Ha likhatello tsa 'maraka li qobella baetsi ba liphaephe le liphaephe ho fumana litsela tsa ho eketsa tlhahiso ha ba ntse ba kopana le litekanyetso tse thata tsa boleng, ho khetha mekhoa e metle ea ho laola le mekhoa ea tšehetso ho bohlokoa ho feta leha e le neng pele.Le hoja bahlahisi ba bangata ba li-tube le liphaephe ba itšetlehile ka tlhahlobo ea ho qetela, maemong a mangata bahlahisi ba etsa liteko pele ho ts'ebetso ea tlhahiso ho bona mefokolo ea thepa kapa ea mosebetsi pele ho nako.Sena ha se fokotse litšila feela, empa hape se fokotsa litšenyehelo tse amanang le ho lahla thepa e nang le bokooa.Mokhoa ona o qetella o lebisa phaellong e phahameng.Ka lebaka la mabaka ana, ho kenyelletsa mokhoa o sa senyeheng (NDT) setsing ho etsa kelello e ntle ea moruo.
SS 304 Seamless le 316 Stainless steel Coiled Tube mofani oa thepa
Thepa ea 1 Inch Stainless Steel Coil e na le lipeipi tsa coil tse bophara ba inch athe 1/2 Stainless Steel Coil e na le liphaephe tse bophara ba ½ inch.Tsena li fapane le lipeipi tse entsoeng ka masenke 'me tube ea Welded Stainless Steel Coil e ka sebelisoa lits'ebetsong tse nang le menyetla ea ho cheselletsa.1/2 SS Coil tube ea rona e sebelisoa haholo lits'ebetsong tse kenyelletsang likhoele tsa mocheso o phahameng.Thepa ea 316 Stainless Steel Coil e sebelisetsoa ho fetisa likhase le lino bakeng sa ho pholile, ho futhumatsa kapa ho etsa mesebetsi e meng tlas'a maemo a senyang.Mefuta ea rona ea Seamless Stainless Stainless Steel Tubing Coil ke ea boleng bo holimo 'me ha e na mahlahahlaha a fokolang, e le hore e ka sebelisoa ka nepo.The Stainless Steel Coiled tube e sebelisoa hammoho le mefuta e meng ea liphaephe.Bongata ba 316 Stainless Steel Coiled tube ha bo na moroallo ka lebaka la li-diameter tse nyane le litlhoko tsa phallo ea mokelikeli.
Stainless Steel Coiled Tubing ea rekisoa
| Tšepe e se nang Mokelikeli 321 Coiled Tubing | SS Instrument tubing |
| 304 SS Control line tubing | TP304L Li-tubing tsa ente ea lik'hemik'hale |
| AISI 316 Stainless Steel Electric tubing ea mocheso | TP 304 SS Li-tubing tsa mocheso oa indasteri |
| SS 316 Super Long Coiled Tuing | Stainless Steel Multi-core Coiled Tubing |
ASTM A269 A213 Stainless Steel Coiled Tubing Mechanical Properties
| Lintho tse bonahalang | Mocheso | Mocheso | Khatello ea Maikutlo | Fetola Khatello | Elongation %, Min |
| Kalafo | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Tharollo | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Tharollo | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP316 | Tharollo | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Tharollo | 1900(1040) | 70(485) | 25(170) | 35 |
SS Coiled Tube Chemical Composition
MOSEBETSI OA K'hemik'hale % (MAX.)
| SS 304/L (UNS S30400/ S30403) | |||||||
|---|---|---|---|---|---|---|---|
| CR | NI | C | MO | MN | SI | PH | S |
| 18.0-20.0 | 8.0-12.0 | 00.030 | 00.0 | 2.00 | 1.00 | 00.045 | 00.30 |
| SS 316/L (UNS S31600/ S31603) | |||||||
| CR | NI | C | MO | MN | SI | PH | S |
| 16.0-18.0 | 10.0-14.0 | 00.030 | 2.0-3.0 | 2.00 | 1.00 | 00.045 | 00.30* |
Lintlha tse ngata-mofuta oa thepa, bophara, botenya ba lerako, lebelo la ho sebetsa, le mokhoa oa ho tjheseletsa kapa oa ho etsa lipeipi-li khetholla tlhahlobo e ntle ka ho fetisisa.Lintlha tsena li boetse li susumetsa khetho ea litšobotsi tsa mokhoa oa ho laola o sebelisoang.
