(U) A blanking die must be designed to blank the part outline shown in Figure 4 jall dimensions in mm). The material is 4-mm-thick stainless steel (half hard). Determine the (a) dimensions of the blanking punch and the die opening and (b) cutting force required, given that the stainless steel has a yleld strength = 275 MPa, shear strength = 450 MPa, and tensile strength = 650 MPa. Metal Group 1100S and 50525 aluminum alloys, all sempers. 2024ST and 6061ST aluminum allays; brass, all tempers; saft cold-rolled steel, soft stainless steel. 0.045 0.060 Cold-rolled steel, half hard; stainless steel, half-hard and full-hard. 0.075 Tompiled fam (3 60 10 15

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(u) A blanking die must be designed to blank the part outline shown in Figure 4 (all dimensions in
mm). The material is 4-mm-thick stainless steel (half hard). Determine the (a) dimensians of the
blanking punch and the die opening and (b) cutting force required, given that the stainless steel
has a yleld strength = 275 MPa, shear strength = 450 MPa, and tensile strength = 650 MPa.
Metal Group
1100S and 50525 aluminum alloys, all tempers.
0.045
2024ST and 6061ST aluminum allays; brass, all tempers; soft cold-rolled steel, soft
stainless steel.
0.060
Cold-rolled steel, half hard; stainless steel, half-hard and full-hard.
0.075
Compited fam (31
60
20
10
Figure 4: 04 ()
Transcribed Image Text:(u) A blanking die must be designed to blank the part outline shown in Figure 4 (all dimensions in mm). The material is 4-mm-thick stainless steel (half hard). Determine the (a) dimensians of the blanking punch and the die opening and (b) cutting force required, given that the stainless steel has a yleld strength = 275 MPa, shear strength = 450 MPa, and tensile strength = 650 MPa. Metal Group 1100S and 50525 aluminum alloys, all tempers. 0.045 2024ST and 6061ST aluminum allays; brass, all tempers; soft cold-rolled steel, soft stainless steel. 0.060 Cold-rolled steel, half hard; stainless steel, half-hard and full-hard. 0.075 Compited fam (31 60 20 10 Figure 4: 04 ()
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