Tsitsani chubu chowala cha gc
Wachitoliro chachilengedwes, chitetezo ndi kudalirika ndizofunikira. Kuphatikiza kwa Arc kumathandizanso kuonetsetsa kuti matope awa amatha kupirira mavuto omwe amakumana nawo pa moyo wawo wautumiki. Njira yodzola yodzitchezera ya Arc imaphatikizapo kugwiritsa ntchito magetsi kuti apange kutentha kwambiri komwe kumasungunuka m'mphepete mwa mapaipi ndikuwawononga pamodzi.
Wofanana | Kalasi yachitsulo | Kuphatikizika kwa mankhwala | Katundu wonenepa | Chiyeso cha Charpy chimakhala ndi kuyesa kwa thupi | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4) (%) | RT0.5 COPA ramulani mphamvu | Mphamvu ya RM MPA | RT0.5 / RM | (L0 = 5.65 √ s0) econgsion A% | ||||||
max | max | max | max | max | max | max | max | Ena | max | min | max | min | max | max | min | |||
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 | Chiyeso cha Charpy charpy: chimakhudza mphamvu ya chitoliro cha chitoliro cha chitoliro cha chitoliro cha weld chidzayesedwa monga amafunikira muyezo woyambirira. Kuti mumve zambiri, onetsetsani mzere woyambayo. Kuchepetsa thupi kugwedeza: malo osankha | |
GB / T971111111 (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 ≤ at <0.060; n ≤ 0.015; ch ≤ 0.30; Mo ≤ 0.10 | ||||||||||||||||||
2) v + nb + ti ≤ 0.015% | ||||||||||||||||||
3) Pazitsulo zonse zachitsulo, mo Meyi ≤ 0.35%, pansi pa mgwirizano. | ||||||||||||||||||
4) CEV = Cn / 6 + (cr + mo + v) / 5 + (5) / 5 |
Chimodzi mwazinthu zofunikira kuti muganizire pamene Arc amalowerera matupi achilengedwe ndi mtundu wa njira yotentha yomwe imagwiritsidwa ntchito. Wachubu chowalas, njira yogwiritsidwa ntchito kwambiri imagwirizanitsidwa kwambiri. Izi zimaphatikizapo kugwiritsa ntchito glanular flux, yomwe imathiridwa pamalo owiritsa kuti apange malo otetezera omwe amalepheretsa makutidwe ndi zodetsa zosokoneza. Izi zimapangitsa kuti ikhale yofanana, yunifolomu yopepuka yopanda zofooka zochepa.

Lingaliro linanso lofunika lomwe Arc limalola mapaipi achilengedwe ndikusankhidwa kwa zinthu zofananira. Zinthu zofananira zimagwiritsidwa ntchito kudzaza mipata iliyonse kapena kusasamala mu udzu, ndikupanga mgwirizano wamphamvu komanso wosasintha mosasintha. Kwa mapaipi owoneka bwino, zofananira ziyenera kugwiritsidwa ntchito zomwe zikugwirizana ndi kalasi yachitsulo yomwe imagwiritsidwa ntchito komanso nyengo yomwe ilipo imawululidwa. Izi zikutsimikizira kuti weld imatha kupirira zovuta ndi kutentha komwe kumachitika ndi mapaipi achilengedwe.
Kuphatikiza pa luso la marc kutchemberera, ndikofunikiranso kuganizira ziyeneretsozo ndi luso la wolowererayo akugwira ntchitoyo. Makina owotchera matupi achilengedwe amafunikira luso komanso ukadaulo wapamwamba, komanso kumvetsetsa bwino zovuta ndi zofunikira za ntchitoyo. Ndizosavuta kugwira ntchito ndi otsetsereka komanso otsimikizika omwe amatha kupanga ma wedi nthawi zonse omwe amakhala ndi miyezo yolimba.
Pomaliza, wowoneka bwino chubu arc weded chitoliro cha gasi ndi gawo lalikulu la malonda opanga mapaipi. Zimafunikira kuganizira mosamalitsa njira zowonekera, zida zofanizira, komanso ziyeneretso za wolowererapo ntchito. Pakuwonetsetsa kuti zinthuzi zimalandira chisamaliro chomwe amafunikira, chitha kupanga ziphuphu zachilengedwe zomwe zimakwaniritsa zofunikira za mafakitale kuti zitetezeke, kudalirika komanso kugwira ntchito kwa nthawi yayitali.