Experimental Analysis of Residual Stress and Bending Strength of Gear Tooth Surface after Shot Peening Treatment

Table 3

Detected residual stresses.

Gear number	Gear location	Test point 1 (N)	Test point 2 (N)	Absolute value of difference |Δ| (N)
B1	T1	−498	−518	20
B1	T2	−531	−521	10
B1	T3	−540	−535	5
A1	T1	−621	−612	9
A1	T2	−572	−551	21
A1	T3	−621	−611	10
B2	T1	−511	−491	20
B2	T2	−507	−488	19
B2	T3	−538	−562	24
A2	T1	−565	−553	12
A2	T2	−516	−529	13
A2	T3	−586	−577	9
B3	T1	−501	−486	15
B3	T2	−499	−504	5
B3	T3	−511	−498	13
A3	T1	−637	−596	41
A3	T2	−557	−565	8
A3	T3	−639	−637	2