钣金工艺规范及折弯及模具手册

X册介1.1材料材料:板SPCC板SPHC板SECC铝板及铝合金板AL1050、不锈钢板SUS304、覆锌钢板.1.2典型钣金件加工流程图面展开--编---料（剪冲、割冲网平-拉丝冲凸包压铆-折弯焊接-立拉表处装下料

数冲数控床，材厚加工围：冷扎板、热扎板小或于3.0mm；铝小于等于.0mm；不钢于.0mm。冲孔最小寸求冲最尺与孔的形、料械性和料度有关为材料厚度，冲孔尺寸一般不小.5t。遇特殊情况，可参照下表：图.1.1冲形例料

孔直

矩形孔短边不锈钢1.3t1.0t冷扎板热板1.0t0.7t铝、铜0.8t0.5t*t材料厚度，冲孔最小尺般于1.2mm。冲孔小尺列2.1.2数冲的孔间距与孔边距1/49零件的孔边缘离外形最小距离随零件与的形状不同有定的限制，图2.1.2。当冲孔边与零外边缘不平行小应于厚t行时不1.5t。（1.4）图2.1.2裁件孔边距、孔间距示意图2.1.3折件及拉深件不可选用数冲下料，可选用二次激光切割。2.1.4钉螺栓的过孔和沉头座螺螺过孔和沉头的构尺寸按下表选取螺的头座，如果材太薄难以同时保证过孔d2和沉D，应优先保证过孔d2。用螺钉、螺栓的过孔*要求钣厚度≥h。用于沉头螺钉沉头座过孔2/49*8.0mm4.0mm5.0mm.,0.5t()况下太按（3.2.1：＞2t>2.5mmt2＞h（图）图3.2.1值特如需h≤2t,首先好需尺寸(可采二次者)在浅槽图3/492图1.122图1.12）t＜h压(图）图3.2.2特殊情况下的直高度要求弯边侧边有斜角的直边度当弯边边带有斜角的曲件时（图3.2.3，的高：h=（2～4t＞2.5mm图3.2.3边侧边带有斜角的直边高度折件上的孔边距孔边距：先冲孔后折弯孔位置应处于曲变形区外避曲产。至弯边距见表如遇殊情况孔边距小于下表尺，可采先孔，折后钻孔或在投影折弯线的置割，弯后焊接磨。4/49折弯上的边距局部弯曲的工艺切口折弯件的弯曲线应避开尺寸突变的位置局部弯某一段边缘时了防止尖角处应力集中产生弯裂可弯线移动一定距以离开寸变（3.4.1.a)，或工槽（3.4.1.孔图3.4.1.1.c)。注图中的尺寸要求：S≥R；槽k；槽深≥t+R+k/2。工孔图3.4.1局部的处法

L图）当位于折弯变形区内，所采取的切口形式当孔折弯形内时，采用切口式例（3.4.2）；者在孔投影于弯曲线的位置5/49割线或者切口，弯后可根据需要接磨平。线线图3.4.2切形例

图带斜的折边应避开变形区也可用在形区域对应位置割线，折弯后可根据要焊接磨平。图带斜折应变区反压死边的设计要求压死的边度材的度有。下所，般边小长L。其t材料壁厚R死道（图示最折径。图3.6死边小度折弯6/49

加筋在状属件上压筋有于加结刚，强筋结构其寸择参表。加筋结构及尺寸选择打凸间距和凸边的极限尺寸打凸间距和凸边的极限尺寸按下公式计。当D≤16mm时：≥2tL-1/2D当D≥16mm时：根据际情结生产确定，选用数冲或者简冷冲模加百叶窗百叶窗常用于各种罩或机壳上起通风散作用型法是借凸的边口将料切开，凸模的其余部将材料同时作拉伸形，形成一边口的起伏形。百叶窗典型结构参见图.3。7/49图4.3百百叶尺寸求≥4t≥6t≤5t≥≥尺寸以生要为，可择数冲或者通冷冲加工4.4孔翻边孔翻型式多本规X只关注要加螺纹的内孔翻边如图4.4所具体的翻边尺寸的具体数参看6图4.4带螺图螺

