45mm Neck Plastic Preform, Glass Water Bottle Preform, Cylindrical Bottle Preform, Personal Care PET Tube Preform, Liquid Dispensing Bottle Preform
FEATURES
Liquid Dispensing Bottle Preform — Designed for detergents, cleaning agents, edible oils, and industrial liquid packaging, this preform features enhanced crystallinity control for improved drop-impact resistance and stress-cracking prevention. The design incorporates optimized gate location for balanced flow in multi-cavity molds.
Manufacturing Process
Ansix Tech employs a highly controlled injection molding process for PET preform production:
Raw Material Drying: PET resin is dried in dehumidifying dryers at 160-180°C for 4-6 hours to achieve moisture content below 0.02%, preventing hydrolysis and degradation during injection.
Injection Molding: Using specialized PET preform injection molding machines (30 to 2,800 tons), we process PET at barrel temperatures of 230-280°C. Injection pressure ranges from 80-150 MPa with holding pressure at 60-80% of injection pressure for 5-15 seconds to compensate for shrinkage.
Hot Runner System: All preform molds utilize valve-gate hot runner systems with precise temperature control zones. The hot runner ensures balanced melt delivery to each cavity, minimizing material waste and eliminating gate trimming.
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Mold Description
Product Materials:
PET PETG
Mold Material:
S136ESR
Number of Cavities:
24
Glue Feeding Method:
Hot runner
Cooling Method:
Water cooling
Molding Cycle
22.5s
- The mold manufacturing process and product material selection
Cooling and Ejection: Controlled cooling through conformal cooling channels maintains mold temperatures at 20-40°C, reducing cycle times by 30-40% while preventing crystallized haze. Robotic pickers extract preforms to avoid damage.
Cooling and Crystallization Control: Rapid, uniform cooling is critical for achieving amorphous transparency. Our molds incorporate customized cooling designs evaluated through finite element analysis to eliminate hot spots and achieve uniform stack cooling.
Delivery Efficiency
Ansix Tech operates four production facilities in China and Vietnam with over 260 injection molding machines, providing exceptional production capacity and delivery capability.
Multi-cavity molds: 16, 32, 48, 72, and 96-cavity configurations deliver daily outputs exceeding 500,000 units per mold.
Cycle times: Optimized cooling systems achieve cycles as low as 12-24 seconds depending on preform weight and geometry.
Lead times: Standard delivery 15-25 days for existing preform specifications; custom mold development 30-45 days.
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Supply capability: Monthly output capacity exceeding 100 million preforms.
Quality Assurance
Ansix Tech maintains an integrated quality management system certified to ISO9001, IATF16949, ISO13485, ISO14001, and BSCI, with ISO Class 8 Cleanroom and GMP compliance meeting FDA 510K standards for medical-grade applications.
Key quality metrics:
Weight tolerance: ±0.3g per cavity
Wall thickness uniformity: ±0.05mm variation
Neck finish precision: ±0.1mm
Preform height tolerance: ±0.5mm
Acetaldehyde content: <5ppm for food-grade applications
Tensile strength: ≥50 MPa
Each production batch undergoes:
100% automated vision inspection for surface defects, bubbles, black spots, and dimensional deviations
First article inspection (FAI) before production release
In-process quality monitoring with SPC (Statistical Process Control)
CPK measurement ensuring key dimensions achieve CPK ≥1.33
Material traceability with batch-specific resin certification
Competitive Cost Control
Ansix Tech delivers industry-leading cost advantages through:
Raw Material Optimization: Strategic partnerships with major PET resin suppliers (DuPont, Sinopec, etc.) secure competitive pricing. Ability to incorporate up to 30% food-grade recycled PET for non-critical applications while maintaining quality standards.
Energy Efficiency: All-electric servo-driven injection molding machines (Fanuc, Sumitomo, Engel, Arburg, Haitian) reduce energy consumption by 50-70% compared to hydraulic machines. Precision temperature controllers minimize thermal energy waste.
Multi-cavity Efficiency: High-cavity count molds (up to 96 cavities) maximize output per machine-hour, significantly reducing unit production costs.
Process Optimization: MES-integrated parameter control locks in optimal settings, eliminating trial-and-error waste. Conformal cooling reduces cycle times, improving machine utilization by up to 40%.
Minimized Scrap: Hot runner systems eliminate runner waste (material savings of 15-30%). Automated quality systems detect defects in real-time, reducing reject rates to below 0.5%.
Global Manufacturing Footprint: Facilities strategically located in China and Vietnam offer cost-competitive labor and overhead while maintaining world-class quality standards.
Reduced Post-Processing: High-precision flash-free molding eliminates deburring operations. Balanced material distribution minimizes downstream blow-molding adjustments.
Part 2: Core Customer Value — Mold Manufacturing, Material Selection, Smart Manufacturing, Process Quality Assurance
Mold Manufacturing and Injection Molding Material Selection
Customer Value Question: "How does your mold material selection affect my product quality and mold lifespan?"
Ansix Tech Solution: Our material selection directly translates to predictable tooling life and consistent part quality.
Mold Steel Classification and Applications:
Material Hardness Application Customer Benefit
P20 (Mold Base) HRC 32-38 Standard applications, nickel-plated finish Cost-effective base material; extends service life through corrosion protection
S136 / STAVAX HRC 46-52 Core, cavity, neck rings Superior corrosion resistance for clear/transparent parts; mirror finish achievable (Ra<0.05μm)
2316 HRC 48-52 High-wear components Excellent toughness for high-cycle applications
H13 HRC 52-55 Hot runner manifolds, high-temperature zones Withstands 300°C+ operating temperatures without softening
8407 / 2343 / 2344 HRC 50-54 Premium core/cavity inserts Extended tooling life exceeding 1 million shots
DC53 / SKD61 HRC 58-62 High-wear inserts 2-3x longer wear resistance than standard tool steels
NAK80 HRB 38-42 High-gloss cosmetic parts Pre-hardened; excellent polishability for mirror finishes
Beryllium Copper HRB 90-105 Cooling inserts where conventional cooling limited 3-5x higher thermal conductivity for uniform cooling in challenging geometries
Material Selection Value Translation:
For high-volume production: S136 or 2316 core/cavity steel guarantees 500,000-1,000,000 shots before wear-related maintenance is required
For glass-reinforced materials: H13 + DLC coating extends mold life by 200% compared to standard tool steels
For transparent/PET applications: S136 mirror finish eliminates flow marks and gate vestiges, achieving glass-like clarity
Smart Manufacturing Integration and Efficiency Improvement
Customer Value Question: "How does your smart manufacturing capability translate into faster delivery and lower costs for me?"
