Optimization of AL6061-T6 Tube End Forming Process Using Response Surface Method

Table 7

Optimal values of the input variables based on the defined constraints and objective functions.

Input variables	Constraint type	Uncoded values	Case (1); Minimize	Case (2); Minimize and
			Optimal values
	Constrain to region	[0 : 15]	15^o	15°
(mm)	Constrain to region	[3 : 9]	9	6.57
(mm)	Hold value	50	50	50
(mm)	Hold value	140	140	140
(rpm)	Constrain to region	[400 : 1200]	828	990