Zotayidwa kuwotcherera ndi argon kwa oyamba: sitepe ndi sitepe malangizo. Technology makamaka zotayidwa kuwotcherera argon

Mu zinthu zonse, kusintha mafuta, kumwa mankhwala zitsulo ndi likunena kuwonjezeka. Palibe dera la zochita za anthu, kumene ife tikanakhoza kuchita popanda mankhwala. Mmodzi wa otchuka kwambiri, pamodzi ndi zitsulo ndi kuponyedwa chitsulo, zotayidwa waima. mofulumira kwambiri, wamtengo wapatali, osowa zitsulo unali kunyumba. Kumvetsa luso yokonza kapena chilengedwe cha zatsopano kuchokera nkhaniyi, muyenera kuganizira mwatsatanetsatane monga zotayidwa kuwotcherera ndi argon kwa oyamba. Sitepe ndi sitepe kalozera kungathandize njira izi ngakhale panyumba.

The katundu wa zotayidwa

Akuyendera ndi argon zotayidwa kuwotcherera, sitepe ndi sitepe malangizo oyamba tikambirana hereinafter, ayenera kukhala bwino ndi katundu wa nkhaniyo.

Zotayidwa amachititsa panopa popanda zosafunika nthawi 4 bwino kuposa chitsulo. Nkhanizi amachititsa kutentha kwa chizindikiro 2.2 W / (masentimita K ∙). Mu zitsulo, mwachitsanzo, ndi 0,6 W / (masentimita K ∙). Izi ziyenera kuonedwa ndi mbuye, pamene imachitika zotayidwa kuwotcherera ndi argon. Pakuti oyamba dera lirilonse malangizo ayenera ikuchitika pansi ku mbali zochepetsetsa.

Amagwiritsidwa ntchito kasakaniza wazitsulo ndi AlMg5, AlMg4, 5Mn. madutsidwe awo matenthedwe ndi apamwamba kuposa zitsulo ndi za 1.3 W / (masentimita K ∙).

zotayidwa luso kuwotcherera argon chifukwa zinthu izi musalole kuwonjezeka mu liwiro kwa ndondomekoyi. Apo ayi yafupika kuya malowedwe. Rapid crystallization wa china chotulutsa dziwe kumabweretsa gassing chosakwanira. Mbali imeneyi ya argon kuwotcherera wa zotayidwa angathe kuyambitsa mapangidwe pores mu china chotulutsa lapansi. Choncho, ambiri a mphamvu panopa chofunika koposa zitsulo.

Njira argon zotayidwa kuwotcherera

Zotayidwa kuwotcherera argon, omwe luso wakhala anayamba ntchito zosiyanasiyana, ndi wa mitundu yambiri. Anthu ambiri ndi:

• kuwotcherera ntchito tungsten elekitirodi amene amapezeka mu malo inert mpweya;
• kuwotcherera waya kuti basi otaya mankhwala argon zotayidwa;
• kuwotcherera popanda kugwiritsa ntchito mpweya zoteteza limatsogolera maelekitirodi.

chikhalidwe zofunika akuchititsa ndondomeko kuswa filimu okusayidi amene anapanga padziko workpiece. Chifukwa chaichi, argon zotayidwa kuwotcherera imagwiridwa ntchito AC kapena DC chigamulocho panopa. ndondomeko sangakhoze anachita pa zonse patsogolo panopa. The okusayidi filimu si patukani ku chiwonongeko, zimachokeradi sputtering.

Kuwotcherera akhoza kugawidwa ndi liwiro la ntchito yake pa MIG ndi TIG (AC). Mbali yoyamba, ndondomeko imagwiridwa 3 mofulumira, koma china chotulutsa khalidwe ndi apamwamba kuposa mtundu wachiwiri wa ntchito.

zipangizo

Today ntchito ambiri kasakaniza wazitsulo zotayidwa. Aliyense ali mwini thupi ndi mankhwala makhalidwe ake. Pongotayira waya chifukwa kuwotcherera zotayidwa argon ayenera kugwiritsidwa ntchito mwamsanga. Ngati phukusi kale anatsegula, sitolo mankhwala ameneŵa sangakhale yaitali. Oxidizing pamwamba pa waya filler ndi zosafunika kwa kuwotcherera zotayidwa argon.

Pamaso opaleshoni, pamwamba ndi kutsukidwa kwa nkhani yachilendo. Ngakhale ndi yochepa mu mlengalenga, zotayidwa ali ndi kanema wa Al2O3 okusayidi. Amenewa pa ndondomeko kuwotcherera liyenela makonzedwe a malo otetezeka mpweya inert. Chifukwa chaichi, argon.

Koma ndi bwino ntchito mpweya izi osakaniza ndi helium. Zimenezi zimathandiza kuti tikwaniritse wamkulu china chotulutsa dziwe kutentha. Zimenezi n'zofunika kwambiri makamaka kwa workpieces wandiweyani mipanda. Nthawi zina, theka-zodziwikiratu kuwotcherera wa zotayidwa amapangidwa popanda kugwiritsa ntchito argon, ndi helium yekha.

