Umbhobho wentsimbi ejikelezayo wenziwa ngokuqengqa intsimbi yesakhiwo esinekhabhoni ephantsi okanye umcu wentsimbi yesakhiwo esine-alloy ephantsi ibe yipayipi, ngokwe-engile ethile yomgca we-spiral (obizwa ngokuba yi-forming angle), uze emva koko udibanise imithungo yepayipi.
Ingasetyenziselwa ukuvelisa umbhobho wentsimbi omkhulu onomtya omxinwa ngentsimbi.
Inkcazo yombhobho wentsimbi ejikelezayo ibonakaliswa bububanzi bangaphandle * ubukhulu bodonga.
Umbhobho odibeneyo kufuneka uvavanywe ngovavanyo lwe-hydrostatic, amandla okutsalwa kunye nokugoba okubandayo, ukusebenza komthungo wokudityaniswa kufuneka kuhlangabezane neemfuno zenkcazo.
Injongo ephambili:
Umbhobho wentsimbi ejikelezayo usetyenziswa kakhulu ekudluliseni ioyile kunye negesi yendalo.
Inkqubo yemveliso:
(1) Izinto ezisetyenzisiweyo: i-coil yentsimbi, ucingo lokuwelda kunye ne-flux. Kufuneka kuhlolwe ngokungqongqo ngokomzimba nangokweekhemikhali ngaphambi kokuba kuvele imveliso.
(2) I-butt welding intloko nomsila we-coil ukuze kudityaniswe iikhoyili ezimbini, emva koko isebenzisa i-single wire okanye i-double wire submerged arc welding, kwaye i-automatic submerged arc welding iyasetyenziswa ukuze idityaniswe emva kokuqengqeleka kumbhobho wentsimbi.
(3) Ngaphambi kokuba kwenziwe, intsimbi yomcu mayilinganiswe, inqunyulwe, iplangwe, icocwe umphezulu, ithuthwe kwaye igotywe kwangaphambili.
(4) Igeyiji yoxinzelelo loqhagamshelwano lombane isetyenziselwa ukulawula uxinzelelo lwesilinda yeoyile ecinezelwayo kumacala omabini esithuthi ukuqinisekisa ukuthuthwa kwentsimbi eqhotyoshwayo kakuhle.
(5) Ukuze wenze i-roll, sebenzisa ulawulo lwangaphandle okanye ulawulo lwangaphakathi.
(6) Sebenzisa isixhobo sokulawula isithuba se-weld ukuqinisekisa ukuba isithuba se-weld siyahlangabezana neemfuno ze-welding, emva koko ububanzi bombhobho, ukungalingani kunye nesithuba se-weld zinokulawulwa ngokungqongqo.
(7) Zombini ii-welding zangaphakathi kunye nee-welding zangaphandle zisebenzisa umatshini we-American Lincoln Electric welding we-single wire okanye ii-double wire submited arc welding, ukuze zifumane ukusebenza okuzinzileyo kwe-welding.
(8) Zonke ii-welding seams zihlolwa yi-on-line continuous ultrasonic automatic flaw detector ukuqinisekisa ukuba uvavanyo lwe-100% NDT lugubungela zonke ii-spiral welding seams. Ukuba kukho iziphene, iya kulumkisa ngokuzenzekelayo kwaye itshize amanqaku, kwaye abasebenzi bemveliso baya kulungisa iiparameter zenkqubo nangaliphi na ixesha ukuze basuse iziphene ngexesha.
(9) Umbhobho wentsimbi unqunyulwa ube yinxalenye enye ngomatshini wokusika.
(10) Emva kokusikwa kube ngumbhobho wentsimbi enye, iqela ngalinye lombhobho wentsimbi liya kuhlolwa ngokungqongqo ukuze kujongwe iimpawu zoomatshini, ukwakheka kweekhemikhali, imeko yokudibanisa, umgangatho womphezulu wombhobho wentsimbi kunye ne-NDT ukuqinisekisa ukuba inkqubo yokwenza umbhobho iyafaneleka ngaphambi kokuba iqaliswe ngokusemthethweni.
(11) Iindawo ezineempawu zokubona iziphene eziqhubekayo kwi-welding seam kufuneka zihlolwe kwakhona nge-ultrasound ngesandla kunye ne-X-ray. Ukuba kukho iziphene, emva kokulungiswa, umbhobho uya kuphinda ufakwe kwi-NDT de kuqinisekiswe ukuba iziphene zisusiwe.
(12) Umbhobho womthungo wokuwelda we-butt kunye nomthungo wokuwelda we-spiral odibanisa i-T-joint kufuneka uhlolwe ngomabonwakude we-X-ray okanye ngokuhlolwa kwefilimu.
(13) Umbhobho ngamnye wentsimbi uphantsi kovavanyo lwe-hydrostatic. Uxinzelelo lovavanyo kunye nexesha zilawulwa ngokungqongqo sisixhobo sekhompyutha sokufumanisa uxinzelelo lwamanzi lombhobho wentsimbi. Iiparamitha zovavanyo ziprintwa kwaye zirekhodwa ngokuzenzekelayo.
(14) Isiphelo sombhobho senziwe ngomatshini ukulawula ngokuchanekileyo ukulingana, i-engile ye-bevel kunye nobuso beengcambu.
Ixesha lokuthumela: Julayi-13-2022