Ansix Tech Solution: Industry 4.0 integration delivers measurable improvements in production efficiency and quality consistency.
Smart Manufacturing Capabilities:
Technology Implementation Customer Value
MES (Manufacturing Execution System) All 260 injection machines networked with locked-in processing parameters; only authorized engineers can modify settings Eliminates operator-caused variation; ensures every batch replicates the qualified first article
Real-time Process Monitoring Ultrasonic wall thickness sensors integrated into injection units; closed-loop pressure and temperature feedback systems Automatic compensation for environmental or material variations; prevents out-of-spec production in real-time
In-mold Sensors Temperature and pressure sensors embedded in cavities provide live feedback during each cycle Reduced scrap to <0.5%; predictive maintenance alerts prevent unexpected downtime
Vision Inspection Systems 100% automated optical inspection at ejection; detects black spots, bubbles, dimensional deviations at 200+ parts/minute Zero defective parts reach packaging; reduces customer inspection cost to $0
Centralized Material Handling Automated resin drying and conveying systems; gravimetric blending for color/additive accuracy Eliminates manual material handling errors; color consistency across all cavities
Digital Twin / Mold Flow Analysis Moldex3D CAE simulation before physical manufacturing Predicts weld lines, gas traps, shrinkage before tooling cut; eliminates 80-90% of mold trials
Efficiency Metrics:
Overall Equipment Effectiveness (OEE): >85% across all production lines
Changeover time reduction: 40% faster through standardized SMED protocols
Machine utilization: 90-95% through optimized scheduling and predictive maintenance
Process Quality Assurance
Customer Value Question: "How can I be confident that every batch will meet my quality specifications?"
Ansix Tech Solution: A comprehensive quality management system with six layers of protection.
Quality Control Framework:
Layer Control Point Method Assurance Delivered
1 Raw Material Incoming Spectrometry, IV testing (0.78-0.85 dL/g), AA <5ppm Eliminates material-caused defects at source
2 Mold Qualification Full dimensional inspection report before delivery; CPK ≥1.33 for critical dimensions First production run produces saleable parts
3 First Article Inspection (FAI) Full part measurement before production release Customer approval before mass production
4 In-process Control (IPQC) SPC monitoring; sample inspection every 30 minutes Catches drift before defects occur
5 Automated Vision Inspection 100% optical inspection; rejects defective parts automatically Zero escapes to packing area
6 Final Quality Audit (OQC) Random sampling per AQL standards (MIL-STD-105E) Independent verification of quality
Process Stability Assurance:
Temperature control: Mold temperature maintained within ±2°C differential between core and cavity using zone-controlled mold temperature controllers. This prevents warp deformation and ensures dimensional stability.
Pressure consistency: Injection pressure repeatability ±0.1% through servo-electric drives (Fanuc/Sumitomo/Engel machines)
Dimensional validation: CMM (Coordinate Measuring Machine) and optical measurement systems provide comprehensive dimensional reporting
Material traceability: Each batch of preforms is traceable to specific resin lots, machine, mold cavity, operator shift, and production date
Defect Prevention Measures:
Customer Concern Ansix Tech Response Quantified Benefit
Flash/sink marks Mold base machined to 0.005mm mating precision; self-locking clamp force compensation Flash controlled within 0.03mm — eliminates hand-deburring
Dimension variation across batches Ultrasonic wall thickness monitoring with automatic packing pressure compensation Batch-to-batch variation <0.02mm for key dimensions
Color inconsistency Gravimetric blending systems; spectrophotometer validation for each batch Delta E <0.3 for color-critical applications
Brittleness from degraded material Residence time monitoring; polymer degradation alerts Zero brittle parts reaching customer
Certifications and Compliance:
ISO9001:2015 (Quality Management)
IATF16949:2016 (Automotive — zero-defect culture applied to all production)
ISO13485:2016 (Medical devices — process validation and documentation standards)
ISO14001:2015 (Environmental management)
BSCI (Social compliance)
ISO Class 8 Cleanroom + GMP for medical/pharmaceutical applications
FDA 510K compliant for food-contact materials
Part 3: Ansix Tech Standard PET Preform Weight Options by Neck Diameter
Based on Ansix Tech's standard product catalog and industry benchmarks, common weight ranges for PET preforms by neck diameter are as follows:
45mm Neck PET Preform — Standard Weight Options
Weight (grams) Height (mm) Typical Bottle Capacity Packaging Quantity per Carton
90g 165.7mm 5L-8L 160 pcs
95g 165.7mm 5L-8L 160 pcs
100g 169.0mm 8L-12L 160 pcs
105g 180.0mm 12L-15L 160 pcs
110g 180.0mm 12L-15L 160 pcs
120g 184.0mm 15L-18L 144 pcs
130g 184.0mm 15L-18L 144 pcs
145g Custom 18L-20L Custom
150g 193.3mm 18L-20L 120 pcs
160g 200.5mm 20L-25L 120 pcs
170g Custom 25L-30L Custom
185g Custom 30L+ Custom
Data compiled from industry standards
Glass Water Bottle Preform — Weight Options by Target Bottle Capacity
Bottle Capacity Neck Diameter Recommended Preform Weight
300ml - 500ml 28mm-30mm 12g - 18g
500ml - 1L 30mm-38mm 19g - 28g
1L - 1.5L 38mm 28g - 35g
1.5L - 2L 38mm-45mm 36g - 50g
3L - 5L 45mm-48mm 65g - 90g
*Note: Glass-effect preforms require higher molecular weight PET (IV 0.80-0.85) and controlled crystallinity (≤10%) to achieve maximum transparency.*
Cylindrical Bottle Preform — Weight Options
Neck Diameter Weight Range Typical Application
20mm-24mm 8g - 14g Small cosmetic/sample bottles
28mm-30mm 14g - 30g 300ml - 1L cylindrical bottles
38mm 30g - 65g 1L - 2.5L cylindrical bottles
45mm 65g - 130g 2.5L - 5L cylindrical containers
55mm-63mm 115g - 300g Wide-mouth cylindrical jars, 5L+