Komanso ntchito mipweya zimathandiza kupeza msoko zochepa porous.

Zipangizo ndondomeko kuwotcherera

Kuwotcherera wa luso zotayidwa argon tikambirana hereinafter, akuganizira za ntchito zida zina. Kugwira njira amafunika inverter TIG AC, amene adzatumikira monga gwero la AC mphamvu. Zimafunika kupereka dongosolo grounding salephera. Komanso inakonzedwa ntchito maelekitirodi tungsten, filler waya kuti argon kuwotcherera zotayidwa.

ndondomeko amatenda TIG muuni ndi kuzirala wagawo kwa izo, nozzle ndi mwini collet ndi yamphamvu mpweya. Payipi ayenera kukhala odalirika. chidebe adzakhala kupatsidwa zida mpweya kuthamanga kuchepetsa.

Pamakhala munthu kuti ateteze. chishango ichi kuwotcherera ndi chigoba ndi zosasonyeza mtundu wake weniweni galasi, apamwamba chikopa. Akatswiri kugwiritsa ntchito panopa ulamuliro ngo. Pakuti woyamba si chinthu kwambiri, chifukwa kufunika kulabadira zinthu zina.

Ubwino argon kuwotcherera

Kuwotcherera wa zotayidwa argon alternating panopa ali zingapo zochititsa. Iwo kusiyanitsa ndondomeko izi ku mitundu ina ndi ntchito yake ya mapeto.

Argon kuwotcherera chingamulepheretse makutidwe ndi okosijeni wa zotayidwa. gasi Izi okusijeni. Njira imeneyi imagwira ntchito. Pafupifupi kasakaniza wazitsulo zonse zotayidwa akhoza welded njira imeneyi.

Pankhaniyi, mtendere Arc udzachitika. Matabwa kukonzekera ntchito solder waya chifukwa kuwotcherera zotayidwa argon, akamagwira ntchito amphamvu khalidwe zida. Choncho, kupanga inverters yekha wapamwamba kwambiri ntchito.

Only mkulu zida khalidwe ayenera kugwiritsidwa ntchito mwa kunyumba. Izi adzaonetsetsa mphamvu ndi durability wa chotsirizidwa.

mtundu panopa

Pongotayira waya chifukwa kuwotcherera zotayidwa argon mchikakamizo cha Arc magetsi chimasungunula ndi kutitengera limodzi. Pankhaniyi, akatswiri kulengeza ntchito alternating panopa. Ichi ndi chifukwa sayansi ya ndondomekoyi.

Kuwotcherera wa zotayidwa argon DC n'zosiyana polarity mtundu adzakhala kuyeretsa okusayidi njira filimu cathode, koma adzakhala kwambiri kuchuluka kuwotcherera kutentha. Chifukwa cha tungsten ichi kwambiri maelekitirodi anayamba ndithu.

Direct panopa molunjika polarity ndi kungoti amalephera kuswa okusayidi film, ngakhale Arc ndi wolimba. Choncho yekha kusintha kwa polarity amatha kupereka chifukwa apamwamba.

The kukonzekera gawo ntchito

Solder kwa zotayidwa kuwotcherera argon bodza wogawana ndi kupeza mphamvu msoko ngati pamwamba zinthu bwino inakonzedwa ntchito.

Choyamba muyenera degrease zotayidwa. Chifukwa chaichi zosungunulira, mwachitsanzo, acetone kapena benzene. Ndiye, umakaniko kapena mankhwala kutsukidwa padziko okusayidi zotayidwa. Pambuyo chuma ali ndi youma ngati njira apadera ntchito.

Umakaniko okusayidi filimu akhoza kutsukidwa ndi burashi ndi ulusi chitsulo kapena sandpaper. Njira ingagwiritsidwe ntchito kunyumba. Pa kupanga nthawi zonse ankakonda mankhwala mankhwala oyeretsera. Pamwamba zotayidwa ndi atengeke etching mu njira soda, osambitsidwa ndi madzi otentha ndi ozizira, Mukalongosola, ndipo potsiriza zouma.

malamulo ndondomeko

Zotayidwa kuwotcherera ndi argon kwa oyamba dera lirilonse malangizo amene adzachita ntchito kunyumba, kutsatira refractory tungsten maelekitirodi.

Kawirikawiri ndi zosafunika zina kuonjezera mphamvu ndi khalidwe la chifukwa komaliza.

Ulamuliro waukulu kutsata ntchito, ndi malo a waya. Nthawi zonse kukhala patsogolo elekitirodi lapansi. Iwo akhoza kusuntha okha pamodzi msoko lapansi.

