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Kodi makina odulira gasi a cnc amagwiritsa ntchito mpweya wanji?

1. Kodi makina odulira gasi a cnc amagwiritsa ntchito chiyani?

Makina odulira gasi a cnc ndi mtundu wa zida zopangira zomwe zimagwiritsa ntchito kutentha kwapamwamba kwambiri kwa plasma arc kuti zisungunuke (ndi kusungunula) zitsulo pakupanga kwa workpiece, ndikugwiritsa ntchito kuthamanga kwa plasma yothamanga kwambiri kuchotsa chosungunukacho. zitsulo kupanga chocheka.Oxygen amadula zitsulo zolimba-kudula.Ambiri ntchito cnc mpweya kudula makina mpweya ntchito ndi:

 gasi 1

1. Mpweya

Mpweya uli ndi 78% ya nayitrogeni ndi voliyumu, kotero mapangidwe a slag omwe amapangidwa ndi kudula kwa mpweya ndi ofanana kwambiri ndi pamene kudula ndi nayitrogeni;Komanso, mpweya ulinso pafupifupi 21% mpweya ndi voliyumu.Liwiro la mpweya kudula wofatsa zitsulo zipangizo komanso mkulu kwambiri;panthawi imodzimodziyo, mpweya umakhalanso mpweya wogwira ntchito kwambiri, ndipo ma nozzles ndi ma electrode omwe amagwiritsidwa ntchito amakhala ndi moyo wapamwamba.

2. Oxygen

Makina odulira gasi a cnc omwe amagwiritsa ntchito mpweya ngati mpweya wogwira ntchito amatha kukulitsa liwiro la kudula zida zachitsulo zofewa, koma mpweya ukagwiritsidwa ntchito pawokha pakudula, padzakhala phulusa ndi okosijeni wa kerf, ndipo moyo wamagetsi ndi ma nozzles ndi otsika, omwe zidzakhudzanso magwiridwe antchito.ndi kuchepetsa ndalama.

 gasi 2

3. Argon

Mpweya wa Argon sumagwiranso ntchito ndi chitsulo chilichonse pa kutentha kwakukulu, argon yomwe imagwiritsidwa ntchito ndi makina odulira gasi a cnc imakhala yokhazikika, ndipo ma nozzles ndi maelekitirodi omwe amagwiritsidwa ntchito amakhala ndi moyo wautali wautumiki.Komabe, argon plasma arc ili ndi magetsi otsika, enthalpy otsika, komanso luso lochepa locheka.Poyerekeza ndi kudula kwa mpweya, makulidwe a makina odulira makina a cnc adzachepetsedwa ndi 25%.Kuonjezera apo, m'malo otetezedwa a argon, kuthamanga kwapamwamba kwachitsulo chosungunuka ndi chachikulu, chomwe chili pafupi ndi 30% kuposa chomwe chili mu chilengedwe cha nayitrogeni, kotero padzakhala mavuto ambiri a slag.Ngakhale cnc gasi kudula makina osakaniza ndi osakaniza argon ndi mpweya wina akhoza kukhala ndi slag kukakamira mavuto.Zotsatira zake, argon yoyera yokha sagwiritsidwa ntchito kawirikawiri podula plasma masiku ano.

4. haidrojeni

Hydrogen nthawi zambiri amagwiritsidwa ntchito ngati gasi wothandizira kusakaniza ndi mpweya wina wogwiritsidwa ntchito ndi makina odulira gasi a cnc.Mwachitsanzo, mpweya wodziwika bwino H35 (gawo la voliyumu ya haidrojeni ndi 35%, ndipo yotsalayo ndi argon) ndi imodzi mwa mipweya yomwe ili ndi mphamvu yodula kwambiri ya plasma arc, yomwe makamaka chifukwa cha hydrogen.Popeza hydrogen imatha kukulitsa mphamvu ya arc voltage, jet ya hydrogen plasma imakhala ndi enthalpy yamtengo wapatali.Ikasakanizidwa ndi argon kwa makina odulira gasi a cnc, luso lodula la jet ya plasma limakula kwambiri.Nthawi zambiri, pazinthu zachitsulo zokhala ndi makulidwe opitilira 70mm, argon + haidrojeni amagwiritsidwa ntchito.Monga kudula gasi, ngati ndege yamadzi imagwiritsidwa ntchito kupititsa patsogolo argon + hydrogen plasma arc, kudulira kwapamwamba kumatha kupezekanso pamene cnc kudula makina opangira gasi.