*Weight to capacity conversion: For cylindrical bottles, approximately 1 gram of preform weight produces 30-35ml of bottle capacity in standard configurations.*
Personal Care PET Tube Preform — Weight Options
Neck Diameter Weight Range Tube Diameter (blown) Application
20mm-24mm 6g - 12g 25mm - 35mm Travel-size tubes, samples
28mm-30mm 12g - 20g 38mm - 48mm Standard lotion/shampoo tubes
32mm-35mm 18g - 28g 50mm - 60mm Body wash, conditioner bottles
38mm-40mm 25g - 40g 60mm - 75mm Large personal care containers
45mm 40g - 65g 80mm - 100mm Family-size shampoo/lotion
Liquid Dispensing Bottle Preform — Weight Options
Neck Diameter Weight Range Typical Dispensing Type Application
24mm-28mm 12g - 22g Pump spray / Trigger Household cleaners, sanitizers
30mm-33mm 20g - 35g Disc-top / Flip-top Liquid soap, lotion dispensers
38mm 30g - 55g Pump / Pour spout Laundry detergent, fabric softener
45mm 50g - 90g Wide-mouth pour spout Bulk liquids, industrial chemicals
55mm 90g - 185g Heavy-duty dispensing 5L+ industrial containers
Part 4: Ansix Tech Production & Manufacturing Capabilities — Complete Solution for PET Preform Molds and Injection Molding
A 2,000+ Word Professional Manufacturing Proposal
Executive Summary
Dear Customer,
For Ansix Tech, a mold is not merely a metal block — it is a revenue-generating asset designed for maximum uptime, zero defects, and predictable output. We design every preform mold with planned sustainability: controlled mold flow, balanced thermal distribution, and optimized ejection systems. When our molds arrive at your production line, they operate from the first cycle with minimal adjustments, low flash, and extended service life.
Since 1998, Ansix Tech has specialized in the R&D, design, manufacture, and supply of precision plastic molds and injection molded products. With four manufacturing bases across China and Vietnam, 260 injection molding machines (30 to 2,800 tons), and over 1,200 employees, we deliver comprehensive preform solutions for beverage, personal care, pharmaceutical, and industrial packaging applications.
This proposal details how we transform technical specifications into measurable customer value across five critical dimensions:
Dimension Technical Focus Customer Value Delivered
Hard Capabilities 5-axis machining, EDM, CMM inspection Zero-defect molds delivered on schedule
Mold Manufacturing Steel selection, precision grinding, hot runner integration 500,000-1,000,000 shot mold life; predictable maintenance intervals
Injection Molding Process parameter optimization, sensor integration Consistent part quality batch after batch; scrap reduced to <0.5%
Quality System 6-layer control; SPC; CPK≥1.33 Customer inspection cost reduced to $0
Cost Optimization Material selection; multi-cavity efficiency; energy management 15-30% lower unit cost vs. industry average
Section 1: Infrastructure — The "Hard Capability" Foundation That Builds Customer Trust
Customer Question: "Do you have the equipment needed to make molds that perform to my specifications?"
Ansix Tech: We don't just claim capability — we prove it with our installed equipment base.
1.1 Mold Manufacturing Equipment
Equipment Category Specifications Customer Value Translation
5-Axis High-Speed Machining Centers 0.002mm precision; complex surface contouring capability Parting lines are smooth, flash-free, polished; eliminates secondary finishing operations
Wire EDM (Slow Wire Cut) 0.03mm fine hole and narrow slot capability Thin-wall features, narrow slots, and intricate geometries machined without distortion or burrs
Sinker EDM Multiple electrode capability for complex cavity geometry Consistent cavity-to-cavity dimensional matching across all mold cavities
CNC Grinding Precision surface and cylindrical grinding to 0.001mm tolerance Perfect mating surfaces ensure zero leakage during injection
Coordinate Measuring Machine (CMM) 3D dimensional verification with 1.2μm+ L*(1.0+L/250)μm accuracy Full dimensional inspection reports included with every mold; critical dimension CPK≥1.33
Optical Measurement Non-contact 3D scanning; high-speed dimensional verification Rapid inspection of complex contours; ideal for qualifying preform neck finishes
The Customer's Hard Benefit: You don't need to re-qualify our molds. Each mold is manufactured, measured, and verified before leaving our facility. First shots produce saleable parts.
1.2 Injection Molding Machine Park
Ansix Tech operates 260 injection molding machines from world-leading manufacturers — Japan's Fanuc, Sumitomo, Toshiba, Nissei; Germany's Engel and Arburg (primary for liquid silicone); China's Haitian and Victor Taichung.
Parameter Range Customer Benefit
Clamp Force 30 tons to 2,800 tons Coverage for 5g to 5kg+ preforms
Drive Technology All-electric servo on primary machines Energy savings of 50-70%; repeatability ±0.1% injection accuracy
Injection Units Dedicated PET screw designs Prevents material degradation; consistent IV retention
Process Control Full-vector closed-loop control Every shot replicates the qualified sample
The Customer's Hard Benefit: When we scale from trial to mass production, your product consistency is locked in by machine precision, not operator skill. 260 machines operating simultaneously deliver your volume requirements without supply gaps.
1.3 Inspection and Testing Laboratory
Equipment Capability Customer Value
Spectrophotometer Delta E color measurement; batch-to-batch color validation Eliminates color mismatch across production runs
Melt Flow Index Tester Material viscosity verification before production Identifies material variations before they reach your product
Tensile Tester ASTM/ISO standard mechanical property testing Validates material meets your performance requirements
Acetaldehyde Analyzer AA content measurement <5ppm Ensures food-grade safety; protects beverage taste profile
Section 2: Mold Manufacturing Core Competitiveness — Measurable Metrics That Matter
Customer Question: "How long will your mold last? Can you guarantee dimensional accuracy? What about maintenance costs?"
Ansix Tech: We put numbers behind every claim.
