This book presents the main methods and techniques for measuring and monitoring the accuracy of geometrical parameters of precision Computer Numerically Controlled (CNC) and automated machines, including modern coordinate measuring machines (CMMs).

Table of Contents

• List of Figures
• Acknowledgment
• About the Authors
• 1 Monitoring of Processes, Systems, and Equipment
• 1.1 Introduction
• 1.2 Parameters for System Monitoring
• 1.3 Random and Regular Modes of Monitoring
• 1.4 Principles of Performance of Information Measuring Systems
• 2 Testing of Geometrical Accuracy Parameters of Machines
• 2.1 Geometrical Accuracy Parameters of Machines and Instruments
• 2.2 Accuracy Control of Geometrical Parameters
• 2.2.1 Length (Positioning) Measurement
• 2.2.2 Inversion Method in Measurements
• 2.3 Testing of Accuracy Parameters of the Rotary Table
• 3 Measurement and Monitoring of the Accuracy of Scales and Encoders
• 3.1 Standards of Measurement of Length and Angle
• 3.2 Measurement of Circular Scales
• 3.3 Applying New Methods for Measuring Circular Scales
• 3.4 Measurement of Linear Scales and Transducers
• 3.5 Comparators for Linear Measurements
• 3.6 Comparators for Angle Measurements
• 3.7 Calibration of Geodetic Instruments
• 3.7.1 Methods and Means for Vertical Angle Calibration
• 4 Control of Nano-Displacement and Position
• 4.1 Accuracy Control of the Position and Displacement of Machine Parts
• 4.1.1 The Elements of Position and Displacement
• 4.2 Measurement of Nanometric Parameters
• 4.3 Linear and Circular Piezoelectric Actuators for the Nanometric Displacement
• 5 Testing and Calibration of Coordinate Measuring Machines
• 5.1 Introduction to Principles of Operation and Application of CMMs
• 5.2 Principles of MHs and Touch Trigger Probes
• 5.3 Performance Verification of MHs and Touch Trigger Probes
• 5.4 Complex Accuracy Verification of CMMs
• 5.5 Performance Verification Using Artifacts
• 5.6 Performance Verification Using Lasers
• 5.7 Methods and Means for Accuracy Improvement of Machines
• 5.7.1 Piezomechanical Correction
• 6 Future Trends in Machine Monitoring and Performance Verification of Coordinate Measuring Machines
• 6.1 Introduction
• 6.2 The Determination of Physical Surface Coordinates Using a CCD Camera
• 6.3 Volumetric Detection of Position
• 6.4 A Proposed Telemetric CMM
• References
• Bibliography