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RISImpact of Machining Parameters on Machine Reliability and System Productivity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper analyzes the impact of machining parameter selection on machining system productivity. The method involves prediction of machine tool reliability from mechanical failure based on process ...
Manufacturing System Design Considering Stochastic Product Evolution and Task Recurrence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The conventional approaches to manufacturing system design and line balancing have often focused on a single generation of products, thus leading to new design or rebalancing when new products ...
Modeling Machining Geometric Variation in a N-2-1 Fixturing Scheme
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fixtures are used to locate and constrain workpieces in machining. Fixture properties, such as accuracy and locator layout schemes, directly affect the resultant geometric variation on the machined ...
A Study on Fundamental Mechanisms of Warp and Recoil in Hemming
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the occurrence of recoil and surface warp during the flat surface-straight edge hemming process is investigated. A general-purpose finite element code ABAQUS/Standard is used to ...
Sheet Metal Joint Configurations and Their Variation Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In sheet metal assembly, joints are designed to facilitate welding the parts. The three basic joints used in sheet metal assemblies are lap (slip) joints, butt joints, and butt-lap (corner) ...
Multiple Fault Diagnosis for Sheet Metal Fixtures Using Designated Component Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new approach to multiple fault diagnosis for sheet metal fixtures using designated component analysis (DCA). DCA first defines a set of patterns based on product/process ...
On-line Quality Estimation in Resistance Spot Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: 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 ...
Evaluation of Formability in Bending/Hemming of Aluminum Alloys Using Plane-Strain Tensile Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a fundamental study for the characterization of formability in bending/hemming, or “bendability/hemmability,” of automotive aluminum alloys. Based on the strain/stress nature of ...
Variation Simulation for Deformable Sheet Metal Assemblies Using Finite Element Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Traditional variation analysis methods, such as Root Sum Square method and Monte Carlo simulation, are not applicable to sheet metal assemblies because of possible part deformation during the ...
Productivity of Paced Parallel-Serial Manufacturing Lines With and Without Crossover
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The productivity of a manufacturing system is greatly influenced by the configuration of the manufacturing system. This paper examines the importance of configuration on productivity, and the ...