2.1 Mold Life Assurance — By Material and Application
Mold Component Standard Material Hardness Shot Life Guarantee Customer Value
Core & Cavity S136 / STAVAX HRC 48-52 500,000 shots (unfilled PET) Predictable tooling replacement intervals; zero unexpected downtime
High-wear applications 2316 / DC53 HRC 56-60 1,000,000+ shots Extended mold life; lower per-part tooling amortization
Glass-fiber reinforced (30-50% GF) H13 + DLC coating HRC 52-55 + coating 300,000-500,000 shots Handles abrasive materials without premature wear
Neck rings S136 / 8407 HRC 50-54 500,000 shots (replaceable inserts) Low-cost wear part replacement; no need to rebuild entire mold
Hot runner manifold H13 HRC 48-52 Lifetime (with seal replacement) Reduced long-term maintenance expense
Mold Frame Material: P20 nickel-plated (HRC 32-38) — corrosion protection extends frame life.
The Customer's Hard Benefit: We deliver mold steel certification and heat-treatment curves with every tool. Your maintenance planning becomes predictable — no surprises, no emergency mold rebuilds.
2.2 Dimensional Capability
Feature Type Achievable Tolerance Customer Value
Standard structural features ±0.05mm Fit, form, and function guaranteed without rework
Precision engagement surfaces ±0.01mm Mating parts assemble correctly every time
Critical customer-specified dimensions ±0.005mm Medical/automotive applications; zero assembly issues
Preform neck finish (threads, support ledge) ±0.05mm (after blow molding stabilization) Cap sealing reliability; no leakage complaints
Cavity-to-cavity weight variation ±0.3g maximum 24/48/96 cavity molds produce identical parts across all positions
Wall thickness uniformity ±0.05mm across all cavities Consistent bottle blow-up; reduced post-blow trimming
The Customer's Hard Benefit: Your product assembly is seamless. No sorting, no selective assembly, no customer returns.
2.3 Mold Types Offered
Mold Type Application Customer Value
Standard hot runner — valve gate PET preforms, bottle caps, thin-wall containers Zero runner waste; 100% material utilization
Stack mold (2-layer) High-volume production with machine clamp constraint Doubles output per machine-hour without additional capital investment
Two-shot / multi-material Cosmetics caps, over-molded handles, multi-color parts Single integrated part; eliminates assembly step
High-gloss mirror finish Transparent containers, cosmetic packaging Ra<0.05μm surface finish; eliminates secondary polishing
Multi-cavity (16/32/48/72/96) Large-scale beverage and personal care production Lowest per-part manufacturing cost; highest output per square meter of floor space
2.4 Gate and Runner Optimization — Mold Flow Analysis Integration
Customer Question: "How do I know your mold won't have flow marks, weld lines, or gas traps?"
Ansix Tech: We simulate before we cut steel.
Our design process begins with comprehensive Mold Flow Analysis using Moldex3D and other CAE tools, embedded directly into our design workflow rather than used as an after-the-fact diagnostic tool.
What Mold Flow Analysis Delivers:
Analysis Type Prediction Capability Customer Value
Fill analysis Flow front advancement; short shot prediction Optimized gate location and count; eliminates first-trial surprises
Weld line analysis Location and severity of flow convergence lines Relocate weld lines to non-critical areas; prevents cosmetic rejections
Gas trap prediction Air entrapment zones during filling Vent placement before machining; prevents burn marks and incomplete fill
Cooling analysis Temperature distribution; warpage prediction Uniform cooling = minimal residual stress = consistent blow molding results
Shrinkage compensation Post-cooling dimensional change Mold cavities cut with compensated geometry; parts meet drawing after cooling
The Customer's Hard Benefit: We eliminate 80-90% of mold trials. Your mold arrives ready to run — no costly experimentation, no delayed production starts.
2.5 Mold Delivery Standards
Mold Complexity Standard Lead Time Expedited (30% surcharge) Customer Value
Simple (≤16 cavities, standard geometry) 10 days 7 days Rapid market entry for fast-moving projects
Medium (32 cavities, custom neck finish) 25-35 days 20 days Balance of cost and speed
Complex (48+ cavities, precision features, multi-cavitation) 35-45 days 28 days Full optimization with validation steps preserved
The Customer's Hard Benefit: Predictable mold delivery means predictable product launch timing. Expedited options available without compromising the validation process.
Section 3: Injection Molding Process Control — Eliminating Customer Quality Anxiety
Customer Question: "I'm worried about sink marks, flash, dimensional drift, and batch-to-batch color variation."
Ansix Tech: Every customer anxiety has an engineered solution.
3.1 Process Standardization — The "Locked Process"
Control Element Implementation Customer Value
Parameter locking All machines networked to MES; parameters adjustable only by authorized engineers Eliminates "tweaking" by operators; every batch replicates the qualified first article
Recipe management Product-specific parameter sets stored and recallable Changeover time reduced by 60%; no setup errors
Real-time monitoring Temperature, pressure, velocity monitored at 100+ points per second Detects drift before it produces defects
First-off / Last-off comparison Automated measurement at start and end of each production run Confirms process stability across entire production shift
Cavity-specific tracking Each cavity's production identified and traceable Rapid root cause identification for cavity-specific issues
3.2 Dimensional Stability Control
Customer Question: "Why can't my current supplier keep consistent dimensions from batch to batch?"
Ansix Tech: Because they don't control temperature and pressure the way we do.
Temperature control: Mold temperature controllers maintain core and cavity temperatures within ±2°C differential using zone-controlled circuits. This precision eliminates warp and ensures uniform shrinkage across every part.
In-mold sensing: Where part dimensions are critical, we embed temperature and pressure sensors directly in the mold cavity. These sensors provide real-time feedback to the injection molding machine, which automatically adjusts holding pressure and cooling time to compensate for material or environmental variation.
Ultrasonic wall thickness monitoring: Sensors integrated into the injection unit measure wall thickness in real time, enabling automatic compensation of packing pressure to maintain ±0.05mm uniformity.
Proven capability: In comparable packaging products, our three-day continuous production trials achieved part-to-part critical dimension variation of less than 0.02mm across all three production batches.
The Customer's Hard Benefit: Your assembly automation works reliably because your parts are dimensionally consistent. No jams, no rejections, no production line stoppages.
