3 Fundamentals of press design

164 Sheet metal forming and blanking
11
12
13
14
15
16
17
18
19
Container shape (cross-section)
rotationally symmetrical shapes Blank diameter D =
f
f
f
d 2
d 1 h
d 2
d 1 h
d 1
d 2
d 1
d
d 1
d 1
d 1
d 2
d 2
d 2
d 2
d 2
h
h
h
h 2
h 1
h2 h1 * Containers with small (bottom) radii r < 10 mm
s
h 2
h 1
d1d d h
2
2 2 + + 4 ⋅ 1 ⋅
( )
1 414 1 2 2 . ⋅ d + ⋅ d1⋅ h+ f ⋅ d1+ d2
2 2
d + 4 ⋅h
d 2 2
2 + 4 ⋅h
( )
d2h d h
2
1 2 + 4 ⋅ + 1 ⋅ 2
( )
2
d h1d h 2 + 4 ⋅ + ⋅ 2
( )
d 2 2
1 + 4⋅ h + 2⋅f
⋅ d1+ d2
[ ( ) ]
d1h d h f d d
2
1 2 + 4⋅ + 1 ⋅ 2 + 0. 5⋅
⋅ 1+ 2
d1s d d
2 + 2 ⋅ ⋅ ( 1+ 2 ) *
Metal Forming Handbook / Schuler (c) Springer-Verlag Berlin Heidelberg 1998