engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Metal Forming Sheet Metal Operation
Find the blanking force required to punch 10 mm diameter holes in a steel sheet of 3 mm thickness. Given shear strength of material = 400 MPa, penetration = 40% and shear provided on the punch = 2 mm.
1
22.6 kN
2
37.7 kN
3
61.6 kN
4
94.3 kN