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Welding maitiro esimbi nzvimbo furemu

1.Hunhu hunodiwa kune yakavharidzirwa bhora nzvimbo furemu uye zvikamu Bhara zvinhu: Iyo isina kuvharika kureba uye kukanganisa kwewelding yepombi yesimbi nebhara zviri mukati ± 1mm ​​Bolt bhora: Hapafanirwe kuve nekutsemuka pamusoro, kukanganisa kwechinhambwe kubva pakati pebhora kusvika pamusoro peburi gomba riri mukati me ± 10.2mm, uye kona kutsauka kwegomba rekupura ±30′.Welding inofanira kuitwa maererano neGBJ97-81: kusungirirwa kwezvikamu kunofanira kunge kune simba rakaenzana, uye unhu hwekushongedza hunofanira kunyatsodzorwa.Bhora rinofanira kupiswa kusvika 50 ° risati ravenda ne5016 kana 5015 electrodes.

2.Weld quality giredhi: iyo yekubatanidza weld pakati peplate yekutsigira, bhoti yebhoti uye yakamisikidzwa chikamu cheplate yese yakashongedzwa, giredhi yemhando ndeye 2, uye mamwe ese 3. Mifananidzo yekuvaka inofanira kusvika padanho rechipiri.

3. Simbi inoshandiswa mukugadzirwa kwekutakura mitoro ichava nehumbowo hwekusimba kwesimba, kureba, kusimba kwegoho uye sulfur uye phosphorus content, uye iyo welded structure ichavawo nehumbowo hwekabhoni.Simbi inoshandiswa kune welded inotakura mitoro uye yakakosha isina-weld inotakura-inotakura zvimiro inofanirawo kuve neinotonhora bending test qualification garandi.

4.Iyo welding seam yemhando yekuongorora yemafuremu emuchadenga inofanirwa kusangana nezvinodiwa zvechipiri zvinotsanangurwa mu <> (GB50205-2020).

5. Hunhu hwemhando yeweld huchaenderana neyakajairwa chiyero chenyika "Code for Welding of Steel Structures" GB 50661 Nzira yekuongorora ichaenderana neyazvino chiyero chenyika "Code for Acceptance of Construction Quality of Steel Structure Engineering" GB 50205. Pamabutt welds ane ukobvu husingasviki 6mm, ultrasonic flaw kuonekwa hakuzoshandiswe kuona weld quality giredhi.6.Kana pombi yesimbi nendiro yekuvharisa nemusoro wekoni zvikaita tsvimbo, magaro anosonerera kumigumo yese anenge akazara ekupinda mukati.

 


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welding:

Iyo welding process inzira yakakosha mukugadzirwa kwesimbi nzvimbo furemu, uye inofanirwa kuitwa zvakanyatsoenderana nemirairo yekushanda kwewelding.Deretsa kushushikana kwasara kunokonzerwa newelding, uye nenguva gadzirisa deformation nenzira yekudziya kwemurazvo.

A. Kana pombi yesimbi yakasunganidzwa nendiro yekuvharisa uye pombi yesimbi, gororo richavhurwa zvinoenderana nezvinodiwa, uye groove angle ichasangana nezvinodiwa zvekona yakaumbwa pakati pe electrode uye groove pamusoro kudzivirira kusakanganiswa uye. slag kubatanidzwa.Mukuwedzera, gomba regorofu rinofanira kunge rakakura zvakakwana kuitira kuti electrode arc inogona kusvika pasi pe groove uye kudzivirira kusakwana kwekudzika kwekupinda.
B. Dzivisa kuisa welding seam kusvika pakati petsvimbo apo pombi yesimbi inoputika.
C. Nyaya dzinoda kutariswa mukushanda kwewelding:
a.Munguva yemanyorero arc welding, iyo yekufambisa siyana haifanire kunge yakakura, uye akawanda-pass uye akawanda-layer welding anoshandiswa.
Munguva yekuita, iyo weld bead kana interlayer welding slag, slag inclusion, oxide, nezvimwewo inofanira kubviswa zvakasimba.Kukuya vhiri, simbi inogona kushandiswa.
Zvishandiso zvakaita semabhurashi ewaya.
b.Iyo yakafanana welding seam inofanira kunge yakasungwa nguva dzose uye inopedzwa panguva imwe chete.
c.Kune majoini akasiyana-siyana e weld, mushure mekugadzirisa kwapera, slag nesimbi spatter pamusoro peiyo weld inofanira kucheneswa.
Tarisa kutaridzika kwemhando ye weld, uye hapafanirwe kuve nekushungurudzika, weld bead, undercut, blowhole, kushaikwa kwefusion, kutsemuka.
uye kumwe kukanganisa kuripo.
d.Mushure mekunge butt weld yaiswa welded, ultrasonic flaw yekuona kunofanirwa kuitwa mushure memaawa makumi maviri nemana.

Welding procedure of steel space grid S
Welding procedure of steel space grid S
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Welding procedure of steel space grid S
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