Reliability Modelling of CNC Machine Tools Based on the Improved Maximum Likelihood Estimation Method

Table 3

Values of a and b.

Number	Parameters
	a	b
1	1.5	1.5
2		2
3		2.5
4	2	1.5
5		2
6		2.5
7	2.5	1.5
8		2
9		2.5