[Retracted] An Improved Ant Colony Optimization Approach for Optimization of Process Planning

Table 11

One of the best process plans for Part 2 under condition (3).

Operation	1	6	2	5	11	12	13	14	18	17	7	8	9	10	19	20	3	4	15	16
Machine	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	1	1	1
Tool	6	6	6	6	8	2	9	10	6	8	8	2	9	10	9	10	6	2	1	5
TAD	+𝑍	−𝑍	−𝑍	−𝑍	−𝑍	−𝑍	−𝑍	−𝑍	−𝑋	−𝑋	−𝑎	−𝑎	−𝑎	−𝑎	+𝑍	+𝑍	+𝑋	−𝑍	−𝑍	−𝑍
NMC = 1, NSC = 6, TMCC = 160, TSCC = 700, TMC = 1730, and TPC = 2590