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Operating Range of the APS punching unit for round holes with S233
Conversion factor of S233 for the processing of various materials.
R
max [N/mm²] (sheet)
τmax = 0,85 ⋅ R
max [N/mm²]
Factor (Steel X / S233)
Example 1
APS 70 punching unit, F
Punch diameter Ø = 18 mm
Material thickness S = 8 mm
Material C 45, R
Calculation 1:
F = F (S233)
⋅x
F = 170 kN
F is smaller than F
Punching power sufficient!
Conversion table for the pressure units bar and psi.
bar
psi
psi
1
14.5
1
10
145
100
100
1450
1000
500
7250
5000
1000
14500
10000
1200
17400
10500
S233
470
376
1.00
= 310 kN
max
²
= 800 N/mm
max
Factor (C 45 / S233)
1,70 = 289 kN
⋅x
max
bar
0.0689
6.8965
68.965
344.82
689.65
724.13
S275
S355
510
630
408
504
1.09
1.34
APS 70 punching unit, F
Punch diameter Ø = 21 mm
Material thickness S = 12 mm
Material S275, R
F = F (S233)
F = 298 kN
F is larger than F
Punching power too low!
Please opt for our APS 120
E335
C25
C35
710
600
700
568
480
560
1.51
1.28
1.49
Example 2
= 310 kN
max
= 510 N/mm
max
Calculation 2:
⋅ x
Factor (S275 / S233)
⋅ x
1,09 = 324,8 kN
max
C45
C60
800
900
640
720
1.70
1.91
²
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