1. 12
Sheartolerance(N/mm)Seechartbelow
3-2.Punchingpressure
ٟCalculatingMethodofPunchingpressure
᎗፧፧ᎄ፧፧ᎈᏽᕐᏽᎻ᫝ᐝ፸፳፷፷፷
Platethinness(mm)
Cuttingprofilelength(mm)
Punchingpressure(KN)
Ǿ23.5˜3.14˜400˜2.3¸1000=67.9KN
ዄ10዇10዇50዇50ዅ˜250˜1.5¸1000=45KN
ٟSheartolerance(Ǽ)
2
1.PunchingpressureofSPC2.3t,Ǿ23.5CASEዅ
2.PunchingpressureofAluminum1.5t,rectangle10˜50CASEዅ
MaterialN/mm2
ᰫkg/mm2
ᰭ
Stainlesssteel600ᰫ60ᰭ
Mildsteel400ᰫ40ᰭ
Aluminum200ᰫ20ᰭ
MaterialN/mm2
ᰫkg/mm2
ᰭ
Stainlesssteel600ᰫ60ᰭ
Mildsteel400ᰫ40ᰭ
Aluminum200ᰫ20ᰭ

2. 13
3-3.Punchingforthickermaterial
Example1:useB(11/4”)stationsizewhenapplicabletothetablebelowfor
AirBlowtool
Example2:useC(2”)stationsizewhenapplicabletothetablebelowfor
AirBlowtool
materialᯘSheartoleranceᯙthickness(mm)diamete(mm)
3.2Biggerthanij11.5
4.5Biggerthanij8.0
6.0Biggerthanij7.0
2.0Biggerthanij11.5
3.0Biggerthanij8.0
Mildsteel(400N/mm
2
ᯙ
Stainlesssteel(600N/mm
2
ᯙ
materialᯘSheartoleranceᯙthickness(mm)diamete(mm)
3.2Biggerthanij11.5
4.5Biggerthanij8.0
6.0Biggerthanij7.0
2.0Biggerthanij11.5
3.0Biggerthanij8.0
Mildsteel(400N/mm
2
ᯙ
Stainlesssteel(600N/mm
2
ᯙ
materialᯘSheartoleranceᯙthickness(mm)diamete(mm)
4.5Biggerthanij28.0
6.0Biggerthanij21.0
Stainlesssteel(600N/mm
2
ᯙ3.0Biggerthanij28.0
Mildsteel(400N/mm
2
ᯙ
materialᯘSheartoleranceᯙthickness(mm)diamete(mm)
4.5Biggerthanij28.0
6.0Biggerthanij21.0
Stainlesssteel(600N/mm
2
ᯙ3.0Biggerthanij28.0
Mildsteel(400N/mm
2
ᯙ
Useonesizebiggerstationtoolingforthickermaterial.CautioUseonesizebiggerstationtoolingforthickermaterial.Caution:punchheadmaybreakn:punchheadmaybreak
whenmorethanallowabletonnageisloadedtothepunch.whenmorethanallowabletonnageisloadedtothepunch.
ToolingsizeAirBlowtypeOriginaltype
Astation(1/2")45kN{4.5tonf}60kN{6.0tonf}
Bstation(11/4")160kN{16.0tonf}170kN{17.0tonf}
ToolingsizeAirBlowtypeOriginaltype
Astation(1/2")45kN{4.5tonf}60kN{6.0tonf}
Bstation(11/4")160kN{16.0tonf}170kN{17.0tonf}
ᦩᦩMaximumallowabletonnageMaximumallowabletonnage{convertedintopunchingtonnage}{convertedintopunchingtonnage}OriginalStyle
NEXStyleDanger