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发布时间: 2022-11-12

为什么拖链电缆绝缘层会被击穿?

  拖(tuo)链电缆是一种高(gao)柔性专(zhuan)用(yong)(yong)电缆,可以随拖(tuo)链来回(hui)移动,不(bu)易(yi)磨(mo)损。由于其良好的抗拉性、强度和柔韧性,应用(yong)(yong)广泛(fan)。但即便如此,在某(mou)些情况下,拖(tuo)链电缆的绝缘(yuan)层仍然会被击穿,易(yi)初电缆将为(wei)您分析(xi)击穿的原因(yin)和对(dui)策(ce)!  一、过电压被击穿。  绝缘(yuan)层因(yin)大气过电压或内部(bu)过电压而被击穿,特(te)别(bie)是系统内部(bu)过电压会导致多根电缆...

发布时间: 2022-11-11

高柔性添加电缆屏蔽有什么意义?

  众所周知,屏(ping)蔽(bi)(bi)电(dian)(dian)缆(lan)(lan)(lan)和非屏(ping)蔽(bi)(bi)电(dian)(dian)缆(lan)(lan)(lan)还是(shi)有很大区别的(de)。显然,屏(ping)蔽(bi)(bi)和抗信号干(gan)扰(rao)(rao)效果更好。柔性电(dian)(dian)缆(lan)(lan)(lan)屏(ping)蔽(bi)(bi)有什(shen)么好处?  屏(ping)蔽(bi)(bi)电(dian)(dian)缆(lan)(lan)(lan)是(shi)一种在电(dian)(dian)缆(lan)(lan)(lan)周围屏(ping)蔽(bi)(bi)绝(jue)(jue)缘以减(jian)少电(dian)(dian)磁干(gan)扰(rao)(rao)(EMI)的(de)特殊电(dian)(dian)缆(lan)(lan)(lan),可以使外(wai)部电(dian)(dian)磁辐(fu)射和磁场辐(fu)射直接进入地(di)面而(er)不(bu)干(gan)扰(rao)(rao)内(nei)部电(dian)(dian)线。普通(tong)屏(ping)蔽(bi)(bi)电(dian)(dian)缆(lan)(lan)(lan)的(de)屏(ping)蔽(bi)(bi)层由(you)镀锡铜编织成(cheng)(cheng)网(wang)状,覆盖(gai)导体绝(jue)(jue)缘形成(cheng)(cheng)屏(ping)蔽(bi)(bi),...

机器(qi)人电缆(lan)(lan)的(de)设计和(he)制造(zao)大多接(jie)近常规(gui)电缆(lan)(lan),不同(tong)的(de)是导(dao)体(ti)材料(liao)的(de)柔韧性、绝缘材料(liao)的(de)抗拉老化、线芯的(de)组合、辅(fu)助(zhu)材料(liao)的(de)搭配、缠绕或内护(hu)(hu)套的(de)保护(hu)(hu)、屏蔽(bi)和(he)外(wai)护(hu)(hu)套的(de)材料(liao)和(he)要求,这(zhei)些(xie)都不同(tong)于常规(gui)电缆(lan)(lan),而且由于高速运(yun)动电缆(lan)(lan)的(de)整体(ti)要求相当严格...

发布时间: 2022-11-09

拖链电缆弯曲半径由什么决定?

  给大(da)家分析下拖(tuo)链电(dian)(dian)(dian)缆外径(jing)的(de)讲究。拖(tuo)链电(dian)(dian)(dian)缆不管是固定(ding)安装还是移动安装都需要(yao)(yao)考虑最小弯(wan)(wan)曲(qu)半径(jing),有(you)的(de)要(yao)(yao)求是电(dian)(dian)(dian)缆的(de)7.5D,有(you)的(de)要(yao)(yao)求8D,有(you)的(de)要(yao)(yao)求10D,那么电(dian)(dian)(dian)缆弯(wan)(wan)曲(qu)半径(jing)由什么决(jue)定(ding)呢?  电(dian)(dian)(dian)缆弯(wan)(wan)曲(qu)对材料会(hui)(hui)有(you)损伤,如果弯(wan)(wan)曲(qu)幅度过大(da)的(de)话可(ke)能会(hui)(hui)造成不可(ke)恢(hui)复(fu)的(de)损伤,那样电(dian)(dian)(dian)缆再运动就可(ke)能就会(hui)(hui)断芯了。所以拖(tuo)链电(dian)(dian)(dian)缆的(de)...

