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RCSA-Based Method for Tool Frequency Response Function Identification Under Operational Conditions Without Using Noncontact Sensor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stability lobe diagrams predicted using the tool frequency response function (FRF) at the idle state usually have discrepancies compared with the actual stability cutting boundary. These discrepancies can be attributed ...
Analysis of the Effect of Tool Posture on Stability Considering the Nonlinear Dynamic Cutting Force Coefficient
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In aviation and navigation, complicated parts are milled with high-speed low-feed-per-tooth milling to decrease tool vibration for high quality. Because the nonlinearity of the cutting force coefficient (CFC) is more evident ...
Parametric Characterization and Distribution Consistency Evaluation of Machining-Induced Residual Stresses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Uneven distribution of machining-induced residual stresses (MIRS) caused by dynamic cutting conditions and material internal properties has a significant impact on fatigue resistance, stress corrosion resistance, and ...
Stability Prediction Based Effect Analysis of Tool Orientation on Machining Efficiency for Five-Axis Bull-Nose End Milling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The traditional stability analysis by only considering cutting depth-spindle speed lobe diagram is appropriate for parameters optimization and efficiency improvement of the five-axis ball-end milling. However due to the ...
Stability Prediction and Step Optimization of Trochoidal Milling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When machining narrow grooves, corners, and other complex cavities with trochoidal milling, the irrationally large trochoidal step usually leads to chatter, while the conservative trochoidal step constrains the machining ...