Pipe ea Seam ea Boleng bo Phahameng

Setšoantšo se Hlahisitsoeng sa Pipe ea Seam ea Spiral ea Boleng bo Holimo

Tlhaloso e Khutšoanyane:

Phaephe ea rona ea boleng bo holimo ea seam e spiral e loketse lits'ebetso tse fapaneng, ho kenyeletsoa kaho, oli le khase, le lipalangoang tsa likepe. Ka matla a eona a phahameng le ho tšoarella, e etselitsoe ho mamella khatello le ho hanela mafome, e leng se etsang hore e be tharollo ea nako e telele bakeng sa litlhoko tsa hau tsa liphaephe.

Romella imeile ho rona

Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Re hlahisa phaephe ea rona ea boleng bo holimo ea spiral-seam, sehlahisoa se bontšang matla, ho tšoarella le boenjiniere bo nepahetseng. Liphaephe tsa rona li entsoe ka mokhoa o tsoetseng pele oa ho tjheseletsa spiral, li entsoe ka likhoele tsa tšepe tse phuthoang ka mocheso tse entsoeng ka hloko hore e be sebopeho sa cylindrical le ho tjheseletsa ho latela spiral seam. Mokhoa ona o mocha oa tlhahiso ha o ntlafatse feela botšepehi ba sebopeho sa liphaephe, empa hape o netefatsa hore li ka mamella lits'ebetso tse thata ka ho fetisisa.

Khamphaning ea rona, re motlotlo ka boitlamo ba rona bo sa thekeseleng ba ho khotsofatsa bareki. Ho theosa le lilemo, re hahile botumo ba bokhabane ka ho beha litlhoko tsa bareki ba rona pele mohatong o mong le o mong oa ts'ebetso ea ho reka. Ho tloha ho lipuisano tsa pele ho thekiso ho isa tšehetsong ea ka hare ho thekiso le lits'ebeletso tse felletseng tsa kamora thekiso, re ikemiselitse ho fihlela tlhoko e 'ngoe le e 'ngoe ea bareki ba rona. Mokhoa ona o shebaneng le bareki o re fumanetse tšepo le botšepehi ba bareki ba rona, ba lulang ba ananela boleng ba lihlahisoa tsa rona le botšepehi ba lits'ebeletso tsa rona.

Boleng ba rona bo holimophaephe ea seam e potolohange loketse mefuta e fapaneng ea lits'ebetso, ho kenyeletsoa kaho, oli le khase, le lipalangoang tsa likepe. Ka matla a eona a phahameng le ho tšoarella, e etselitsoe ho mamella khatello le ho hanela mafome, e leng se etsang hore e be tharollo ea nako e telele bakeng sa litlhoko tsa hau tsa liphaephe.

Tlhaloso ea Sehlahisoa

Thepa ea Bohlokoa ea 'Mele le ea Lik'hemik'hale ea Liphaephe tsa Tšepe (GB/T3091-2008, GB/T9711-2011 le API Spec 5L)
E tloaelehileng	Kereiti ea Tšepe	Likarolo tsa Lik'hemik'hale (%)						Thepa e Tenyetsehang						Teko ea Tšusumetso ea Charpy (V notch)
		c	Mn	p	s	Si	Tse ling	Matla a Tekanyo (Mpa)		Matla a ho Tenyetseha (Mpa)		（L0=5.65 √ S0）Sekhahla sa ho Otlolla sa mets（%）
		boholo	boholo	boholo	boholo	boholo	Tse ling	motsotso	boholo	motsotso	boholo	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Ho eketsa NbVTi ho latela GB/T1591-94	215		335		15	> 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	> 31
	Q235A	≤ 0.22	0.30 ＜ 0.65	0.045	0.050	0.035		235		375		15	>26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	>26
	Q295A	0.16	0.80-1.50	0.045	0.045	0.55		295		390		13	>23
	Q295B	0.16	0.80-1.50	0.045	0.040	0.55		295		390		13	>23
	Q345A	0.20	1.00-1.60	0.045	0.045	0.55		345		510		13	>21
	Q345B	0.20	1.00-1.60	0.045	0.040	0.55		345		510		13	>21
GB/T9711-2011（PSL1）	L175	0.21	0.60	0.030	0.030		Ho eketsa e 'ngoe ea likarolo tsa NbVTi kapa motsoako ofe kapa ofe oa tsona ka boikhethelo	175		310		27		E 'ngoe kapa tse peli tsa index ea ho tiea ha matla a tšusumetso le sebaka sa ho kuta li ka khethoa. Bakeng sa L555, sheba tekanyetso.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L390	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5L (PSL 1)	A25	0.21	0.60	0.030	0.030		Bakeng sa tšepe ea sehlopha sa B, Nb+V ≤ 0.03%; bakeng sa tšepe ≥ sehlopha sa B, ho eketsa Nb kapa V kapa motsoako oa tsona ka boikhethelo, le Nb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）e tla balwa ho latela foromo e latelang:e=1944·A0 .2/U0 .0 A: Sebaka sa sampole ka mm2 U: Matla a fokolang a ho thaepa a boletsoeng ka Mpa		Ha ho letho kapa efe kapa bobedi ba matla a tshusumetso le sebaka sa ho kuta tse hlokahalang e le tekanyetso ya ho tiya.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Molemo oa Sehlahisoa

