绕包带宽计算公式

绕包带宽计算,,,,,,,,,,,,,,内护套厚度计算,,,,

1、重叠绕包计算,,,,,,,,,,,,,,缆芯假设直径,,内衬层近似值/mm,垫层加强mm,合计厚度

,绕包前缆芯直径D,16.59,,,电缆用纸带宽度参考（重叠）,,,铠装前直径mm,钢带厚度mm,钢带宽度mm,,,挤包,,≤25,1,0.5,1.5

,绕包节距h,42,,,绕包直径,带宽度,,d≤20,0.2,20,,,,＞25,≤26.6,1.2,0.5,1.7

,绕包带厚度t,0.25,,,2.0以下,5～7,,20.01～25,,25,,,,＞26.6,≤35,1.2,0.8,2

,间隙系数K,0.15,,,2.1～3.4,4～10,,25.01～30,,35,,,,＞35,≤45,1.4,0.8,2.2

,绕包角度α,38.45,,,3.5～4.4,7～13,,30.01～45,0.5,35,,,,＞45,≤60,1.6,0.8,2.4

,绕包带宽度mm,38.70,,,4.5～5.4,9～17,,45.01～70,,45,,,,＞60,≤80,1.8,0.8,2.6

,,,,,5.5～7.0,11～21,,d＞70,0.8,60,,,,＞80,,2,0.8,2.8

计算公式：b=π*(D+t)*sin（a*PI（）/180）/（1-K）,,,,,7.1～8.2,16～25,,,,,,,绕包,,≤25,0.4,0.5,0.9

,,,,,8.3～10.0,18～30,,,,,,,,＞25,≤40,0.4,0.8,1.2

2、间隙绕包计算,,,,,10.1～11.5,20～34,,,,,,,,＞40,,0.6,0.8,1.4

,绕包前缆芯直径D,12.42,,,11.6～12.5,24～37,,,,,,,,,,,,

,绕包节距h,30,,,12.6～20.0,26～50,,,,,,,假如挤包隔离套，公式为Ts=0.02Du+0.6,,,,,

,绕包带厚度t,0.500,,,20.1～30.0,41～75,,,,,,,不同线径下的隔离套厚度,,,,,

,间隙系数K,0.20,,,30.1以上,60～80,,,,,,,线径mm,隔离套厚度mm,最薄点mm,线径mm,隔离套厚度mm,最薄点mm

,绕包角度α,36.47,,,,,,,,,,,＜30,1.2,0.76,,,

,绕包带宽度mm,20.10,,,,,,,,,,,31,1.2,0.78,51,1.6,1.1

,,,,,,,,,,,,,32,1.2,0.79,52,1.6,1.11

计算公式：b=π*(D+t)*sin（a*PI（）/180）/（1+K）,,,,,,,,,,,,,33,1.3,0.81,53,1.7,1.13

,,,,,,,,,,,,,34,1.3,0.82,54,1.7,1.14

2、间隙绕包计算,,,,,,,,,,,,,35,1.3,0.84,55,1.7,1.16

,绕包前缆芯直径D0,16,,,,,,,,,,,36,1.3,0.86,56,1.7,1.18

,绕包带厚度t,0.5,,,,,,,,,,,37,1.3,0.87,57,1.7,1.19

,间隙系数K,0.5,,,,,,,,,,,38,1.4,0.89,58,1.8,1.21

,绕包角度sin360,0.587785,,,,1.846579478,,,,,,,39,1.4,0.9,59,1.8,1.22

,绕包带宽度mm,20.31237426,,,,1.231052985,,,,,,,40,1.4,0.92,60,1.8,1.24

,b=π(D0+t)sinα/(1+k),,,,,,,,,,,,41,1.4,0.94,61,1.8,1.26

,,,,,,,,,,,,,42,1.4,0.95,62,1.8,1.27

,,,,,,,,,,,,,43,1.5,0.97,63,1.9,1.29

,,,,,,,,,,,,,44,1.5,0.98,64,1.9,1.3

,,,,,,,,,,,,,45,1.5,1,65,1.9,1.32

,,,,,,,,,,,,,46,1.5,1.02,66,1.9,1.34

,,,,,,,,,,,,,47,1.5,1.03,67,1.9,1.35

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