Laser Beam Welding VS Plasma Arc Welding

An sabunta ta ƙarshe: 2024-11-29 By Karatu na Minti 5

Laser Beam Welding VS Plasma Arc Welding

Laser waldi da plasma waldi ne mafi mashahuri karfe waldi mafita a duniya, menene bambance-bambance a tsakanin su, bari mu fara kwatanta Laser katako waldi da plasma baka waldi.

Laser Beam Welding

Laser katako walda wata hanya ce mai inganci kuma madaidaiciyar hanyar walda ta amfani da katako mai ƙarfi mai ƙarfi a matsayin tushen zafi. Ana iya yin walda ta hanyar ci gaba ko ƙwanƙwasa katako na Laser. Dangane da ka'idodin waldi na Laser, ana iya ƙara haɓaka hanyoyin zuwa gida biyu: walƙiya mai ɗaukar zafi da walƙiya mai zurfi na Laser. Ƙarfin ƙarfin da ke ƙasa 104 ~ 105 W/cm2 yana nufin walƙiyar zafi. A lokacin, zurfin shigar ba shi da zurfi tare da jinkirin saurin walda; lokacin da yawan ƙarfin ya fi girma fiye da 105 ~ 107W / cm2, a ƙarƙashin aikin zafi, saman ƙarfe yana ɗaukar hutu a cikin bayyanar "rami" don samar da walƙiya mai zurfi.

Walkar Laser

Features

Siffofin Gudun Welding Mai Saurin Da Babban Rabo Mai Girma

Laser katako walda gabaɗaya yana amfani da ci gaba da katako na Laser don kammala haɗin kayan. Tsarin jiki na ƙarfe na ƙarfe yana kama da walƙiya na katako na lantarki, wato, tsarin jujjuya makamashi yana cika ta hanyar tsarin "maɓalli-rami".

Karkashin isassun isassun wutar lantarki mai yawa Laser iska mai guba, kayan yana ƙafewa kuma suna samar da ƙananan ramuka. Wannan ƙaramin rami mai cike da tururi yana kama da baƙar fata, yana ɗaukar kusan dukkanin ƙarfin wutar lantarki. Matsakaicin zafin jiki a cikin rami yana kusan 2500C. Ana canja wurin zafi daga bangon waje na babban dakin zafin jiki, yana narkewa da ƙarfe da ke kewaye da rami. Ƙananan ramuka suna cike da tururi mai zafi wanda aka haifar ta hanyar ci gaba da zubar da kayan bango a ƙarƙashin hasken haske.

Ganuwar 4 na ƙananan ramukan suna kewaye da narkakkar karfe kuma ƙarfen ruwa ya kewaye da ingantaccen kayan. (A mafi yawan al'ada waldi tafiyar matakai da Laser conduction waldi, da makamashi ne 1st (Deposited a kan surface na workpiece, sa'an nan kuma hawa zuwa ciki ta hanyar canja wuri). A ruwa gudana a waje da rami bango da surface tashin hankali na bango Layer ne daidai da tururi matsa lamba ci gaba da haifar a cikin rami rami da kuma kula da wani tsauri ma'auni. The haske katako ci gaba da shiga cikin kananan rami, da kuma kayan da aka ci gaba da kwarara a waje da kananan rami, da kuma kayan da aka ci gaba da gudana a waje da kananan rami. rami ko da yaushe yana cikin kwanciyar hankali na kwarara.

Wato ƙaramin rami da narkakkar ƙarfen da ke kewaye da ramin za su yi gaba tare da saurin gaba na katakon jagora. Karfe da aka narkar da shi ya cika ratar da karamin ramin ya bari sannan ya takure, sannan aka yi walda. Duk abubuwan da ke sama suna faruwa da sauri ta yadda saurin walda zai iya kaiwa mita da yawa cikin sauƙi a cikin minti daya.

1. Laser beam waldi shine fusion waldi, wanda ke amfani da katako na Laser a matsayin tushen makamashi kuma yana tasiri ga haɗin gwiwa.

2. Za a iya jagorantar katakon Laser ta hanyar lebur na gani (kamar madubi), sa'an nan kuma an zana katako a kan kabu mai walƙiya tare da wani abu mai mahimmanci ko ruwan tabarau.

3. Laser katako waldawa ne mara lamba waldi. Ba a buƙatar matsa lamba yayin aiki, amma ana buƙatar iskar gas don hana oxidation na narkakken tafkin. Ana amfani da karfen filler lokaci-lokaci.

4. Za a iya haɗa waldawar katako ta Laser tare da MIG waldi don samar da walƙiyar Laser MIG don cimma babban walƙar shigar ciki, yayin da shigar da zafi yana raguwa sosai idan aka kwatanta da walƙar MIG.

Aikace-aikace

Ana amfani da na'urar waldawa ta Laser a cikin irin waɗannan filayen masana'antu masu inganci kamar motoci, jiragen ruwa, jiragen sama, da jirgin ƙasa mai sauri. Ya inganta yanayin rayuwa sosai ga mutane kuma ya haɓaka masana'antar kayan aikin gida zuwa ingantacciyar injiniya.

Plasma Arc Welding

Welding Arc Plasma yana nufin hanyar waldawar fusion wacce ke amfani da katako mai ƙarfi mai ƙarfi na plasma a matsayin tushen zafin walda. A lokacin walda, iskar ion gas (samar da ion arc) da iskar kariya (don kare narkakkar tafkin da waldawa daga illolin iska) suna da tsabtar argon. Na'urorin lantarki da ake amfani da su wajen waldawar baka na plasma gabaɗaya tungsten electrodes ne kuma wani lokaci ana buƙatar cika su da ƙarfe (wayar walda). Gabaɗaya, ana ɗaukar hanyar haɗin kai mai kyau na DC (tungsten sanda an haɗa shi da wutar lantarki mara kyau). Don haka, waldawar arc ɗin plasma shine ainihin walda mai garkuwar gas tungsten tare da tasirin matsawa.

