A Comprehensive Method of Apportioning Reliability Goals for New Product of Hydraulic Excavator

Table 5

Basic data of certain type of excavators.

i	Group intervals	△n	f(t)	F(t)	R(t)	λ(t)
1	0-0.300
2	0.301-0.600
3	0.601-0.900
	…
10	2.700-3.000