Puncture needle and anesthesia needle mold, metal needle coated with PC injection molding
FEATURES
Hard-Power Infrastructure – Building Customer Trust Through Equipment Excellence
1.1 Mold Manufacturing Equipment
Five-Axis High-Speed Machining Centers
Ansix Tech's mold manufacturing facility is equipped with advanced five-axis high-speed machining centers capable of achieving positioning accuracy of ±0.002mm (2 microns) on complex curved surfaces. This precision ensures that parting lines on medical needle components are smooth and burr-free, directly impacting patient safety and product reliability.
Customer Value Translation: When Ansix states "±0.002mm contour accuracy," the customer benefit is: flawless product surfaces that eliminate secondary finishing operations, reducing post-molding labor costs by up to 30-50% per part.
Wire EDM (Slow Wire Cutting)
The company's slow wire EDM capabilities can machine 0.03mm fine micro-holes and narrow slots without causing thin-wall deformation. For puncture needles, where the smallest hole size may be only 1mm in diameter and core concentricity must be ensured, this capability is mission-critical.
Customer Value Translation: Zero distortion on delicate features means fewer rejected parts, higher yield rates, and reliable performance in clinical applications where even micron-level deviations can affect patient outcomes.
Automated Machining Capability
Ansix Tech has achieved an automated processing ratio of 70% with an average of only two mold trials required before production release. This automation translates directly to faster delivery and consistent quality.
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Mold Description
Product Materials:
SUS316+PA12
Mold Material:
S136ESR
Number of Cavities:
2
Glue Feeding Method:
Hot runner
Cooling Method:
Water cooling
Molding Cycle
32.5s
- The mold manufacturing process and product material selection
Injection Molding Machine Fleet
Scale and Range
Ansix Tech operates 260 injection molding machines with clamping forces ranging from 30 tons to 2,800 tons, covering everything from miniature precision components to large structural housings. The fleet includes world-class brands: Japan's Fanuc, Sumitomo, Toshiba, Nissei, Engel, and Germany's Arburg (primarily for liquid silicone rubber two-component molding).
Customer Value Translation: One manufacturing partner capable of producing everything from tiny needle hubs to complete device assemblies – reducing supplier management overhead and logistical complexity.
All-Servo Electric Drive
All machines feature all-servo electric drive with stable repeatability precision of ±0.1%. This means every single part is identical to the first one, even from the millionth shot.
Customer Value Translation: Predictable, consistent quality across millions of parts – no batch-to-batch variation, no surprise dimensional drift, no production line stoppages due to inconsistent components.
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Quality Inspection Equipment
Coordinate Measuring Machines (CMM) and Optical Imaging Systems
Ansix Tech's quality laboratory is equipped with CMMs and optical imaging systems capable of sub-micron resolution. The CMM provides dimensional measurement accuracy of ±0.001mm (1 micron).
Customer Value Translation: Every mold shipped is certified with a full dimensional report – you receive documented proof of quality, not just promises.
CPK Verification
Every production mold undergoes full dimensional inspection before delivery, with critical dimensions verified at CPK ≥ 1.33. A CPK of 1.33 indicates the process is five times more precise than the specification tolerance – only 63 defective parts per million.
Customer Value Translation: Statistical proof that your production process will run with near-zero defects from day one – no expensive validation re-runs, no production delays, no regulatory compliance headaches.
II. Mold Manufacturing – Core Competitiveness with Measurable Metrics
2.1 Mold Materials Selection – Strategic Choices for Performance and Longevity
Ansix Tech's cost-saving philosophy is deeply rooted in strategic material selection for both the mold itself and the molded plastic components.
Mold Steel Grades and Applications:
Material Grade Application Customer Value
S136 / 4Cr13 / 9Cr18 Corrosion resistance for medical and food-contact applications No rust risk, no surface pitting – critical for sterile medical environments
2344 / 8407 / H13 / SKD61 High toughness for glass-filled materials Withstands abrasive wear from glass-reinforced resins
NAK80 High-cycle applications (500,000+ shots) Exceptional polishability for optical-grade surfaces
P20 Prototype or low-volume runs Cost-effective for validation phases
S136H Medical-grade transparent PC fittings Vacuum-hardened to HRC 48–52 – delivers clarity and corrosion protection
For high-volume anesthesia needle production, Ansix typically selects pre-hardened steel (e.g., PMS steel) or corrosion-resistant steel (e.g., PCR steel) – materials that offer an optimal balance of machinability, polishability, and durability.
