Precision in Every Dimension: Ensuring Accuracy with Coordinate Measuring Machines (CMM)
CMM: Dimensional Accuracy Assurance
Modern manufacturing demands micron-level precision across aerospace, automotive, and medical components. Coordinate Measuring Machines (CMMs) bridge design intent and production reality through rigorous dimensional verification.
Neway’s Hexagon Global S CMM systems achieve 1.2 µm accuracy for aluminum die castings, CNC-machined prototypes, and complex assemblies, ensuring compliance with ISO 10360-2 and ASME Y14.5 standards.
CMM Technology & Capabilities
System Specifications
Measurement Volume: 2000×3000×1500 mm (XYZ)
Probe System: Renishaw PH20 motorized head (5-axis)
Accuracy: 1.2 µm + L/350 µm (ISO 10360-2)
Software: PC-DMIS 2023 with GD&T module
Measurement Workflow
Program Creation
Import CAD models (STEP/IGES)
Define datum structure per ASME Y14.5-2018
Automated Scanning
500 pts/sec with VAST XT gold scanning probe
Analysis & Reporting
Generate color-mapped deviation reports
Export PDF/Excel formats (QMS integration)
Industry Applications
1. Automotive Body-in-White
Challenge: Verify 0.25 mm gap/flush on EV battery enclosures
Solution:
3D laser scanning combined with touch probing
Achieved 98% PPAP compliance rate for EV components
2. Aerospace Tooling
Component: Composite layup molds (8m wingspan)
Process:
24-hour thermal compensation (20±0.1°C)
Certified tooling accuracy <15 µm per AS9100 requirements
3. Medical Implants
Validation:
Measure Ti-6Al-4V spinal cages (ISO 5832-3)
Ensure <5 µm form error on articulating surfaces
CMM vs Alternative Metrology
Parameter | Bridge CMM | Portable ARM | Optical Scanner |
|---|---|---|---|
Accuracy | 1.2 µm | 25 µm | 15 µm |
Speed | 15-30 mins/part | 5-10 mins/part | 2-5 mins/part |
Environment | Temperature-controlled | Workshop-friendly | Light-sensitive |
Ideal Use | Lab-grade inspection | On-site measurements | Reverse engineering |
Case Study: Reduced Zamak 5 connector inspection time by 40% versus manual gauging.
Smart Quality Integration
1. Automated Fixturing
Magnetic clamp system for CNC-machined bases
15-minute changeover between parts
2. Statistical Process Control
Real-time Cp/Cpk monitoring for high-volume production
Automatic machine compensation when deviations >3σ
3. Digital Twin Alignment
Match CMM data with FEA simulations
Achieved 92% correlation in aerospace bracket validation
ROI Metrics (2023)
Automotive: 32% reduction in rework costs ($780K saved)
Medical: 100% FDA audit success for 50K+ implants
Consumer Electronics: 0.8 µm average flatness on aluminum enclosures
Future-Ready Metrology
AI-Powered Anomaly Detection
Neural networks identify measurement outliers with 99% confidence
Blockchain Data Security
Encrypted measurement logs for medical device traceability
Conclusion
Neway’s CMM solutions transform quality assurance from prototyping to serial production, delivering ISO 17025-certified dimensional accuracy for mission-critical components.
FAQs
What’s the maximum part weight your CMMs handle?
How often are CMMs recalibrated to ISO standards?
Can CMMs measure flexible rubber components?
What CAD formats are supported for programming?
Do you provide on-site CMM training?
