A5102847358- Advanced machining processes and optimization
- Manufacturing Process and Optimization
- Advanced Surface Polishing Techniques
- Advanced Measurement and Metrology Techniques
- Advanced Machining and Optimization Techniques
- Iterative Learning Control Systems
- Advanced Numerical Analysis Techniques
- Engineering Technology and Methodologies
- Additive Manufacturing and 3D Printing Technologies
- Additive Manufacturing Materials and Processes
- Laser Material Processing Techniques
- Optical measurement and interference techniques
- Metal and Thin Film Mechanics
- Surface Roughness and Optical Measurements
- Sensor Technology and Measurement Systems
- Advanced ceramic materials synthesis
- 3D Surveying and Cultural Heritage
- Advanced materials and composites
- Industrial Vision Systems and Defect Detection
- Advanced MEMS and NEMS Technologies
- Welding Techniques and Residual Stresses
- Injection Molding Process and Properties
- Robotics and Sensor-Based Localization
- Aluminum Alloys Composites Properties
- Advanced Fiber Optic Sensors
University of California, Davis
2013-2023
University of California System
1998-2023
University of California, Berkeley
2012-2022
Hearst (United States)
2021
Keio University
2020
Hitachi (Japan)
1996-1998
Toyohashi University of Technology
1987-1990
Oki Electric Industry (Japan)
1990
Campo Arqueologico de Mertola
1989
Many researches have studied the micro tools either by simulations or experiments showing that play very important roles in micro/nano machining, and tool geometries a direct impact on final machining quality. Commercially available milling are usually simply made from downsizing of macro tools, which may not be able to accurately fabricated. Custom been created some researchers, but no design criteria for introduced. The above factors constrain development effective consequently milling....
A method to simultaneously synthesize and consolidate MoSi 2 from powders of Mo Si was investigated. Combustion synthesis carried out under the combined effect an electric field mechanical pressure. Highly dense molybdenum silicide up (99.2%) produced elemental in one step. Minor amounts 5 3 were present at boundaries grains interior samples made stoichiometric reactants. The addition 2.5 mol% excess, however, resulted ‐free, products.
Micro end mills play a key role in micro/nano milling applications for intricate three-dimensional die/molds or sensors micro-electro-mechanical systems (MEMS). In order to achieve higher machining accuracy and longer tool life, micro are usually made of ultra-hard materials such as polycrystalline diamond (PCD) cubic boron nitride (CBN). One the best choices their fabrication is wire electrical discharge (WEDM) method. There two basic categories mills, namely ball mill 3D freeform surface...
We present the development of millimeter scale 3D hemispherical shell resonators fabricated from polycrystalline diamond, a material with low thermoelastic damping and very high stiffness. These wineglass 1.1 mm diameter are through combination micro-electro discharge machining (EDM) silicon micromachining techniques. Using piezoelectric electrostatic excitation optical vibration measurement, elliptical mode is determined to be at 18.321 kHz, two degenerate modes having relative frequency...
The hemispherical resonator gyro (HRG) is low loss and high stability, spurring recent interest in micro-scale resonators. To achieve mode-matching high-Q performance a resonator, geometric symmetry combination with thermoelastic damping structural material are critical. In this work, we describe the development of millimeter scale 3D shell resonators fabricated from polycrystalline diamond, very stiffness. relation between fourth harmonic (4θ) Fourier analysis resonator's radius r(θ)...
Thermal error compensation is one of the most research-oriented topics in manufacturing with rising importance industry.This paper presents an innovative Industry 4.0 application thermal for precision engineering.A federated learning-based approach running cloud applied to two machine tools, located at ETH Zürich, and another TU Wien.Although environmental conditions behaviour both machines differ, implemented knowledge transfer across a viable strategy, albeit limited precision.A detailed...
Finish milling with a ball end mill is key process in manufacturing high-precision and complex workpieces, such as dies molds. Because of the complexity process, it difficult to evaluate microcharacteristics machined surfaces real time, which necessitates simulation process. In this area, existing related researches mainly focus on scallop height evaluation, but few have presented whole picture milled surfaces. This paper develops comprehensive system based Z-map model for predicting surface...