Customer Value Translation: Every mold steel is scientifically matched to your specific production volume, plastic material, and part geometry – maximizing mold life while minimizing upfront tooling cost.
Mold Life Guarantee
Ansix Tech provides clear commitments:
Glass-fiber reinforced materials: Guaranteed 500,000 shots
Standard plastics: Guaranteed 1,000,000 shots
Customer Value Translation: You know exactly how many parts your mold will produce before requiring maintenance – accurate cost-per-part calculations, no unexpected tooling replacement expenses.
Traceability
Every mold ships with certified material test reports and documented heat treatment curves, providing full traceability required for ISO 13485 audits.
2.2 Achievable Tolerances
Component Type Achievable Tolerance Customer Value
Standard structural components ±0.05mm (ISO 2768-m) Immediate cost savings of 30-50% per part vs. CNC machining
Precision gears and medical components ±0.005mm Reliable function of critical mechanical interfaces
Complex curved surfaces ±0.002mm contour accuracy Smooth parting lines, no burrs, no manual finishing
Customer Value Translation: Whether your component is a simple housing or a精密 medical device, we specify and deliver exactly the tolerance you need – never over-engineered (costly) and never under-engineered (risky).
2.3 Mold Types and Capabilities
Ansix Tech offers a comprehensive range of mold technologies:
Mold Type Capability Customer Benefit
Hot Runner Systems Reduce material waste Lower material costs, shorter cycle times
Stack Molds Double output per cycle Shorter lead times for high volumes
Two-Color / Multi-Material Molds Simultaneous molding of rigid substrate and soft overmold Integrated assemblies in one production step – eliminates secondary assembly
High-Gloss Mirror Finish Molds Surface roughness Ra < 0.05μm Optical-grade transparent components, SPI A1 finish
Insert Molds Precision positioning systems for metal insert encapsulation Perfectly aligned metal needles overmolded with PC – no concentricity issues
Customer Value Translation: One mold technology partner with the full spectrum of capabilities – no need to source different mold types from different suppliers.
2.4 Gating Strategy and Flow Optimization
Using advanced Moldflow simulation, Ansix Tech predicts melt front advancement, potential air traps, and weld line formation before any steel is cut.
Customer Value Translation: Weld lines – the weak points where molten plastic flows meet and may not bond perfectly – are identified and eliminated in the digital phase, not discovered during production. No surprises, no scrap.
2.5 Cooling System Design – The Hidden Driver of Efficiency
Cooling typically accounts for 60% to 80% of total injection molding cycle time. Ansix Tech engineers cooling layouts with:
Conformal Cooling Channels: Following part contour geometry for uniform thermal extraction rather than traditional straight-drilled channels
Zone Temperature Control: Core and cavity temperature differentials controlled within 2°C to reduce warpage
Customer Value Translation: Shorter cycle times = more parts per hour = lower per-part cost. Uniform cooling = less warpage = fewer rejects.
2.6 Mold Delivery Standards
Mold Complexity Standard Lead Time Expedited Lead Time
Simple molds 10 days –
Medium complexity 25-45 days 20 days (with validation steps maintained)
Customer Value Translation: Predictable timelines for project planning – faster time-to-market without skipping critical DFM or T1 sampling phases.
III. Injection Molding – Process Control to Eliminate Quality Anxiety
3.1 Process Standardization and MES Integration
All machines are networked with molding parameters (temperature, pressure, speed, time) locked into the MES system – only authorized engineers can make adjustments. Every batch undergoes first-article and last-article inspection.
Customer Value Translation: No unauthorized operator tweaks, no undocumented process changes, no "mystery" quality variation between shifts or production runs. Full traceability for regulatory audits.
3.2 Dimensional Stability Control
Real-time wall thickness monitoring using ultrasonic sensors with automatic compensation of holding pressure ensures consistent dimensions.
Customer Value Translation: For a typical bracket product, three consecutive production batches over one week show key hole spacing fluctuation ≤ 0.02mm. Your assembly line can count on parts that fit every time – no rework, no adjustments.