材料厚t

翻边内

翻边外

凸缘高

预冲孔直径D

凸缘圆半R8/490.8

3.381.60.63.251.61

3.381.8

0.5M3

3.521.2

3.381.9223.51.5

0.61.53.52.41.70.751

4.4620.54.351.922.71.2

4.52.3

0.6M4

4.652.41.5

4.462.44.652.7

0.7524.562.22.411.2

5.62.430.65.462.41.5

5.62.73

0.75M5

5.7532

5.533.25.753.6

12.55.7543.11.251.5

7.030.756.73.24.22

7.03.63.6

1M6

5.1

7.342.5

7.047.34.53

1.2537.04.83.41.5带螺纹孔的内翻边尺参9/49钣金联接要采用接、螺纹接、铆接和粘接我用接式:焊接、螺纹接和铆.5.1焊接焊接对件行部整加热使件生性形或热与性形时行实现久连接的工艺方.可为工焊气保电焊激焊气焊段和触焊我司主采用气体保护焊和接触.5.1.1.1体保电弧焊弧焊时电极电区及焊接熔池都保体护.采用氩气保护焊缝表面没有化物及夹杂.以何位焊可用肉眼观察焊的成形过程并进行调整生效率.二氧气体保护则成本当.5.1.1.2接触接触焊瞬加热连部在熔化态或非熔化态下被件加压形成接它可为焊、点和焊5.2螺纹联接联接具有安装容易、拆卸方便、操作简单等优,常可钢连它分为螺联接和螺栓联接.5.3铆是铆将属构零或组件接一的方种多我司常用的铆有封闭形圆头抽铆钉封闭形头芯钉开口型圆头抽芯铆钉、开口型沉头抽芯铆钉钉可以下式L=0.8d+1.1t铆t

5.4用接将连接件接在一起的一连接方法

1.

2.、、主要光、和4.电主要、、、5.光6.氧1.下

、激光、成形和焊接氩弧焊、二氧化保护焊、点焊、焊4.面处、体、光、5.调形10/49册力本表中数是在°料抗拉δ，弯长度为1m基础上计算的结果。V6816182024326080100120130140150160180190200230260b4.558.53557718592100105r11.21.62.52.83.55.569.5101215.521233032360.52.50.84.81.01.2129715128169.526223024161431534725614536348.088696547361012161820

47120907165501401259571148135125958014013012090内径R等于凹模口宽度的自由折建议凹模开口度材料度t)0.5~2.5mm3~8mm9~10mm>12mm凹模开宽(V)6×t8××t12×t折弯铝Alu

