Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 6061-6080 of 7723
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An Enhanced Quality Evaluation System for Continuous Manufacturing Processes, Part 2: Application
(The American Society of Mechanical Engineers (ASME), 1990)Following Part 1 of this work, which discussed the theory behind the design of an Enhanced Quality Evaluation System (EQES), Part 2 addresses the construction of the rule base which classifies ... -
Improved Methods for the Prediction of Chatter in Turning, Part 2: Determination of Cutting Process Parameters
(The American Society of Mechanical Engineers (ASME), 1990)The dynamics of the metal cutting process are identified by a new and simple experimental method that permits the direct determination of the cutting transfer functions from input-output ... -
An Enhanced Quality Evaluation System for Continuous Manufacturing Processes, Part 1: Theory
(The American Society of Mechanical Engineers (ASME), 1990)A quality evaluation system is presented which gives enhanced information about the nature of quality changes in continuous manufacturing processes. The system monitors a quality characteristic ... -
Application of Three Dimensional Finite Element Analysis to Shape Rolling Processes
(The American Society of Mechanical Engineers (ASME), 1990)In the present investigation, an FEM code SHPROL has been developed for three-dimensional simulations of shape rolling processes. SHPROL is capable of handling arbitrary roll profiles and follows ... -
Improved Methods for the Prediction of Chatter in Turning, Part 1: Determination of Structural Response Parameters
(The American Society of Mechanical Engineers (ASME), 1990)The dynamics of the structure of a lathe at the cutting point are directly identified under normal machining operation using an improved version of a method originally proposed by Opitz and ... -
The Maximum Drawing Ratio in Hydroforming Processes
(The American Society of Mechanical Engineers (ASME), 1990)The concept of Maximum Drawing Ratio (MDR), supplementary to the well-known Limit Drawing Ratio (LDR), is defined, examined, and illustrated by experiments. In essence the MDR is reached when ... -
Dimensional and Surface Roughness Controls in a Turning Operation
(The American Society of Mechanical Engineers (ASME), 1990)Dimensional and surface roughness controls in turning have been achieved by a newly developed measuring system based on an optical technique. The aim of these controls are not only to keep a ... -
On the Effects of a Built-Up Edge on Acoustic Emission in Metal Cutting
(The American Society of Mechanical Engineers (ASME), 1990)Experimental evidence is presented which indicates that the presence of a built-up edge can significantly affect the generation of acoustic emission in metal cutting. Results for machining SAE ... -
Life Prediction for Unstable Shell Growth in Rails
(The American Society of Mechanical Engineers (ASME), 1990)The growth rate of the relatively benign shell type defects such as horizontal cracks found in the head of railroad rails is calculated. The effect of the residual stresses acting in the ... -
On the Design and Construction of Direct-Drive Robots
(The American Society of Mechanical Engineers (ASME), 1990)In this research, a statically-balanced direct-drive manipulator is designed and constructed to achieve improved dynamic behavior for compliance control [10, 11, 12]. The manipulator mechanism, ... -
Noncircular Turning of Workpieces With Sharp Corners
(The American Society of Mechanical Engineers (ASME), 1990)This note deals with noncircular machining of workpieces with sharp corners. Tool positioning for directly tracking a profile with sharp corners requires large actuator inputs at the sharp ... -
The Effects of Variable Speed Cutting on Vibration Control in Face Milling
(The American Society of Mechanical Engineers (ASME), 1990)This paper discusses the use of variable speed cutting for vibration control in the face milling process. Both simulation and experimental results show that the self-excited vibrations that can ... -
Effects of Geometric and Process Parameters on Drill Transverse Vibrations
(The American Society of Mechanical Engineers (ASME), 1990)Finite element solutions are used to analyze the effects of geometric and process parameters on the drill bit transverse vibrations. The effects of cross sectional geometry, of the flute helix ... -
Experimental Investigations into Electrochemical Spark Machining of Composites
(The American Society of Mechanical Engineers (ASME), 1990)Reports have indicated the poor performance of the conventional type of cutting tools during machining of composites. In this paper electrochemical spark machining (ECSM) for the cutting and ... -
A Computer-Aided Cooling-Line Design System for Injection Molds
(The American Society of Mechanical Engineers (ASME), 1990)This paper presents a methodology for analyzing the heat-transfer process during the injection molding of plastics as an aid to mold design. A numerical scheme using the Boundary Element Method ... -
Limit Cycle Predictions of a Nonlinear Journal-Bearing System
(The American Society of Mechanical Engineers (ASME), 1990)An analysis is presented of the self-excited vibrations of a journal carried in a cylindrical fluid film bearing. Using linear stability theory, the values of the system parameters at the point ... -
Boring by Plug-Type Rotary Cutting Tool
(The American Society of Mechanical Engineers (ASME), 1990)A new boring process is introduced and machining properties are examined. In this process, a drilled hole is finished with a plug-type rotary cutting tool which has a ring-like cutting edge. ... -
A Simple Piercing Process Applicable to Brittle Materials
(The American Society of Mechanical Engineers (ASME), 1990)Piercing of brittle sheets, which is difficult to achieve by conventional shearing or drilling, is achieved using a new manufacturing process utilizing the impact compression of a viscoplastic ... -
Update on High-Speed Milling Dynamics
(The American Society of Mechanical Engineers (ASME), 1990)As spindle speeds and power have increased, the possibility of using the stability lobe phenomena to substantially increase the metal removal rate has become more attractive, and selection of ... -
Performance of a New Type of Water Jet Pump
(The American Society of Mechanical Engineers (ASME), 1990)A new type of water jet pump called the bend-type jet pump was investigated both theoretically and experimentally for its performance, with the primary and secondary fluids both being water. ...