3.3 Appearance Quality Grades
Requirement Achievable Standard Customer Value
Transparent parts No bubbles, no flow marks Optical clarity for medical viewing windows
Electroplated parts No gas marks Perfect surface for decorative or functional coatings
High-gloss parts Surface roughness Ra ≤ 0.2μm Premium aesthetic quality
For products requiring painting or printing, Ansix Tech pre-calculates deformation compensation to achieve print registration accuracy within ±0.1mm.
3.4 Advanced Materials Processing Capability
Ansix Tech has extensive experience with a wide range of specialty materials:
PC/ABS – Medical device housings
PC – Transparent components, needle hubs
PPS + 40% GF – High-temperature, dimensionally stable parts
PEEK – High-performance implantable-grade components
PTFE/PFA – Chemical-resistant applications
PA6 + GF30 – Structural components with glass reinforcement
PBT – Electrical insulation components
PEI/PPS/LCP – High-heat, precision applications
Liquid Silicone Rubber (LSR) – Soft-touch seals and overmolds
Customer Value Translation: One manufacturing partner who already knows how to process your chosen material – no learning curve, no material-related delays, no trial-and-error.
Regulatory Compliance: Fire ratings (UL94 V-0) and weather resistance (UV testing – 3,000 hours without discoloration) are documented and verified.
3.5 Flash Control
Ansix Tech's 0.005mm mold fit precision on parting surfaces, combined with self-locking clamp force compensation, ensures flash controlled within 0.03mm.
Customer Value Translation: No manual flash removal – the parts come out of the mold ready for assembly. Eliminates secondary trimming labor and reduces per-part tooling cost by 40-60%.
IV. Full-Service Lifecycle Support – Reducing Customer Management Cost
4.1 Early Intervention – DFM Reports Before Commitment
Before contract signing, Ansix Tech provides a comprehensive DFM (Design for Manufacturability) report.
Deliverables:
Draft angle recommendations
Wall thickness optimization
Gate location planning
Ejector pin mark location permissions
Mold flow analysis results
Customer Value Translation: You discover whether your design can be manufactured BEFORE you invest in tooling – not after. No expensive "surprises" discovered when the mold is already cut.
4.2 Prototyping and Validation
T0 to T3 Sample Rounds: Ansix Tech provides iterative sample rounds with improvement reports at each stage. Quick-change inserts enable different design variations to be validated without rebuilding the entire mold.
Customer Value Translation: Design iterations are fast and cost-effective – you're not paying for a whole new mold every time you want to test a design refinement.
4.3 Small-Batch Validation
Before full production release, Ansix Tech provides 100-500 shot trial production with yield rate and CPK statistics to confirm process stability.
Customer Value Translation: You don't commit to million-piece production until the process is proven stable. Risk-free scale-up.
4.4 Maintenance and Spare Parts
Spare parts (ejector pins, cores) included with mold delivery
Maintenance every 200,000 shots provided
Lifetime repair at cost price
Customer Value Translation: No sourcing of spare parts from third parties, no downtime waiting for replacements, no inflated repair markups.
V. Differentiated Competitive Advantages – Direct Solutions to Common Pain Points
5.1 Addressing Common Customer Complaints
Customer Complaint Ansix Tech Solution Customer Value
"Molds need frequent repairs, disrupting orders" 2,000-shot aging test before delivery with wear report; 3-year mold structure warranty (excluding normal wear parts) Predictable mold life, no unexpected production stoppages
"Excessive flash, high post-processing costs" 0.005mm parting surface fit precision; self-locking clamp force compensation; flash ≤ 0.03mm Eliminates manual deburring – parts ready for assembly straight from the mold
"Dimensions vary batch to batch" Ultrasonic wall thickness sensors with real-time pressure compensation; in-mold temperature/pressure sensors for closed-loop control Consistent parts every batch – assembly line runs without adjustment
"Mold repair takes too long" In-house electrode machining center and EDM workshop; repairs completed without outsourcing; standard weld repair/insert replacement within 24 hours Minimal production downtime
5.2 Cost Leadership
Cost Reduction Dimension Mechanism Typical Savings
Material cost Strategic material selection guidance; broader resin specification ranges managed through precise process control 10-20% material cost reduction
Tooling investment Family molds combine multiple parts in one tool; optimized gating reduces material waste 40-60% reduction in per-part tooling cost
Energy cost All-servo electric drives Lower utility costs
Labor cost In-house mold repair eliminates outsourcing; automated processes reduce manual intervention Significant labor cost savings
Cycle time Optimized cooling design reduces cycle time Higher throughput, lower per-part cost
5.3 Quality and Compliance Assurance
ISO 13485:2016 – Medical device quality management
ISO 9001 – Quality management
IATF 16949 – Automotive quality management
ISO 14001 – Environmental management
ISO Class 8 cleanroom – For medical production
FDA and CE regulatory pathway readiness
Customer Value Translation: Your products are manufactured in a certified, audited, regulatory-compliant environment – ready for global market access without requalification.