发布时间: 2022-11-08

拖链电缆为何使用镀锡铜丝?

解剖过(guo)拖(tuo)链(lian)(lian)电缆的(de)人可能(neng)知道(dao)拖(tuo)链(lian)(lian)电缆的(de)导(dao)体有(you)黄色(se)和(he)银(yin)(yin)色(se)。事实(shi)上,拖(tuo)链(lian)(lian)电缆的(de)导(dao)体大多是(shi)铜,铜的(de)颜(yan)色(se)是(shi)黄色(se)。然而,由(you)于需要丝(si)表(biao)面镀(du)(du)一(yi)层锡,铜丝(si)看起来是(shi)银(yin)(yin)色(se),当然也有(you)镀(du)(du)银(yin)(yin)铜丝(si),但就拖(tuo)链(lian)(lian)电缆而言,99.99%是(shi)镀(du)(du)锡而不是(shi)镀(du)(du)银(yin)(yin)。...

拖(tuo)(tuo)(tuo)链电(dian)缆根(gen)据(ju)使用环(huan)境的(de)不同(tong)绝(jue)缘层的(de)材料和外(wai)(wai)(wai)护套的(de)材料不同(tong)。那些不便宜的(de)拖(tuo)(tuo)(tuo)链电(dian)缆往(wang)往(wang)用于室外(wai)(wai)(wai)或环(huan)境恶劣的(de)场(chang)合。这种拖(tuo)(tuo)(tuo)链电(dian)缆的(de)外(wai)(wai)(wai)护套采用聚氨酯(zhi)(PUR),其(qi)强(qiang)度和韧性远(yuan)强(qiang)于PVC。...

发布时间: 2022-11-04

控制电缆型号、用途和共性参数

控(kong)制电(dian)缆(450/750塑料(liao)绝(jue)缘)适用于(yu)控(kong)制、型号(hao)、测量和保护工频额定(ding)电(dian)压450/750V及以下的(de)(de)各(ge)种电(dian)器。这类产(chan)品的(de)(de)国家标准是GB/9330-88。当(dang)用于(yu)交流系(xi)统时(shi),电(dian)缆(电(dian)线)的(de)(de)额定(ding)电(dian)压至(zhi)少应等于(yu)系(xi)统的(de)(de)标称电(dian)压。当(dang)使用DC系(xi)统时(shi),系(xi)统的(de)(de)标称电(dian)压不超(chao)过(guo)电(dian)缆(电(dian)线)额定(ding)电(dian)压的(de)(de)1.5倍(bei);...

控(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)缆从电(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)系(xi)统(tong)的配(pei)电(dian)(dian)(dian)(dian)(dian)(dian)点直接将(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)能传输(shu)到各种电(dian)(dian)(dian)(dian)(dian)(dian)气设备的电(dian)(dian)(dian)(dian)(dian)(dian)源连(lian)接线,控(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)缆主要为450/750伏。电(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)电(dian)(dian)(dian)(dian)(dian)(dian)缆用于在(zai)电(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)系(xi)统(tong)的主干线上(shang)传输(shu)和分配(pei)大功能电(dian)(dian)(dian)(dian)(dian)(dian)能。电(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)电(dian)(dian)(dian)(dian)(dian)(dian)缆的额(e)定电(dian)(dian)(dian)(dian)(dian)(dian)压一般在(zai)0.6/1KV以(yi)上(shang)。...

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