δbMPa（）0.65（）

0.65不锈钢S.S

δbMPa（）1.6（）折弯力吨计公式（参考）

1.6表65

×

t

/）11/49上普于上于上机快上美上12/49上过装上上装

NSCLⅡTopwithSafetyClick13/49下1V插1V可下口2V快

多V插下口多下模14/49下多V工作台式

下多模机下

液压夹作台适用于下模快速安装

ⅡOZUtool15/49标准上上式柄上分式16/49标准模85°10.10010.10110.10210.10310.10410.105Tons:100t/m10.10610.10710.108Tons:50t/m17/49标准模85°10.109Tons:40t/m10.114Tons:40t/mTons:50t/m10.11718/49标准模85°10.11910.120Tons:80t/mTons:50t/m标准模88°10.13010.13110.132Tons:60t/m10.13310.13410.13519/49标准模88°10.13610.13710.138Tons:45t/m10.13910.14010.141Tons:50t/m10.14210.14310.144Tons:20t/m20/49标准模90°10.15010.15110.152Tons:80t/m10.15310.15410.155Tons:20t/mTons:60t/m10.15610.15710.158Tons:20t/m21/49标准模60°10.17010.17110.172Tons:80t/mTons:100t/mTons:40t/m22/49标准模30°10.19010.19110.192Tons:80t/mTons:90t/m10.19310.19410.195Tons:100t/m10.197Tons:160t/m23/49准R10.21010.211Tons:100t/m10.21310.21410.215Tons:80t/m10.21610.21710.218Tons:80t/mTons:80t/m24/49准R10.21910.221Tons:80t/mTons:80t/m10.222Tons:80t/m10.230Tons:80t/mRmm10.231R3R5.55.510.232R3.53.5R6610.233R44R6.56.510.234R4.54.5R7710.235R55R7.57.525/49标准圆模10.24010.241Tons:100t/mTons:100t/m分段方式RmmRmmR88R2020R1010R252512.5R3030R1515R353517.5R404026/49复平具10.250+20.13410.251+20.13510.252+20.13680t/m50t/mABsmm

Amm

t/m

t/m

smm

Amm

t/m

t/m3.09151.223353.012201.632503.515252.040603.5172650804.622383.063955.530504.08013027/49复平具10.26010.26110.262Tons:60t/mTons:60t/m10.26310.26410.265Tons:100t/msmm

Amm

t/m

t/m

smm

Amm

t/m

t/m3.09151.223353.012201.632503.515252.040603.5172650804.622383.063955.530504.0801306.5555.0908.0706.028/49准10.27010.271Tons:100t/mZ

B

s

t/mZ11Z160Z22Z140Z33Z90Z44Z90Z55Z90Z66Z90Z77Z90Z88

22Z

B

s

t/mZ99ZZZ29/49

333上刀附10.30010.30110.302Tons:100t/m10.30310.30410.305Tons:100t/mTons:100t/m

特殊折弯方式30/49下20.10020.10120.102Tons:40t/mTons:50t/m20.10320.10420.105Tons:80t/mTons:85t/m20.10620.10720.108Tons:100t/m31/49下20.10920.11020.111Tons:100t/m20.12120.12220.12320.124Tons:55t/m32/49下20.12520.12620.127Tons:40t/m20.12820.12920.130Tons:55t/mTons:55t/m20.13120.13220.133Tons:50t/mTons:50t/m33/49下20.14020.14120.142Tons:95t/mTons:95t/m20.14320.14420.145Tons:95t/mTons:95t/m20.14620.14720.148Tons:95t/mTons:95t/m34/49下20.16020.161Tons:65t/mTons:70t/m20.16420.16520.166Tons:70t/m20.16720.16820.169Tons:65t/mTons:70t/m35/49下20.17020.17120.172Tons:70t/mTons:70t/m分段方式特殊下模

20.180Vmm

20.181320.182420.183520.184620.185820.1861036/49下20.22020.221Tons:80t/mTons:80t/m20.22320.22420.230Tons:80t/m20.23120.23220.233Tons:100t/m37/49下20.23420.23520.236Tons:100t/m20.238Tons:100t/m20.25120.252Tons:80t/mTons:80t/m38/49下20.30020.30120.302Tons:80t/mTons:80t/m20.30320.30420.305Tons:100t/m20.307Tons:60t/mTons:100t/m39/49下20.32020.32120.322Tons:100t/m20.324Tons:100t/m20.341Tons:60t/mTons:60t/m40/49下T660.4100T880.5100T100.8T12T16T20330T25335TR662.7514TR882.7514TR10102.7518T660.560T880.860T100.860T120.860T16T2033060T2533560TR6660TR8860TR10102.7518TR12122.7518VmSmVmRmSmmVmRmT66T66T660.8T881T8811635T881T11.250T1040T10101.2T11.650T1240T12121.6T12650T161633045T23T2033550T23T253405041/49下T660.4100T880.5100T100.8T12T16T20330T25335TR662.7514TR882.7514TR10102.7518T660.560T880.860T100.860T120.8