Optimization of Microextrusion Preforming Using Taguchi Method

Table 1

Analysis conditions in FEM simulation.

Workpiece	Brass (JIS C2600)
Flow stress	𝜎=721.46𝜀^0.4606
Workpiece/die	Rigid plastic body/rigid body
Symmetric mesh	1/6
Mesh number	10,000~15,000
Punch speed (mm/sec)	0.1 mm/sec
Frictional factor	Constant frictional factor/0.12