3.3 Appearance Quality Standards
Quality Requirement Ansix Tech Capability Validation Method
Transparent parts No bubbles, no flow marks, no haze 100% optical inspection; lightbox verification
Plating-grade finish No gas traps, no flow lines, no sink Random sampling per AQL; adhesion testing
High-gloss (Ra≤0.2μm) Mirror finish achieved through S136 + polishing process Surface roughness measurement per cavity
Color consistency Delta E ≤0.3 across all production batches Spectrophotometer verification before shipment
3.4 Special Material Processing Capability
Ansix Tech has extensive production experience with engineering-grade materials across a range of industries:
Material Category Specific Grades Applications Processed
Standard thermoplastics ABS, PC, PP, HDPE, LDPE, PS, PA6/66 General packaging, consumer goods
High-temperature PEEK (continuous use to 250°C), PEI, PPS, LCP Medical devices, automotive under-hood, chemical-resistant components
Reinforced materials PC/ABS, PC, PPS+40%GF, PA6+GF30, PBT+GF30 Structural parts requiring strength and dimensional stability
Transparent engineering PC, PMMA, PET, PETG, SAN, MABS Optical components, premium cosmetic packaging
Flame-retardant UL94 V-0 rated materials (PBT, PA66, PC/ABS) Electrical enclosures, safety-critical housings
Liquid silicone (LSR) Silicone rubber Seals, gaskets, medical devices, baby care products
Specialized capability — PEEK processing: PEEK maintains structural integrity at continuous operating temperatures up to 250°C and provides excellent chemical resistance. Our design guidelines maintain minimum 2mm wall thickness for PEEK parts to minimize void formation and warp.
Specialized capability — LCP processing: For liquid crystal polymers, we maintain wall thickness below 1mm and flow length below 150mm to ensure complete fill without material degradation.
The Customer's Hard Benefit: You don't need to find different suppliers for different materials. Ansix Tech handles your entire material portfolio — from standard PET to high-performance PEEK — with the same quality system.
Section 4: Full-Process Service — Reducing Your Management Overhead
Customer Question: "How do I manage mold development, validation, production, and maintenance across multiple suppliers?"
Ansix Tech: You don't. We do it for you.
4.1 Early Engagement — The DFM Report (Design for Manufacturability)
Before we cut a single piece of steel, we deliver a comprehensive DFM report including:
DFM Report Element What We Analyze Customer Value
Draft angle recommendations Minimum draft required for clean ejection Prevents part sticking; eliminates ejection damage
Wall thickness optimization Uniformity and flow analysis Shorter cycle times; reduced warp; material savings
Gate location selection Balanced fill analysis Eliminates visible gate marks in critical cosmetic areas
Ejector pin placement Pin mark location and sink mark analysis Pin marks relocated to non-visible surfaces
Cooling circuit design Thermal analysis via FEA Predictable cooling; minimized cycle time
Vent placement Gas trap identification Prevents burn marks; complete fill
Shrinkage compensation Post-mold dimensional prediction Parts meet drawing tolerances after cooling
The Customer's Hard Benefit: You avoid the costly cycle of "open mold → discover problem → rebuild mold." We identify and resolve issues during the design phase.
4.2 Trial and Sampling Process — T0 to T3
Stage Deliverable What You Receive
T0 (First trial) Mold function verification; 50-100 sample parts Confirmation mold operates; preliminary part evaluation
T1 (Optimization) Improvement report; adjusted parameters Issues identified in T0 addressed; revised samples
T2 (Verification) Full dimensional report; CPK analysis Process stability confirmed; all dimensions meet specification
T3 (Release) Production-ready mold; process documentation Mold transferred to mass production; full documentation package
The Customer's Hard Benefit: You have full visibility into mold development progress. No surprises, no unexplained delays.
4.3 Pilot Production — Before Full Commit
Before authorizing full-scale mass production, Ansix Tech offers 100-500 shot pilot production runs to validate yield rate and CPK across your entire production chain.
Pilot production deliverables:
Production yield report (first-pass yield)
CPK calculation for all critical dimensions
Operator training (if production is at your facility)
Process parameter finalization
The Customer's Hard Benefit: You don't commit to mass production until we prove the process is stable. Your risk is minimized.
4.4 Maintenance and Spare Parts
Service What We Provide Customer Value
Wear parts Spare ejector pins, core pins, hot runner seals delivered with mold Immediate replacement capability; no production stoppage waiting for parts
Maintenance schedule Every 200,000 shots — recommended mold maintenance plan Mold life extended by 50-100%
Lifetime support Mold repair at cost + 10% throughout mold service life Predictable maintenance cost for the life of the mold
Emergency repair 24-hour turnaround for critical repairs (in-house EDM and grinding) Production downtime measured in hours, not days
The Customer's Hard Benefit: You don't need to maintain an in-house mold repair shop. We are your backstop.
Section 5: Differentiated Value — Addressing Common Industry Pain Points
Customer Question: "Everyone says they're good. Why should I choose Ansix Tech specifically?"
Ansix Tech: Because we have specific answers to the problems you've experienced with other suppliers.
Common Customer Complaint Industry Standard Response Ansix Tech's Specific, Actionable Response
"The mold needs constant repair; it's always down." "We'll send someone to look at it... next week." We perform 2,000-shot run-off before delivery and provide a wear report. We offer three-year mold structure warranty (excluding normal wear parts).
"There's always flash; my operators spend hours hand-trimming." "Adjust the machine settings." We machine parting surfaces to 0.005mm mating precision and use self-locking clamp force compensation systems. Flash controlled to ≤0.03mm — no hand-trimming required.
"I get different dimensions every time I run the same mold." "Maybe your material batch is different." We install ultrasonic wall thickness monitoring that provides real-time feedback and automatically compensates packing pressure. In-mold sensors enable closed-loop control.
"Mold repair takes weeks; I miss my production schedule." "We'll schedule it in our repair queue." We maintain in-house electrode manufacturing and EDM cells. Mold repair never leaves our facility. Standard repair: 24-hour turnaround for welding/insert replacement.
"I can't keep up with demand during peak season." "Our capacity is fixed; please plan ahead." 260 injection molding machines across four facilities in two countries provide 24/7 production capability with built-in surge capacity.
