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RISSimulation of Chaotic Particle Motion in Particle-Laden Jetflow and Application to Abrasive Waterjet Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel method is presented for modeling the abrasive waterjet machining process. Particle motion on the cross section of particle-laden jetflow is simulated in order to quantify the erosion ...
Real-Time Sensing of Sag Geometry During GTA Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Seam tracking and weld penetration control are two fundamental issues in automated welding. Although the seam tracking technique has matured, the latter still remains a unique unsolved problem. ...
Real-Time Image Processing for Monitoring of Free Weld Pool Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The arc weld pool is always deformed by plasma jet. In a previous study, a novel sensing mechanism was proposed to sense the free weld pool surface. The specular reflection of pulsed laser ...
Improving Milling Performance with High Pressure Waterjet Assisted Cooling / Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During machining, due to relative motion between tool and workpiece, severe thermal/frictional conditions exist at the tool-chip interface. Metal machining processes can be more efficient in terms ...
Cutting Force Dynamics as a Tool for Surface Profile Monitoring in AWJ
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abrasive waterjet cut surface is characterized using static and dynamic characterization techniques. A novel method of auto regressive moving average model identification called model distance ...
Sensing and Control of Weld Pool Geometry for Automated GTA Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Weld pool geometry is a crucial factor in determining welding quality, especially in the case of sheet welding. Its feedback control should be a fundamental requirement for automated welding. ...
Dynamic Analysis and Identification of Gas Tungsten Arc Welding Process for Weld Penetration Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, gas tungsten arc welding is analyzed and modeled as a 2-input (welding current and arc length) 2-output (weld depression and width) multivariable process. Experiments under a ...
Dynamic Estimation of Full Penetration Using Geometry of Adjacent Weld Pools
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Control of weld penetration is currently one of the most important and crucial research issues in the area of welding. The weld pool can provide accurate and instantaneous information about ...
Monitoring of Thermal Energy Distribution in Abrasive Waterjet Cutting Using Infrared Thermography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal energy distribution in the workpiece cut with abrasive waterjet (AWJ) is analyzed using the technique of infrared thermography through isotherms and linescans. Variation in workpiece ...
Investigations in Abrasive Water Jet Erosion Based on Wear Particle Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the study, gray cast iron specimens are cut by abrasive water jets with pressures between p = 140 MPa and p = 345 MPa. Wear particles collected during cutting are analyzed based on ...