SS 304 Wopanda Seamless ndi 316 Stainless steel Coiled Tube ogulitsa ku China

Pamene kukakamizidwa kwa msika kumakakamiza opanga mapaipi ndi mapaipi kuti apeze njira zowonjezeretsa zokolola pamene akukumana ndi miyezo yapamwamba ya khalidwe, kusankha njira zabwino zoyendetsera ntchito ndi machitidwe othandizira ndizofunikira kwambiri kuposa kale lonse.Ngakhale opanga machubu ndi mapaipi ambiri amadalira kuyendera komaliza, nthawi zambiri opanga amayesa kale popanga kuti azindikire zolakwika zakuthupi kapena zopanga msanga.Izi sizingochepetsa zinyalala, komanso zimachepetsanso ndalama zomwe zimagwirizanitsidwa ndi kutaya zinthu zopanda pake.Njirayi pamapeto pake imabweretsa phindu lalikulu.Pazifukwa izi, kuwonjezera njira yoyesera yosawononga (NDT) ku chomera kumapanga nzeru zachuma.

Zinthu zambiri-mtundu wazinthu, m'mimba mwake, makulidwe a khoma, liwiro la kukonza, ndi kuwotcherera chitoliro kapena njira yopangira - zimatsimikizira mayeso abwino kwambiri.Zinthu izi zimakhudzanso kusankha kwa machitidwe a njira yoyendetsera ntchito.
Kuyesa kwamakono kwa Eddy (ET) kumagwiritsidwa ntchito pamapaipi ambiri.Awa ndi mayeso otsika mtengo omwe angagwiritsidwe ntchito pamipaipi yopyapyala yapakhoma, nthawi zambiri mpaka makulidwe a khoma la inchi 0.250.Ndizoyenera kuzinthu zonse zamaginito komanso zopanda maginito.
Sensor kapena ma koyilo oyesa amagwera m'magulu akulu awiri: annular ndi tangential.Zozungulira zozungulira zimayang'ana mbali yonse ya mtanda wa chitoliro, pamene zozungulira zozungulira zimangoyang'ana malo otsekemera okha.
Ma spools okulunga amazindikira zolakwika pamzere wonse womwe ukubwera, osati zone yowotcherera, ndipo nthawi zambiri amagwira ntchito bwino pakuwunika kukula kwa mainchesi awiri m'mimba mwake.Komanso amalolera kusuntha kwa weld zone.Choyipa chachikulu ndichakuti kudutsa mzere wa chakudya kudzera pampheroyo kumafuna masitepe owonjezera ndi chisamaliro chapadera musanadutse mipukutu yoyesera.Komanso, ngati koyilo yoyesererayo ili yolimba mpaka m'mimba mwake, kuwotcherera koyipa kumatha kupangitsa chubu kugawanika, zomwe zimapangitsa kuwonongeka kwa koyilo yoyeserera.
Kutembenuka kwa Tangential kuyang'ana kagawo kakang'ono ka chigawo cha chitoliro.M'magawo akulu akulu, kugwiritsa ntchito ma koyilo opindika m'malo mopotoka nthawi zambiri kumapereka chiyerekezo chabwinoko cha phokoso (muyeso wa mphamvu ya chizindikiro choyesa motsutsana ndi chizindikiro chokhazikika chakumbuyo).Zopangira ma tangential sizifunanso ulusi ndipo ndizosavuta kuzisintha kuchokera kufakitale.Choyipa chake ndikuti amangoyang'ana ma solder.Oyenera mipope lalikulu m'mimba mwake, iwo angagwiritsidwenso ntchito mapaipi ang'onoang'ono ngati kuwotcherera malo bwino ankalamulira.
Ma coils amtundu uliwonse amatha kuyesedwa kuti azipuma pakanthawi kochepa.Kuwona zolakwika, komwe kumadziwikanso kuti zero kuwunika kapena kuwunika kusiyana, kumafananiza weld ndi magawo oyandikana ndi chitsulo choyambira ndipo kumakhudzidwa ndi kusintha kwakung'ono komwe kumachitika chifukwa cha discontinuities.Njira yabwino yodziwira zolakwika zazifupi monga ma pinholes kapena ma welds omwe akusowa, yomwe ndi njira yoyamba yomwe imagwiritsidwa ntchito pamakina ambiri ogubuduza.
