公差及間隙標准
模具零件公差及間隙
| 板件名稱 | 零件形式 | T>0.5(不含0.5) | 0.3<T<=0.5 | 0.1=<T<=0.3 | 備備注:1,表中的「Z」是指單邊沖裁間隙,參考沖裁間隙要求取值; 「T」是指沖裁的料片厚度.2,未特別註明的,都是指單邊間隙.3,間隙值被括弧括起來的是指間隙要在圖形中繪出來. 例Φ10固定銷孔的間隙(.01)±0 (雙面),繪出的圓實際大小應該是Φ10.01. | ||
| 間隙 | 公差 | 間隙 | 公差 | 間隙 | 公差 | ||
| 沖子外形 | +0 | ±0.01 | +0 | 0-0.005 | +0 | 0-0.005 | |
| 入子外形 | +0 | ±0.01 | +0 | ±0.003 | +0 | ±0.001 | |
| 入子孔 | C+0.01 | ±0.01 | +0 | ±0.005 | +0 | 0-0.005 | |
| 內導柱(導向部分) | +0 | -0.010-0.015 | +0 | -0.010-0.015 | +0 | 0-0.002 | |
| 導套 | 內孔 | +0 | +0.0050 | +0 | 0-0.006 | +0 | +0.005+0.003 |
| 外圓 | +0 | +0.015+0.005 | +0 | -0.001-0.008 | +0 | 0-0.01 | |
| 導正銷 | +0 | ±0.005 | +0 | +0.0050 | +0 | +0.0050 | |
| 固定銷孔 | (.01)±0 (雙面) | +0.010 | (.01)±0 (雙面) | +0.0050 | (.01)±0(雙面) | +0.0050 | |
| 固定定位銷孔 | (.01)±0 (雙面) | +0.010 | 與T>0.5的模具要求相同. | ||||
| 活動定位銷孔 | (.04)±0 (雙面) | +0.010 | |||||
| 滑塊孔 | C+0.03 | +0.010 | |||||
| 滑塊 | +0 | ±0.01 | |||||
| 案內消孔 | C+0.1 | ±0.01 | |||||
| 下模(公母模) | 沖孔、切邊、半剪 | C+Z | ±0.01 | C+Z | +0.0050 | C+Z | +0.0050 |
| 切邊部分擋刀直壁 | C+0.02 | +0.010 | +0 | +0.0050 | +0 | +0.0050 | |
| 導正銷逃孔 | (.20)±0 (雙面) | ±0.01 | C+0.05 | ±0.01 | C+0.05 | ±0.01 | |
| 內導柱孔(不用導套) | (.01)±0 (雙面) | +0.010 | +0 | 0-0.006 | C+0.003 | 0-0.002 | |
| 模板內導套孔 | (.01)±0 (雙面) | +0.010 | C+0.003 | ±0.002 | C+0.003 | 0-0.005 | |
| 下料母模外形 | +0 | ±0.01 | 與T>0.5的模具要求相同. | ||||
| 下料公模外形 | C-Z | ±0.01 | |||||
| 沖孔母模外形 | C+Z | ±0.01 | |||||
| 沖孔公模外形 | +0 | ±0.01 | |||||
| 打板 | 一般沖子導向孔 | C+0.015 | +0.010-0.005 | C+0.005 | +0.0050 | C+0.005 | +0.0050 |
| 內導柱孔(不用導套) | (.01)±0 (雙面) | +0.010 | +0 | 0-0.006 | C+0.003 | 0-0.002 | |
| 打板內導套孔 | (.01)±0 (雙面) | +0.010 | C+0.003 | ±0.002 | C+0.003 | 0-0.005 | |
| 成形模內打外形 | C-0.1 | ±0.01 | 與T>0.5的模具要求相同. | ||||
| 沖孔落料複合模不共用內打外形 | -0.03 | ±0.01 | |||||
| 沖孔落料複合模共用內打外形 | |||||||
| 沖孔落料複合模不共用外打外形 | -Z+0.03 | ±0.01 | |||||
| 夾板 | 沖子固定孔 | C+0.02 | ±0.01 | C+0.01 | +0.010 | C+0.01 | +0.010 |
| 導正銷固定孔 | C+0.01 | +0.010 | C+0.01 | +0.010 | C+0.01 | +0.010 | |
| 內導柱孔(不用導套) | (.01)±0 (雙面) | +0.010 | (.01)±0 (雙面) | ±0.005 | +0 | ±0.005 | |
| 打背打墊 | 沖子及導柱消孔 | +1(設計定) | +0.10 | 與T>0.5的模具要求相同. | |||
| 內打背外形 | -1(設計定) | +0.10 | |||||
| 下墊 | 落料孔 | +1(設計定) | +0.1 0 | ||||
| 下模座 | 落料孔 | +1.5(設計定) | +0.50 |
附表二: <<沖裁間隙一覽表>>
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| I. 「CRS/GI/不銹鋼」料 | |||||||
| 料厚T材質 | T≦0.5 | 0.5<T≦3.0 | T>3.0 | ||||
| CRS | 工程模和連續模:一律取5%T | 請示上級 | |||||
| GI/不銹鋼 | 7%T | 工程模:一律取7%T | |||||
| 連續模:一律取10%T | |||||||
| II. 「鋁」料 | |||||||
| 料厚T材質 | T≦0.5 | 0.5<T<1.0 | 1.0≦T≦1.5 | 1.5<T<3.0 | T≧3.0 | ||
| 鋁 | 請示上級 | 5%T | 4%T | 3%T | 2%T | ||
注: 1.上表所列間隙值均是指單邊沖裁間隙Z.