Research Article
Study of Microstructure and Mechanical Properties Effects on Workpiece Quality in Sheet Metal Extrusion Process
Table 1
FEM simulation conditions.
| | Simulation model | Axisymmetric model |
| | Object type | Work piece: elastic-plastic
Punch/die: rigid
Blank holder: rigid
Counterpunch: rigid
Guide ring: rigid |
| | Blank material | AISI-1045
= 38, = 5 mm
= 530 MPa, = 26% |
| | Punch penetration | = 1, 2 and 3 |
| | Punch | AISI-M4
= 12.70 mm, = 0.20 |
| | Die | AISI-M4
= 10.00 mm, = 0.20 |
| | Blank holder force | AISI-M4, = 16 kN |
| | Counter punch force | AISI M4, = 500 N |
| | Flow curve equation | |
| | Fracture criterion equation | Oyane
(constant , critical fracture value ) |
| | Friction coefficient | |
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