Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 2981-3000 of 7723
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Rotary Contact Method for 5-Axis Tool Positioning
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, a new 5-axis tool positioning algorithm called the rotary contact method (RCM) for open concave surface machining using the toroidal cutter is developed. The RCM comes from the ... -
Nondestructive Testing of Ultrasonic Welding Joints Using Shearography Technique
(The American Society of Mechanical Engineers (ASME), 2012)Ultrasonic welding is a rapidly developing field. It is an industrial technique whereby high-frequency ultrasonic acoustic vibrations are locally applied to workpieces being pressed together to ... -
Experimental and Numerical Analysis of Low Output Power Laser Bending of Thin Steel Sheets
(The American Society of Mechanical Engineers (ASME), 2012)This work presents an experimental and numerical analysis of a low output power single-pass laser forming process applied to thin stainless steel sheets. To this end, the proposed methodology ... -
An Approach for Automated and Optimized Selection of Weldguns for Spot Welding in Automotive Body Shop
(The American Society of Mechanical Engineers (ASME), 2012)During process planning stage in an automotive vehicle development process (VDP), one of the tasks is to select tools such as weldguns and fixtures from large tool libraries and assign them ... -
Enhanced Laser Shock by an Active Liquid Confinement—Hydrogen Peroxide
(The American Society of Mechanical Engineers (ASME), 2012)This letter investigates a unique process to generate enhanced laser shock by applying an active liquid confinement—hydrogen peroxide (H2 O2 ). The mechanism of fast chemical etching-assisted ... -
Electrically-Assisted Forming of Magnesium AZ31: Effect of Current Magnitude and Deformation Rate on Forgeability
(The American Society of Mechanical Engineers (ASME), 2012)Currently, the automotive and aircraft industries are considering increasing the use of magnesium within their products due to its favorable strength-to-weight characteristics. However, the ... -
The Influence of Friction Stir Welding Process Idealization on Residual Stress and Distortion Predictions for Future Airframe Assembly Simulations
(The American Society of Mechanical Engineers (ASME), 2012)The ability to accurately predict residual stresses and resultant distortions is a key product from process assembly simulations. Assembly processes necessarily consider large structural components ... -
An Experimental and Numerical Investigation on Polymer Melt Injected Sheet Metal Forming
(The American Society of Mechanical Engineers (ASME), 2012)Polymer injection forming (PIF) is a recent advancement in manufacturing of plastic– metal hybrid products. It is a combination of injection molding and sheet metal forming in which the molten ... -
Femtosecond Laser-Induced Simultaneous Surface Texturing and Crystallization of a-Si:H Thin Film: Absorption and Crystallinity
(The American Society of Mechanical Engineers (ASME), 2012)Hydrogenated amorphous silicon (a-Si:H) thin films have been considered for use in solar cell applications because of their significantly reduced cost. Their overall efficiency and stability, ... -
Effect of Severe Plastic Deformation in Machining Elucidated via Rate-Strain-Microstructure Mappings
(The American Society of Mechanical Engineers (ASME), 2012)Machining induces severe plastic deformation (SPD) in the chip and on the surface to stimulate dramatic microstructural transformations which can often result in a manufactured component with a ... -
Piecewise B-Spline Tool Paths With the Arc-Length Parameter and Their Application on High Feed, Accurate CNC Milling of Free-Form Profiles
(The American Society of Mechanical Engineers (ASME), 2012)To conduct B-spline curve machining, first, B-spline tool paths with feed rates are planned; and second, the B-spline interpolator generates tool trajectories in real-time based on the paths fed ... -
Machine Tool Condition Monitoring Based on an Adaptive Gaussian Mixture Model
(The American Society of Mechanical Engineers (ASME), 2012)Indirect, online tool wear monitoring is one of the most difficult tasks in the context of industrial machining operation. The challenge is how to construct an effective model that can ... -
Estimation of Milling Tool Temperature Considering Coolant and Wear
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents a novel technique to estimate the temperature distribution of a milling tool during machining. In this study, heat generation during the machining process is estimated using ... -
Analysis and Prediction of the In-Plane Deformation in Laser Thermal Adjustment
(The American Society of Mechanical Engineers (ASME), 2012)Laser thermal adjustment as an application of laser forming in microsystems has received considerable attentions in recent years. This process is a noncontact and high precision forming method. ... -
Application of Axiomatic Design Theory to a Microfluidic Device for the Production of Uniform Water-in-Oil Microspheres Adapting an Integration Method
(The American Society of Mechanical Engineers (ASME), 2012)This work describes a novel microfluidic method to generate uniform water-in-oil (W/O) microspheres using the phase separation technique. Axiomatic design theory (ADT) was employed for the conceptual ... -
Modeling Three-Dimensional Plasma Arc in Gas Tungsten Arc Welding
(The American Society of Mechanical Engineers (ASME), 2012)This article presents a three-dimensional (3D) mathematical model for the plasma arc in gas tungsten arc welding (GTAW). The velocity, pressure, temperature, electric potential, current density, ... -
Investigation of the Effect of Moving Forklift on Data Transmission of IEEE 802.15.4 Wireless Sensor Radio
(The American Society of Mechanical Engineers (ASME), 2012)Low-cost wireless sensors embedded in machines and plant floors are essential components for intelligent monitoring and automation in automated manufacturing systems. To enable robust and confident ... -
Development of an Empirical Model to Characterize Fracture Behavior During Forming of Advanced High Strength Steels Under Bending Dominated Conditions
(The American Society of Mechanical Engineers (ASME), 2012)Higher strength advanced high-strength steels (AHSS) such as DP780 and DP980 are more susceptible to fractures at bend radii during press stampings in comparison with more ductile low carbon ... -
An Experimental Study on the Process Monitoring of Resin Transfer Molded Composite Structures Using Fiber Optic Sensors
(The American Society of Mechanical Engineers (ASME), 2012)Research conducted on in situ process monitoring of resin transfer molded composites with fiber optic sensors is presented. A laboratory scale resin transfer molding (RTM) apparatus was designed ... -
Numerical Modeling of Transport Phenomena and Dendritic Growth in Laser Spot Conduction Welding of 304 Stainless Steel
(The American Society of Mechanical Engineers (ASME), 2012)A multiscale model is developed to investigate the heat/mass transport and dendrite growth in laser spot conduction welding. A macroscale transient model of heat transport and fluid flow is ...