Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 5481-5500 of 7723
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Effects of Welding Conditions on Molten Drop Geometry in Arc Welding
(The American Society of Mechanical Engineers (ASME), 1996)The precise geometry of the molten drop attached to the electrode has substantial influence on the metal transfer. The geometry of the drop is a function of various parameters including the ... -
Central Bursting and Optimal Die Profile for Axisymmetric Extrusion
(The American Society of Mechanical Engineers (ASME), 1996)A simple criterion for predicting the initiation of central burst in extrusion is proposed. The geometric conditions to avoid central bursting are predicted by using the proposed criterion under ... -
Thermal Evaluation of a Dry Nonrotating Thin Section Contact Bearing
(The American Society of Mechanical Engineers (ASME), 1996)The thermal resistance of an angular contact ball bearing as a function of the radial and axial load is investigated numerically. An elastic stress analysis, based on Hertzian contact theory, ... -
Nesting of Complex 2-D Parts Within Irregular Boundaries
(The American Society of Mechanical Engineers (ASME), 1996)An algorithm is outlined for the nesting of complex parts onto resources with irregular boundaries. The algorithm adapts Albano and Sapuppo’s technique for nesting irregular profiles on rectangular ... -
An Innovative Approach to Increase the Accuracy of Multi-Axis Machines for Process-Intermittent Inspection
(The American Society of Mechanical Engineers (ASME), 1996)A method for enhancing the effectiveness and robustness of process-intermittent inspection is presented. The method is developed first using mathematical models and measurements closely related to ... -
A New Method to Leak Test Piping Joints
(The American Society of Mechanical Engineers (ASME), 1996)A new device to leak test piping joints is described. The test is done external to the unpressurized pipe while the joints are easily accessible. Typically it would be done before burial of ... -
Monitoring of Thermal Energy Distribution in Abrasive Waterjet Cutting Using Infrared Thermography
(The American Society of Mechanical Engineers (ASME), 1996)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 ... -
Modeling and Calibration of a Structured-light Optical CMM via Skewed Frame Representation
(The American Society of Mechanical Engineers (ASME), 1996)A new tetrahedron-target-based approach is presented for the extrinsic calibration of a non-contact “light-striping” (structured light) optical coordinate measuring machine (CMM). The procedure makes ... -
Distributed-Parameter Control of the Heat Source Trajectory in Thermal Materials Processing
(The American Society of Mechanical Engineers (ASME), 1996)In thermal manufacturing processes performed by a localized, sequentially moving heat source, simultaneous regulation of multiple thermal quality characteristics requires real-time control of the ... -
A Theoretical Study of Erosion Phenomenon in Abrasive Jet Machining
(The American Society of Mechanical Engineers (ASME), 1996)The paper presents a theoretical analysis for estimating the abrasive particle velocity in air-abrasive jet using continuum approach applied to two-phase flow system. Subsequently a theoretical ... -
Fuzzy Adaptive Control of Machining Processes With a Self-Learning Algorithm
(The American Society of Mechanical Engineers (ASME), 1996)When machining conditions change significantly, applying parameter-adaptive control to the cutting system by varying the table feedrate allows a constant cutting force to be maintained. Although ... -
A Digraphic Approach for Dimensional Chain Identification in Design and Manufacturing
(The American Society of Mechanical Engineers (ASME), 1996)In order to determine working dimensions and tolerances of a process plan, a tolerance chart is often employed. Dimensional chain identification is a necessary step in the tolerance charting ... -
Thermo-Viscoplastic Modeling of Machining Process Using a Mixed Finite Element Method
(The American Society of Mechanical Engineers (ASME), 1996)This paper considers a thermo-viscoplastic model of the steady state orthogonal machining process by using a three-field mixed finite element method based on the Hu-Washizu variational principle. ... -
Study of Electrochemical Jet Machining Process
(The American Society of Mechanical Engineers (ASME), 1996)Jet Electrochemical Machining (ECJM) employs a jet of electrolyte for anodic dissolution of workpiece material. ECJM is extensively used for drilling small cooling holes in aircraft turbine blades ... -
Determination of Surface Residual Stresses in Machined Ceramics Using Indentation Fracture
(The American Society of Mechanical Engineers (ASME), 1996)Machining produces surface residual stresses which significantly influence the strength and wear resistance of ceramic components. As new methods are developed for machining ceramics, a quick and ... -
Modular CNC Design for Intelligent Machining, Part 2: Modular Integration of Sensor Based Milling Process Monitoring and Control Tasks
(The American Society of Mechanical Engineers (ASME), 1996)Modular integration of sensor based milling process monitoring and control functions to a proposed CNC system architecture is presented. Each sensor based process control algorithm resides in a ... -
A Flexible Ball-End Milling System Model for Cutting Force and Machining Error Prediction
(The American Society of Mechanical Engineers (ASME), 1996)This paper presents a flexible system model for the prediction of cutting forces and the resulting machining errors in the ball-end milling process. Unlike the previously developed rigid system ... -
Modular CNC Design for Intelligent Machining, Part 1: Design of a Hierarchical Motion Control Module for CNC Machine Tools
(The American Society of Mechanical Engineers (ASME), 1996)An hierarchical motion-control design strategy is presented to integrate various intelligent machining modules to CNC systems. There are two independent buses in the CNC system. Modular and ... -
Active Thermal Preload Regulation for Machine Tool Spindles With Rolling Element Bearings
(The American Society of Mechanical Engineers (ASME), 1996)Modern machine tools are required to operate at wide speed ranges for higher productivity and quality. Because spindle bearings generate a large amount of heat at high speeds, the compensation ... -
An Evaluation of Chip Separation Criteria for the FEM Simulation of Machining
(The American Society of Mechanical Engineers (ASME), 1996)Different chip separation criteria for the FEM simulation of machining were examined. Criterion based on distance between the tool tip and the node located immediately ahead, criterion based on ...