Kuwotcherera yokha akhoza kuchitika malo osiyana mu mlengalenga. Komabe bwino khalidwe anaonetsetsa pa wotuluka yopingasa. Pakuti kuwotcherera pa denga kapena pa makoma, osakaniza argon ndi helium.

Kusamalira ndondomeko ndi kuchita ntchito ya Kuvuta mkulu, pa wagawo ndi zikusintha pafupipafupi wa AC ndi bwino.

ayamikira anapanga

Akatswiri kuona makamaka zotayidwa kuwotcherera ndi argon, amene ayenera kutenga nkhani novice mbuye.

elekitirodi ili pafupi ndi chidutswa ntchito. Izi zimathandiza kuti mapangidwe Arc osachepera. Waya ayenera kudyetsedwa bwino, mwinamwake kuyambitsa jerks mwadzidzidzi kupopera zakuthupi.

Arc bata zipangitsa udindo ofukula za elekitirodi lapansi. kuwotcherera liwiro ziyenera kukhala. Kuyambira chithunzi ichi kudzadalira khalidwe la chifukwa komaliza. Kuti ulusi yosalala, cholimba, pamaso opaleshoni ya novice ayenera kuphunzitsidwa luso la kuwotcherera.

Malangizo kwa ndondomekoyi

Zida chifukwa kuwotcherera zotayidwa argon poyamba zimatengera pa workpiece "thupi". Mu dzanja lake lamanzere, mbuye azitenga waya, ndi bwino - ndi burner. Pamene batani ndi mbamuikha kudzam'patsa zida panopa komanso kusowa mpweya wayamba. Pakati pamwamba pa workpiece ndi elekitirodi ndi Arc amapezeka. Iwo udzasungunuka ndi filler zotayidwa waya ndi m'mphepete mwatsatanetsatane. Pankhaniyi, padziko mumayamba kumva china chotulutsa.

Pakuti mbuye odziwa ndondomeko imeneyi, silidzakhala Lofewa. Pakuti woyamba ndikofunika kukhala ndi chizolowezi pang'ono. Zimenezi anayesedwa kwa zaka zambiri ambiri akatswiri. Iye watsimikizira viability ndi kukhalitsa kwake zotsatira za mapeto.

Kutsatira malangizo, komanso kubala maphunziro angapo kuika solder pa kukonzekera mayeso, ngakhale owotcherera novice angachite ntchito bwino ndithu.

mowa

Ikuyenda mlingo wa argon mu kuwotcherera wa zotayidwa zimadalira makulidwe a waya filler, ndi safanana kumawonjezera awiri ake. Mlingo mpweya otaya walembedwa ndi kuthamanga yang'anira zimatengedwa.

Ngati waya awiri ndi 1 mm, ndi argon chofunika 12-14 L / min. Ndi kuwonjezera gawo mtanda wa solder kuti 1.2 mm, mlingo otaya adzakhala 14-16 L / min. Pakuti zotayidwa waya wa mwake 1.6 mamilimita mpweya inert chofunika 18-22 L / min.

Pambuyo kutsekedwa kwa ndondomekoyi kuwotcherera ayenera argon kwa nthawi zinthu padziko workpiece lapansi. Izi zingathandize kuteteza msoko Chiongoko ndi kuziziritsa elekitirodi.

Kuwotcherera zoopsa zoyenera popanda argon

Kugwira mitundu ina ya ntchito kumafunika kuti ntchito apamwamba kutentha china chotulutsa dziwe. Zikatero palibe theka-zodziwikiratu TIG kuwotcherera wa zotayidwa argon. Helium ntchito ndondomeko imeneyi. gasi uyu ali wamkulu matenthedwe madutsidwe, umene uli mwayi mu processing wa preforms wandiweyani mipanda.

Popanda argon mpweya kumasulidwa ndi kokwanira kwambiri, ndi msoko analandira pafupifupi popanda pores. Komanso, njira imeneyi ntchito posankha zonse panopa kuwotcherera zotayidwa. Njira imeneyi ndi zovuta zambiri, choncho ntchito kwambiri kamodzikamodzi.

Kugwiritsa helium koyera kumawonjezera mtengo kwa ndondomekoyi. Yokwaniritsira kuwotcherera pa makoma kapena matabwa a zoterezi mpweya inert ndi irreplaceable. Ndi opepuka kuposa mpweya ndi argon. Pamene helium mtengo, nthaŵi zina akadali ntchito ngati wogwira ntchito kunyumba ndi owotcherera odziwa.

Atalingaliranso za khalidwe lotero luso ndondomeko monga zotayidwa kuwotcherera ndi argon kwa oyamba dera lirilonse malangizo adzatsogolera muzonse onse molondola. Akuluakulu za ntchito, kuphunzira zina zabwino zonse ndi ovuta izo, inu mukhoza kulenga kunyumba welds high quality, amene adzakhala nthawi yaitali. Iyi ndi ndondomeko kovuta, koma udindo njira doable ndi chidwi.