5. Nayitrojeni

Nayitrogeni ndi omwe amagwiritsidwa ntchito kwambiri gasi pamakina odulira gasi a cnc.Pansi pa voteji yamagetsi apamwamba, nitrogen plasma arc imakhala yosagwira ntchito bwino komanso mphamvu yayikulu ya jet kuposa argon, ngakhale podula zida zazitsulo zamadzimadzi zokhala ndi mamasukidwe apamwamba monga Pankhani ya chitsulo chosapanga dzimbiri ndi ma aloyi a faifi tambala, kuchuluka kwa slag kupachikika. m'mphepete m'munsi mwa odulidwa alinso laling'ono kwambiri pamene cnc mpweya kudula makina kudula.Mu ndondomeko kudula kwenikweni, Ndi bwino kusankha abwino ntchito mpweya kwa cnc mpweya kudula makina malinga ndi kudula zofuna zanu ndi ndalama zachuma.

 gasi 3

Chachiwiri, makina odulira plasma mpweya amafuna mpweya

Makina odulira mpweya wa plasma, monga momwe dzinalo likusonyezera, ndi makina odulira plasma omwe amagwiritsa ntchito mpweya ngati mpweya wogwira ntchito.Makina odulira gasi a cnc ali ndi zofunika zina za mpweya wogwiritsidwa ntchito:

Mpweya womwe umagwiritsidwa ntchito ndi makina odulira gasi wa cnc ndi mpweya woponderezedwa, womwe umafuna kuti mpweya ukhale wouma komanso woyera, komanso kuyenda ndi kupanikizika kuti zikhale zokhazikika, chifukwa panthawi yodula makina a cnc gasi, kupanikizika kwa gasi. , mpweya wokhazikika, ndi kuuma ndi kuyera kwa gasi zimakhudza mwachindunji.Ubwino wa cnc gasi kudula makina kudula ndi ngati arc akhoza anayamba bwinobwino.Kawirikawiri, ikhoza kufufuzidwa ndi njira zotsatirazi:

1. Yang'anani ngati muyeso wa kuthamanga kwa mpweya pa cnc gasi kudula makina alamu.Ngati makina odulira gasi a cnc, chonde tembenuzirani batani losinthira mpweya kuti muwonjezere kuthamanga kwa mpweya.

2. Yang'anani ngati mpweya wotuluka pa makina odulira gasi wa cnc ndi wabwinobwino, yatsani kusintha kwa mpweya kuti muchepetse mpweya kuti muwone ngati kutsika kwa mpweya kumatsika, ngati dontho liri lalikulu, zikutanthauza kuti kuthamanga kwa mpweya sikukwanira. , ndiye thanki yosungirako gasi iyenera kuwonjezeredwa kutsogolo kwa makina odulira gasi a cnc kuti atsimikizire kuchuluka kwa gasi;

3. Yang'anani ngati gasi ndi wouma komanso wangwiro, kanikizani pansi pa cholekanitsa madzi amafuta a makina odulira gasi a cnc, ndikutulutsa.Ngati pali madzi ambiri oyera mu gasi wotulutsidwa, zikutanthauza kuti pali mafuta ambiri ndi madzi mumlengalenga.Mpweya woterewu suyenera kugwiritsidwa ntchito.


Nthawi yotumiza: Jul-22-2022