導(dǎo)體重量的計(jì)算 - 無(wú)圖版
victoryan --- 2011-03-01 14:53:24
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請(qǐng)問(wèn)哪位知道絞線導(dǎo)體重量的計(jì)算公式呀!
xujun1207 --- 2011-03-01 15:26:07
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jl172211 --- 2011-03-01 15:39:44
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銅導(dǎo)體:8.9乘以截面 鋁導(dǎo)體2.7乘以截面
火龍果 --- 2011-03-06 09:59:54
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BJG --- 2011-03-06 16:13:21
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tzx --- 2011-03-06 22:58:34
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Π/4*N*ρ
tzx --- 2011-03-06 23:01:12
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Π/4*d2*N*ρ剛才發(fā)掉了單線直徑,不好意思
jxcable --- 2011-03-27 17:49:18
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有專(zhuān)門(mén)的理論計(jì)算公式
dhs0928 --- 2011-06-16 15:52:26
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舉例說(shuō)明:
若線材規(guī)格是 28#(7/0.12)*4C L=1.5M 銅材質(zhì),計(jì)算如下:
(0.12mm/2)平方*3.14*7*4*8.9*10的3次方Kg/立方M*1.5M
suhongbo --- 2011-06-18 16:00:03
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P=3.142*d2* *n1 *n2*λ*ρ
d---導(dǎo)體直徑;
n1---導(dǎo)體根數(shù);
n2---芯線數(shù);
λ---絞入率;
ρ---導(dǎo)體密度。
wjwjjj --- 2011-06-23 17:22:56
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導(dǎo)體重量=截面積*長(zhǎng)度*密度*絞合系數(shù)
wendyhd --- 2011-06-28 20:03:05
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絞合系數(shù)一般是多少呢?
1187773927 --- 2011-07-04 10:43:03
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1.05
leily29 --- 2011-07-09 14:28:51
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沒(méi)什么實(shí)際用處
nhshls --- 2011-08-07 09:57:58
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guangxinan --- 2011-08-07 19:59:03
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江南 --- 2011-10-01 14:43:17
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-- 結(jié)束 --