Nkhani - Loboti ya Yooheart iwuza zidziwitso za kuwotcherera kwa gasi woteteza

Kuwotcherera kotetezedwa ndi mpweya kumatanthauza njira yowotcherera yomwe imatetezedwa ndi mpweya woipa kapena argon, popanda kugwiritsa ntchito waya wowotcherera. Njira yowotcherera yotetezedwa ndi gasi ndiyoyenera kuwotcherera ma projekiti akulu akulu akulu azitsulo monga chitsulo chochepa cha carbon ndi chitsulo chochepa cha alloy champhamvu kwambiri. Ili ndi zopangira zowotcherera kwambiri, kukana bwino kwa crack, kapindika kakang'ono kowotcherera, ndi mitundu yayikulu yopindika. Kuwotcherera mbale woonda ndi mbale zapakati ndi zokhuthala ndizotheka.

Njira zosiyanasiyana kuwotcherera gasi zotetezedwa kuwotcherera

1. kuwotcherera moyima mmwamba

Udindo wa torchi wowotcherera ndi wofunikira kwambiri pakuwotcherera molunjika, ndipo nyali yowotcherera iyenera kukhala pafupifupi perpendicular kwa workpiece. Pa kuwotcherera mizere yowongoka, mkanda wowotcherera umakhala wowoneka bwino, ndipo mawonekedwe a weld mkanda amakhala osauka komanso osavuta kudulira.

Pa kuwotcherera kwamitundu yambiri, mkanda wodzaza kumbuyo ndi wosavuta kuti usawotchedwe, motero nthawi zambiri sugwiritsidwa ntchito. Choncho, kuwotcherera m'mwamba chowotcherera nthawi zambiri kumasinthasintha, ndipo njira yogwedezeka ndi yocheperapo. Popeza kutentha kumakhazikika panthawiyi, mkanda wa weld ndi wosavuta kuphulika, choncho uyenera kusuntha mofulumira pansi pa chikhalidwe cha yunifolomu.

Ngati pakufunika mwendo wowotcherera wokulirapo, njira yokhotakhota iyenera kugwiritsidwa ntchito kusuntha mwachangu pakati pa mkanda wowotcherera ndikukhala pang'ono mbali zonse kuti musadutse. Komabe, kusamala kuyenera kuchitidwa kuti musagwiritse ntchito chopindika chopendekera pansi chopendekera pansi.

2. ofukula pansi kuwotcherera

Powotcherera kunsi, kuti dziwe losungunula likhalebe losasunthika, nyali yowotchererayo iyenera kuloza kunsi kwa dziwelo ndikukhalabe ndi ngodya inayake. Arc nthawi zonse iyenera kuyang'ana kutsogolo kwa dziwe losungunuka, apo ayi, chitsulo chosungunula chikalowa kutsogolo kwa arc, zimakhala zosavuta kuyambitsa zowotcherera komanso zosalowa. Dawe chitsulo kukankhidwira mmwamba.

Zifukwa za porosity mu kuwotcherera gasi wotetezedwa

Gasi woteteza woyipa

1. Ubwino wa mpweya mu silinda ya gasi si wabwino, ndipo ulibe chiyero choposa 98%. Lili ndi mpweya woipa monga nayitrogeni, womwe umayambitsa pores pambuyo pakuwotcherera.

2. Chitoliro cha gasi kuchokera ku silinda ya gasi kupita ku nyali yowotcherera siili yolimba, ndipo mpweya umabweretsedwa kuti upange pores.

3. Kusokonezeka kwa mpweya kumatulutsa stomata

a. Mphepo yakunja imasokoneza mpweya woteteza kuzungulira dziwe losungunuka

b. Kutsika kwa gasi kapena splatter kutseka nozzle

c. Ngodya ya tochi yowotcherera ndi yayikulu kwambiri kapena tochi yowotcherera ili kutali kwambiri ndi chogwirira ntchito

d. Mphete ya kalozera wa gasi shunt ceramic ya mphuno ya nyali yawonongeka ndipo sinachotsedwe kapena kusinthidwa

4. Kuwotcherera makina owongolera mpweya valavu imatsegula kutsekeka, kutseka koyambirira, kapena kusalumikizana bwino pafupipafupi

Zowonongeka mu waya wowotcherera ndi zitsulo zoyambira zokha

1. Waya wowotcherera wokhazikika ndi dzimbiri, wamafuta, ndi zina.

2. Ufa wamkati wa waya wowotcherera wopangidwa ndi flux-cored ndi wonyowa, ndipo kunja kwake ndi dzimbiri.

3. Pali pores m'munsi zitsulo palokha, kapena pali kuipitsidwa kwamafuta ambiri mkati, kapena kusintha khalidwe zitsulo chifukwa cha ntchito kwa nthawi yaitali m'madera mankhwala, monga mapaipi mankhwala, makina chida chitsulo ndi kuponyedwa mbali zitsulo.

4. Pali zoipitsa kapena madzi omwe amatulutsa mpweya woipa m'malo owotcherera, ndipo samatsukidwa.

Zopanda nzeru kuwotcherera magawo

Ngati kasinthidwe kamakono ndi voteji ndi yaikulu kwambiri, n'zosavuta kuwola mpweya woipa mu carbon monoxide pa kutentha kwambiri ndi mkulu ionization chilengedwe pamene kutentha athandizira ndi lalikulu, ndi carbon monoxide pores adzakhala kwaiye pamene weldment kuzizira mwamsanga.

Lingaliro la yankho

1. Onjezani argon kapena mpweya wosakaniza wa carbon dioxide kuti muwone ngati mpweya wa carbon dioxide ndi wodetsedwa, ndikuwona ngati mpweya wosakanizidwawo uli ndi mphamvu zotetezera bwino. Ngati inde, sinthani gawo loperekera gasi ndi khalidwe labwino.

2. Pansi pa chitetezo cha gasi wosakanikirana, palinso pores kuti athetse chifukwa cha mpweya, ndipo zifukwa zina zikhoza kufufuzidwa mowonekera.

3. Ndibwino kuti musanyalanyaze mavuto azitsulo zoyambira ndi waya wowotchererae mwini.

Nthawi yotumiza: Nov-01-2022

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