1. E 'ngoe ea melemo e meholo ea phaephe ea seam e potolohang ke matla a eona a matle haholo. Ts'ebetso ea ho tjheseletsa e potolohang e nolofalletsa ho tjheseletsa ho tsoelang pele, ka hona e ntlafatsa botšepehi ba sebopeho sa phaephe. Sena se etsa hore e be e loketseng ho tsamaisa maro le likhase tlas'a khatello e phahameng.

2. Ts'ebetso ea tlhahiso e sebetsa hantle, e lumella liphaephe tse telele ho hlahisoa ntle le tlhoko ea manonyeletso, e leng lintlha tse ka bang bofokoli.

3. Molemo o mong o moholo oaphaephe ea seam ea helicalke ho tenyetseha ha yona. Di ka hlahiswa ka bophara bo fapaneng le botenya ba mabota bakeng sa mefuta e mengata ya ditshebediso ho tloha ho tsamaiseng oli le kgase ho ya ditsamaisong tsa metsi.

4. Likhamphani tse etsang liphaephe tsena li etelletsa pele khotsofalo ea bareki 'me li fana ka lits'ebeletso tse felletseng tsa pele ho thekiso, nakong ea thekiso le ka mor'a thekiso. Boitlamo bona bo netefatsa hore bareki ba fumana lihlahisoa tse etselitsoeng litlhoko tsa bona tse ikhethang, e leng se ntlafatsang boiphihlelo ka kakaretso.

Khaello ea sehlahisoa

1. Ts'ebetso ea ho tjheseletsa ka sekontiri e ka ba thata ho feta mekhoa ea setso ea ho tjheseletsa, e leng se ka fellang ka litšenyehelo tse phahameng tsa tlhahiso.

2. Leha liphaephe tsa seam tse potolohang li le matla, li kanna tsa se hanele mefuta e itseng ea mafome ho feta lisebelisoa tse ling tsa liphaephe 'me li hloka ho koaheloa kapa ho phekoloa ka tšireletso.

LBH

P1: Phaephe ea seam e potolohang ke eng?

Phaephe ea seam e potolohang e hahuoa ho sebelisoa mokhoa o ikhethileng o bitsoang mokhoa oa ho tjheseletsa ka lebelo le phahameng. Theknoloji ena e ncha e kenyelletsa likhoele tsa tšepe tse phuthoang ka mocheso tse etsoang ka sebopeho sa cylindrical le ho tjheseletsa hammoho le seam e potolohang. Phaephe e hlahisoang ha e na matla a phahameng feela empa hape e na le botsitso bo botle, e leng se etsang hore e be ntle bakeng sa lits'ebetso tse fapaneng, ho kenyeletsoa le lipalangoang tsa oli le khase, phepelo ea metsi le tšehetso ea sebopeho.

P2: Hobaneng o lokela ho kgetha phaephe ya boleng bo hodimo ya spiral seam?

Molemo o moholo oa liphaephe tsa boleng bo holimo tsa seam tse potolohang ke kaho ea tsona e matla. Ts'ebetso ea ho tjheseletsa e potolohang e lumella ho tjheseletsa ho tsoelang pele, e leng se eketsang botšepehi le ho hanyetsa khatello ea phaephe. Ho phaella moo, liphaephe tsena li ka etsoa ka boholo le botenya bo fapaneng ho fihlela litlhoko tse ikhethileng tsa merero e fapaneng.

P3: Ke lokela ho sheba eng ho mofani oa thepa?

Ha o kgetha mofani wa diphaephe tsa ho roka tsa spiral seam, ho bohlokwa ho kgetha khamphani e behang kgotsofalo ya bareki pele. Batla mofani wa ditshebeletso tse felletseng tsa pele ho thekiso, thekiso le ka mora thekiso. Khamphani e nang le botumo bo botle e tla netefatsa hore dihlahiswa tsa yona di fihlela ditlhoko tse thehilweng mme e ka kgotsofatsa ditlhoko tsa hao tse ikgethang, e netefatsa hore o fumana dihlahiswa le ditshebeletso tsa boleng bo hodimo tseo bareki ba hao ba tla di ananela.

E fetileng: Khetho e theko e tlaase ea liphaephe tsa liqubu

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