Condition Monitoring of Chain Sprocket Drive System Based on IoT Device and Convolutional Neural Network

Table 1

Technical specifications of the CSD system.

Component	Property	Value
Motor	Rotational speed (no slip)	1800 rpm
	Rotational speed (slip)	1735 rpm
	No. of poles	4
	No. of rotors	8
	No. of wings	7
Gearbox	No. of teeth in drive gear 1	15
	No. of teeth in driven gear 1	82
	No. of teeth in drive gear 2	16
	No. of teeth in driven gear 2	88
Sprocket	Rotational speed	0.99 Hz
	No. of teeth in drive sprocket	19
	No. of teeth in driven sprocket	47
	Pitch drive sprocket	192.9 mm
	Pitch driven sprocket	475.4 mm
Chain	Rotational speed of chain	0.99 Hz
	Pitch of chain	31.75 mm
	Length of chain	3048 mm
	No. of links	96
	Pitch driven sprocket
		Spec. unit
	Property	Rotation frequency (Hz)	No. of balls (EA)	Diameter of ball (mm)	Pitch circle (mm)	Contact angle (°)
Bearing	Bearing ①	30	9	7.93	38.95	0
	Bearing ②	5.49	7	7.93	29.47	0
	Bearing ③	5.49	7	9.52	35.47	0
	Bearing ④	0.99	8	13.48	58.33	0