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A Generalized Machining Process Damping Model for Orthogonal Cutting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Chatter vibrations in machining degrade the surface quality, cause premature tool and machine failures, and reduce the productivity. The dynamic interference between the cutting tool and the wavy part surface damps the ...
Time-Domain Modeling of Varying Dynamic Characteristics in Thin-Wall Machining Using Perturbation and Reduced-Order Substructuring Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic response of thin-walled parts becomes time and tool position dependent due to material removal along the toolpath. This article proposes a new reduced-order workpiece dynamic parameters update model using ...
Frequency Domain Updating of Thin-Walled Workpiece Dynamics Using Reduced Order Substructuring Method in Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The structural dynamics of thin-walled parts vary as the material is removed during machining. This paper presents a new, computationally efficient reduced order dynamic substructuring method to predict the frequency ...
Analytical Modeling of Process Damping in Machining
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The machining process induced damping caused by the indentation of the cutting edge into the wavy cut surface greatly affects the process stability in low-speed machining of thermally resistant alloys and hardened steel, ...