Noise Source Identification Method for a Carpet Tufting Machine Based on CEEMDAN-AIC

Table 1

The main vibration frequencies of the parts.

Part	Main vibration frequency (Hz)
Pressure plate	5, 52
Motor spindle	6, 47
The hook	5
The hook-driven shaft	5, 57
The hook main shaft	5
Machine base	5, 26, 37