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08技術(shù)信息
■示例:
按照鋁型材的實(shí)際安裝工況選擇合適的公式進(jìn)行變形量計(jì)算并進(jìn)行簡單校核。
2、兩端支撐、受力:集中均布載荷。
1、鋁型材一端固定、一端懸臂、受力:均布載荷。
3、鋁型材兩端固定、受力:集中載荷。
變形量決定因素 / 變形量公式選用
技術(shù)信息
適用公式 3、
設(shè)載荷 F=2000N, 型材為 AE40-4040-4,
L=300mm, 通過查詢樣本 P21 頁得到
I=8.42(cm
4
),
彈性模量 E=69000N/mm2,
將數(shù)據(jù)代入公式:
快速校核 滿足使用工況!
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
適用公式 5、
設(shè)載荷 F=3000N, 型材為 AE40-4040-4, L=300mm,
集中載荷長度 m=50mm,
通過查詢樣本 P21 頁得到
I=8.42(cm
4
) ,
彈性模量 E=69000N/mm
2
,
將數(shù)據(jù)代入公式:
快速校核 滿足使用工況!
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
適用公式 8、
設(shè)載荷 F=3000N, 型材為 AE40-4040-4,L=300mm,
通過查詢樣本 P21 頁得到
I=8.42(cm
4
),
彈性模量 E=69000N/mm
2
,
將數(shù)據(jù)代入公式:
快速校核 滿足使用工況!
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