Kuwotcherera kwa Arc kwa Mapaipi a Gasi Wachilengedwe

Chitoliro Chozungulira Chozungulira Chowotcherera Mapaipi a Gasi Wachilengedwe Chithunzi Chowonetsedwa

Kufotokozera Kwachidule:

Kuwotcherera kwa Arc ndi gawo lofunika kwambiri pakupangachubu chozungulira cholumikizidwamakamakachitoliro cha gasi wachilengedwes. Zimaphatikizapo kugwiritsa ntchito kutentha kwambiri kuti pakhale mgwirizano wolimba komanso wokhazikika pakati pa mapaipi, kuonetsetsa kuti ntchito yodalirika komanso yokhalitsa. Munkhaniyi, tikambirana'Tidzaphunzira zovuta za chitoliro cha gasi wachilengedwe cholumikizidwa ndi spiral welded arc ndi chifukwa chake'gawo lofunika kwambiri la makampani opanga mapaipi.

Tumizani imelo kwa ife

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Kwachitoliro cha gasi wachilengedwes, chitetezo ndi kudalirika ndizofunikira kwambiri. Kulumikiza mapaipi a arc kumagwira ntchito yofunika kwambiri poonetsetsa kuti mapaipi awa amatha kupirira mavuto omwe amakumana nawo nthawi yonse yomwe amagwira ntchito. Njira yolumikizira mapaipi a arc imaphatikizapo kugwiritsa ntchito magetsi kuti apange kutentha kwakukulu komwe kumasungunula m'mphepete mwa mapaipi ndikuwagwirizanitsa.

Muyezo	Kalasi yachitsulo	Kapangidwe ka mankhwala									Katundu wokoka							Mayeso a Charpy Impact ndi Mayeso a Drop Weight Tear
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Mphamvu ya Rt0.5 Mpa		Mphamvu Yokoka ya Rm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Kutalikirana A%
		kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	Zina	kuchuluka	mphindi	kuchuluka	mphindi	kuchuluka	kuchuluka	mphindi
	L245MB	0.22	0.45	1.2	0.025	0.15	0.05	0.05	0.04	1)	0.4	245	450	415	760	0.93	22	Mayeso a Charpy Impact: Mphamvu yoyamwa mphamvu ya thupi la chitoliro ndi msoko wothira weld iyenera kuyesedwa monga momwe zimafunikira mu muyezo woyambirira. Kuti mudziwe zambiri, onani muyezo woyambirira. Mayeso a Drop Weight Footing: Malo odulira tsitsi omwe mungasankhe
GB/T9711-2011（PSL2）	L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	390	545	490			20
	L415MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.42	415	565	520			18
	L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Kukambirana	555	705	625	825	0.95	18
	Zindikirani:
	1）0.015 ≤ Altot ＜ 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Mo ≤ 0.10;
	2）V+Nb+Ti ≤ 0.015%
	3）Pazitsulo zonse, Mo ikhoza kukhala ≤ 0.35%, pansi pa mgwirizano.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Chimodzi mwa zinthu zofunika kuziganizira polumikiza mapaipi a gasi ndi mtundu wa njira yolumikizira yomwe imagwiritsidwa ntchito.chubu chozungulira cholumikizidwas, njira yomwe imagwiritsidwa ntchito kwambiri ndi ukadaulo wothira arc welding (SAW). Izi zimaphatikizapo kugwiritsa ntchito granular flux, yomwe imathiridwa pamalo othira kuti ipange mlengalenga woteteza womwe umaletsa okosijeni ndi zinthu zina zodetsa kuti zisakhudze weld. Izi zimapangitsa weld yapamwamba, yofanana komanso yopanda zolakwika zambiri.

Kuwotcherera Chitoliro Chodzichitira Pawokha

Chinthu china chofunika kuganizira polumikiza mapaipi a gasi lachilengedwe ndi kusankha zinthu zodzaza ndi weld. Zipangizo zodzaza zimagwiritsidwa ntchito kudzaza mipata kapena zolakwika zilizonse mu weld, zomwe zimapangitsa kuti pakhale mgwirizano wolimba komanso wokhazikika. Pa mapaipi ozungulira, zinthu zodzaza ziyenera kugwiritsidwa ntchito zomwe zimagwirizana ndi mtundu wachitsulo womwe umagwiritsidwa ntchito komanso momwe payipiyo imagwirira ntchito. Izi zimatsimikizira kuti weld imatha kupirira kupsinjika ndi kutentha komwe mapaipi a gasi lachilengedwe amakumana nako.

Kuwonjezera pa mfundo zaukadaulo zokhudza kuwotcherera arc, ndikofunikiranso kuganizira ziyeneretso ndi luso la wowotcherera amene akuchita ntchitoyi. Kuwotcherera arc wa mapaipi a gasi lachilengedwe kumafuna luso lapamwamba komanso ukatswiri, komanso kumvetsetsa bwino mavuto ndi zofunikira za ntchitoyi. Ndikofunikira kugwira ntchito ndi owotcherera odziwa bwino ntchito komanso ovomerezeka omwe amatha kupanga mawotcherera apamwamba omwe amakwaniritsa miyezo yokhwima yamakampani.

Pomaliza, chitoliro cha mpweya wachilengedwe cholumikizidwa ndi chubu chozungulira cholumikizidwa ndi arc ndi gawo lofunika kwambiri pamakampani opanga mapaipi. Zimafunika kuganizira mosamala njira zolumikizira, zida zodzaza, ndi ziyeneretso za wowotcherera yemwe akuchita ntchitoyi. Poonetsetsa kuti zinthuzi zikulandira chisamaliro choyenera, zidzakhala zotheka kupanga mapaipi a mpweya wachilengedwe omwe akwaniritsa zofunikira zamakampani kuti akhale otetezeka, odalirika komanso ogwira ntchito kwa nthawi yayitali.

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