Teko ea hajoale ea Eddy (ET) e sebelisoa lits'ebetsong tse ngata tsa liphaephe.Ena ke teko e batlang e le theko e tlase e ka sebelisoang liphaepheng tse tšesaane tsa lebota, hangata ho fihla botenya ba 0.250 inch.E loketse lisebelisoa tse peli tsa makenete le tse seng tsa makenete.
Li-sensor kapa li-coil tsa liteko li oela likarolong tse peli tse kholo: annular le tangential.Li-coil tse pota-potileng li hlahloba karolo eohle ea sefapano sa phala, ha li-coil tse tangential li hlahloba feela sebaka sa weld.
Li-spools tsa ho phuthela li bona likoli ho pholletsa le mothapo oohle o kenang, eseng feela sebaka sa weld, 'me hangata li sebetsa hantle haholo ho lekola boholo bo ka tlase ho 2 inches ka bophara.Ba boetse ba mamella ho falla ha libaka tsa weld.Phoso e ka sehloohong ke hore ho fetisa sekhahla sa phepelo ka leloala ho hloka mehato e eketsehileng le tlhokomelo e khethehileng pele e feta har'a meqolo ea liteko.Hape, haeba khoele ea teko e le thata ho isa bophara, weld e mpe e ka etsa hore tube e arohane, e leng se bakang tšenyo ho khoele ea teko.
Ho fetoha ha Tangential ho hlahloba karolo e nyane ea selikalikoe sa phala.Lits'ebetsong tse kholo tsa bophara, ho sebelisa likhoele tse tangential ho fapana le likhoele tse sothehileng hangata li tla fana ka tekanyo e betere ea mats'oao ho lerata (tekanyo ea matla a lets'oao la tlhahlobo khahlano le lets'oao le sa fetoheng ka morao).Li-coil tsa Tangential le tsona ha li hloke likhoele 'me li bonolo ho lekanya ho tsoa fekthering.Taba e nyahamisang ke hore ba sheba feela lintlha tsa solder.E loketse liphaephe tse kholo tsa bophara, li ka boela tsa sebelisoa bakeng sa liphaephe tse nyenyane haeba boemo ba tjheseletsa bo laoloa hantle.
Likhoeli tsa mofuta ofe kapa ofe li ka lekoa bakeng sa khefu ea nakoana.Ho hlahloba sekoli, ho tsejoang hape e le ho hlahloba lefela kapa ho hlahloba phapang, ho tsoela pele ho bapisa weld le likarolo tse haufi tsa tšepe ea motheo 'me ho na le maikutlo a liphetoho tse nyenyane tse bakoang ke ho khaotsa ho tsuba.E loketse ho lemoha mefokolo e khuts'oane joalo ka li-pinholes kapa li-welds tse sieo, e leng mokhoa oa mantlha o sebelisoang lits'ebetsong tse ngata tsa leloala.
Teko ea bobeli, e leng mokhoa o felletseng, o fumana bofokoli ba lentsoe la lentsoe.Mofuta ona o bonolo oa ET o hloka hore opareitara e leka-lekane ka mokhoa oa elektroniki oa lisebelisoa tse ntle.Ntle le ho lemoha liphetoho tse sa khaotseng tse mahoashe, e boetse e lemoha liphetoho botenya ba lerako.
Ho sebelisa mekhoa ena e 'meli ea ET ha ea lokela ho ba bothata haholo.Li ka sebelisoa ka nako e le 'ngoe le khoele e le' ngoe ea teko haeba sesebelisoa se hlomelloa ho etsa joalo.
Qetellong, sebaka sa 'mele sa tester se bohlokoa.Thepa e joalo ka mocheso oa tikoloho le ho sisinyeha ha leloala tse fetisetsoang ho tube li ka ama ho beoa.Ho beha khoele ea teko haufi le kamore ea welding ho fa opareitara tlhahisoleseling kapele mabapi le ts'ebetso ea welding.Leha ho le joalo, ho ka hlokahala li-sensor tse thibelang mocheso kapa pholile e eketsehileng.Ho beha khoele ea teko haufi le qetellong ea leloala ho lumella ho lemoha mefokolo e bakoang ke boholo kapa sebōpeho;leha ho le joalo, monyetla oa li-alarms tsa bohata o phahame hobane sensor e fumaneha haufi le tsamaiso ea ho khaola sebakeng sena, moo ho ka khonehang ho lemoha ho thothomela ha ho cheka kapa ho itšeha.
