Open Access

Table 1.

Parameters and geometries of the deep drawing process.

Parameter Value Unit
Punch diameter 30 mm Given conditions
Height of the cup 15 mm
Sheet thickness 0.5 mm
Punch radius 4 mm
Drawing radius 4 mm
Tensile strength of the sheet 750 MPa
Maximum drawing ratio 2 /
Blank holder pressure 2.5 MPa
Forming speed 10 mm/s
Blank diameter 52 mm Calculated
Inner diameter of the drawing 31.4 mm
Blank holder diameter 31 mm
Blank holder area 905 mm2
Drawing clearance 0.70 mm
Drawing ratio 1.73 /
Punch force 39 kN
Blank holder force 2.3 kN

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