Reduced configuration set for the multi-step method applied to machine and probe error separation on a CMM

Nafi, Abdelhak; Mayer, Josef; Woźniak, A.

doi:10.1016/j.measurement.2011.09.025

Cited by 11 publications

(3 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Despite having this measuring range, they achieve their optimal performance only when operating with very low deflections. Moreover, these probes are primarily designed for CMM applications [3,4], resulting in a lack of specific calibration procedures out of the machine [5,6]. Furthermore, regarding their internal architecture, these probes often constrain three of their degrees of freedom while measuring the displacement on the other three.…”

Section: Introductionmentioning

confidence: 99%

Development of a Six-Degree-of-Freedom Analog 3D Tactile Probe Based on Non-Contact 2D Sensors

Albajez,

Velázquez,

Torralba

et al. 2024

Sensors

View full text Add to dashboard Cite

In this paper, a six-degree-of-freedom analog tactile probe with a new, simple, and robust mechanical design is presented. Its design is based on the use of one elastomeric ring that supports the stylus carrier and allows its movement inside a cubic measuring range of ±3 mm. The position of the probe tip is determined by three low-cost, noncontact, 2D PSD (position-sensitive detector) sensors, facilitating a wider application of this probe to different measuring systems compared to commercial ones. However, several software corrections, regarding the size and orientation of the three LED light beams, must be carried out when using these 2D sensors for this application due to the lack of additional focusing or collimating lenses and the very wide measuring range. The development process, simulation results, correction models, experimental tests, and calibration of this probe are presented. The results demonstrate high repeatability along the X-, Y-, and Z-axes (2.0 µm, 2.0 µm, and 2.1 µm, respectively) and overall accuracies of 6.7 µm, 7.0 µm, and 8.0 µm, respectively, which could be minimized by more complex correction models.

show abstract

Section: Introductionmentioning

confidence: 99%

Development of a Six-Degree-of-Freedom Analog 3D Tactile Probe Based on Non-Contact 2D Sensors

Albajez,

Velázquez,

Torralba

et al. 2024

Sensors

View full text Add to dashboard Cite

show abstract

“…Gao et al [8,9] proposed a new pretravel quantitative calibration method on the basis of analyzing the cause of the pretravel, which could improve the on-machine measurement accuracy using touch trigger probe. Nafi et al [10,11] studied an error separation method based on multistep redundancy method, in which the errors of the measurement machine tool, standard ball, probe, and probe tip producing in the measurement process are separated from calibration results by multistep measuring. Shih and Chen [12] proposed free-form flank correction in helical gear grinding using a five-axis computer numerical control gear profile grinding machine, but the errors of the actual tooth surface were assessed using the gear measurement centre, not on-machine measurement.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Model of Helical Gear Topography Measurements and Tooth Flank Errors Separation

Wang

Deng

Han

et al. 2015

Mathematical Problems in Engineering

View full text Add to dashboard Cite

During large-size gear topological modification by form grinding, the helical gear tooth surface geometrical shape will be complex and it is difficult for the traditional scanning measurement to characterize the whole tooth surface. Therefore, in order to characterize the actual tooth surfaces, an on-machine topography measurement approach is proposed for topological modification helical gears on the five-axis CNC gear form grinding machine that can measure the modified gear tooth deviations on the machine immediately after grinding. Combined with gear form grinding kinematics principles, the mathematical model of topography measurements is established based on the polar coordinate method. The mathematical models include calculating trajectory of the centre of measuring probe, defining gear flanks by grid of points, and solving coordinate values of topology measurement. Finally, a numerical example of on-machine topography measurement is presented. By establishing the topography diagram and the contour map of tooth error, the tooth surface modification amount and the tooth flank errors are separated, respectively. Research results can serve as foundation for topological modification and tooth surface errors closed-loop feedback correction.

show abstract

“…Wozniak et al [23–26] calculate the probe error using a high resolution transducer and a rotary table that simulated the CMM measurement. Nafi et al [29] proposed a procedure to obtain probe errors by measuring a calibration sphere. Pereira et al [30] improved the dynamic error of scanning probes by modelling the structure of the probe and measuring its error with a transducer on the part.…”

Section: Introductionmentioning

confidence: 99%

Application of a Force Sensor to Improve the Reliability of Measurement with Articulated Arm Coordinate Measuring Machines

González-Madruga

Cuesta

Barreiro

et al. 2013

Sensors

View full text Add to dashboard Cite

A study of the operator contact force influence on the performance of Articulated Arm Coordinate Measuring Machines (AACMMs) is presented in this paper. After developing a sensor capable of measuring the contact force applied by an operator, a ring gauge has been used to analyse the relationship between the contact force and diameter and form errors measured with the AACMM. As a result, contact force has been proved as one of the main factors influencing the AACMM performance. A probe deflection model based on the Finite Element Method (FEM) has been also proposed in order to obtain the AACMM probe deflection caused by contact force. This allows measurement correction by comparing them with reference values, specifically, a ring gauge. Experimental test results show a significant measurement improvement that minimizes diameter error. Finally, an uncertainty evaluation for the contact force sensor and AACMM measurements with and without probe deflection model has been carried out in order to validate the ability of the sensor and the methodology followed.

show abstract

Reduced configuration set for the multi-step method applied to machine and probe error separation on a CMM

Cited by 11 publications

References 16 publications

Development of a Six-Degree-of-Freedom Analog 3D Tactile Probe Based on Non-Contact 2D Sensors

Development of a Six-Degree-of-Freedom Analog 3D Tactile Probe Based on Non-Contact 2D Sensors

Mathematical Model of Helical Gear Topography Measurements and Tooth Flank Errors Separation

Application of a Force Sensor to Improve the Reliability of Measurement with Articulated Arm Coordinate Measuring Machines

Contact Info

Product

Resources

About