Customer Requirements
What the customer needed
The customer is a global medical device manufacturer producing:SyringesInfusion componentsDiagnostic housingsDisposable medical devicesAnnual production:
Case Study
Mold & Die Case Study 11 / 15Medical Mold Machining Case Study
Medical molds are used to manufacture plastic components for healthcare and life-saving devices.
medical mold machining case studymold die cnc machiningcnc machine for mold manufacturing
Project Overview
Standard case data fields.
Industry Medical / Precision Mold & Die
Product Medical Injection Mold
Material S136 / NAK80 / 1.2083 / H13 (medical grade)
Process CNC Milling + EDM + Ultra-Precision Polishing + Clean Assembly
Machine Model HYR VMC850 / VMC1060
Tolerance +/-0.002-0.005 mm
Surface Finish Ra0.1-0.4 (Medical Grade)
Application Syringes / Diagnostic Devices / Surgical Components
Challenges
Machining difficulty
Medical molds combine:Ultra-Precision Machining+Regulatory Compliance+Surface Sterility Requirements+Zero-Defect ManufacturingBecause it directly affects medical safety and product reliability.
HYR CNC Solution
Machine configuration
Machine: HYR VMC or gantry CNC system selected according to mold size, steel hardness and accuracy target
Process: Rough machining, stress relief, semi-finishing, EDM support, polishing preparation and inspection
Accuracy Control: Thermal stability, fixture rigidity, finishing allowance control and CMM inspection
Cost Method: Published with existing website assets first to keep implementation cost low
Machining Process
Timeline from raw material to inspection.
01 Material preparation
02 Rough machining
03 Stress relief
04 Finish machining
05 Inspection
Full Case Article
Machining background, difficulty and solution logic.
Quick Facts
Item
Details
Industry Medical / Precision Mold & Die Product Medical Injection Mold Materials S136 / NAK80 / 1.2083 / H13 (medical grade) Process CNC Milling + EDM + Ultra-Precision Polishing + Clean Assembly Machine HYR VMC850 / VMC1060 Tolerance +/-0.002-0.005 mm Surface Finish Ra0.1-0.4 (Medical Grade) Standards ISO 13485 / GMP Compliance Application Syringes / Diagnostic Devices / Surgical Components
Introduction
Medical molds are used to manufacture plastic components for healthcare and life-saving devices.
Unlike industrial molds, medical molds require: Zero contamination risk Ultra-high surface quality Strict dimensional control Full process traceability In medical manufacturing: Mold QualityMedical Product SafetyPatient Safety
What Is A Medical Mold?
A medical mold is a precision injection mold designed for producing medical-grade plastic components under strict regulatory standards.
Typical structure: Mold BaseMedical CoreMedical CavityHot Runner SystemPrecision Ejection System During production: Medical Resin InjectionControlled CoolingSterile Component FormationMedical Product Output
Customer Background
The customer is a global medical device manufacturer producing: Syringes Infusion components Diagnostic housings Disposable medical devices Annual production: 500M+ medical plastic components per year Key requirements: ISO 13485 compliance Ultra-clean machining environment High transparency surface quality Zero burr tolerance Batch consistency
Why Medical Mold Machining Is Extremely Demanding
Ultra-Precision Machining+Regulatory Compliance+Surface Sterility Requirements+Zero-Defect Manufacturing
Medical molds combine:
Challenge 1
Ultra-High Surface Finish Requirement Medical parts require: Ra0.1 - Ra0.4 Any defect may cause: Micro-bacteria accumulation Flow instability Product rejection
Challenge 2
Zero Burr Requirement Even microscopic burrs are unacceptable: Injection needle components Fluid channels Connector fittings Result: Zero-Tolerance Manufacturing
Challenge 3
Material Biocompatibility Common materials: Medical-grade polymers (PP / PE / PC / ABS) Mold materials must support: Chemical stability Corrosion resistance Clean processing
Challenge 4
Regulatory Traceability Every mold must support: Material traceability Process documentation Quality records
Syringe Mold Core
Function: Inner Channel Formation
Diagnostic Housing Cavity
Function: External Shell Formation
Micro Flow Channel Insert
Function: Fluid Control Structures
Precision Ejection System
Function: Gentle Part Removal Without Damage
S136 Stainless Steel
Advantages: Corrosion ResistanceMirror Polish CapabilityMedical Compatibility
NAK80
Advantages: High Polish PerformanceStable Structure
1.2083 Steel
Advantages: High Corrosion ResistanceLong Mold Life
H13 (Medical Grade)
Advantages: Thermal StabilityMechanical Strength
HYR VMC850
Best for: Micro medical components Precision electrodes Small cavities
HYR VMC1060
Best for: Medical housings Medium complexity molds
Step 1
Material Preparation Medical-grade stainless steel Pre-cleaned blanks
Step 2
Rough Machining Remove: 60-80% Material
Step 3
Stress Relief Treatment Reduce: Internal stress Deformation risk
Step 4
Ultra-Precision CNC Machining Requirement: +/-0.002-0.005 mm
Step 5
EDM Micro Machining Used for: Micro channels Sharp internal geometries
Step 6
Medical Grade Polishing Achieve: Ra0.1 - Mirror Finish
Step 7
Clean Assembly Dust-free environment Oil-free handling Controlled assembly
CMM Inspection
Ensures: Dimensional accuracy Geometry consistency
Surface Roughness Testing
Ensures: Medical-grade finish
Cleanliness Inspection
Ensures: No contamination No residue particles
Functional Testing
Ensures: Flow stability Injection performance
Results
Item
After HYR CNC optimization: Before After Accuracy +/-0.01 mm +/-0.003 mm Surface Quality Ra0.8 Ra0.1-0.4 Defect Rate 2.0% 0.1% Compliance Rate Medium ISO 13485 Ready Production Stability Standard High Precision Level
Industrial Impact
This is the highest trust-level manufacturing segment.
Medical molds directly impact: Patient safety Diagnostic accuracy Pharmaceutical packaging Medical device reliability
HYR VMC850
Micro medical parts
HYR VMC1060
Medical housing molds
Related Articles
Injection Mold Machining Case Study Mold Core Machining Case Study Mold Cavity Machining Case Study Hot Runner Mold Case Study Optical Mold Machining Case Study
What is a medical mold?
A high-precision mold used for producing medical-grade plastic components.
Why is it important?
Because it directly affects medical safety and product reliability.
What materials are used?
S136, NAK80, 1.2083, H13.
What is the main challenge?
Achieving ultra-clean, ultra-precise, zero-defect manufacturing.
Conclusion
Medical molds represent the highest standard of precision manufacturing.
They require extreme accuracy, strict cleanliness, and full regulatory compliance.
With ultra-precision CNC machining and controlled manufacturing processes, HYR CNC provides reliable medical mold solutions for global healthcare industries.
Results
Before and after machining improvement.
| Item | Before | After |
|---|---|---|
| Result 1 | Before optimization | After HYR CNC optimization: |
| Result 2 | Before optimization | Accuracy |
| Result 3 | Before optimization | +/-0.01 mm |
FAQ
Common buyer questions for this case.
What is this mold case about?
This page covers medical injection mold requirements, machining difficulty, process planning and machine selection.
Which machines are recommended?
HYR VMC850, VMC1060, VMC1165 and gantry CNC systems are selected according to mold size and machining difficulty.
Can HYR-CNC support similar mold projects?
Yes. Send drawings, mold steel, tolerance, surface finish and mold size for a suitable machining proposal.
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