Kodi mumadziwa bwanji za kuwotcherera?

Q1: Kodi kuwotcherera chuma ndi chiyani?Zoti muphatikizepo?

Yankho: Kuwotcherera zipangizo monga kuwotcherera ndodo, kuwotcherera mawaya, fluxes, mpweya, maelekitirodi, gaskets, etc.

Q2: Kodi electrode asidi ndi chiyani?

Yankho: Kuphimba kwa electrode ya asidi kumakhala ndi ma oxide ambiri a asidi monga SiO2, TiO2 ndi kuchuluka kwa carbonate, ndipo alkalinity ya slag ndi yochepa kuposa 1. Titaniyamu electrodes, calcium titanium electrodes, ilmenite electrodes ndi iron oxide. ma electrodes onse ndi ma electrode a asidi.

Q3: Kodi elekitirodi yamchere ndi chiyani?

Yankho: Chophimba cha alkaline electrode chimakhala ndi zinthu zambiri zopangira slag monga marble, fluorite, etc., ndipo zimakhala ndi deoxidizer ndi alloying alloying.Ma electrode amtundu wa hydrogen ndi ma elekitirodi amchere.

Q4: Kodi ma elekitirodi a cellulose ndi chiyani?

Yankho: Chophimba cha electrode chimakhala ndi ma cellulose ambiri komanso arc yokhazikika.Zimawonongeka ndikupanga mpweya wambiri kuti uteteze chitsulo chowotcherera panthawi yowotcherera.Mtundu uwu wa electrode umapanga slag wochepa kwambiri ndipo ndi wosavuta kuchotsa.Amatchedwanso ofukula kutsika kuwotcherera elekitirodi.Itha kuwotcherera m'malo onse, ndipo kuwotcherera koyima kumatha kuwotcherera pansi.

Q5: Chifukwa chiyani ma elekitirodi ayenera kuumitsidwa mosamalitsa asanawotchedwe?

Ndodo zowotcherera zimakonda kusokoneza magwiridwe antchito chifukwa cha kuyamwa kwa chinyezi, zomwe zimapangitsa kuti arc isasunthike, kuchuluka kwa spatter, komanso kutulutsa mosavuta pores, ming'alu ndi zolakwika zina.Choncho, ndodo yowotcherera iyenera kuumitsidwa mosamalitsa musanagwiritse ntchito.Nthawi zambiri, kuyanika kutentha kwa elekitirodi asidi ndi 150-200 ℃, ndipo nthawi ndi 1 ora;kutentha kowuma kwa electrode ya alkaline ndi 350-400 ℃, nthawiyo ndi maola 1-2, ndipo imawuma ndikuyika mu chofungatira pa 100-150 ℃ Mkati, tengani pamene mukupita.

Q6: Kodi kuwotcherera waya ndi chiyani?

Yankho: Ndi waya wachitsulo womwe umagwiritsidwa ntchito ngati zitsulo zodzaza panthawi yowotcherera ndikugwiritsidwa ntchito poyendetsa magetsi panthawi yomweyi yotchedwa kuwotcherera waya.Pali mitundu iwiri: mawaya olimba ndi waya wozungulira.Ambiri ntchito olimba kuwotcherera chitsanzo waya: (GB-dziko muyezo China) ER50-6 (kalasi: H08Mn2SiA).(AWS-American Standard) ER70-6.

Q7: Flux cored kuwotcherera waya ndi chiyani?

Yankho: Mtundu wa waya wowotcherera wopangidwa kuchokera ku n'kupanga zitsulo zopyapyala zokulungidwa mu mipope yozungulira yachitsulo ndikudzazidwa ndi ufa wina.

Q8: Chifukwa chiyani waya wopangidwa ndi flux amatetezedwa ndi mpweya wa carbon dioxide?

Yankho: Pali mitundu inayi ya waya wowotcherera wozungulira: acidic flux-cored gas shielded welding waya (mtundu wa titaniyamu), alkaline flux-cored gas shielded welding waya (mtundu wa titaniyamu calcium), chitsulo ufa mtundu flux-cored mpweya wotetezedwa waya wotchinga. ndi waya wowotcherera wodzitetezera wodziteteza.Waya wowotcherera wa titaniyamu wamtundu wa flux-cored nthawi zambiri amatetezedwa ndi mpweya wa CO2;mawaya ena owotcherera a flux-cored amatetezedwa ndi mpweya wosakanizika (chonde onani mawaya a flux-cored).Metallurgical reaction of the gasi slag formula ndi yosiyana, chonde musagwiritse ntchito molakwika gasi woteteza.Flux-cored kuwotcherera waya gasi slag kuphatikiza chitetezo, wabwino kuwotcherera msoko mapangidwe, mkulu mabuku katundu makina.

Q9: Chifukwa chiyani pali zofunikira zaukadaulo pakuyeretsa mpweya wa carbon dioxide?

Yankho: Nthawi zambiri, mpweya wa CO2 umachokera kuzinthu zopangidwa ndi mankhwala, ndi chiyero cha 99.6% yokha.Lili ndi zizindikiro za zonyansa ndi chinyezi, zomwe zidzabweretse zolakwika monga pores ku weld.Pazinthu zofunikira zowotcherera, mpweya wokhala ndi CO2 chiyero ≥99.8% uyenera kusankhidwa, wokhala ndi ma pores ochepa mu weld, otsika wa haidrojeni, komanso kukana kwabwino kwa ming'alu.

Q10: Chifukwa chiyani muli ndi zofunikira zapamwamba zaukadaulo wa argon chiyero?

Yankho: Pakali pano pali mitundu itatu ya argon pamsika: plain argon (chiyero chozungulira 99.6%), argon woyera (chiyero chozungulira 99.9%), ndi argon apamwamba (chiyero 99.99%).Awiri oyambirira amatha kuwotcherera ku zitsulo za carbon ndi zitsulo zosapanga dzimbiri.Mkulu-chiyero argon ayenera kugwiritsidwa ntchito kuwotcherera zitsulo sanali chitsulo monga zitsulo zotayidwa ndi zitsulo zotayidwa, titaniyamu ndi titaniyamu aloyi;kupewa makutidwe ndi okosijeni a weld ndi zone yokhudzidwa ndi kutentha, mapangidwe apamwamba kwambiri komanso okongola sangapezeke.

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