM finishing processes.
Our matched-cavity approach ensures that all 144 cavities are manufactured from a single batch of tool steel, processed through identical heat treatment cycles, and machined on the same equipment with identical tooling offsets. This eliminates the variability that occurs when cavities are produced across different machines or at different times.
Mold Type and Configuration – Matching Capability to Production Requirements
Ansix Tech designs and manufactures the full spectrum of preform mold configurations, each optimized for specific production environments:
Hot Runner Systems: Our 144-cavity preform molds utilize advanced hot runner manifold designs that deliver exceptional flow balance with minimal pressure drop. By maintaining the material in a molten state from the injection unit to the cavity gates, hot runner systems eliminate runner scrap entirely—a significant material savings that directly reduces per-unit costs.
Balanced Flow Distribution: For 144-cavity systems, achieving identical filling across all cavities is non-negotiable. Our designs utilize naturally balanced flow geometries, where the flow distance from the sprue to every gate is equalized to within measurable tolerances. When natural balancing is constrained by cavity layout, we employ CAE-optimized adjustments to runner cross-sections and gate dimensions to achieve uniform filling across all 144 cavities.
High-Gloss Finishes: For applications requiring exceptional surface quality—including transparent preforms with cosmetic requirements—Ansix Tech achieves mirror-like finishes with surface roughness values (Ra) below 0.05μm. This eliminates post-mold polishing operations and ensures final preforms exhibit maximum optical clarity.
Gate and Runner System Optimization – Maximizing Material Utilization and Quality
In a 144-cavity preform mold, the gate and runner system represents the interface between mold design and final preform quality. Ansix Tech’s approach begins with comprehensive mold flow analysis before any steel is cut.
Using advanced CAE simulation tools, we predict material flow behavior, identify potential weld line locations, detect air trap zones, and optimize gate quantity and placement. This virtual validation process enables us to:
Eliminate weld lines and flow marks by strategically locating gates and optimizing flow paths
Prevent air entrapment that would cause incomplete filling or localized defects
Balance cavity filling to ensure all 144 cavities complete filling simultaneously
Minimize shear heating that could degrade material properties or cause localized burn marks
For 144-cavity PET preform applications, the valve-gate hot runner system eliminates gate vestige entirely, eliminating the need for post-mold gate trimming and reducing labor costs.
Delivery Standards – Predictable Lead Times
Ansix Tech operates on transparent, predictable delivery schedules that enable customers to plan production with confidence:
Simple preform molds: 10 days from design approval to delivery
Moderate complexity molds: 25 to 45 days, depending on cavity count and configuration
Expedited delivery: Compression to 20 days available for urgent requirements, with dedicated machine allocation ensuring validation steps remain intact
Every mold shipped to a customer includes a complete verification package—full dimensional inspection report, material certifications, heat treatment records, and documented trial results—eliminating the need for customers to perform redundant incoming inspection.
Section Three: Injection Molding Process Control – Eliminating Quality Anxiety
The finest 144-cavity mold produces nothing of value without a disciplined, repeatable injection molding process. Ansix Tech’s process control capabilities address the specific concerns that keep packaging manufacturers awake at night.
Sink Marks, Flash, Dimensional Instability, and Batch-to-Batch Color Variation
Process Standardization: All of our injection molding machines are networked to a Manufacturing Execution System (MES) that locks all process parameters—temperatures, pressures, speeds, and timing—into digital recipes. Only authorized engineers can modify these parameters, and every change is logged for traceability. This eliminates the uncontrolled variation that occurs when operators make independent adjustments.
Each production run is validated with first-article inspection and last-article comparison, ensuring dimensional stability and cosmetic quality from the start of the shift to the end.
Dimensional Stability Control: For 144-cavity preform molds, thermal management is critical to dimensional consistency. Ansix Tech pairs every mold with a zone-controlled mold temperature control system (TCU) that maintains core-cavity temperature differentials within 2°C across the entire mold surface. This level of thermal control minimizes warpage and ensures that all 144 cavities produce identical part dimensions regardless of their position in the mold.
Real-world validation data supports this approach: in continuous production runs spanning a full week and multiple shifts, critical feature tolerances—such as preform neck finish dimensions—demonstrate positional variation of less than 0.02mm from the first shot to the last.
Cosmetic Quality Standards: Ansix Tech’s 144-cavity preform molds consistently achieve the following cosmetic grades:
Transparent preforms: Complete absence of bubbles, flow lines, or visible gate marks; optical clarity meeting or exceeding industry requirements for filled-bottle inspection
Electroplated preforms: No gas marks or surface defects that would compromise plating adhesion
High-gloss applications: Surface roughness values of Ra ≤ 0.2μm, eliminating visible tool marks
For parts requiring secondary operations—printing, labeling, or coating—Ansix Tech incorporates compensated geometry into the mold design, ensuring that post-mold operations achieve consistent registration within ±0.1mm without additional fixturing.
