Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 5721-5740 of 7723
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Workpiece Cleaning During Variable Polarity Plasma Arc Welding of Aluminum
(The American Society of Mechanical Engineers (ASME), 1994)Variable Polarity Plasma Arc welding has proved to be extremely successful in welding aluminum alloys despite their adherent refractory oxide. This success has been attributed to removal of the ... -
Influence of Feed Variation on Tool Wear When Milling Stainless Steel 17-4Ph
(The American Society of Mechanical Engineers (ASME), 1994)This paper presents the results of experimental studies on the influence of feed variation on tool wear during face milling. Experimental results on milling Stainless Steel 17-4PH show that it ... -
Steady-State Formulation for Stress and Distortion of Welds
(The American Society of Mechanical Engineers (ASME), 1994)A steady state formulation has been developed for thermal stress analysis. It uses features from both the Lagrangian formulation and the Eulerian formulation. The mesh sits on an Eulerian frame ... -
Evaluation of the Effect of High Speed Machining on Tapping
(The American Society of Mechanical Engineers (ASME), 1994)This paper summarizes tapping characteristics at speeds as high as 9,000 rpm (180 m/min surface speed) as compared to traditional tapping done at speeds from 500 to 1,500 rpm (20–30 m/min). ... -
Multi-Laser Displacement Sensor Used in Accurate Digitizing Technique
(The American Society of Mechanical Engineers (ASME), 1994)This paper presents a new technique for digitizing an unknown sculptured surface using a new multi-Laser Displacement Sensor (LDS) and an articulated Coordinate Measuring Machine (CMM). The new ... -
Weldment Evaluation of High Pressure Steam Rotors
(The American Society of Mechanical Engineers (ASME), 1994)Life extension of high pressure and intermediate pressure rotors by weld repair is a viable alternative considering the latest developments. Our objective is to select a filler wire that will ... -
Analytical Modeling of Cutting Point Trajectories in Milling
(The American Society of Mechanical Engineers (ASME), 1994)A modeling methodology applicable to milling is proposed. This methodology represents a unified approach, in which the essential features of previously developed analytic and numerical models are ... -
Production of Microcellular Polycarbonate Using Carbon Dioxide for Bubble Nucleation
(The American Society of Mechanical Engineers (ASME), 1994)A process to produce a family of novel materials from polycarbonate, having a microcellular structure, is described. The process utilizes the high solubility of carbon dioxide in polycarbonate ... -
On the Experimental Optimization of Tool Geometry for Uniform Pressure Distribution in Single Edge Gundrilling
(The American Society of Mechanical Engineers (ASME), 1994)An investigation into the effect of gundrill geometry on the coolant flow, in gundrilling, is carried out. This investigation deals mainly with the loss of coolant pressure occurring in a ... -
Design Concept of an Integrated Vision System for Cost-effective Part-Presentation
(The American Society of Mechanical Engineers (ASME), 1994)The cost of feeding parts to a robot for either machine loading or for assembly has been recognized as excessively expensive. The lack of a cost-effective generic part-presenter has prevented ... -
Modelling Machining Dynamics Including Damping in the Tool-Workpiece Interface
(The American Society of Mechanical Engineers (ASME), 1994)Machining instability, namely chatter, occurs due to the interaction between the structural dynamics and the cutting process. The process damping generated at the tool-workpiece interface is an ... -
Spectroscopic Measurements of Hydrogen and Oxygen in Shielding Gas During Plasma Arc Welding
(The American Society of Mechanical Engineers (ASME), 1993)In Situ optical spectroscopy has been used on plasma arc welded 2219 aluminum to measure both the average temperature of and the amount of hydrogen and oxygen in the welding arc. Hydrogen ... -
Vibration of Power Plant Piping
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Gouge Detection Algorithms for Sculptured Surface NC Generation
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An Efficient 2D Finite Element Procedure for the Quenching Analysis With Phase Change
(The American Society of Mechanical Engineers (ASME), 1993)An efficient finite element procedure has been developed for the analysis of quenching problems involving nonisothermal phase changes. The finite element analysis includes temperature dependent ... -
A Method for Estimating and Compensating Quasistatic Errors of Machine Tools
(The American Society of Mechanical Engineers (ASME), 1993)Quasistatic errors are the major contributors to positioning inaccuracies of machine tools. These errors, estimated to account for 70 percent of the errors of the machine, have been observed ... -
Control of Chips in the Turning of 4150 by Using an Obstruction Type Chip Breaker
(The American Society of Mechanical Engineers (ASME), 1993)This paper provides the optimal ratio of feed to the chip breaker location in the machining of 4150 steel when using an obstruction type chip breaker. The objective was to generate properly ... -
Laser Grooving of Composite Materials With the Aid of a Water Jet
(The American Society of Mechanical Engineers (ASME), 1993)This paper presents a method for reducing the thermal damage of composite materials during laser grooving. The method utilizes a water jet in tandem with the laser beam in an attempt to ... -
Deep Drawing of Square-Shaped Sheet Metal Parts, Part 1: Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 1993)The process of square-cup drawing is modeled employing a simplified finite element analysis technique. In order to make the algorithm computationally efficient, the deformation (total strain) ... -
A Model for Feeder-Extruder Interactions
(The American Society of Mechanical Engineers (ASME), 1993)In the field of plastic extrusion, the accurate feeding of materials to the extrusion process is an important issue. The end product quality is partially dependent upon the extruder receiving ...