Punch Load Calculator
Home
>
Die Clinic
>
Punch Load Calculator
This page calculates the compressive load applied to a perforating punch. You can use it to determine whether a punch is likely to break or bend and whether a hardened backing plate is needed to protect the punch head. Here is page of
Punch Terminology
including a sketch and descriptions of technical terms.
Step 1.
Enter information about the stock you are punching in rows A, B, and C below. Enter information about your punch in rows D and E.
A.
*** Select Inches or Millimeters ***
Inches
Millimeters
B.
*** Select Stock Material Being Perforated ***
Aluminum - Soft
Aluminum - 1100 to 6063
Aluminum - 7075 to 7178
Brass - Soft
Brass - Half Hard
Brass - Full Hard
Brass - Spring Quality
Bronze - Common Quality
Bronze - Annealed Phosphorous Bronze
Bronze - Hard Phosphorous Bronze
Copper - Quarter Hard 110 Grade
Copper - Soft Common Quality
Copper - Soft Beryllium Copper
Copper - Hard Beryllium Copper
Hasteloy
Steel 1010 Cold Rolled
Steel Cold Rolled - 0.15% Carbon #4 Temper
Steel Cold Rolled - 0.15% Carbon #3 Temper
Steel Cold Rolled - 0.25% Carbon No Temper
Steel High Strength - 0.25% Carbon #1 Temper
Spring Steel - 0.50% Carbon
Spring Steel - 1.00% Carbon
Stainless Steel - 200 Series
Stainless Steel - 300 Series
Stainless Steel - 400 Series
C.
Stock Thickness
D.
*** Select Punch Point Shape ***
Round Point
Square/Rectangle Point
Oblong Point
E.
*** Select Punch Material ***
S5 Tool Steel - 55 Rc - 0 Kpsi
A2 Tool Steel - 58 Rc - 0 Kpsi
A2 Tool Steel - 60 Rc - 0 Kpsi
D2 Tool Steel - 59 Rc - 0 Kpsi
D2 Tool Steel - 60 Rc - 0 Kpsi
D2 Tool Steel - 61 Rc - 0 Kpsi
CPM3V Tool Steel - 60 Rc - 0 Kpsi
L6 Tool Steel - 60 Rc - 0 Kpsi
M2 Tool Steel - 60 Rc - 0 Kpsi
PS Tool Steel - 60 Rc - 0 Kpsi
PS Tool Steel - 61 Rc - 0 Kpsi
PS Tool Steel - 62 Rc - 0 Kpsi
PS Tool Steel - 63 Rc - 0 Kpsi
PS Tool Steel - 64 Rc - 0 Kpsi
CPM10V Tool Steel - 60 Rc - 0 Kpsi
CPM10V Tool Steel - 61 Rc - 0 Kpsi
CPM10V Tool Steel - 62 Rc - 0 Kpsi
CPM10V Tool Steel - 63 Rc - 0 Kpsi
CPM10V Tool Steel - 64 Rc - 0 Kpsi
T15 Tool Steel - 66 Rc - 0 Kpsi
PS4 Tool Steel - 63 Rc - 0 Kpsi
PS4 Tool Steel - 63.5 Rc - 0 Kpsi
PS4 Tool Steel - 64.5 Rc - 0 Kpsi
PS4 Tool Steel - 65 Rc - 0 Kpsi
CPM M4 Tool Steel - 63 Rc - 0 Kpsi
CPM M4 Tool Steel - 63.5 Rc - 0 Kpsi
CPM M4 Tool Steel - 64.5 Rc - 0 Kpsi
CPM M4 Tool Steel - 65 Rc - 0 Kpsi