"The material cost keeps eating my margin." "Material prices are market-driven." We offer alternate material recommendations, recycled material integration (up to 30% for non-critical applications), and multi-cavity optimization that reduces per-part material consumption.
The Customer's Bottom-Line Benefit: You get a partner, not a supplier. We take ownership of mold performance, production quality, and delivery reliability. Our success is measured by your success.
Summary: Why Ansix Tech for Your PET Preform Needs
Your Requirement Ansix Tech's Delivered Value
Mold that runs 500,000+ shots without major repair S136/2316 tool steel + vacuum heat treatment + DLC coating on wear surfaces
±0.05mm dimensional accuracy across all cavities 5-axis CNC machining + CMM verification + CPK≥1.33
15-25 day mold delivery In-house manufacturing cell + standard mold platform + parallel processing
0.5% or lower reject rate MES-locked parameters + in-mold sensors + 100% automated vision inspection
No hand-trimming required 0.005mm parting surface fit + self-locking clamp force compensation
One supplier for all preform needs 45mm neck, glass water bottle, cylindrical, personal care tube, liquid dispensing — all under one roof
FDA/EU food-contact compliant ISO9001/IATF16949/ISO13485 + ISO8 Cleanroom + GMP + material traceability
Competitive pricing 260 machines + global factory footprint + strategic resin partnerships + multi-cavity efficiency
Closing
Dear Customer,
For Ansix Tech, a mold is not a piece of metal — it is a revenue-generating asset, a production machine that continues to deliver value for years after delivery.
We design our preform molds with planned considerations for: mold rigidity for flash-free operation; balanced gas venting for complete fill without burn marks; conformal cooling for uniform temperature distribution; and simplified ejection systems for maintenance accessibility. When you receive an Ansix Tech mold, you receive a production-ready asset that runs from the first cycle.
We invite you to share an existing product for a comprehensive DFM report demonstration. You will see firsthand how we identify and resolve potential issues — weld lines, gas traps, sink marks, dimensional risks — before we cut a single piece of steel.
Let's schedule a technical review to discuss your specific preform requirements across 45mm neck, glass water bottle, cylindrical, personal care tube, and liquid dispensing applications.
Ansix Tech — Precision Engineering. Proven Performance. Predictable Delivery.
Part 5: Ansix Tech — Complete Design, Development, and Manufacturing Capability for PET Preform Solutions
Company Profile — 28+ Years of Manufacturing Excellence
Since 1998, Ansix Tech has specialized in the research, development, design, manufacture, sale, and service of precision plastic molds and injection molded products. Our company focuses on delivering high-quality, highly technical, and competitive products to customers worldwide across beverage, personal care, pharmaceutical, automotive, medical device, and industrial packaging markets.
Corporate Metrics Data
Founded 1998 by Mr. Huang
Global headquarters Hong Kong
Manufacturing facilities Four (Shenzhen, Dongguan, Hunan, Vietnam)
Total plant area 200,000+ square meters
Employees 1,200+
Annual turnover 1 billion+ RMB
Injection molding machines 260 units (30 to 2,800 tons)
Quality certifications ISO9001, IATF16949, ISO13485, ISO14001, BSCI
Cleanroom standard ISO Class 8 + GMP
Customer Value Framework — What Ansix Tech Delivers
Value 1: Reduced Product Hard Costs through Material, Process, and Efficiency Optimization
Material Optimization:
Strategic partnerships with major PET resin suppliers (DuPont, Sinopec, industry equivalents) secure volume pricing that passes savings to customers
Ability to incorporate up to 30% food-grade recycled PET for non-critical applications, reducing material cost by 15-25% while maintaining quality standards
Proprietary formulation recommendations for specific applications — IV 0.78-0.85 dL/g for mineral water; higher IV for carbonated beverages; customized color masterbatch integration
Process Efficiency:
Multi-cavity mold configuration (16/32/48/72/96 cavities) maximizes machine utilization and reduces per-part costs
Cycle time optimization through conformal cooling design reduces production time by 30-40%
Hot runner systems eliminate runner waste, achieving 100% material utilization into salable parts (15-30% material savings vs. cold runner)
Energy Cost Reduction:
All-electric servo-driven injection machines reduce energy consumption 50-70% compared to hydraulic machines
Quality = Lower Total Cost:
Zero defective parts delivered to customer eliminates customer inspection costs
Reduced post-processing — flash-free molding eliminates hand-trimming operations
Value 2: Verified Quality — How Ansix Tech Validates Your Product
Customer Question: "How do I know my product meets specifications before mass production?"
Validation Process:
Validation Phase Activities Deliverable
Material validation Spectrometry, IV testing (target 0.78-0.85 dL/g), AA content analysis (<5ppm) Certificate of Analysis for each material batch
Mold qualification CMM full dimensional inspection; CPK calculation for all customer-specified critical dimensions Inspection report; CPK≥1.33 for critical dimensions
Process validation (IQ/OQ/PQ) Installation Qualification (mold fits specified machine); Operational Qualification (all systems function); Performance Qualification (consistent output across run) Validation protocol signed off
Trial sampling (T0-T3) Mold function; parameter optimization; full dimensional verification; CPK confirmation 50-100 T0 samples + T1 optimization samples + T2 verification samples + T3 release samples
Pilot production 100-500 shot continuous run; yield analysis; OEE calculation Production readiness report
Mass production validation First article inspection per batch; SPC monitoring; 100% automated vision inspection Production certification per batch
ISO 8 Cleanroom and GMP Compliance: For pharmaceutical, medical device, and food-contact applications, Ansix Tech operates ISO 8 Cleanroom facilities with Good Manufacturing Practice (GMP) protocols that comply with US FDA 510K standards.
Value 3: Supply Chain Stability and Delivery Assurance
Customer Question: "How do I know you'll meet my production schedule?"
