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Generation Mechanism and Quality of Milling Surface Profile for Variable Pitch Tools Considering Runout
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface profile is one of the foremost aspects to evaluate milling performance. Its generation mechanism is affected by a variety of factors such as tool geometry, runout values, and process parameters and thus still ...
Eigenvalue Assignment for Control of Time Delay Systems Via the Generalized Runge–Kutta Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an eigenvalue assignment method for the timedelay systems with feedback controllers. A new form of Runge–Kutta algorithm, generalized from the classical fourthorder Runge–Kutta method, is utilized ...
Differential Quadrature Method for Stability Analysis of Dynamic Systems With Multiple Delays: Application to Simultaneous Machining Operations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a semianalytical solution via the differential quadrature method (DQM) for stability analysis of linear multidegreeoffreedom secondorder systems with multiple delays. The vibration systems are reformulated ...
Numerical Integration Method for Stability Analysis of Milling With Variable Spindle Speeds
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semianalytical method is presented in this paper for stability analysis of milling with a variable spindle speed (VSS), periodically modulated around a nominal spindle speed. Taking the regenerative effect into account, ...
Stability Analysis of Milling Processes With Periodic Spindle Speed Variation Via the Variable-Step Numerical Integration Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a general method for the stability analysis and parameter optimization of milling processes with periodic spindle speed variation (SSV). With the aid of Fourier series, the time-variant spindle speeds ...
Patterns of Regenerative Milling Chatter Under Joint Influences of Cutting Parameters, Tool Geometries, and Runout
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The regenerative milling chatter is usually regarded as some kind of bifurcation or chaos behaviors of the machining system. Although several chatter patterns such as the secondary Hopf, the period doubling, and the cyclic ...