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08技术信息
■示例:
按照铝型材的实际安装工况选择合适的公式进行变形量计算并进行简单校核。
2、两端支撑、受力:集中均布载荷。
1、铝型材一端固定、一端悬臂、受力:均布载荷。
3、铝型材两端固定、受力:集中载荷。
变形量决定因素 / 变形量公式选用
技术信息
适用公式 3、
设载荷 F=2000N, 型材为 AE40-4040-4,
L=300mm, 通过查询样本 P21 页得到
I=8.42(cm
4
),
弹性模量 E=69000N/mm²,
将数据代入公式:
快速校核 满足使用工况!
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
适用公式 5、
设载荷 F=3000N, 型材为 AE40-4040-4, L=300mm,
集中载荷长度 m=50mm,
通过查询样本 P21 页得到
I=8.42(cm
4
) ,
弹性模量 E=69000N/mm
2
,
将数据代入公式:
快速校核 满足使用工况!
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
适用公式 8、
设载荷 F=3000N, 型材为 AE40-4040-4,L=300mm,
通过查询样本 P21 页得到
I=8.42(cm
4
),
弹性模量 E=69000N/mm
2
,
将数据代入公式:
快速校核 满足使用工况!
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4
f
= F·L3
8E·I·104
f = = 1.19mm
0.27mm
0.074mm
f = 0.27 < L/200 =300/200
=1.5
f = 1.19 < L/200 =300/200
=1.5
f = 0.074 < L/200 =300/200
=1.5
2000 x 3003
8 x 6900 x 8.42 x 104
f
= F·L3
192E·I·104
f = = 3000 x 3003
192 x 6900 x 8.42 x 104
f
= F·L3 L
29m 48 ·E·I·104 ( ) +
f = = 3000x3003
300
29x50 ( ) 48 + x 6900 x 8.42 x 10
4