冲压件结构设计(弯曲半径)
弯曲最小半径
材 料 | 退火、正火状态 | 硬化状态 | |||
弯 曲 线 方 向 | |||||
与轧制方向垂直 | 与轧制方向平行 | 与轧制方向垂直 | 与轧制方向平行 | ||
05,08F | 0 | 0.2t | 0.2t | 0.5t | |
08,10,Q195,Q215 | 0 | 0.4t | 0.4t | 0.8t | |
15,20,Q235 | 0.1t | 0.5t | 0.5t | 1.0t | |
25,30,Q255 | 0.2t | 0.6t | 0.6t | 1.2t | |
35,40 | 0.3t | 0.8t | 0.8t | 1.5t | |
45,50 | 0.5t | 1.0t | 1.0t | 1.7t | |
55,60 | 0.7t | 1.3t | 1.3t | 2.0t | |
T10,T10A | 1.2t | 2.6t | 2.0t | 3.0t | |
L4 | 0 | 0.2t | 0.3t | 0.8t | |
LY9,LY12(软) | 0.5t | 1.0t | 1.5t | 2.5t | |
LY12,LC9 | 2.0t | 3.0t | 3.0t | 4.0t | |
T1,T2,T3 | 0 | 0.2t | 1.0t | 2.0t | |
H68 | 0 | 0.5t | 2.0t | 12t | |
MB1 | 室温 | 7t | 9t | 13t | 18 |
300℃ | 2t | 3t | — | — | |
MB8 | 室温 | 5t | 8t | 10t | 15t |
300℃ | 2t | 3t | — | — | |
TA2 | 室温 | 3t | 5t | — | — |
200~370℃ | 0.5t | 1.0t |
铝 管 | 紫 铜 与 黄 铜 管 | 硬 聚 氯 乙 烯 管 | 焊 接 钢 管 | 无 缝 钢 管 | |||||||||||||
管径 D | 壁厚 t | 弯曲 半径 R | 管径 D | 壁厚 t | 弯曲 半径 R | 管径 D | 壁厚 t | 弯曲 半径 R | 管径 D | 壁厚 t | 弯曲 半径 R | 管径 D | 壁厚 t | 弯曲 半径 R | 管径 D | 壁厚 t | 弯曲 半径 R |
6 | 1 | 10 | 5 | 1 | 10 | 12.5 | 2.25 | 30 | 13.5 | 80 | 6 | 1 | 15 | 57 | 3.5 | 110 | |
8 | 1 | 15 | 6 | 1 | 10 | 15 | 2.25 | 45 | 17 | 100 | 8 | 1 | 15 | 57 | 4 | 150 | |
10 | 1 | 15 | 7 | 1 | 15 | 25 | 2 | 60 | 21.25 | 2.75 | 130 | 10 | 1.5 | 20 | 76 | 4 | 180 |
12 | 1 | 20 | 8 | 1 | 15 | 25 | 2 | 80 | 26.75 | 2.75 | 160 | 12 | 1.5 | 25 | 89 | 4 | 220 |
14 | 1 | 20 | 10 | 1 | 15 | 32 | 3 | 110 | 33.5 | 3.25 | 200 | 14 | 1.5 | 30 | 108 | 4 | 270 |
16 | 1.5 | 30 | 12 | 1 | 20 | 40 | 3.5 | 150 | 42.25 | 3.25 | 250 | 14 | 3 | 18 | 133 | 4 | 340 |
20 | 1.5 | 30 | 14 | 1 | 20 | 51 | 4 | 180 | 48 | 3.5 | 290 | 16 | 1.5 | 30 | 159 | 4.5 | 450 |
25 | 1.5 | 50 | 15 | 1 | 30 | 65 | 4.5 | 240 | 60 | 3.5 | 360 | 18 | 1.5 | 40 | 159 | 6 | 420 |
30 | 1.5 | 60 | 16 | 1.5 | 30 | 76 | 5 | 330 | 75.5 | 3.75 | 450 | 18 | 3 | 28 | 194 | 6 | 500 |
40 | 1.5 | 80 | 18 | 1.5 | 30 | 90 | 6 | 400 | 88.5 | 4 | 530 | 20 | 1.5 | 40 | 219 | 6 | 500 |
50 | 2 | 100 | 20 | 1.5 | 30 | 114 | 7 | 500 | 114 | 4 | 680 | 22 | 3 | 50 | 245 | 6 | 600 |
60 | 2 | 125 | 24 | 1.5 | 40 | 140 | 8 | 600 | 25 | 3 | 50 | 273 | 8 | 700 | |||
25 | 1.5 | 40 | 166 | 8 | 800 | 32 | 3 | 60 | 325 | 8 | 800 | ||||||
28 | 1.5 | 50 | 32 | 3.5 | 60 | 371 | 10 | 900 | |||||||||
35 | 1.5 | 60 | 38 | 3 | 80 | 426 | 10 | 1000 | |||||||||
45 | 1.5 | 80 | 38 | 3.5 | 70 | ||||||||||||
55 | 2 | 100 | 45 | 3.5 | 90 | ||||||||||||
45.5 | 3 | 100 |
弯曲种类 | 简 图 | 推荐尺寸 | |||||||||||||||
圆 钢 弯 曲 | d | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 25 | 28 | 30 | |||||
r(最小) | 4 | 6 | 8 | 10 | 12 | 15 | |||||||||||
r(一般) | =d | ||||||||||||||||
圆 钢 弯 小 钩 | α=45°或75° l=3d D=2d;其尺寸最好从下列尺寸系列中选择:8,10,12,14,16,18,20,22,24,28,32,36,40 mm | ||||||||||||||||
圆 钢 弯 钩 环 | d | D | c(小于) | R | l | ||||||||||||
6 | 8~14 | 6 | 5~8 | 14~26 | |||||||||||||
8 | 10~18 | 6 | 5~10 | 27~36 | |||||||||||||
10 | 10~20 | 8 | 5~10 | 30~40 | |||||||||||||
12 | 12~24 | 10 | 5~12 | 36~48 | |||||||||||||
14 | 12~28 | 12 | 8~15 | 40~56 | |||||||||||||
16 | 16~32 | 16 | 8~15 | 48~64 | |||||||||||||
18 | 18~36 | 20 | 10~20 | 54~72 | |||||||||||||
直径D由下列尺寸系列中选择:8,10,12,14,16,18,20,22,24,28,32, 36 mm 半径R在5,8,10,12,15,20 mm各数值选择,应略等于D/2 | |||||||||||||||||
简 图 | 弯曲角α | ||
7°~30° | 40°~60° | 70°~90° | |
R=150 | R=100 | R=50 | |
R=50 | R=30 | R=15 |