LSAW mapombi esimbi akakamurwa kuita yakakwirira frequency resistance welding uye yakanyura arc welding zvinoenderana nekuita welding.Longitudinal yakanyura arc welding inonzi LSAW uye longitudinal high frequency resistance welding inonzi ERW.
Kana ichienzaniswa neyakanyura arc welding, yakakwira-frequency yemagetsi kuramba welded simbi pombi (ERW simbi pombi) haiwedzeri welding zvinhu muERW welding process, uye weld haina kuumba inopisa kunyungudika, uye weld simbi inopinda recrystallization process.Naizvozvo, iyo yakaumbwa musono inoenderana zvizere nekemikari yesimbi yepasi.Mushure mekunge pombi yesimbi yaiswa welded, inonamirwa kuti ibudise kushushikana kwemukati panguva yekutonhora kwekushanda uye kushushikana kwemukati panguva yewelding.Naizvozvo, iyo yakazara mechanical zvimiro zveERW simbi pombi zviri nani.
Iyo yakadzika arc welded (UOE) longitudinal pombi inotora inotonhora yekuwedzera maitiro mushure mekunama kuti iwedzere pombi, saka geometric dimension yemusono wakareba wakanyura arc welded pombi ndiyo yakanyatsojeka, uye hunhu hunofananidzwa kana uchishandisa musono wakareba wakanyura arc welded , mapaipi zvakanaka, izvo zvinovimbisa kunaka kwewelding.Bvisa kumwe kushushikana kwemukati.Mukuwedzera, iyo longitudinally welded pasi pemvura arc pipe inosungirirwa ne-multi-waya welding (matatu-waya, ina-waya).diki.Mushure mekuwanda-waya welding, yekutanga welding waya inogona kubvisa welding kushushikana, nekudaro inovandudza ma mechanic properties yesimbi pombi.Iyo yepasi zvinhu inogona kuona 100% ultrasonic ongororo yesimbi sheet, iyo inosangana nezvinodiwa zvepaipi yekumanikidza yepamusoro peiyo base zvinhu.Zvisinei, kunyange zvazvo kushanda kwese kweLSAW pombi kwakakwirira kune mamwe mapaipi esimbi, mutengo wayo wakakwirira unodzivisa vashandisi vane mari shoma.
1. Musiyano pakati pezvinhu zvakasvibirira uye simba rekugadzira Iyo mbishi yeERW simbi pombi inopisa yakakungurutswa simbi coil, nepo mbishi yeLSAW simbi pombi inopisa yakakungurutswa simbi ndiro.Naizvozvo, ERW mapaipi esimbi anogona kuve nechokwadi chekuenderera kwekushanda kwemutsetse wegungano, kugadzirwa kwakanyanya uye mutengo wakaderera wekugadzira, nepo SAW mapaipi esimbi anogadzirwa nesimbi ndiro, iyo isingakwanise kuvimbisa kuenderera kwekushanda kwemutsara wegungano, kuderera kwekugadzira uye kugadzirwa kwakanyanya. mutengo.ERW mapaipi esimbi anoganhurirwa nekukora kwekoiri yesimbi.Kazhinji, ukobvu hwepamusoro hunogona kugadzirwa ndeye 25mm, uye iyo yakakura dhayamita inogona kugadzirwa i660mm;Ukobvu hwepamusoro hunogona kugadzirwa neLSAW pombi ndeye 40mm, uye iyo yakakura dhayamita inogona kugadzirwa inongogumira nehupamhi.kubva mundiro yesimbi.Iyo yakawanda yekugadzira dhayamita ndeye 1422 mm.
Submerged arc welded longitudinal pombi dzakakamurwa kuva nzira dzakasiyana dzekuumba: UOE simbi pombi: mushure meimwe simbi pepa isati yakakotama pamucheto, inoiswa pasi peU-kuumba, O-kuumba, mukati welding, welding yekunze uye mechanical kutonhora kuwedzera.JCOE simbi pombi: pre-weld maererano ne "JCOE", kuumba, kutonhora kuwedzera mushure mekuputika.HME simbi pombi: maererano "CCO" mandrel rolling nzira, kutonhora kuwedzera pashure welding.
2. Misiyano muWelding ERW simbi pombi haidi welding waya, LSAW simbi pombi inoda welding waya.
3. Kusiyana muchitarisiko.Iyo yemukati nekunze welds yeERW simbi mapaipi inoda kubviswa kukurudzira kuchengetedzwa kwecorrosion, iyo yakawedzera kureba kwemukati nekunze kwemadziro welds eLSAW mapaipi haakodzeri mukuora.
4. Musiyano pakati pekutenga mari uye kuoma Mutengo wekutenga weERW simbi pombi yakaderera, nepo mutengo weLSAW wesimbi pombi yakakwirira, uye mutengo wakasiyana we15% -25%.Kune vashoma vanogadzira LSAW pombi muChina uye zvakaoma kuzvitenga.Kana dhayamita
Nguva yekutumira: Kubvumbi-10-2023