2≧PCmin（punches・pilot punches）P・W dimensions alteration●Reduce the overall length“L”dimension of button diesRange of designation10≦LC＜L（headed button dies）8≦LC＜L（straight button dies）●Tip length B of punches with air hole is unchanged while the overall length“L”is reduced.Range of designation25＋B（C）≦LCX＜L（punches）●Reduce the head diameter・head width dimension Range of designationD≦HC＜H（punches・button dies・pilot punches fixed in stripper plate）0≦HC＜1.5（block punches）P≦HC＜H（straight pilot punches fixed in stripper plate）HHC2≦TC＜T（shoulder held punches）CPPCPCBBCBPBBLLLLPPPTTVCBCLLCLLCLCLXCLXCLCTCTCV●Alter the tip（shaped hole）“P・W”dimensions.Range of designationPC≧Pmin Table 4 Button dies Table 2 Pilot punchesBmax1522●Alter the tip（shaped hole）“B”dimension.Range of designation2≦BC≦Bmax Table 1,2,3,42≦BC≦B（punches with air hole）P・W234●Reduce the overall length“L”dimension of punches.Range of designation25＋B（C）≦LC＜L（punches・pilot punches） For LC＜35, D＋0.003 0 0●Reduce the head thickness“T”dimension・flange thickness“T”dimension.Range of designation2≦TC＜T●Alter“V”dimension.Range of designationD4〜6：V−0.5≦VC≦D−1.2D8〜 ：V−2 ≦VC≦D−1.2P≦VC 0.1598PunchesBlock punchesPilot punchesPunchesPunches with air holeButton diesPunchesPunches with air holeV30Super corpuscleWCW1.5HC Block punchesTable 3 Profile grinding punchesBmax 813203035TypeQuill punchesExcept for quill punchesPilot punchesPilot punches fixed in stripper plate Table 1,2,3,40.500〜0.8990.900〜1.1991.200〜 For LC＜50, T（C）≦20 For 32＜LC＜52, D＋0.003 0.01. 0.01. Fully tapered type can be 0.01.PCmin0.300 0.500 1.000 0.500Bmax 0.01.PRECISION Guide for Punches & Button Dies AdditionB dimension alterationL dimension alterationH dimension alterationT dimension alterationV dimension alterationAdd. For details, refer to the specific page please.Code@/PPCWC（Punches 200）（Carbide punches 1,200）（Carbide block punches 1,500）（Carbide pilot punches 1,200）PC≧1.800（punches with air hole）PC≧V×0.3≧1.000（block punches）WC≧H×0.15≧0.500（block punches）Unit of designation 0.001For quill punches, D≧1.6 is available.For punches with air hole, D≧5 is available.PC dimension alteration may shorten the tip（shaped hole） B dimension BC（Punches 200）（Carbide punches 2,000）（Carbide block punches 600）（Carbide button dies 2,800）Unit of designation 0.1For punches・pilot punches, the tip（shaped hole） length C≦L−25（except for air hole type）.For block punches・profile grinding punches, the tip（shaped hole） length BC≦L−30（except for air hole type）.PunchesTable 1 Pilot punches fixed in stripper plateBmax 4 6 813190.300〜0.4990.500〜0.7990.800〜0.9991.000〜1.9992.000〜LC（Punches 200）（Carbide punches 600）（Carbide block punches 600）40＜LC＜L（Standard type） 30＋B（C）≦LC＜L（block punches・profile grinding punches）LC＜L（punches with air hole）22＜LC＜52（pilot punches D≦2.5） 0.1→Combined with LKC・LKCZ can be Unit of designationFor punches・pilot punches, LC＜25＋B（C）→the tip length B＝LC−25（except for air hole type）.For standard type, LC≧B（C）＋T（C）＋10.For block punches・profile grinding punches, LC＜30＋B（C）→the tip length B＝LC−30（except for air hole type）.For punches with air hole, the tip length B・air hole length S are shortened according to（L−LC）.LC（Button dies 200）（Carbide button dies 600）Unit of designation 0.1→Combined with LKC・LKCZ can be For fully tapered type, press-in lead is shortened according to（L−LC）.LCX（Punches 200）（Carbide punches 600）（Carbide block punches 600）30＋B（C）≦LCX＜L（block punches）Unit of designation 0.1→Combined with LKC・LKCZ can be For punches, LC＜25＋B（C）→tip length B＝LC−25.For block punches, LC＜30＋B（C）→B＝LC−30.Flanged block punches are not available.HC（Steel 200）（Carbide 600）Unit of designation 0.1For double-flange block punches, alter the dimensions of 2 flanges.TC（Steel 200）（Carbide 600）Unit of designation 0.1 Fully tapered type can be L is shortened according to（T−TC）.When LC・LCX are applied, L is equal to L・LC・LCX of shoulder held punches・pilot punches fixed in stripper plate.For shoulder held punches, the overall length L（C）＜50, TC≦20.VC（Steel 400）（Carbide 1,200）Unit of designationSpec.1.000〜1.9992.000〜0.500〜0.9991.000〜1.9992.000〜2.9993.000〜4.9995.000〜 0.01 Dimension Alteration
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