Laser Metrology and Machine Performance: Proceedings of the 4th International Conference on Laser Metrology and Machine Performance 4th

Section 1 - Calibration Systems: Methods for calibration and testing of flexible arm measuring devices; Experimental design in determining the parametric errors of CMMs; Characterisation of 3-d Cartesian co-ordinate laser interferometer tracking system; Practical calibration of tracking laser systems. Section 2 - Condition Monitoring: Maintenance planning for condition monitoring in a high-speed machining shop; Monitoring single point diamond turning through acoustic emission; Condition monitoring of ball bearings by vibration signature with joint time-frequency analysis. Section 3 - Machine Tool Standards: An update on BSI and ISO machine tool accuracy standards; Development of CNC machine performance standards. Section 4 - Thermal Errors of Machine Tools: An identification and study of mechanisms causing thermal errors in CNC machine tools; Accuracy improvement for three axis CNC machining centres by geometric, load and thermal error compensation; Innovative thermal error correction of a vertical machining centre spindle head; Machines for high explosive component manufacture - how to specify; An experimental and mathematical formulation for machine tool thermal error. Keynote Speech - High speed and high productive drilling by intelligent machine tools. Section 5 - Hexapod Calibration: Measuring the geometric errors of a hexapod machine tool; Accuracy of Stewart platform-based machine tools' Section 6 - Gear Measurement: Dynamics of lightly loaded machine tool gear drives; International gear metrology round robin; Isolating and quantifying tooth deformation in worm gear systems operating under a torque load; A novel approach to the inspection of gears with a co ordinate measuring machine - theoretical aspects; CNC gear inspection technology and new software solutions adapted to individual industry needs. Section 7 - Surface Measurement: Developments in 3D surface metrology; Surface measurement fidelity; Surface reconstruction from discrete data obtained by a 3D surface measurement system; The variability of three-dimensional amplitude roughness parameters for electron-beam and electro-discharged textured surfaces; Review of optical techniques for three-dimensional surface measurement; 3-D measurement and visual characterisation of cylinder liner bore polishing. Section 8 - Machine Tool Errors: Machine tool error identification and compensation advice system; A new approach to the modelling and simulation of a CNC machine tool axis drive; An investigation into the relative accuracy of ball-screws and linear encoders over a broad range of application configurations and usage conditions; A deeper investigation into the thermal drift of a linear axis; Position measurement in CNC machines: rotary encoder versus linear transducer, how to cope with the thermal problem; A practical system for 5-axis volumetric compensation; Correlation of machine tool and CMM accuracy and precision; A novel use of artefacts in non-Cartesian machine calibration; Methods for performance evaluation of motion control systems. Section 9 - Machine Tool Measurement Systems: An advanced 6-degree-of-freedom laser system for quick CNC machine and CMM error mapping and compensation; Multi degree of freedom measurement of machine tool movements; UNITEST - A new device for the static and dynamic testing of unconventional machine structures. Section 10 - Machine Tool Performance: High-speed machining (HSM) using circular interpolation of free-cutting steels; The importance of being repeatable; Calibration and rationalisation of a manufacturing facility; An indirect method to verify and enhance machine tool accuracy.