Chiyeso chachiwiri, njira yeniyeni, imapeza zovuta za verbosity.Njira yosavuta iyi ya ET imafuna kuti wogwiritsa ntchitoyo azilinganiza pakompyuta pa zinthu zabwino.Kuphatikiza pa kuzindikira kusintha kosalekeza kosalekeza, imazindikiranso kusintha kwa makulidwe a khoma.
Kugwiritsa ntchito njira ziwiri za ET sikuyenera kukhala kovuta kwambiri.Atha kugwiritsidwa ntchito nthawi imodzi ndi koyilo imodzi yoyeserera ngati chidacho chili ndi zida zochitira izi.
Pomaliza, malo enieni a tester ndi ofunikira.Zinthu monga kutentha kozungulira ndi kugwedezeka kwa mphero zomwe zimatumizidwa ku chubu zingakhudze kuyika.Kuyika koyilo yoyesera pafupi ndi chipinda chowotcherera kumapatsa wogwiritsa ntchito chidziwitso chamsanga chokhudza kuwotcherera.Komabe, masensa osamva kutentha kapena kuziziritsa kwina kungafunike.Kuyika koyilo yoyesera pafupi ndi mapeto a mphero kumapangitsa kuti azindikire zolakwika zomwe zimayambitsidwa ndi kukula kapena mawonekedwe;komabe, kuthekera kwa ma alarm abodza ndi okwera chifukwa sensa ili pafupi ndi dongosolo lodulidwa pamalo ano, komwe kumakhala kosavuta kuzindikira kugwedezeka pakuwona kapena kudula.
Kuyesa kwa Ultrasonic (UT) kumagwiritsa ntchito mphamvu zamagetsi zamagetsi ndikuzisintha kukhala mphamvu zamawu pafupipafupi.Mafunde amawu awa amaperekedwa kuzinthu zomwe zimayesedwa kudzera mu sing'anga monga madzi kapena choziziritsa ku mphero.Phokoso ndilolunjika, momwe transducer imayendera imatsimikizira ngati dongosolo likuyang'ana zolakwika kapena kuyeza makulidwe a khoma.Gulu la ma transducers limapanga mizere ya zone yowotcherera.The akupanga njira si malire ndi makulidwe a chitoliro khoma.
Kuti agwiritse ntchito njira ya UT ngati chida choyezera, wogwiritsa ntchitoyo amayenera kuwongolera transducer kuti ikhale yolunjika ku chitoliro.Mafunde a phokoso amalowa kunja kwa chitolirocho, amadumpha mkati mwake, ndi kubwerera ku transducer.Dongosololi limayesa nthawi yodutsa—nthawi yomwe pamafunika kuti phokoso la phokoso lichoke m’mimba mwake n’kufika m’kati mwake—ndipo limatembenuza nthawiyo kukhala mulingo wokhuthala.Kutengera mphero, kuyika uku kumapangitsa kuti miyeso ya makulidwe a khoma ikhale yolondola mpaka ± 0.001 in.
Kuti azindikire zolakwika zakuthupi, woyendetsa amawongolera sensa pa ngodya ya oblique.Mafunde a phokoso amalowa kuchokera m'mimba mwake, kupita kumimba yamkati, amawonekeranso kumtunda wakunja, ndipo motero amayenda pakhoma.Kusagwirizana kwa weld kumayambitsa kuwonetsera kwa phokoso la phokoso;imabwereranso mofanana ndi chosinthira, chomwe chimachitembenuzanso kukhala mphamvu yamagetsi ndikupanga chiwonetsero chowonetsera malo omwe ali ndi vuto.Chizindikirocho chimadutsanso pazipata zowonongeka zomwe zimayambitsa alamu kuti adziwitse wogwiritsa ntchito, kapena kuyambitsa dongosolo la utoto lomwe limasonyeza malo omwe ali ndi vuto.
Makina a UT atha kugwiritsa ntchito transducer imodzi (kapena ma transducer angapo) kapena ma transducer angapo.
Ma UT achikhalidwe amagwiritsa ntchito sensor imodzi kapena zingapo.Chiwerengero cha ma probe chimadalira kutalika kwa chilema chomwe chikuyembekezeka, liwiro la mzere ndi zofunikira zina zoyeserera.