5.4 Delivery and After-Sales Service
With four production bases across China and Vietnam and approximately 200,000 square meters of total building area, Ansix Tech offers:
Geographic diversification – supply chain resilience
Scalable capacity – from prototypes to high-volume production
24-hour response to inquiries
VI. From Concept to Commercial Production – The Ansix Tech Process
6.1 Phase 1: Design and Digital Prototyping
Everything at Ansix Tech begins before steel is cut – with a comprehensive DFM analysis. Engineers create a digital twin of the mold and the plastic flow process using Autodesk Moldflow and ANSYS simulation software.
Key Analysis Outputs:
Fill pattern prediction
Pressure requirements
Cooling time optimization
Potential defect identification (weld lines, air traps, sink marks)
Customer Value Translation: Virtual testing eliminates physical trial-and-error – faster development, lower cost, zero risk of discovering design flaws in production.
6.2 Phase 2: Strategic Material Selection
Mold steel selection is based on:
Part complexity
Required service life
Plastic material characteristics
Production volume
Customer Value Translation: Every material choice is scientifically optimized for your specific application – not over-specified (costly) and not under-specified (risky).
6.3 Phase 3: Mold Manufacturing
精密加工流程:
Five-axis high-speed machining – ±0.002mm contour accuracy
Wire EDM – 0.03mm micro-features
EDM – complex cavity geometries
Polishing – Ra < 0.05μm for optical surfaces
Assembly and fit verification – 0.005mm parting surface precision
CMM dimensional inspection – full report with CPK ≥ 1.33
6.4 Phase 4: Injection Molding Process Optimization
Optimization Dimension Method Result
Cycle time Conformal cooling, optimized gate design 60-80% of cycle time is cooling – reducing this directly lowers per-part cost
Quality Closed-loop process control, in-mold sensors Consistent dimensions, minimal scrap
Efficiency Stack molds, family molds, hot runner systems Higher output per machine hour
Material usage Optimized runner design, regrind management Lower material waste
6.5 Phase 5: Quality Control and Packaging
In-process inspection: Real-time parameter logging in MES
Final inspection: Full dimensional verification, CPK reporting
Packaging: Customized to customer requirements, ready for medical device assembly
VII. Core Value Proposition Summary
Ansix Tech transforms puncture needle and anesthesia needle mold manufacturing and metal needle overmolding with PC injection molding from a technical challenge into a strategic advantage for customers:
Customer Need Ansix Tech Capability Delivered Value
Reliability 28+ years experience, 30,000+ molds delivered, ISO 13485 certified Proven track record – no "learning on your project"
Precision ±0.002mm machining, ±0.005mm molded tolerances, CPK ≥ 1.33 Parts that fit and function perfectly – every time
Cost Strategic materials, cycle optimization, automated processes, in-house repair 40-60% lower per-part tooling cost; 10-20% material cost savings
Speed 260 machines, 4 factories, expedited mold delivery in 20 days Faster time-to-market – get your product to patients sooner
Risk Reduction DFM before tooling, small-batch validation, full traceability No "surprises" – every step is validated before commitment
Global Compliance ISO 13485, FDA-ready, CE-ready Products that meet global regulatory requirements
For Ansix Tech, the mold is not a piece of steel – it is a money-printing machine. Every mold is designed with a holistic view of injection moldability, venting paths, and thermal balance to ensure that when the mold arrives on your production line, it is ready to run – no debugging, minimal flash, maximum life.
Ansix Tech – Making Our Customers Successful Through Precision Injection Molding Excellence
Ansix Tech Co Ltd
If you have any plans related to Puncture needle and anesthesia needle mold, metal needle coated with PC injection molding , 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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