Kukwesha kweSimbi Yesimbi Yesimbi Yemapaipi Egasi Rechisikigo

Tubhu Yakasungirirwa Yesimbi Yekushongedza Arc Yemapaipi Egasi Rechisikigo Mufananidzo Unoratidzwa

Tsananguro pfupi:

Kushongedza arc idanho rakakosha mukugadzirwa kwechubhu yakasungirirwa yakatendereras, kunyanyapombi yegasi rechisikigos. Zvinosanganisira kushandisa tembiricha yakakwirira kugadzira chisungo chakasimba uye chinogara kwenguva refu pakati pemapaipi, zvichiita kuti ashande zvakanaka uye kwenguva refu. Munyaya ino, isu'Ndichanyatsoongorora kuoma kwepombi yegesi yechisikigo yakasungirirwa nesimbi yakasungirirwa nesimbi uye chikonzero nei ichidaro.'chikamu chakakosha cheindasitiri yemapaipi.

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Zvepombi yegasi rechisikigos, kuchengetedzeka uye kuvimbika ndizvo zvinonyanya kukosha. Kubatanidza arc kunoita basa rakakosha mukuona kuti mapaipi aya anokwanisa kutsungirira mamiriro akaoma aanosangana nawo munguva yawo yebasa. Maitiro ekubatanidza arc anosanganisira kushandisa magetsi kugadzira kupisa kwakanyanya kunonyungudutsa mipendero yemapaipi uye kuabatanidza pamwe chete.

Zvakajairika	Giredhi resimbi	Kuumbwa kwemakemikari									Zvivako zvekusunga							Kuedza kweCharpy Impact uye Kuedza kweDrop Weight Tear Test
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Simba reRt0.5 Mpa		Simba reKusimba reRm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Kureba A%
		zvakanyanya	zvakanyanya	zvakanyanya	zvakanyanya	zvakanyanya	zvakanyanya	zvakanyanya	zvakanyanya	Zvimwe	zvakanyanya	miniti	zvakanyanya	miniti	zvakanyanya	zvakanyanya	miniti
	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	Kuedza kweCharpy impact: Simba rinonyudza impact remutumbi wepombi uye musono we weld rinofanira kuyedzwa sezvinodiwa muchiyero chekutanga. Kuti uwane rumwe ruzivo, ona chiyero chekutanga. Kuedza kwekubvisa uremu: Nzvimbo yekuchekerera ine sarudzo
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	Kukurukurirana	555	705	625	825	0.95	18
	Cherechedza:
	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）Kune ese magiredhi esimbi, Mo inogona ≤ 0.35%, pasi pechibvumirano.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Chimwe chezvinhu zvakakosha zvekufunga nezvazvo pakugadzira mapaipi egasi rechisikigo ndiyo nzira yekushongedza inoshandiswa.chubhu yakasungirirwa yakatendereras, nzira inonyanya kushandiswa tekinoroji yekubatanidza arc (SAW) iri pasi pemvura. Izvi zvinosanganisira kushandisa granular flux, iyo inodururwa pamusoro penzvimbo yekushongedza kuti igadzire mhepo inodzivirira oxidation nezvimwe zvinosvibisa kuti zvisakanganise weld. Izvi zvinoguma ne weld yemhando yepamusoro, yakafanana isina zvikanganiso zvakawanda.

Chimwe chinhu chakakosha pakusarudza zvinhu zvinozadza simbi nemagetsi. Zvinhu zvinozadza simbi zvinoshandiswa kuzadza mipata kana kusarongeka kwesimbi, zvichigadzira chisungo chakasimba uye chinowirirana. Pamapaipi anozadza simbi nemagetsi, zvinhu zvinozadza simbi zvinofanirwa kushandiswa zvinoenderana nesimbi chaiyo inoshandiswa uye mamiriro ekunze ayo mapaipi ari kusangana nawo. Izvi zvinoita kuti simbi ikwanise kumira kumanikidzwa nekupisa kunowanikwa nemapaipi egasi.

Pamusoro pezvinhu zvehunyanzvi hwekusanganisa arc welding, zvakakoshawo kufunga nezvezvikwaniriso neruzivo rwemuchina wekusanganisa arc ari kuita basa racho. Kusanganisa arc welding yemapaipi egasi rechisikigo kunoda hunyanzvi hwepamusoro nehunyanzvi, pamwe nekunzwisisa zvakakwana matambudziko akasiyana nezvinodiwa nebasa racho. Zvakakosha kushanda nevachina vekusanganisa vane ruzivo uye vane magwaro vanogona kugara vachigadzira ma weld emhando yepamusoro anoenderana nezvinodiwa zveindasitiri.

Mukupedzisa, pombi yegesi yechisikigo inosungirirwa nesimbi yakasungirirwa nesimbi yakasungirirwa nesimbi chinhu chakakosha muindasitiri yemapaipi. Zvinoda kunyatsofungisisa matekiniki ekushongedza, zvinhu zvekuzadza, uye zvinodiwa nemuchina wekushongedza ari kuita basa racho. Nekuona kuti zvinhu izvi zvinowana kutarisirwa kwazvinofanirwa, zvinokwanisika kugadzira mapaipi egesi yechisikigo anosangana nezvinodiwa neindasitiri iyi zvekuchengetedza, kuvimbika uye kushanda kwenguva refu.

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