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The Impact of Probe Angle and Swivel Length on Contact Point Identification in Coordinate Measuring Machine
Tomasz Mazur1, Tomasz Szymanski2, Waldemar Samociuk3
1Faculty of Mechanical Engineering, Casimir Pulaski Radom University, ul. Stasieckiego 54, 26-600 Radom, Poland.
Sensors (Basel, Switzerland)
|April 12, 2025
Summary
Investigating coordinate measurement accuracy for Industry 4.0, this study found probe head angle significantly impacts contact point identification. Angles up to 15° caused negligible errors, but 90° introduced up to 10 μm errors, affecting calculations.
Area of Science:
- Metrology and Manufacturing Engineering
- Coordinate Measurement Technology
- Industry 4.0 Applications
Background:
- Accurate contact point identification is vital for precision in coordinate measurement systems.
- Industry 4.0 emphasizes data integrity and process control, making measurement accuracy paramount.
- Understanding probe head dynamics is essential for reliable metrology.
Purpose of the Study:
- To investigate the impact of probe declination angle and swivel length on contact point identification accuracy.
- To quantify errors introduced by varying probe head angles during coordinate measurements.
- To assess the implications of these errors on subsequent calculations and measurement results.
Main Methods:
- Experimental analysis of contact point deviations from (0,0,0) coordinates.
- Systematic variation of probe head rotational angles (stylus declination).
- Comparison of measurement errors against Coordinate Measuring Machine (CMM) accuracy.
Main Results:
- Vertical stylus positioning (0°) may introduce minor errors.
- Angles up to 15° resulted in negligible additional errors.
- Angles up to 90° introduced significant errors, reaching up to 10 μm.
Conclusions:
- Probe head angle critically influences contact point identification accuracy.
- High declination angles (approaching 90°) lead to substantial measurement errors.
- These errors can affect best-fit element calculations and overall measurement reliability in advanced manufacturing.
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