Iimbangela kunye nemilinganiselo ye-pipe weld porosity

Umbhobho we-weld weld porosity ayichaphazeli kuphela ukuxinana kwemibhobho, okubangele ukuvuza kombhobho kunye nomhlwa kuya kuphenjelelwa kwindawo yokunciphisa amandla kunye nokuqina.Izinto ze-weld porosity zezi: ukuhamba kwamanzi, ukungcola, i-oxide kunye ne-iron filings, izithako ze-welding kunye nobukhulu bokugquma, umgangatho wentsimbi kunye ne-steel side plates processing, iteknoloji ye-welding kunye neenkqubo zokubumba intsimbi.

 

Amanyathelo okuthintela anxulumeneyo:

1. Flux izithako.I-CaF2 kunye ne-SiO2 equlethe isixa esifanelekileyo se-welding, i-reaction iya kubamba ixabiso elikhulu le-H2, ivelise uzinzo oluphezulu lwe-HF olungenakunyibilika kwintsimbi engamanzi, ngaloo ndlela ikhusela ukubunjwa kwemingxuma yegesi ye-hydrogen.

2. Ubukhulu bomthamo we-flux ngokubanzi yi-25-45mm, ubungakanani besuntswana le-solder enkulu, iyure ye-bulk density ithatha ubukhulu obukhulu, ngelixa ixabiso elincinci;yangoku ephezulu, isantya esisezantsi sokuqokelelwa kwe-welding ithatha ubukhulu obukhulu, ngelixa ukongeza ixabiso elincinci, ihlobo okanye ukufuma komoya, ukubuyiswa kwe-flux kufuneka yomiswe ngaphambi kokusetyenziswa.

3. Ishiti lentsimbi eliphathwe ngomphezulu.Ukuze ugweme i-open-book leveling off oxide scale kunye nezinye i-debris kwinkqubo yokubumba, ibhodi kufuneka ibekwe isixhobo sokucoca.

4. Steel plate edge processing.Umphetho wepleyiti yentsimbi kufuneka ubekwe umhlwa kunye nesixhobo sokususa i-burr ukunciphisa ukuveliswa kwemingxuma enokwenzeka.Ukususa isixhobo efakwe kweyona ndawo ilungileyo emva komatshini wokusila kunye nediskhi yokucheba, ulwakhiwo lwesixhobo lucingo olusebenzayo kwicala lamavili amabini ukuya phezulu nasezantsi kwisithuba umsantsa ohlengahlengiswayo, umphetho wepleyiti yokudibanisa ephezulu nasezantsi.

5. Iprofayile yeWeld.I-Weld forming factor incinci kakhulu, incinci kwaye inzulu imilo ye-weld, igesi kunye nokubandakanywa akulula ukuvuza, kulula ukwenza iipores kunye ne-slag.Ulawulo olubanzi lwe-weld coefficient kwi-1.3-1.5, umbhobho otyebileyo wexabiso eliphezulu, ixabiso elincinci le-thin-walled.

6. Nciphisa indawo yesibini yamagnetic.Ukunciphisa impembelelo ukuvuthela kazibuthe kufuneka kwenziwe kwi workpiece welding cable indawo yoqhagamshelo kunokwenzeka kuphela kude kwi-terminal welding, ukuphepha ezinye welding cable yesibini intsimi kazibuthe eveliswe workpiece.

7. Ukusebenza.Ngaba kufanelekile ukunciphisa okanye ukwandisa isantya se-welding yangoku, ngaloo ndlela ukulibazisa izinga lekristallisation ye-weld metal bath ukwenzela ukuba kube lula ukuphunyuka kwegesi, kwangaxeshanye, ukuba ukungazinzi kwendawo yokunikezelwa kwe-strip, kufuneka kulungiswe ngexesha elifanelekileyo. Ukuphelisa ukulungiswa rhoqo emva kokwamkelwa kwe-asi yangaphambili okanye ibhulorho ukugcina ukubumba, kubangela ukuba igesi ibaleke nzima.


Ixesha lokuposa: Feb-19-2020