K/2K/2K/22P2P2P2/W2/W2PSASAARR2−S）B（2−（S）W●（WーA）/2≧0.5●P＞（W/2＋S）2－（A/2＋S）2＋A/2＋W/2●B≧0.5（B） is the dimension of Q before processing●K＝2（P－W/2）W●P＞B＋R＋S●W＞A＋R＋S●K＝（P－2R）2＋（W－2R）2＋2R●K＝PProcessing limit ① ❸ ❹ ❺ ❼Processing limit ❹ ❺ ❼28KBW●（WーA）/2≧0.5●P＞W＋2（S＋R）●W＞A●A＞B●（WーA）/2≧0.5●P＞2（W/2＋S）2－（A/2＋S）2＋A●P≦2（W/2＋S）2－（R＋S）2＋2R●K/2＝（P－2R）2＋（A－2R）2＋2RProcessing limit ❸ ❹ ❺ ❼●K＝PProcessing limit ❹ ❺ ❼●S－R≧2 ●A≦90°●S or R≦50Processing limit ❸（S－R）❹ ❺ ❼Processing limit ❸ ❹ ❺ ❼Processing Limit of Punch Guide Bushings・Button Dies≦24●S＝P2－4PR＋W24（W－2R）●P＞B＋W－A●A＞2S●K→refer to following formulaeProcessing limit ② ❸ ❹ ❺ ❼●K＝（P－2R）2＋（W－2R）2＋2R●K＝（P－2R）2＋（W－2R）2＋2R●K＝P13K10K●P＞W●W＞A≧0.5 ●（WーA）/2≧0.5●W＞A＋2（R＋S）●K＝P2＋A2Processing limit ❶ ❸ ❹ ❺ ❼Processing limit ① ② ❸ ❹ ❺ ❼Processing limit ② ❸ ❹ ❺ ❼Processing limit ❹ ❺9K●K＝1.1547（P－2R）＋2RProcessing limit ❹ ❺8K4＋SW●P＞B＋R＋SW●P＞B＋S＋A/2●P＞（W/2＋S）2－（A/2＋S）2＋A/2＋W/2●K＝P●（WーA）/2≧0.5K2A●P＞B＋R＋S●W＞A＋R＋S●P＞B＋2（R＋S）●W＞A＋2（R＋S）●K1＝（P－2R）2＋（A－2R）2＋2R●P＞B＋4R●P＞W●K2＝（W－2R）2＋（B－2R）2＋2R●W＞A＋2（R＋S）●W＞A≧0.5 ●（WーA）/2≧0.5●W＞A ●（WーA）/2≧0.5 K1＞K2→K＝K1、K1＜K2→K＝K2●K＝（P－2R）2＋（W－2R）2＋2R●K＝（P－2R）2＋（W－2R）2＋2R●K＝P2＋A2Processing limit ❶ ❸ ❹ ❺ ❼Processing limit ❶ ❸ ❹ ❺ ❼Processing limit ① ❸ ❹ ❺ ❼Processing limit ② ❸ ❹ ❺ ❼Processing limit ① ❸ ❹ ❺ ❼21K Shape of button dies: symmetrical22K23K●P＞W●K＝P●P＞B＋C ●W＞A ●B＞QBS●P＞W ●（WーA）/2≧0.5●K＝2（P－W/2）2＋（A/2）2●C＞R＋S ●K＝P2＋W2Processing limit ❶ ❸ ❹ ❺ ❼Processing limit ① ❸ ❹ ❺ ❼Processing limit ❸ ❹ ❺ ❼29K （Oval）●P≦（W/2＋S）2－（R＋S）2＋R＋W/2●W＞A≧0.5●R＜W/2WFor P/2＜RK＝2（－）2＋（A/2－C）2＋2C●P＞W＋C＋S＝R－P/2●（WーA）/2≧0.5●R≧W/2＝（R－C）2ー（A/2－C）2●K→※refer to following formulaeFor P/2≧RProcessing limit ❸ ❹ ❺ ❼K＝P/23L Shape of button dies: symmetrical4L with R0.2 or less.●a≧1.0●T≧1.0●P＞W＋0.1●K＝PProcessing limit ❹5LPWAAAKPKK/2P/WPBPBWAP/WAAAPBWP/WK/2PBAAAPKPWWK1WKKSPBWWAAAAPWK/2PCPAWAWKSPPBAABSRP/RPAWRARAAK/2PPPPKWWW2aT ii seD nottuB&sehcnuP depahS lacepSPBPBAA6−R2−R2−S2−S5−R2−C2−S（S−R）/2●（WーA）/2≧0.5●P＞W＋2（S＋R） ●W＞A●K＝（P－2R）2＋（A－2R）2＋2R●K＝P●ℓ≧1.02−S2−S4−R4−S4−RInternal chamfering S0.2≦S≦406−R2−S2−R8−R4−S8−R4−Q●S－R≧2 ●A≦90sin A●S or R≦50Processing limit ❸（S－R）❹ ❺ ❼ ●0≦B≦2.007L4−SExternal chamfering R0.2≦R≦402−R6−R●P＞B＋R＋S ●W＞A＋4R●A＞2S2−S4−S2−R2−SK/22−S（S−R）/2（S−R）/2In order to keep symmetrical clearance between punch guide bushings・button dies and punches, designate datum mark B of angle AB＝Clearance （single side）4−Q4−Q2−R4−S4−R4−S5−R2−Q（Punches）（Punch guide bushings）（Button dies） Unit of designationDimension tolerance P±0.01W±0.01A±0.01B±0.01C±0.01QRSC（R part）A（Degree）Processing limit ❸ ❹ ❺ ❼ Unit of designation0.010.1For R≦｛（W－A）｝/4K＝（P－ 2R）2＋（W－2R）2＋2R Undesignated corner will be chamfered 543●（WーA）/2≧0.5 ●A＞2R●P＞ （W/2＋S）²ー（A/2＋S）²＋R＋W/2＋0.5●W＞A＋2（R＋S）●K＝（P－2R）2＋（A－2R）2＋2R●K＝（P－2R）2＋（W－2R）2＋2RFor R＞｛（W－A）｝/4Processing limit ① ❸ ❹ ❺ ❼Processing limit ① ❸ ❹ ❺ ❼K＝［P－2｛（W－A）/4｝］2＋［W－2｛（W－A）/4｝］2＋2｛（W－ A）/4｝Processing limit ① ❸ ❹ ❺ ❼20K Shape of button dies: symmetrical14K The following shapes of punches （punch guide bushings・button dies ） are tip side views. The centre of the following tip shapes are coaxial with the shank of punches・button dies （except for straight punches）.18J3K15K4K17K5K18K25K2L（S−R）/26K27K8L
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