Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 3661-3680 of 7723
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A Singular Value Decomposition Approach to Similarity Evaluation Between Servo Loops of CNC Machine Tools
(The American Society of Mechanical Engineers (ASME), 2008)In most cases, the servo loops of computer numerically controlled (CNC) machine tools consist of position controllers, drivers, power transmissions, and tables. In the process of diagnosis, ... -
Analytical Modeling of Metal Transfer for GMAW in the Globular Mode
(The American Society of Mechanical Engineers (ASME), 2008)A lumped parameter dynamical model is developed to describe the metal transfer for gas metal arc welding in the globular mode. The oscillations of molten drop are modeled using a mass-spring-damper ... -
Development of Metal Embedded Microsensors by Diffusion Bonding and Testing in Milling Process
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a new method to embed microthin film sensors into metallic structures by diffusion bonding. The experiments were carried out using AISI 304 stainless steel substrates with ... -
Workpiece Positioning Analyses: The Exact Solutions and a Quadratic Variation Approximation Using the Method of Moments
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents algorithms for workpiece positioning analysis under locating errors. Workpiece constraint equations are first constructed using the method of homogenous coordinate transformation. ... -
Design and Implementation of Nonlinear Force Controllers for Friction Stir Welding Processes
(The American Society of Mechanical Engineers (ASME), 2008)In friction stir welding (FSW) processes, force control can be used to achieve good welding quality. This paper presents the systematic design and implementation of FSW force controllers. The ... -
Numerical Analysis on the Feasibility of Laser Microwelding of Metals by Femtosecond Laser Pulses Using ABAQUS
(The American Society of Mechanical Engineers (ASME), 2008)Ultrafast lasers of subpicosecond pulse duration have the potential for laser microwelding of micronscale fusion zone. Due to the extremely short pulse duration, laser-metal interaction involving ... -
Dynamic Simulations of Alumina Membrane Fouling From Recycling of Semisynthetic Metalworking Fluids
(The American Society of Mechanical Engineers (ASME), 2008)The recycling of semisynthetic metalworking fluids (MWFs) using alumina membranes is significantly impacted by aggregated MWF microemulsions that cause partial and complete blocking of membrane ... -
Study on Site-Selective Growth of Carbon Nanotubes and Diamond Films With Barrier Layers
(The American Society of Mechanical Engineers (ASME), 2008)Microwave plasma jet chemical vapor deposition is used to grow array types of carbon nanotubes and diamond films on silicon substrates. In this study, we report a patterned growth of carbon ... -
Prediction of Form Errors in Rings of Nonuniform Cross Section Due to Workholding and Machining Loads
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a method for the prediction of final peak-to-valley (PTV) surface profile variation for face turning of rings of nonuniform cross section. An analytical method relates initial ... -
Process Yield Improvement Through Optimum Design of Fixture Layouts in 3D Multistation Assembly Systems
(The American Society of Mechanical Engineers (ASME), 2008)Fixtures control the positions and orientations of parts in an assembly process. Inaccuracies of fixture locators or nonoptimal fixture layouts can result in the deviation of a workpiece from ... -
Mist-Abrasion Machining of Brittle Material and Its Application in Corrective Figuring of Optical Parts
(The American Society of Mechanical Engineers (ASME), 2008)Polished surfaces are usually used for corrective figuring in ultraprecision machining, but in this research, corrective figuring of a rough quartz sample has been preformed before the polishing ... -
Near-Net-Shape Manufacturing of Short Fiber Composite Parts via Discrete Depositions
(The American Society of Mechanical Engineers (ASME), 2008)A novel approach for the near-net-shape manufacturing of short fiber reinforced composite parts through robotic deposition of chopped fibers is presented. A device for the deposition of discrete ... -
Active Stressing and the Micromanipulation of Stress-States for Delaying Fracture During Unsupported Laser Cutting
(The American Society of Mechanical Engineers (ASME), 2008)During a variety of high-speed cutting operations that can include both laser and traditional saw methods, full workpiece support is not always practical or even possible. As a result, costly ... -
Robust Machine Tool Thermal Error Modeling Through Thermal Mode Concept
(The American Society of Mechanical Engineers (ASME), 2008)Thermal errors are among the most significant contributors to machine tool errors. Successful reduction in thermal errors has been realized through thermal error compensation techniques in the ... -
Formability Analysis of Magnesium Alloy Sheets at Elevated Temperatures With Experimental and Numerical Method
(The American Society of Mechanical Engineers (ASME), 2008)This paper describes a study in which thermomechanical properties of wrought magnesium were thoroughly investigated. The formability of the magnesium based alloy sheet at the elevated temperatures ... -
An Experimental Study on Nonisothermal Deep Drawing Process Using Aluminum and Magnesium Alloys
(The American Society of Mechanical Engineers (ASME), 2008)Weight reduction is one of the major goals in the automotive, appliance, and electronics industries. One way of achieving this goal is to use lightweight alloys such as aluminum and magnesium ... -
Dynamic Stability of a Vibrating Hammer
(The American Society of Mechanical Engineers (ASME), 1969)This paper deals with the stability of motion of an elastically suspended vibrating hammer that impacts upon an energy absorbing surface. The energy absorber could represent, for example, a ... -
Discussion: “A Study of Factors Affecting the Performance of Screw Conveyers and Feeders” (Carleton, A. J., Miles, J. E. P., and Valentin, F. H. H., 1969, ASME J. Eng. Ind., 91, pp. 329–333)
(The American Society of Mechanical Engineers (ASME), 1969) -
Discussion: “Effect of Tolerance and Clearance in Linkage Design” (Garrett, R. E., and Hall, Jr., Allen S., 1969, ASME J. Eng. Ind., 91, pp. 198–202)
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Analysis of Bolt Spacing for Flange Sealing
(The American Society of Mechanical Engineers (ASME), 1969)A solution based upon the theory of elasticity is found for the maximum allowable bolt spacing in a flange assembly. The flanges are assumed to have flat faces and no gasket.