Specialty Material Processing Capabilities
Ansix Tech has accumulated extensive process expertise across the full spectrum of engineering thermoplastics, including:
PC/ABS: High-impact, heat-resistant blends for demanding packaging applications
Polycarbonate (PC): Crystal-clear optical applications requiring exceptional impact strength
PPS + 40% GF: High-temperature, glass-filled applications requiring exceptional dimensional stability
PEEK: Extreme-performance applications demanding chemical resistance and thermal stability up to 260°C
PTFE / PFA: Fluoropolymers for aggressive chemical environments
PA6 + GF30: Glass-reinforced nylon for structural packaging components
PBT: Excellent electrical properties and dimensional stability
PEI / PPS / LCP: High-performance engineering resins for specialized applications
Liquid Silicone Rubber (LSR): Precision elastomeric sealing components
For applications with regulatory requirements, Ansix Tech validates UL94 V-0 flame ratings and UV resistance (3,000-hour accelerated testing without discoloration or property degradation). Our ISO 13485 certification enables medical device applications with full traceability and cleanroom production capabilities.
Section Four: Full-Service Lifecycle Support – Minimizing Customer Management Costs
A 144-cavity preform mold represents a substantial capital investment. Ansix Tech’s service model is designed to protect that investment throughout its entire operational life while minimizing the management burden on our customers.
Early Engagement – DFM (Design for Manufacturing) Analysis
The most expensive design changes are those made after steel is cut. Ansix Tech engages with customers before mold manufacturing begins, providing a comprehensive mold feasibility analysis that includes:
Draft angle recommendations optimized for ejection without side-action complexity
Wall thickness optimization that balances structural requirements against molding cycle time
Gate location selection that ensures balanced filling across all 144 cavities
Ejector pin placement and marking tolerances that avoid visible witness marks on finished preforms
Material shrinkage compensation based on the specific resin grade selected
Our DFM reports identify potential manufacturing issues before they become expensive problems, enabling customers to modify part designs—or approve tooling configurations—with confidence. This early-stage collaboration typically eliminates 80% of the “surprise” issues that would otherwise surface during initial mold trials.
Mold Trials and Sampling – Validating Performance Before Production
Ansix Tech’s mold validation protocol follows a rigorous, four-stage process:
T0 (First Shot): Initial mold assembly testing to verify basic functionality, cavity filling, and ejector system operation
T1 (First Dimensional Validation): Complete part measurement against customer specifications, with documented variance report
T2 (Optimization Run): Process parameter refinement to achieve target cycle time and cosmetic quality
T3 (Production Validation): Extended run with statistical process control (SPC) data demonstrating process stability
For 144-cavity preform molds requiring design iteration, Ansix Tech maintains the capability to produce and install replacement cavity inserts and replaceable components without remanufacturing the entire mold. This modular approach significantly reduces the time and cost required for design modifications.
Pre-Production Validation – Proof Before Volume Production
Prior to committing to full-scale production, Ansix Tech offers a pilot production phase of 100 to 500 cycles to validate:
Process capability: Cpk values for all critical dimensions
Cycle time achievement: Validation that actual cycle times meet or exceed projections
Yield rates: Statistical documentation of first-pass yield before mass production begins
Secondary operations compatibility: Testing of post-mold operations including labeling, assembly, and filling
This pre-production validation phase provides customers with documented evidence of production readiness before authorizing full-scale manufacturing, eliminating the risk of commissioning a mold that fails to meet operational requirements.
Maintenance and Spare Parts – Protecting Long-Term Investment
Every Ansix Tech 144-cavity preform mold ships with a complete inventory of spare parts, including:
Replacement ejector pins for all 144 cavities
Spare core pins
Extra valve-gate components
Seals, O-rings, and wear plates
A detailed maintenance schedule accompanies each mold, specifying inspection intervals, lubrication requirements, and wear monitoring procedures. Ansix Tech offers scheduled mold refurbishment at 200,000-cycle intervals, with proactive maintenance at cost-plus pricing to eliminate surprise repair costs. For molds requiring emergency repair, our in-house electrode manufacturing and EDM departments enable rapid replacement of damaged components, with most repairs completed within 24 hours.
Section Five: Competitive Differentiation – Direct Solutions to Common Industry Complaints
In the high-cavitation preform mold industry, customers consistently cite the same frustrations with conventional suppliers. Ansix Tech has structured our service model to directly address each of these pain points.
Customer Complaint Ansix Tech’s Solution
“The mold requires constant repair, disrupting my production schedule.” Every 144-cavity preform mold undergoes a 2,000-cycle accelerated wear test before shipment, accompanied by documented wear reports on all critical surfaces. Ansix Tech provides a three-year structural warranty on every mold (excluding normal consumable wear), providing predictable coverage against manufacturing defects.