Teko ea Ultrasonic (UT) e sebelisa matla a motlakase 'me e a fetole hore e be matla a molumo o phahameng.Maqhubu ana a molumo a fetisetsoa linthong tse tlas'a teko ka mochine o kang oa metsi kapa oa leloala.Molumo o lebile, mokhoa oa ho tsamaisa transducer o etsa qeto ea hore na tsamaiso e batla liphoso kapa ho lekanya botenya ba lerako.Sehlopha sa li-transducer se etsa li-contours tsa sebaka sa welding.Mokhoa oa ultrasonic ha o felle ka botenya ba lerako la phala.
Ho sebelisa ts'ebetso ea UT e le sesebelisoa sa ho lekanya, opareitara e hloka ho tsamaisa transducer e le hore e shebahale ho phala.Maqhubu a molumo a kena karolong e ka ntle ea phaephe, a phunyeletsa bophara ba ka hare, ebe a khutlela ho transducer.Tsamaiso ena e lekanya nako ea lipalangoang—nako eo ho nkang leqhubu la molumo ho tloha karolong e ka ntle ho ea karolong e ka hare ea bophara—’me e fetola nako eo hore e be tekanyo ea botenya.Ho ipapisitse le maemo a leloala, tlhophiso ena e lumella litekanyo tsa botenya ba lebota ho nepahala ho isa ho ± 0.001 in.
Ho bona mefokolo ea lintho tse bonahalang, opareitara e tsamaisa sensor ka lehlakoreng la oblique.Maqhubu a molumo a kena ho tloha bophara ba ka ntle, a tsamaea ho ea bophara bo ka hare, a bonahatsoa ho khutlela bophara bo ka ntle, 'me kahoo a tsamaea leboteng.Ho se lekane ha weld ho baka ho bonahatsa leqhubu la molumo;e khutlisetsa ka tsela e ts'oanang ho converter, e khutlisetsang matla a motlakase 'me e etsa pontšo ea pono e bontšang sebaka sa sekoli.Letšoao le boetse le feta ka har'a liheke tse nang le bothata tse hlahisang alamo ho tsebisa opereishene, kapa ho qala mokhoa oa ho penta o tšoaeang sebaka sa phoso.
Litsamaiso tsa UT li ka sebelisa transducer e le 'ngoe (kapa li-transducers tse ngata tsa ntho e le' ngoe) kapa mefuta e mengata ea li-transducer.
Li-UT tsa setso li sebelisa sensor e le 'ngoe kapa ho feta.Palo ea li-probes e ipapisitse le bolelele bo lebelletsoeng ba sekoli, lebelo la mohala le litlhoko tse ling tsa tlhahlobo.
The phased array ultrasonic analyzer e sebelisa likarolo tse 'maloa tsa transducer ntlong e le' ngoe.Tsamaiso ea tsamaiso ea elektronike e tsamaisa maqhubu a molumo ho hlahloba sebaka sa weld ntle le ho fetola boemo ba transducer.Sistimi e ka etsa mesebetsi e kang ho lemoha sekoli, ho metha botenya ba lebota, le ho latela liphetoho tsa ho hloekisa lelakabe la libaka tse cheselitsoeng.Mekhoa ena ea teko le litekanyo e ka etsoa haholo ka nako e le 'ngoe.Ho bohlokoa ho hlokomela hore mokhoa o hlophisitsoeng oa mekhahlelo o ka mamella ho hoholeha ho itseng hobane sehlopha se ka koahela sebaka se seholo ho feta li-sensor tsa maemo a tloaelehileng.
Mokhoa oa boraro oa tlhahlobo o sa senyeheng, Magnetic Flux Leakage (MFL), o sebelisetsoa ho leka lipeipi tse bophara bo boholo, tse nang le mabota a teteaneng le a makenete.E loketse hantle bakeng sa tšebeliso ea oli le khase.
