激光切割機切割頭毛病及維修
電極、噴嘴是數控等離子切割機、激(ji)光(guang)切(qie)割(ge)機(ji)日(ri)常(chang)作(zuo)業(ye)中(zhong)耗(hao)費(fei)量(liang)最(zui)大(da)的(de)耗(hao)費(fei)件(jian),特(te)別(bie)是(shi)原(yuan)裝(zhuang)進(jin)口(kou)的(de)電(dian)極(ji)和(he)噴(pen)嘴(zui)。所(suo)以(yi),有(you)效(xiao)延(yan)長(chang)電(dian)極(ji)和(he)噴(pen)嘴(zui)的(de)運(yun)用(yong)壽(shou)命(ming),將(jiang)大(da)大(da)降(jiang)低(di)等(deng)離(li)子(zi)切(qie)割(ge)加(jia)工(gong)的(de)消(xiao)費(fei)本(ben)錢(qian)。電(dian)極(ji)和(he)噴(pen)嘴(zui)的(de)耗(hao)費(fei),與(yu)氣(qi)壓(ya)、冷卻水壓、電壓、電流、gongqizhiliangjihaofeijianzhiliangdengduozhongyaosuyouguan,haibixuliuyiyixieyinjiqimaobingzhaozhideyichanghaofeizhuangkuang。zengyudaoguoqiegejiyinhushashi,jiupinfanshaohuichengtaodedianjihepenzuidexianxiang,yeyoudezaiqiegehou0.5~1h內燒毀,這些都不是正常的耗費。
經檢查發現,電極和噴嘴之間產生的電弧,把電極和噴嘴的邊緣燒結。為此,采取運用不同型號的電極和噴嘴,改換新割槍,調整氣、水(shui)壓(ya)力(li)等(deng)措(cuo)施(shi),效(xiao)果(guo)雖(sui)有(you)些(xie)變(bian)化(hua),但(dan)不(bu)顯(xian)著(zhu),且(qie)又(you)時(shi)又(you)莫(mo)明(ming)其(qi)妙(miao)地(di)恢(hui)複(fu)正(zheng)常(chang)。經(jing)重(zhong)複(fu)檢(jian)查(zha),發(fa)現(xian)是(shi)切(qie)割(ge)過(guo)程(cheng)中(zhong)偶(ou)爾(er)斷(duan)氣(qi)形(xing)成(cheng)的(de)毛(mao)病(bing)。分(fen)段(duan)排(pai)查(zha)發(fa)現(xian),電(dian)動(dong)閥(fa)控(kong)製(zhi)台(tai)內(nei)的(de)電(dian)磁(ci)閥(fa)失(shi)電(dian)形(xing)成(cheng)斷(duan)氣(qi),而(er)電(dian)磁(ci)閥(fa)失(shi)電(dian)是(shi)由(you)於(yu)割(ge)炬(ju)小(xiao)車(che)的(de)來(lai)回(hui)拖(tuo)拽(zhuai),形(xing)成(cheng)割(ge)炬(ju)控(kong)製(zhi)電(dian)纜(lan)接(jie)觸(chu)不(bu)良(liang)。由(you)於(yu)斷(duan)氣(qi)時(shi)間(jian)很(hen)短(duan),待(dai)丈(zhang)量(liang)時(shi)又(you)是(shi)好(hao)的(de),毛(mao)病(bing)很(hen)難(nan)發(fa)現(xian)。而(er)正(zheng)是(shi)在(zai)這(zhe)個(ge)很(hen)短(duan)的(de)斷(duan)氣(qi)時(shi)間(jian)內(nei),形(xing)成(cheng)電(dian)極(ji)和(he)噴(pen)嘴(zui)燒(shao)毀(hui)。重(zhong)新(xin)維(wei)修(xiu)固(gu)定(ding)電(dian)纜(lan)後(hou),毛(mao)病(bing)消(xiao)弭(mi)。
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