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RISA Roll-Stack Contact Mechanics Model to Predict Strip Profile in Rolling Mills With Asymmetric, Continuously Variable Crown Rolls
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Introduced is an efficient new model to compute the roll-stack deflections and contact mechanics behaviors for metal rolling mills with asymmetric roll crowns. The new model expands the simplified mixed finite element (FE) ...
Efficient Three-Dimensional Model to Predict Time History of Structural Dynamics in Cold Rolling Mills
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Introduced is a new physics-based three-dimensional (3D) mathematical model capable of efficiently predicting time histories of the nonlinear structural dynamics in cold rolling mills used to manufacture metal strips and ...
Stochastic Method to Predict Effects of Roll Grinding Deviations on Sheet Flatness in Cold Rolling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Industrial measurements of the diameter profiles of work-rolls used in cold sheet rolling are applied with a stochastic roll-stack model to better understand how residual error from the roll grinding process affects the ...
An Efficient Multi-Scale Modeling Method that Reveals Coupled Effects Between Surface Roughness and Roll-Stack Deformation in Cold Sheet Rolling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In thin-gauge cold rolling of metal sheet, the surface roughness of work rolls (WRs) is known to affect the rolled sheet surface morphology, the required rolling load, and the roll wear. While modeling of rough surfaces ...
Variable Damping Profiles Using Modal Analysis for Laser Shock Peening Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The single explicit analysis using time-dependent damping (SEATD) technique for laser shock peening (LSP) simulation employs variable damping to relax the excited model between laser shots, thus distinguishing it from ...
Computational Method to Predict Three-Dimensional Chatter Vibration in Cold Rolling of Flat Metals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Introduced is a three-dimensional, physics-based mathematical model capable of efficiently predicting self-excited chatter vibration phenomena in the cold rolling of metal strip and sheet. The described nonlinear chatter ...
Iterative Stress Reconstruction Algorithm to Estimate Three-Dimensional Residual Stress Fields in Manufactured Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Residual stress (RS) significantly impacts the mechanical performance of components. Measurement of RS often provides incomplete data in terms of components of stress and spatial density. Employing such fields in finite ...
Probabilistic Force Prediction in Cold Sheet Rolling by Bayesian Inference
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A primary factor in manufacturing highquality coldrolled sheet is the ability to accurately predict the required rolling force. Rolling force directly influences rollstack deflections, which correlate to strip thickness ...
An Efficient Reliability-Based Simulation Method for Optimum Laser Peening Treatment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is introduced for efficient reliability-based design of laser peening (LP) surface treatment to extend fatigue life of metal components. The method includes nonparametric probability density estimation, surrogate ...
Effects of Aluminum Plate Initial Residual Stress on Machined-Part Distortion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dimensional tolerances for high-speed-machined aluminum products continue to tighten due to the demand for automated assembly of complex monolithic parts in aerospace and other industries. Understanding the contribution ...