MFL e sebelisa matla a matla a khoheli a DC a fetang phala kapa lebota la phala.Matla a matla a khoheli a atamela ho tlala ka botlalo, kapa ntlha eo ho eona keketseho leha e le efe ea matla a magnetizing e sa hlahiseng keketseho e kholo ea matla a matla a khoheli.Ha matla a khoheli a thulana le sekoli nthong e itseng, ho khopama ho ka etsa hore e fofe kapa e phasolohe holimo.
Li-bubble tse joalo tsa moea li ka bonoa ho sebelisoa terata e bonolo e nang le matla a khoheli.Joalo ka lits'ebetso tse ling tsa ho lemoha matla a khoheli, sistimi e hloka motsamao o lekanyelitsoeng lipakeng tsa thepa e tlas'a teko le probe.Tsamaiso ena e finyelloa ka ho potoloha kopano ea makenete le probe ho potoloha selikalikoe sa phala kapa phala.Ho eketsa lebelo la ts'ebetso lits'ebetsong tse joalo, li-sensor tse eketsehileng (hape, sehlopha) kapa lihlopha tse 'maloa li sebelisoa.
Sebaka se potolohang sa MFL se ka bona liphoso tsa longitudinal kapa transverse.Phapang e teng tabeng ea ho shebana le sebopeho sa magnetization le moralo oa probe.Maemong ana ka bobeli, filthara ea matšoao e sebetsana le ts'ebetso ea ho bona liphoso le ho khetholla lipakeng tsa ID le libaka tsa OD.
MFL e tšoana le ET mme lia tlatsana.ET ke ea lihlahisoa tse nang le botenya ba lebota bo ka tlase ho 0.250 ″ mme MFL ke ea lihlahisoa tse nang le botenya ba lebota bo fetang boo.
E 'ngoe ea melemo ea MFL holim'a UT ke bokhoni ba eona ba ho lemoha mefokolo e sa lokelang.Mohlala, mefokolo ea helical e ka bonoa habonolo ho sebelisoa MFL.Litšitiso tse mabapi le mokhoa ona oa oblique, leha li ka bonoa ke UT, li hloka litlhophiso tse ikhethileng ho ea ka lehlakoreng le reriloeng.
U batla ho tseba haholoanyane ka sehlooho see?Baetsi le Mokhatlo oa Bahlahisi (FMA) ba na le boitsebiso bo eketsehileng.Bangoli Phil Meinzinger le William Hoffmann ba fana ka letsatsi le felletseng la tlhahisoleseling le litaelo mabapi le melao-motheo, likhetho tsa lisebelisoa, ho seta, le ts'ebeliso ea lits'ebetso tsena.Seboka se ile sa tšoaroa ka la 10 Pulungoana ntlo-khōlō ea FMA Elgin, Illinois (haufi le Chicago).Ngoliso e bulehetse batho ba ka bang teng ka bobona le ka bo bona.Ho ithuta haholoanyane.
Tube & Pipe Journal e phatlalalitsoe ka 1990 e le makasine ea pele e nehetsoeng indastering ea lipeipi tsa tšepe.Ho fihlela kajeno, e ntse e le eona feela khatiso e shebaneng le indasteri Amerika Leboea 'me e fetohile mohloli o ka tšeptjoang ka ho fetisisa oa tlhahisoleseding bakeng sa litsebi tsa li-tubing.
Phihlello e felletseng ea dijithale ho The FABRICATOR e se e fumaneha, e fana ka phihlello e bonolo ea lisebelisoa tsa bohlokoa tsa indasteri.
Ho fihlella ka botlalo ka dijithale ho The Tube & Pipe Journal e se e fumaneha, e fana ka phihlello e bonolo ea lisebelisoa tsa bohlokoa tsa indasteri.
Natefeloa ke phihlello e felletseng ea dijithale ho STAMPING Journal, koranta ea 'maraka e hatisang ka tšepe e nang le tsoelo-pele ea morao-rao ea theknoloji, mekhoa e metle le litaba tsa indasteri.
Ho fihlella ka botlalo khatisong ea dijithale ea The Fabricator en Español e se e fumaneha, e fana ka phihlello e bonolo ea lisebelisoa tsa bohlokoa tsa indasteri.
Adam Hickey oa Hickey Metal Fabrication o ikopanya le podcast ho bua ka ho sesa le ho hlahisa tlhahiso ea meloko e mengata…
Nako ea poso: May-01-2023