38- A blanking operation is to be performed on 8.0 mm thick soft cold rolled steel. The part is circular with diameter= 90.0 mm. Determine the appropriate punch size for this operation (Punch diameter = Db - 2c) Clearance allowance value for Metal Group 1100S and 5052S aluminum alloys, 0.045 all tempers Ac 2024ST and 6061 ST aluminum 0.060 alloys; brass, all tempers; soft cold- rolled steel, soft stainless steel Cold-rolled steel, half hard; stainless steel, half-hard and full- hard 0.075

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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38 - A blanking operation is to be performed on 8.0 mm thick soft cold rolled steel. The part is circular with diameter% D
90.0 mm. Determine the appropriate punch size for this operation (Punch diameter = Db - 2c)
%3D
Clearance allowance value for
Metal Group
1100S and 5052S aluminum alloys,
all tempers
Ac
0.045
2024ST and 6061 ST aluminum
0.060
alloys; brass, all tempers; soft cold-
rolled steel, soft stainless steel
Cold-rolled steel, half hard;
stainless steel, half-hard and full-
hard
0.075
a)
98,20
b)
89.04
88,80
82.70
e)
74,76
Transcribed Image Text:38 - A blanking operation is to be performed on 8.0 mm thick soft cold rolled steel. The part is circular with diameter% D 90.0 mm. Determine the appropriate punch size for this operation (Punch diameter = Db - 2c) %3D Clearance allowance value for Metal Group 1100S and 5052S aluminum alloys, all tempers Ac 0.045 2024ST and 6061 ST aluminum 0.060 alloys; brass, all tempers; soft cold- rolled steel, soft stainless steel Cold-rolled steel, half hard; stainless steel, half-hard and full- hard 0.075 a) 98,20 b) 89.04 88,80 82.70 e) 74,76
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