Research Article

[Retracted] Green Machining Characteristics Study of Al-6063 in CNC Milling Using Taguchi Method and Grey Relational Analysis

Table 2

Machining parameters and their levels.

Control factorsUnitCodeLevels
123

Spindle speedrpmSs150023003000
Feed ratemm/minFr102030
Depth of cutmmDc0.40.50.6