Ansix Tech's Delivery Capability:
Factor Capability Customer Benefit
Manufacturing footprint 4 factories across 2 countries Production redundancy; natural disaster or regional disruption doesn't stop supply
Machine capacity 260 injection molding machines (30-2,800 tons) Handle sudden volume increases without new capital investment
Raw material security Strategic partnerships with major resin suppliers; 4-6 week safety stock maintained No material shortages; predictable raw material pricing
Logistics Dedicated logistics teams at each facility On-time delivery tracked and reported; expedite options available
Lead time — existing preform specifications 15-25 days Fast turnaround for established products
Lead time — custom mold development 30-45 days Predictable product launch timeline
The Customer's Hard Benefit: You don't carry safety stock for Ansix Tech's unreliability. We carry it for you.
Value 4: Comprehensive Design and Engineering Support
Initial Consultation and Feasibility Analysis:
Pre-DFM review to assess manufacturability before project commitment
Material selection guidance based on application requirements (PET grades, IV range, colorants, additives)
Cost estimation based on design complexity, cavity count, and volume projections
DFM (Design for Manufacturability) Report:
Comprehensive analysis delivered before any tooling commitment, including:
Analysis Area Deliverable
Mold flow simulation (Moldex3D/CAE) Fill pattern, weld line location, gas trap prediction, cooling analysis
Draft angle recommendations Minimum draft for ejection without surface damage
Wall thickness optimization Uniform wall design for balanced cooling and shorter cycles
Gate location Optimized placement for cosmetic appearance and balanced fill
Ejector pin placement Pin mark location approved by customer before design finalization
Shrinkage compensation Mold cavity geometry offset to meet part dimensions after cooling
Material-specific design guidelines PEEK: min 2mm wall; LCP: <1mm wall, <150mm flow length
3D Modeling and Design Validation:
Full 3D mold design with all components modeled
Interference checking and motion simulation
Cooling circuit validation via finite element analysis
Customer design review prior to manufacturing
Value 5: In-House Manufacturing and Assembly Capability
Customer Question: "Do you outsource critical steps that could delay my project?"
Ansix Tech: Key operations stay in-house for quality and speed control.
Capability In-House Outsourced (Controlled)
CNC machining (5-axis, 3-axis) Yes —
EDM (wire and sinker) Yes —
Precision grinding Yes —
Heat treatment — Certified partners (specifications controlled)
Mold assembly Yes —
Mold trial (on our presses) Yes —
Quality inspection (CMM/optical) Yes —
Electrode manufacturing Yes —
The Customer's Hard Benefit: Mold repair and modification doesn't require waiting for external vendors. We control the entire process from start to finish.
Value 6: Full Product Lifecycle Support
Phase Ansix Tech Support Duration
Design DFM analysis; material selection; cost optimization Pre-project
Development Mold design; trial sampling; pilot production 30-60 days
Qualification First article inspection; CPK validation; customer approval 5-10 days
Mass production 24/7 production; SPC monitoring; quality reporting Ongoing
Maintenance Spare parts inventory; emergency repair (24-hour turnaround) Throughout mold life
End-of-life Mold replacement planning; transition support As needed
Raw Material Selection and Characteristics
Primary Material: PET (Polyethylene Terephthalate)
Parameter Food/Beverage Grade Technical/Industrial Grade
Intrinsic Viscosity (IV) 0.78-0.85 dL/L 0.72-0.80 dL/L
Melting point 250-260°C 245-255°C
Acetaldehyde (AA) content <5ppm (food-grade requirement) <10ppm
Moisture content (after drying) <0.02% <0.02%
Tensile strength (yield) 50-70 MPa 45-65 MPa
Glass transition temperature (Tg) 75-80°C 75-80°C
PET Material Grades:
Application Recommended IV Supplier Examples
Still water bottles (low carbonation) 0.78-0.80 dL/L DuPont, Sinopec, industry equivalents
Carbonated beverages 0.82-0.85 dL/L Higher viscosity for burst resistance
Hot-fill applications 0.80-0.82 dL/L plus crystallization control Requires heat-set processing
Edible oil bottles 0.80-0.85 dL/L Enhanced barrier properties
Personal care (non-food) 0.74-0.80 dL/L Lower cost grade acceptable
Material Characteristics That Affect Processing:
Characteristic Impact Control Method
Hygroscopic nature Absorbs moisture from air; leads to hydrolysis and viscosity drop during processing Drying to <0.02% moisture before processing
Thermal sensitivity Degrades above 300°C; produces acetaldehyde (off-taste) Residence time monitoring; PE purge for shutdowns >15 minutes
Crystallization behavior Slow crystallizer; rapid cooling yields amorphous (transparent) parts; slow cooling yields crystalline (opaque) parts Mold temperature control 20-40°C; rapid cooling
Recycled content capability Up to 30% PCR (post-consumer recycled) for non-critical applications Quality testing each batch
DFM Analysis — Preform-Specific Considerations
Modl Flow Analysis for Preforms:
Preform Feature DFM Analysis Focus Customer Value
Neck finish (thread area) Balanced fill to prevent incomplete thread formation; crystallinity control for cap sealing Consistent cap torque; no leakage
Gate area (typically below support ledge) Gate vestige control; gate mark visibility Blown bottle has no visible gate mark on finished product
Body wall thickness Uniformity analysis to predict stretch blow distribution Even bottle wall thickness after blow molding
Bottom push-up (dome area) Material distribution modeling for impact resistance Bottle stands upright without wobbling; survives drop impact
Weight distribution Cavity-to-cavity variation analysis Identical preforms from all cavities
Mold Design Priorities for High-Volume Preform Production
Design Feature Priority Customer Value
Cooling system Highest priority — determines cycle time and part quality Conformal cooling channels designed via FEA; uniform stack cooling; eliminates hot spots
Hot runner selection Valve-gate system with multiple temperature control zones Precise PET temperature control along entire melt path; reduces material stress and degradation
Gate design Balanced flow length across all cavities; consistent shear rate Identical preform weight across all cavities (±0.3g)
Venting Sufficient venting without flash Complete fill without burn marks; parting line vent depth 0.03mm maximum
Ejection system Stripper plate design (preferred for preforms) Clean ejection without part damage; no ejector pin marks on cosmetic surfaces
Material selection S136/2316/8407 for core/cavity/neck 500,000-1,000,000 shot mold life
