Vibration Control of a High-Speed Precision Servo Numerically Controlled Punching Press: Multidomain Simulation and Experiments

Table 7

Vibration quantity of the punching press for a series of foundations with the same mass of 22,767 kg.

Length × width × height of foundation; (m × m × m)	Stiffness of subsoil (N/m)	Damping of subsoil (Ns/m)	Vibration amplitude/equilibrium position of frame (/mm)	Vibration amplitude/equilibrium position of slider (/mm)	Difference between amplitudes of frame and slider (/mm)	Relative distance between equilibrium positions of frame and slider (/mm)	Relative vibration quantity (/mm)
2.8 × 2.8 × 1.2	1.6582 × 10^8	9.3436 × 10^5	0.449/(−2.511)	0.435/(−22.479)	0.014	0.032	0.046
2.3 × 3.1 × 1.4	1.5392 × 10^8	7.6142 × 10^5	0.491/(−2.698)	0.480/(−22.668)	0.011	0.03	0.041
2.4 × 3.3 × 1.2	1.6604 × 10^8	9.3787 × 10^5	0.418/(−2.512)	0.406/(−22.482)	0.012	0.031	0.042
2.6 × 3.5 × 1.1	1.8199 × 10^8	1.2069 × 10^6	0.378/(−2.306)	0.354/(−22.272)	0.024	0.034	0.058
2.8 × 3.7 × 0.9	1.9850 × 10^8	1.5325 × 10^6	0.337/(−2.107)	0.310/(−22.079)	0.027	0.028	0.055
3.0 × 3.9 × 0.8	2.1535 × 10^8	1.9173 × 10^6	0.291/(−1.948)	0.261/(−21.926)	0.030	0.022	0.052