Sei kupisa kunyunguduka welding yePE pombi isina kukwana

Why is the hot melt welding of PE pipe defective

1.Kuongorora kwekuremara kwekushongedza kwePE pipe inopisa melt welder

Iyo PE pombi inopisa melt welding muchina inoiswa mukumisikidzwa kwepombi network purojekiti.Iyo dhayamita yepombi huru yekugovera mvura yakakura kupfuura 63mm uye ukobvu hwemadziro hwakakura kupfuura 5mm.Mukati mekugadzira zvinhu zvakadai sepombi, iyo yakanyanya kudzvanywa yemvura yepombi network iri mukati me60m, uye iyo welding chaiyo inogona kufuratirwa.Zvisinei, mubasa rinoshanda, nekuda kwenzvimbo ine makomo.Kana kudzvinyirirwa kwemvura kunodiwa nenharaunda kwakanyanyisa uye teknolojia yekugadzira haina kukwana, humwe hurema huchaonekwa, saka zvakaoma kuvandudza basa rayo uye hutano uye kusangana nayo. basa rinodiwa.

1) Kukanganisa mukugadzira welding.

Kazhinji, kukanganisa kwekuumbwa kwemajoini kwakagadzirwa kunonyanya kukonzerwa nekutsauka kwecrimping geometry uye chimiro, izvo zvisingakwanisi kuita zvinodiwa.

Kutanga, kana pane mavara kana zvinhu zvekunze pane welding end face, zvinozotungamira mukutsauka kwehupamhi hwemadziro emadziro kumativi ese.Panyaya yekudziya kusina kuenzana, pachava neasymmetry yakatenderedza welding interface, uye saizi haigone kusangana nemirairo yakakodzera, senge notch, gap uye zvimwe zvikanganiso.

Chechipiri, kana kuguma kwechiso chechiteshi chekugadzira chakanyorova panguva yekuputika, iyo welding yechiteshi haina kujeka uye yakasimba;Kana kuti kune mhute yemvura, iyo inotungamira kune welding quality matambudziko uye leakage chiteshi.

Chechitatu, kana ovality ye welded pombi isingasviki nemirairo yakakodzera, kuvimbika kwebutt joint hakugone kuvimbiswa, uye dambudziko rekukanganisa richaitika.

Chechina, kana iyo gadziriso sitiroko ikatsauka, kana kunyunguduka, tembiricha yekumisa uye kudzvanywa kwakadzikira uye nguva yewelding ipfupi, mhando yewelding interface inodzikiswa.Kana kukurumidza kwechigadziro chiri kukurumidza, kana kutonhora uye kumanikidzika kwakakwirira, kureba kwekushongedza kwekushongedza kwakakwirira kana kwakanyanyisa, iyo inogadzirisa inoderedza chikamu chekuyerera kwemvura uye inoderedza kuyerera kwayo.

2) Dambudziko reMicro defect.

Micro defects matambudziko emhando muwelding interface, senge makatsemuka, makatsemuka, kusapinda zvakanaka nezvimwe.

Kutanga, kana kunaka kwekunyungudika kunopisa kunoshandiswa nevanyanzvi vekuvaka kwakashata kana pane kutsauka mukuyerera kwehuwandu, iyo butt joint quality yepombi inoderedzwa.Semuyenzaniso, kana kutsauka kwekuyerera kuri kukuru kudarika 0.6g/10min, kukanganiswa kwemhando yewelding interface kuchaitika.Kana tembiricha yekunyunguduka yakadzikira kana nharaunda yewelding isina kunaka, pachavawo nekutsemuka kwemeno welding uye makatsemuka.

Chechipiri, mukuvaka chaiko, zviso zvekupedzisira zvepombi hazvifananidzi, kana zviso zvekupedzisira hazvina kusungirirwa zvizere nekushandisa heater ndiro, zvichikonzera kushata kwemagetsi.

3) Zvirema zveMicroscopic.

Mune chaiyo welding basa, nekuda kwekupisa kwekupisa kana nguva yakareba yekupisa, pombi ichave yakasvibiswa uye yakakuvadzwa.Muzviitiko zvakakomba, carbonization ichaitika, inoteverwa nekuora kwezvinhu.Nekuremara kwewelding, matambudziko akasiyana anodyidzana.Kana vashandisi uye matekiniki vasina kugona kwehunyanzvi uye basa

Chero pfungwa yemutoro, kutadza kuita basa rakakodzera zvinoenderana nekuita kwemidziyo uye zvinodiwa zvewelding zvinoderedza zvishoma nezvishoma kunaka kwewelding engineering.


Nguva yekutumira: Aug-03-2021