The phased array akupanga analyzer amagwiritsa ntchito zinthu zingapo transducer mu nyumba imodzi.Dongosolo lowongolera pakompyuta limawongolera mafunde amawu kuti ayang'ane malo owotcherera popanda kusintha malo a transducer.Dongosololi limatha kuchita zinthu monga kuzindikira zolakwika, kuyeza makulidwe a khoma, ndikutsata zosintha pakuyeretsa kwamoto wamalo owotcherera.Njira zoyezera izi zitha kuchitidwa nthawi imodzi.Ndikofunikira kudziwa kuti njira yotsatiridwa pang'onopang'ono imatha kulekerera kuwotcherera pang'ono chifukwa gululo limatha kuphimba malo okulirapo kuposa masensa achikhalidwe okhazikika.
Njira yachitatu yoyesera yosawononga, Magnetic Flux Leakage (MFL), imagwiritsidwa ntchito poyesa mapaipi akulu akulu, okhala ndi mipanda komanso maginito.Ndizoyenera kugwiritsa ntchito mafuta ndi gasi.
MFL imagwiritsa ntchito mphamvu yamagetsi ya DC yodutsa mutoliro kapena khoma la chitoliro.Mphamvu ya maginito imayandikira kudzaza kwathunthu, kapena pamene kuwonjezeka kulikonse kwa mphamvu ya magnetizing sikuchititsa kuti kuchuluke kwambiri kwa maginito kusinthasintha.Pamene maginito flux igundana ndi vuto la chinthu, kupotoza kwa maginito kungayambitse kuwuluka kapena kuwira pamwamba.
Mpweya woterewu ukhoza kudziwika pogwiritsa ntchito kafukufuku wa waya wosavuta wokhala ndi maginito.Monga momwe zimakhalira ndi ntchito zina zowonera maginito, makinawa amafunikira kusuntha kwapakati pakati pa zinthu zomwe zikuyesedwa ndi kafukufuku.Kuyenda uku kumatheka pozungulira maginito ndi msonkhano wa probe kuzungulira chitoliro kapena chitoliro.Kuti muwonjezere liwiro la kukonza pakuyika kotere, masensa owonjezera (kachiwiri, gulu) kapena magulu angapo amagwiritsidwa ntchito.
Chotchinga cha MFL chozungulira chimatha kuzindikira zolakwika zazitali kapena zopingasa.Kusiyanitsa kuli pamayendedwe a mawonekedwe a magnetization ndi kapangidwe ka probe.Muzochitika zonsezi, fyuluta ya siginecha imagwira ntchito yozindikira zolakwika ndikusiyanitsa malo a ID ndi OD.
MFL ndi yofanana ndi ET ndipo imathandizirana.ET ndi yazinthu zomwe zili ndi makulidwe a khoma zosakwana 0.250 ″ ndipo MFL ndi yazinthu zomwe zimakhala ndi makulidwe a khoma kuposa pamenepo.
Chimodzi mwazabwino za MFL pa UT ndikutha kuzindikira zolakwika zomwe sizili bwino.Mwachitsanzo, zolakwika za helical zitha kudziwika mosavuta pogwiritsa ntchito MFL.Zolakwika panjira iyi, ngakhale zimazindikirika ndi UT, zimafunikira masinthidwe ogwirizana ndi momwe akufunira.
Mukufuna kudziwa zambiri za mutuwu?Opanga ndi Manufacturers Association (FMA) ali ndi zambiri zowonjezera.Olemba Phil Meinzinger ndi William Hoffmann amapereka tsiku lonse lachidziwitso ndi malangizo pa mfundo, zosankha za zipangizo, kukhazikitsa, ndi kugwiritsa ntchito njirazi.Msonkhanowo unachitika pa November 10 ku likulu la FMA ku Elgin, Illinois (pafupi ndi Chicago).Kulembetsa kuli kotsegukira kwa opezekapo komanso mwa-munthu.Kuti mudziwe zambiri.
Tube & Pipe Journal idakhazikitsidwa mu 1990 ngati magazini yoyamba yoperekedwa kumakampani opanga zitoliro zachitsulo.Mpaka lero, ndi buku lokhalo lomwe limayang'ana kwambiri makampani ku North America ndipo lakhala gwero lodalirika lazidziwitso kwa akatswiri a machubu.
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