d／2＋1≦SKF＜D／2（button dies）50D−2×HRC≧P＋0.2h1D 6 81013162025ー0.01ー0.01 Drawing 1 K（angle of blanking hole）≦5 （K=tan−1｛（ANC−P）／2（L−B）｝） Drawing 1 Drawing 2 B≦（P−0.6）／tanK （Round） B≦（W−0.6）／tanK （Special shaped） Drawing 2 0.1 Drawing 2P・WK（angle of blanking hole）AN（standard dimension of blanking hole）ANC（designated dimension of blanking hole）3〜 56〜25Gh.dd121BLBWPPiiseD nottuB edbraC00 ーMKTip R chamferingRetaining processingKey flat cutting on the shankBlanking hole dimension alterationSlanted grooves additionHRC±0.11.6SKC 0ー0.01＝D/2ー1SKF 0SKF 0ANC±0.1120°90°15050Drawing 2Table 1TP 501500.6 or moreShapeWire1.5 Drawing 3803Add.Code@/PHRC（1,800）●Chamfer R around the outer tip periphery of button dies.Range of designation0.3≦HRC≦1.0Unit of designation 0.1KM（1,200）●Add a key groove to retain straight button dies.Range of designation5≦KM＜LUnit of designation 0.1The processing position is opposite to the flat.D≧6 is available.Combined with WKC is not available.SKC（1,200）●Add a flat cutting on the shankRange of applicationD≧6 L≧20Headed type is available only.Combined with KC・WKC・CKC・WKF・NKC・SKF are not available.SKF（2,400）●Add a designated flat cutting on the shankRange of designationP・Kmax／2＋1.2≦SKF＜D／2（angular type）Range of applicationD≧6・L≧20Unit of designation 0.1SKF is the dimension between centre and flat cutting.Combined with KC・WKC・SKC・CKC・NKC・WKF are not available.Express is not available.ANC（600）●Alter the blanking hole of angular button dies according to designated dimension.Range of designationAN＜ANC≦P＋4≦Pmax （AN＝P＋（L−B）／TP） Unit of designationAccording to standard taper （ Table 1）, alter the blanking hole from AN to ANC within the range of PCmax.Angle（K）of blanking hole is 5°max.The distance between shaped hole length B and wire is 0.6mm min. For special shaped hole, entire processing was applied according to the blanking hole angle K calculated from P dimension and ANC dimension. Drawing 3Drawing 1PSRC（1,800）●Add slanted grooves（N）.Range of designation4≦N≦6Processing position 360°／N.For round type, P≧4.00 is available.For N＝4, refer to left drawing.Spec. Shape Alteration
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