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For Reproducible Measurement Accuracy Below 1 µm
Hexagon Manufacturing Intelligence: A Wide Range of Solutions for Ultra-High-Accuracy Measuring Systems
Project Overview
Customer
Hexagon Manufacturing Intelligence
Industry
Metrology & Precision Equipment
Application
Products Used
Key Facts
- Reproducible measurement results in the micrometre range
- Level reset accuracy of up to ±0.01 mm
Background
Hexagon Manufacturing Intelligence is a leading provider of advanced automation and precision measurement solutions.
The company develops and manufactures ultra-high-precision coordinate measuring machines that are used across a wide range of industries, including:
- Automotive
- Aerospace
- Mechanical engineering
- Plant engineering
- Medical technology
- Renewable energy
Coordinate measuring machines are widely used for product quality assurance in accordance with DIN ISO 9001 and for highly accurate dimensional measurement of complex and specialised geometries.
The Challenge
Hexagon is one of Bilz’s long-standing OEM customers and relies on Bilz expertise for the vibration isolation and technical decoupling of highly accurate measuring equipment such as the Leitz PMM-F and Leitz Infinity.
For manufacturers of coordinate measuring machines, modern quality assurance requires measurement results to be reproducible directly within the manufacturing environment.
These results must be available:
- At the required time
- With maximum reliability
- At any installation location
- Directly within the production environment
Highly accurate tactile and optical measuring systems must be protected from structural movements, particularly those caused by ground vibrations.
This is essential for achieving measurement accuracy at levels below 1 µm.
For comparison, a human hair has a diameter of approximately 60 µm.
Therefore, effective decoupling of sensitive measuring equipment from surrounding ground vibrations is extremely important for maintaining high measurement accuracy and repeatability.
Leitz Infinity 3D Coordinate Measuring Machine
The Leitz Infinity is one of the most accurate 3D coordinate measuring machines in its class.
It combines tactile and optical sensors with active pneumatic damping to achieve exceptionally high measurement precision.
The machine features:
- A closed-frame design
- A massive granite foundation bed
- A fixed gantry
- Cast-iron support structures
- A granite crossbeam
This highly rigid machine design enables measurement accuracy in the sub-micrometre range.
As a result, the Leitz Infinity has become a proven solution for:
- Renowned measurement institutes
- Government metrology organisations
- Calibration laboratories
- Industrial manufacturing companies
The Solution
Bilz Vibration Technology AG offers a broad range of vibration isolation solutions for coordinate measuring machines.
These solutions have been successfully used at Hexagon for more than 30 years.
The main solutions include:
- BiAir® Membrane Air Spring IsolatorDesigned for highly effective vibration isolation.
- EPPC™ Electro-Pneumatic Level ControlSuitable for highly dynamic and vibration-sensitive machines.
- AIS™ Active Vibration Isolation SystemDesigned for the highest requirements in vibration isolation efficiency, settling time and level stability.
Bilz level control systems automatically adapt to changing workpiece weights and process dynamics.
They offer highly precise level reset accuracy of up to ±0.01 mm.
This level of control also enables accurate loading and unloading using fully automated robotic systems.
Customer Statement
“Bilz vibration isolation systems are an important foundation for ensuring the reproducibility of our highly accurate coordinate measuring machines.”
Dr.-Ing. Felix BalzerHead of Research and Development, Hexagon MI, Wetzlar
How EPPC™ Level Control Works
The EPPC™ electro-pneumatic level control system continuously monitors and adjusts the machine level.
When the load changes, the system automatically compensates by controlling the air pressure within the vibration isolation system.
This allows the machine to return precisely to the defined operating level while maintaining excellent vibration isolation performance.
Our Services – Everything from a Single Source
Bilz provides complete support throughout the entire project lifecycle, including:
- On-site consultation
- Planning and engineering
- System design
- Manufacturing
- Installation and commissioning
- After-sales support
This complete approach helps ensure reliable vibration isolation, consistent machine levelling and reproducible measurement accuracy for highly sensitive coordinate measuring systems.
Results / Highlight
Reproducible measurement results from coordinate measuring machines can be achieved directly within the manufacturing environment, with consistent accuracy regardless of location.
Looking for a similar solution?
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