Laser Metrology and Machine Performance

Section 1: Machine Tool Machining Performance Energy and temperature analysis in grinding; Milling machine tool stability and performance; Ultra-high speed turning on a vertical machining centre of aerospace aluminium alloys; Investigation of the cutting force coefficients in ball-end milling; Difficulties in characterising roll surfaces; High-precision automated polishing of engineering components Section 2: Metrology Applications Metrology for parallel kinematic machine tools (PKM); UNISQUARE, a new device to measure the geometric errors of parallel kinematics; Behaviour and accuracy specification - study on an LED-CMOS camera 3D measuring system; Surface analysis techniques to optimise the performance of CNC machine tools Section 3: CMM Inspection and Volumetric Performance Inspection of large CMMs by sequential multi-lateration using a single laser tracker; Investigating the volumetric performance of multi-axis measurement arms; Volumetric positioning accuracy of a vertical machining center equipped with linear motor drives (evaluated by the laser vector method) Section 4: Tool Path Generation, Algorithms and Drives Curve fitting with arc splines for NC toolpath generation; Identification of modal parameters affecting the dynamic performance of CNC machine tools; Modelling and simulation of the turning process; A servo parameter tuning method for high-speed NC machine tools based on contouring error measurement; Modelling and simulation of a feed drive using the transmission line modelling technique; Section 5: CMM Application The development of sensors for CMMs; Inspection of curvic couplings using a CMM; Fixture evaluation based on CMM Section 6: CMM Analysis and Algorithm Development Analysis of linear and angular errors of a small coordinate measuring machine (SCMM); Mating algorithms based on co-ordinate measurements and conclusions to geometrical dimensioning and tolerancing; Correctness of free form surface fitting algorithms; Form evaluation algorithms in coordinate metrology Section 7: Machine Tool, Elements and Sensors Machine tools for future-oriented production; Investigating power quality solutions for computer numerical control machine tools; Design optimisation of the head of a high-precision optical polishing machine Section 8: Gears, Transmissions and Sensors Modelling the dynamic behaviour of a ball-screw system taking into account the changing position of the ball-screw nut; Measuring and modelling heat transfer and thermal errors on a ballscrew feed drive system; Design of flat pad aerostatic bearings with the aid of finite element analysis; Worm gear meshing stiffness calculations based on experiments; Flaw detection and quantification for ferromagnetic steels using pulsed eddy current techniques and magnetization; A review of the fundamentals of the finite element simulation of metal cutting Section 9: Machine Tool Performance Machine tool performance: past and present research contributions from the Centre for Precision Technologies; Evaluating the structural dynamics of a vertical milling machine; Finite element analysis of the structural dynamics of a vertical milling machine; Active vibration control of machine tool structures - Part 1: DSP algorithms; Active vibration control of machine tool structures - Part 2: An experimental active-vibration control system Section 10: Machine Tool Measurement and Calibration A theoretical analysis of 4 body diagonal displacement measurement and sequential step diagonal measurement; Practical experience of thermal testing with reference to ISO 230 Part 3; Evaluation of numerically controlled machine tool positioning accuracy; Identification method for scale, pitch and yaw deviations with linear measurements; Method for establishing machine tool performance specifications from part tolerance requirements; Six-degree-of-freedom measurement of machine tool thermal deviations caused by linear axis motion; Methodology and simulation of the calibration of a five-axis machine tool link geometry and motion errors using polynomial modelling and a telescoping magnetic ball-bar Section 11: Condition Monitoring and Instrumentation Development of VI-based predictive maintenance system; Opportunities, problems and solutions when instrumenting a machine tool for monitoring of cutting forces and vibrations; A general data logger for the measurement of the dynamics and the parameter estimation of machine tools; From manual grinding to CNC automation - a major step forward for the rod mill.