Plasma Arc Welding

Plasma arc waldi yana da halaye na maida hankali makamashi, babban yawan aiki, saurin waldawa, ƙananan nakasar damuwa, da tsayayyen warewa na lantarki, kuma ya dace da walda faranti na bakin ciki da kayan akwatin. Ya dace da nau'ikan refractory, sauƙin oxidized, da kayan ƙarfe masu zafi (irin su tungsten, molybdenum, jan ƙarfe, nickel, titanium, da sauransu).

Ana rarraba iskar gas ta hanyar dumama arc kuma ana matsawa lokacin wucewa ta cikin bututun mai sanyaya ruwa a cikin babban sauri, yana ƙara yawan kuzarin kuzari da matakin rarrabawa, yana samar da baka na plasma. Ƙarfinsa, ƙimar calorific, da zafin jiki sun fi girma arc, don haka yana da mafi girman shigar ciki da saurin walda. Gas ɗin da ke samar da baka na plasma da iskar kariya da ke kewaye da ita gabaɗaya suna amfani da argon mai tsafta. Dangane da kaddarorin kayan aikin daban-daban, wasu suna amfani da helium, nitrogen, argon, ko cakuda duka biyun.

Features

1. Micro-beam plasma baka waldi na iya walda foils da bakin ciki faranti.

2. Tare da karamin rami sakamako, zai iya mafi alhẽri gane guda-gefe waldi da biyu-gefe free forming.

3. Plasma arc yana da ƙarfin ƙarfin ƙarfi, babban zafin jiki na baka, da ƙarfin shiga mai ƙarfi. Yana iya samun 10-12mm kauri karfe ba tare da bevel waldi. Ana iya walda shi ta hanyar kafa mai gefe biyu lokaci guda. Gudun waldawa yana da sauri, yawan aiki yana da girma, kuma raunin damuwa yana da ƙananan.

4. Kayan aiki yana da rikitarwa, yawan amfani da iskar gas yana da girma, ƙungiyar tana da ƙayyadaddun buƙatu akan sharewa da tsabta na kayan aiki, kuma kawai ya dace da walƙiya na cikin gida.

Aikace-aikace

Waldawar Plasma hanya ce mai mahimmanci wajen samar da masana'antu, musamman don walda tagulla da tagulla, titanium da titanium gami, gami da ƙarfe, bakin karfe, molybdenum, da sauran karafa na sararin samaniya, waɗanda ake amfani da su a cikin sojoji da sauran masana'antu masu yanke hukunci, kamar kera wani nau'in harsashi na makami mai linzami wanda titanium gami da kwantena na jirgin sama.

Kudin, Kulawa, da Ingantacciyar Aiki

Wasu abubuwan da suka danganci kwatanta zaɓin fasaha tsakanin waldawar katako na Laser da walƙiya baka na plasma don aikace-aikacen masana'antu sun haɗa da farashi, kulawa, da ingantaccen aiki.

Tattalin Arziki

Waldawar katako na Laser yana buƙatar babban saka hannun jari na farko tunda kayan aikin yana da rikitarwa idan aka kwatanta da waldawar arc na plasma. The darajar general masana'antu Laser waldi tsarin yawanci jeri sama na $200,000, yayin da tsarin waldawar al'ada na plasma yana da farashi a wani wuri a cikin kewayon $10,000 zuwa $50,000. Koyaya, LBW yana da yuwuwar babban tanadin farashi na dogon lokaci godiya ga haɓaka ƙimar sarrafawa da ƙarancin ƙarewar walƙiya da ake buƙata. Waldawar Plasma na iya samun ƙarin tsadar abin amfani don ci gaba da aiki.

Bukatun Kulawa

Saboda sassan da ake amfani da su, kamar na'urorin lantarki da bututun iskar gas, suna lalacewa akai-akai, tsarin waldawar al'ada na plasma yawanci yana buƙatar ƙarin kulawa akai-akai. Sabanin haka, tsarin waldawar Laser yana buƙatar ƴan abubuwan da ake amfani da su, amma na'urorinsu na gani da maɓuɓɓugar Laser suna buƙatar tsaftacewa da sake fasalin lokaci-lokaci. Lokacin da aka kiyaye da kyau, tushen Laser na iya wucewa fiye da sa'o'i 20,000 tare da ƙasan lokaci. Tsarin Plasma, ko da yake ya fi sauƙi, na iya samun ƙarin katsewa akai-akai tun lokacin da abubuwan amfani suke lalacewa.

Earfafa Aiki

Dabarun walda na Laser sun fi sauri da daidaito, suna kaiwa ga saurin mita 10 a cikin minti daya akan kayan bakin ciki, don haka ya dace sosai don samarwa da yawa. Hakanan yana samar da yankuna da zafi ya shafa na ɗan lokaci, don haka yana ba da ƙarancin gurɓataccen abu, don haka inganta ingancin samfurin. Waldawar Plasma yana da tasiri a cikin kayan da suka fi kauri, ko da yake yana da saurin gudu, sau da yawa yana buƙatar ƙarin abubuwan gamawa don tsaftace walda, kamar niƙa.

Duk da yake Laser katako waldi na bukatar mafi girma zuba jari halin kaka, ta yadda ya dace da kuma kasa m bukatar tabbatarwa sau da yawa samar da fa'idodin farashi a cikin dogon gudu, musamman ga aikace-aikace bukatar high daidaici. Waldawar baka na Plasma har yanzu yana da kyau don ƙarancin aiki mai rikitarwa da ƙananan ayyuka.

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