Insulation 12mm insulation plate between mold and machine platen Prevents heat transfer to machine; stable process conditions
Mold Manufacturing Process Flow
Step Process Specification Quality Control Point
1 Steel roughing Machine stock 0.5-1.0mm for finishing Material certification verified
2 Heat treatment (if specified) Vacuum hardening to target HRC Heat-treatment curve recorded
3 5-axis CNC finishing 0.002mm precision on critical surfaces In-process CMM check
4 EDM (if required) ±0.003mm accuracy for complex cavities Electrode dimensions verified
5 Grinding (mating surfaces) Flatness within 0.005mm Surface plate check
6 Cooling channel drilling Conformal to FEA-optimized layout Flow rate and pressure test
7 Polishing (cosmetic surfaces) Ra ≤0.2μm for standard; Ra<0.05μm for mirror finish Surface roughness measurement
8 Hot runner installation Leak test; temperature control calibration 24-hour hot runner soak test
9 Mold assembly All components fitted Assembly dimensions recorded
10 Mold trial (T0) On Ansix Tech injection machine 50-100 sample parts
11 Full dimensional inspection CMM + optical measurement Complete inspection report
12 Mold preparation for delivery Corrosion protection; packaging Final sign-off
Processing Challenges and Ansix Tech Solutions
Challenge Industry Common Issue Ansix Tech Solution
White haze Crystallization from poor cooling control Mold temperature controllers with ±1°C precision; conformal cooling design; turbulent cooling flow calculation
Acetaldehyde generation Degraded PET causing off-taste in beverages Residence time monitoring; purge protocols; material feed optimization; barrel temperature control within 5°C of target
Black specks Degraded material or contamination Dedicated PET processing lines; hot runner sealing; material purity verification
Cavity-to-cavity weight variation Unbalanced melt flow Mold flow analysis validated; manifold design optimized; individual cavity flow adjustments
Poor transparency Incomplete amorphous structure Mold temperature below 40°C; rapid cooling; material drying confirmed
Flash on parting line Insufficient clamp force or wear Parting surface precision 0.005mm; mold lifter pins; clamp force verification before each run
Ovality after blow molding Non-uniform preform wall thickness Wall thickness monitoring (±0.05mm specification); stretch blow optimization support
Process Optimization — Efficiency and Cost Control
Cycle Time Optimization Factors:
Factor Optimization Approach Result
Cooling efficiency Conformal cooling channels; high-thermal-conductivity steel (beryllium copper inserts for hot spots) Cycle reduction 30-40%
Mold opening speed Optimized acceleration profiles; servo-driven ejector plates 1-2 second reduction per cycle
Automation integration Robotic part removal; conveyor integration Continuous operation; no manual intervention required
Hot runner temperature control Zone-specific controllers; PID tuning for each cavity set Consistent filling; reduced cooling demand
Material drying efficiency Centralized drying systems with moisture monitoring Eliminated drying delays
Quality Control and Assurance
Control Point Method Acceptance Criteria
Incoming material Spectrometry; IV testing; AA analysis IV 0.78-0.85 dL/L; AA<5ppm
In-process — dimensional Cavity sample every 30 cavities Critical dimensions within 90% of tolerance band
In-process — weight Automated weigh scale after ejection ±0.3g from target
In-process — visual 100% automated vision inspection No bubbles, black spots, flow marks, or voids
Batch release SPC analysis of 30 consecutive parts CPK≥1.33 for all customer-specified dimensions
Packaging Layer separation with white paper between layers No surface scratching during transport
Final quality audit AQL 0.65 (MIL-STD-105E) random sampling ≤0.65% defect rate across all defect categories
Packaging for Secure Delivery
Preform Type Packaging Method Quantity per Carton Protection
45mm neck, 90-110g White paper layer separation; 8 layers per carton 160 pcs Prevents surface scratching; static protection
45mm neck, 120-130g White paper layer separation; 6 layers per carton 144 pcs Same as above
45mm neck, 150-185g White paper layer separation; 5 layers per carton 120 pcs Same as above
Custom/small preforms Bulk bag + layer pads Custom (based on size/weight) Corner protection for cartons
Industry Experience Summary
Ansix Tech has successfully delivered preform solutions for:
Market Segment Applications Delivered Key Requirements Met
Beverage packaging Still water, carbonated soft drinks, juices, teas, sports drinks Food-grade PET; AA<5ppm; high output volume (50M+ units/year)
Personal care Shampoo, conditioner, lotion, body wash, cosmetics Custom colors; premium surface finish; barrier properties
Pharmaceutical Medicine bottles, supplement containers ISO13485; Cleanroom manufacturing; material traceability
Household chemicals Detergents, cleaners, degreasers Chemical resistance; drop-impact resistance
Food packaging Edible oils, condiments, sauces Food-contact certification; UV resistance
Conclusion: The Ansix Tech Advantage
What Ansix Tech Provides That Others Don't:
Predictable mold life — 500,000-1,000,000 shots guaranteed, backed by steel certification and heat-treatment records
Dimensional consistency — CPK≥1.33 on all customer-specified critical dimensions
Zero-defect delivery — 100% automated vision inspection; scrap <0.5%
Fast delivery — 15-25 days for standard preform specifications; 30-45 days for custom molds
One-stop solution — Design + DFM analysis + mold manufacturing + injection molding + quality validation + delivery
Competitive pricing — 260 machines + global footprint + strategic material partnerships + multi-cavity efficiency
Full compliance — ISO9001, IATF16949, ISO13485, ISO14001, BSCI, ISO8 Cleanroom, GMP, FDA 510K compatible
28+ years experience — Four facilities across two countries; over 1,200 employees; serving customers worldwide
Our Commitment:
"For Ansix Tech, a mold is not a piece of metal — it is a revenue-generating asset. We design every mold with planned consideration for rigidity, gas venting, thermal balance, and serviceability. When our molds arrive at your facility, they run from the first cycle — flash-free, dimensionally stable, and production-ready."
All data, specifications, and capabilities described above are accurate as of the date of this proposal. For current material availability, pricing, and delivery lead times, please contact Ansix Tech sales engineering.
Ansix Tech Co Ltd
If you have any plans related to 45mm Neck Plastic Preform, Glass Water Bottle Preform, Cylindrical Bottle Preform, Personal Care PET Tube Preform, Liquid Dispensing Bottle Preform , 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
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