Research on Dynamic Balance of Spindle Rotor System Based on Particle Swarm Optimization

Table 7

Experimental data of 10 g·mm unbalanced mass.

Rotating speed/r/min		4000	6000	8000	10000	12000	14000	16000	18000	20000	22000	24000
Initial amplitude/μm		19.6	26.5	20.6	24	25.6	27.5	30.1	31.4	33.7	38.2	36.2
Correction value/g·mm	Front end	16.64∠270°
	Rear end	44.95∠90°
Amplitude after balance/μm		6.92	10.59	7.05	8.27	9.43	9.6	10.32	11.1	12.7	16.4	14.3
Optimize correction amount/g·mm	Front end	14.08∠270°
	Rear end	42.38∠90°
Amplitude after optimization/μm		4.95	6.53	5.53	6.55	7.57	8.23	8.93	9.3	10.1	12.8	10.6