Analysis of Vibration of Roadheader Rotary Table Based on Finite Element Method and Data from Underground Coalmine

Table 3

Equipment used in the test.

Number	Name	Type	Parameters and number
(1)	DASP analysis platform	DASP-V10	1
(2)	Modal software	MIMO modal analysis software	1
(3)	Signal collecting device	INV3018C	8 channels/24 bits; sample frequency: 25.6 kHz
(4)	Acceleration sensor	INV9824	1~15 kHz, 5 mV/g, range: 1000 g, DPI: 0.04 m/; Imp: 2~10 mA; impedance < 100 Ω, voltage 1–28 DCV, operating temperature: −20~120°C
(5)	Nylon hammer	DFC-2	12.5 t force sensor inside 1
(6)	Conditioner	INV1841C	1
(7)	Others	Computer	1
		Magnetic suction	10
		Chalk	10
		Insulating tape	3
		Wire	20