Dynamic Assessment of Machine Tools by the Dynamic Data System Methodology |
Contents
III | 6 |
1 Closed Loop System of Machining | 7 |
2 Model of Regenerative Vibration | 11 |
19 other sections not shown
Common terms and phrases
250.0 FREQUENCY HZ adequate ARMAV models amplitude Analysis Of Tests assessment of machine Blim chapter characteristic roots cutting force coefficient cutting process cutting speed cutting test method damping ratio DB DEGREE depth of cut digitized data dynamic assessment dynamic behavior dynamic characteristics Dynamic Data System excitation test method exciting force FFT Analysis FINITE FOURIER SPECTRAL force measuring dynamometer forced vibration FOURIER SPECTRAL EST frequency response G(jw Green's function HZ HZ MAGNITUDE HZ HZ REAL HZ MAGNITUDE PHASE identify the machine IMAGINARY PART DB input limiting cutting machine tool structure machine tool system machining process MAGNITUDE PHASE Fig Milling Machine mm/R Mode 2 Mode mode shape natural frequencies obtained on-line dynamic assessment operative receptance Plots of Test REAL PART IMAGINARY receptance curve self-excited vibration shown in Figure sinusoidal stability stable cutting conditions strain gages T.F. Plots Test F90 transfer function white noise workpiece Y-FORCE Y-DISPL