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The Effect of Helix Angle Variation on Milling Stability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Helical milling tools of nonuniform helix angles are widely used in manufacturing industry. While the milling tools with these special cutting edges are already available in the market, their ...
Experiments on Quasiperiodic Wheel Shimmy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The lateral vibration of towed wheels—so-called shimmy—is one of the most exciting phenomena of vehicle dynamics. We give a brief description of a simple rig of elastic tire that was constructed ...
Lobes and Lenses in the Stability Chart of Interrupted Turning
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new method for the stability analysis of interrupted turning processes is introduced. The approach is based on the construction of a characteristic function whose complex roots ...
State Dependent Regenerative Effect in Milling Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The governing equation of milling processes is generalized with the help of accurate chip thickness derivation resulting in a state dependent delay model. This model is valid for large amplitude ...
Increased Stability of Low-Speed Turning Through a Distributed Force and Continuous Delay Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the increased stability behavior commonly observed in low-speed machining. In the past, this improved stability has been attributed to the energy dissipated by the ...
Machine Tool Chatter and Surface Location Error in Milling Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A two degree of freedom model of the milling process is investigated. The governing equation of motion is decomposed into two parts: an ordinary differential equation describing the periodic ...
Nonlinear Dynamics of High-Speed Milling—Analyses, Numerics, and Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-speed milling is often modeled as a kind of highly interrupted machining, when the ratio of time spent cutting to not cutting can be considered as a small parameter. In these cases, the ...