Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 4901-4920 of 7723
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Robust Tolerance Synthesis With the Design of Experiments Approach
(The American Society of Mechanical Engineers (ASME), 2000)Design of tolerances impacts quality, cost, and cycle time of a product. Most literature on deterministic tolerance design has focused on developing exact and heuristic algorithms to minimize ... -
A Closed Form Solution for Flow During the Vacuum Assisted Resin Transfer Molding Process
(The American Society of Mechanical Engineers (ASME), 2000)A closed form solution to the flow of resin in vacuum assisted resin transfer molding process (VARTM) has been derived. VARTM is used extensively for affordable manufacturing of large composite ... -
On-line Quality Estimation in Resistance Spot Welding
(The American Society of Mechanical Engineers (ASME), 2000)A neural network model is developed for on-line nugget size estimation in resistance spot welding. The variables used consist of features extracted from both controllable process input variables ... -
Prediction of Ductile Fracture in Metal Blanking
(The American Society of Mechanical Engineers (ASME), 2000)This study is focused on the description of ductile fracture initiation, which is needed to predict product shapes in the blanking process. Two approaches are elaborated using a local ductile ... -
Application of Fuzzy Set Theory in the Scheduling of a Tandem Cold-Rolling Mill
(The American Society of Mechanical Engineers (ASME), 2000)In a tandem cold-rolling mill, a strip is successively reduced in gauge at each stand as it passes through the mill. The optimal scheduling of a tandem mill is an important but difficult ... -
A Statistical Analysis of Expulsion Limits in Resistance Spot Welding
(The American Society of Mechanical Engineers (ASME), 2000)Expulsion is an important phenomenon in resistance spot welding. It involves loss of metal from the liquid nugget, which often results in the reduction of weld strength. Various models have ... -
Evaluating Process Capability During the Design of Manufacturing Systems
(The American Society of Mechanical Engineers (ASME), 2000)This paper introduces the concept of a process capability matrix—an ordered set of dimensionless parameters that capture information on a manufacturing system’s response to disturbances. The matrix ... -
Role of Unloading in Machining of Brittle Materials
(The American Society of Mechanical Engineers (ASME), 2000)A simple stress based defect evolution model is developed to assess the influence of various process parameters on material removal rate (MRR) and induced damage during grinding of brittle ... -
Modeling of Conduction Mode Laser Welding Process For Feedback Control
(The American Society of Mechanical Engineers (ASME), 2000)The response of conduction mode laser weld pool dimensions, specifically weld width, to a step change in power input has been modeled using two-dimensional heat flow analysis. The goal is to ... -
Gas Jet–Workpiece Interactions in Laser Machining
(The American Society of Mechanical Engineers (ASME), 2000)Laser machining efficiency and quality are closely related to gas pressure, nozzle geometry, and standoff distance. Modeling studies of laser machining rarely incorporate gas effects in part ... -
A Mechanistic Force Model for Contour Turning
(The American Society of Mechanical Engineers (ASME), 2000)In this paper a mechanistic force model for contour turning is presented. Analytical solutions are developed for evaluation of the mechanistic parameters (chip load, chip thickness, chip width, ... -
An Investigation of Material Removal Mechanisms in Lapping with Grain Size Transition
(The American Society of Mechanical Engineers (ASME), 2000)The mechanical material removal (MRR) mechanisms in lapping were investigated, using concepts of two-body vs. three-body abrasion and ductile vs. brittle machining. The statistical nature of the ... -
A Simulation-Based Correlation of the Density and Thermal Conductivity of Objects Produced by Laser Sintering of Polymer Powders
(The American Society of Mechanical Engineers (ASME), 2000)Numerical simulation of the laser-induced formation of shapes from polymer powders is achieved using an extension of a previously developed model of nonisothermal powder sintering. The extended ... -
Numerical and Experimental Study of Strain Rate Effects in Laser Forming
(The American Society of Mechanical Engineers (ASME), 2000)Experimental investigation and numerical simulation of the influence of the strain rate in laser forming are presented. To isolate and effectively study the strain rate effects, which are ... -
Hard Turning: Chip Formation Mechanisms and Metallurgical Aspects
(The American Society of Mechanical Engineers (ASME), 2000)A 100Cr6 (AISI E52100) steel in the hardness range of 180 to 750 HV10 was machined. Quick stop tests were carried out at various hardness values to observe the different chip formation ... -
Machining Cost Optimization Involving Shift and Overtime Work
(The American Society of Mechanical Engineers (ASME), 2000)Minimization of machining cost as a function of cutting speed is examined taking into account the effect of shift and overtime work. The cost minimization problem is formulated as the minimization ... -
Point Laser Triangulation Probe Calibration for Coordinate Metrology
(The American Society of Mechanical Engineers (ASME), 2000)Point Laser Triangulation (PLT) probes have significant advantages over traditional touch probes. These advantages include throughput and no contact force, which motivate use of PLT probes on ... -
Evaluating Cutting Fluid Effects on Cylinder Boring Surface Errors by Inverse Heat Transfer and Finite Element Methods
(The American Society of Mechanical Engineers (ASME), 2000)Sets of dry and wet boring experiments are conducted to estimate the amount of heat transferred into the workpiece and the cutting fluid heat convection coefficient in a boring operation by ... -
Fixturing of Compliant Parts Using a Matrix of Reconfigurable Pins
(The American Society of Mechanical Engineers (ASME), 2000)Commercially-available reconfigurable fixtures, used for holding compliant sheet metal, composite and plastic parts during secondary machining operations, are extremely expensive and overly-complicated ... -
Analytical Stability Analysis of Variable Spindle Speed Machining
(The American Society of Mechanical Engineers (ASME), 2000)A new analytical model to predict the chatter stability of variable spindle speed machining is presented. This model is based on transforming the linear differential equations with time varying ...