Analysis of the Core Technical Advantages of Fixed Bridge Structures CMM

1. Stable mechanical structure design

• All granite base: The worktable, X-axis crossbeam and Z-axis are all made of high-quality granite material. Due to the extremely low thermal expansion coefficient of granite and the consistent thermodynamic performance of each axis, it can effectively eliminate the influence of temperature changes on accuracy and ensure the stability of the instrument during long-term operation.
• "Enclosed frame" and mobile worktable: The adoption of an "enclosed frame" design in conjunction with a mobile worktable results in a structure with strong rigidity, effectively reducing inertial deformation caused by movement and ensuring high dynamic accuracy.
• Dovetail type guide rail system: The Y-axis adopts a unique dovetail type guide rail system, eliminating friction and wear during the movement process. This further enhances the rigidity and stability of the guide rail.

2. Precise motion and transmission control

To ensure high precision at the measurement level, the Earth series has undergone in-depth optimization in its transmission design.

• Precision Transmission System: The X and Y axes use servo motors in conjunction with precise transmission to ensure precise positioning under high acceleration. Additionally, the multi-ribbed belt transmission design guarantees the rigidity and smoothness of the transmission.)
• Air bearing and central drive: Utilizing pre-loaded air bearings and central drive technology, the worktable achieves frictionless movement, minimizing motion deviations and torque effects to the greatest extent.
• High-resolution grating: The entire series is equipped with a high-resolution grating system, providing precise position feedback for measurement.

3. Authoritative certified algorithms and Software

• FatoInspect software: Equipped with the self-developed FatoInspect measurement software, its core fitting algorithms (least squares method and minimum area method) have all been certified by the German Federal Institute for Physical and Technical Research (PTB), ensuring the accuracy and reliability of data processing.
• Multi-standard support: The software supports evaluation in accordance with ISO international standards and ASME North American standards, is compatible with the I++ protocol, and possesses strong capabilities in geometric measurement and form and position tolerance analysis.

4. Security Design

Z-axis fall prevention protection: Equipped with an air pressure detection safety device, which can monitor the air pressure status in real time and prevent the Z-axis from accidentally falling due to air supply interruption, thereby effectively protecting the expensive Probe and base system.

Precision measurement is not just about purchasing a three-coordinate measuring machine; it is a complete system solution ranging from the macroscopic to the microscopic level.

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