“Excessive flash requires expensive manual post-mold trimming.” Our parting line manufacturing achieves mating accuracy of 0.005mm, and our molds incorporate self-locking clamping force compensation mechanisms. The result: flash controlled to 0.03mm maximum across all 144 cavities, eliminating manual deflashing operations and reducing scrap rates.
“Part dimensions vary unpredictably from batch to batch.” Every injection molding machine in Ansix Tech’s facility is equipped with in-mold pressure and temperature sensors. For critical applications, we integrate ultrasonic wall thickness sensors that provide real-time wall thickness feedback, enabling automatic packing pressure compensation to maintain dimensional stability. Closed-loop cavity pressure monitoring ensures each of the 144 cavities produces identical parts, cycle after cycle.
“Mold repair takes weeks, leaving my production line idle.” Ansix Tech’s vertically integrated manufacturing—including in-house electrode manufacturing, EDM, CNC machining, and polishing—enables most mold repairs without external subcontracting. Standard repairs are completed within 24 hours, and we maintain an inventory of pre-manufactured replacement inserts for common cavity configurations.
Conclusion: A Mold Is Not a Piece of Steel—It Is a Revenue-Generating Asset
At Ansix Tech, we hold a fundamental belief: a 144-cavity preform mold is not a piece of steel. It is a capital asset engineered to generate revenue for our customers. Every design decision we make—every steel selection, every cooling channel placement, every gate location—is evaluated based on how it will perform on our customers’ production floors.
Our design process integrates seamless manufacturing requirements—maintainability, service access, thermal management, and process robustness—from the very first concept drawing. When a 144-cavity preform mold arrives at a customer’s facility, it is ready for immediate installation: minimal setup time, minimal flash, and maximum productivity.
We invite customers to experience our process firsthand. Provide us with an existing part, and we will deliver a complete DFM report demonstrating how Ansix Tech identifies and mitigates the risks of weld lines, air entrapment, shrinkage, and dimensional instability before a single gram of steel is machined. This is not a sales pitch—it is a demonstration of capability, delivered at no obligation.
Ansix Tech: Transforming technical precision into measurable customer value, one 144-cavity preform mold at a time. For more information or to schedule a capabilities assessment, contact our engineering team directly.
Ansix Tech Corporation
ISO 9001:2015 · IATF 16949 · ISO 13485 · ISO 14001
Four manufacturing facilities across China and Vietnam
28+ years of precision injection molding and mold-making experience
Ansix Tech Co Ltd
If you have any plans related to 144-cavity preform mold , you can contact us at any time. We will turn your ideas into reality, let you realize your dreams, and obtain large orders from the market. Our contact information is info@ansixtech.com. Or contact our CTO, mail: stephen@ansixtech.com
#www.ansixtech.com #ansixtech.com #144-cavity preform mold #144-cavity preform mold moulds #144-cavity preform mold injection molding companies #144-cavity preform mold Canopy Mold injection mold companies #Ansix #Ansix moulds #Ansix china #Ansix tech china #Ansix tech company #Ansix facotry #144-cavity preform mold injection molding #144-cavity preform mold injection tools #144-cavity preform mold injection moulds #144-cavity preform mold plastic mould #144-cavity preform mold plastic tools #Ansix Tech #Ansix molds #Ansix injection molding #Ansix mold factory #injection molding 144-cavity preform mold #Ansix mold factory #144-cavity preform mold china #144-cavity preform mold molds #injection factory #144-cavity preform mold injection molding #144-cavity preform mold injection molding factory #injection molding company #144-cavity preform mold injection mold companies #144-cavity preform mold#144-cavity preform mold mold limited #Ansix mold china #Ansix companies #Ansix company China #144-cavity preform mold facotry #Ansix Tech #Ansix Tech mould #144-cavity preform mold injection moulding #injection moulding company #Ansix 144-cavity preform mold parts injection mold companies #medical injection molding companieschina #144-cavity preform mold china factory #Ansix moulding companies #Ansix molding company #144-cavity preform mold injection moulding facotry #Ansix Tech mold #144-cavity preform mold mould #144-cavity preform mold plastic injection molding #ansix plastic mold #Mold manufacturing #144-cavity preform mold parts manufacturing #144-cavity preform mold plastic parts factory #144-cavity preform mold injection parts mold #144-cavity preform mold PRECISION MANUFACTURING #144-cavity preform mold #China mold #144-cavity preform mold injection moulding china #144-cavity preform mold mould china #china precision mold #mold in china #144-cavity preform mold mold china #Precision molds #High-precision molds #144-cavity preform mold #Injection molds #144-cavity preform mold Factory #144-cavity preform mold Company #Super Large Injection Mold Factory #Large Tonnage Injection Molding Factory #144-cavity preform mold Company #144-cavity preform mold Factory #2800T Injection Molding Factory #3000 Ton Injection Molding #4500 Ton Injection Molding Factory #Large Mold Injection Molding #Large Plastic Mold Injection Molding Factory #Large Injection Mold Manufacturer #Plastic Mold Factory #Injection Mold #Plastic Mold