Matsayin walda yana magana lokacin waldawa, matsayin dangi na sararin samaniya na weld zuwa walda.
Hoto 1. Tianqiao positon walda
Akwai walƙiya mai lebur, walƙiya a kwance, walƙiya ta tsaye da walƙiya ta sama.Lebur walda tana nufin walda a kwance da mai walda ke yi yana mai sunkuyar da kansa, don haka ake kiran sa walda ta kasa;don weld a cikin haɗin T-dimbin yawa, ana sanya waldawar T-dimbin yawa a 45 ° don samar da matsayin walda na kabu na walda na ƙasa, wanda ake kira walda na jirgi.A kwance walda yana nufin walda a kwance wanda mai walda ke yi a kusan tsayi ɗaya da hannu.Walda a tsaye yana nufin walda ta ƙasa zuwa sama a tsaye ta walda.Welding na sama yana nufin waldar ɗinkin kabu a kwance wanda mai walda ke dubawa.Walda mai lebur ita ce mafi sauƙi don tabbatar da ingancin walda, walƙiya a kwance shi ne na biyu, walƙiya a tsaye shi ne na uku, kuma walƙiya ta sama ita ce mafi wahala don tabbatar da inganci kuma ya kamata a kauce masa gwargwadon yiwuwa.
Hoto 2. Tianqiao lebur waldi
Lebur waldi
Halayen walda na lebur waldi:
1. Ƙarfe na walda ya dogara ne akan nauyin kansa don canzawa zuwa narkakkar tafkin.
2. Siffa da karfe na narkakken tafkin suna da sauƙin kulawa da sarrafawa.
3. Domin walda karafa tare da wannan kauri, da waldi halin yanzu a cikin lebur waldi matsayi ne ya fi girma fiye da cewa a cikin sauran waldi matsayi, da kuma samar da inganci ne high.
4. Slag da narkakken tafkin suna da wuyar haɗuwa, musamman ma lokacin da ake yin waldi na fillet na walƙiya, slag yana da sauƙi don jagoranci da kuma samar da ƙaddamarwa.
*Ba shi da sauƙi a iya bambanta sandar walda ta acid daga narkakken tafkin;biyu na alkaline walda sanduna ne in mun gwada da sarari;Ma'auni na HG20581 ya bayyana a sarari cewa ba za a iya amfani da sandunan walda na acid ba a cikin tasoshin Class II da III.
5. Matsalolin walda da aiki mara kyau na iya haifar da lahani cikin sauƙi kamar ƙwanƙwasa walda, yanke, da nakasar walda.
6. Lokacin da baya gefen walda guda-gefe ne da yardar kaina kafa, na farko weld ne yiwuwa ga m shigar azzakari cikin farji hanyoyin da matalauta baya gyare-gyare.
Abubuwan walda na lebur waldi:
1. Dangane da kauri daga cikin farantin, za a iya amfani da mafi girma diamita electrode da kuma girma waldi halin yanzu.
2. Lokacin waldawa, sandar walda da walƙiya suna samar da kusurwar 60 ~ 80 °, kuma ana sarrafa rabuwar slag da ƙarfe na ruwa don hana slag daga bayyana a gaba.
3. Lokacin da farantin kauri ne kasa da ko daidai da 6mm, da butt lebur waldi kullum yana da nau'in I tsagi, da kuma gaban waldi kabu ya zama short-baka waldi tare da wani φ3.2 ~ 4 lantarki, da shigar azzakari cikin farji zurfin iya. kai 2/3 na kauri farantin;kafin a rufe baya, Ba lallai ba ne don tsaftace tushen (sai dai mahimman tsari), amma dole ne a tsabtace slag kuma na yanzu na iya zama mafi girma.
4. Idan akwai wani m hadawa na slag da narkakkar pool karfe a butt lebur waldi, da baka za a iya elongated, da electrode za a iya karkatar da gaba, da narkakkar slag za a iya tura zuwa baya na narkakkar pool don hana slag hadawa.
5. Lokacin walda walda a kwance, ya kamata a yi amfani da walda ta sama don hana haɗar slag da narkakkar tafkin daga motsi gaba don guje wa haɗaɗɗun slag.
6. Lokacin amfani da Multi-Layer da Multi-Pass waldi, kula da yawan adadin waldawa da jerin walda, kuma kowane Layer kada ya wuce 4 ~ 5mm.
7. Domin lebur-kwangulu welded gidajen abinci na T type, kusurwa hadin gwiwa, da zoba hadin gwiwa, idan kauri daga cikin biyu faranti ne daban-daban, da kwana na walda sanda ya kamata a daidaita su karkatar da baka zuwa gefe daya na lokacin farin ciki farantin. ta yadda faranti biyu su rika dumama daidai gwargwado.
8. Daidaitaccen zaɓi na hanyar jigilar kaya
(1) Lokacin da waldi kauri ne kasa da ko daidai da 6mm, type I tsagi butt lebur waldi.Lokacin da aka karɓi walda mai gefe biyu, kabu ɗin walda na gaba yana ɗaukar madaidaiciyar layi, wanda ya ɗan ɗan yi hankali;kabuwar walda ta baya ita ma ta ɗauki madaidaiciyar layi, kuma ƙarfin walda ɗin ya ɗan fi girma., Mai sauri.
(2) Lokacin da kauri daga cikin farantin ne ≤6mm, a lokacin da bude wasu nau'i na tsagi, Multi-Layer waldi ko Multi-Layer Multi-pass waldi za a iya amfani da.Ya kamata Layer na farko na waldawar ƙasa ya yi amfani da ƙaramin lantarki na yanzu, ƙaramin daidaitaccen halin yanzu, madaidaiciyar layi ko sawtooth.Siffar sufuri mashaya waldi.Don cika waldi na Layer, za'a iya zaɓar mafi girman diamita na lantarki da gajeriyar walda ta baka tare da mafi girman walda na halin yanzu.
(3) Lokacin da girman kafa na lebur fillet waldi na T-haɗin gwiwa ya kasa da 6mm, za a iya amfani da waldi guda-Layer, kuma za a iya amfani da layin layi, zobe na oblique ko hanyar sufuri mai siffar zigzag;lokacin da girman ƙafar ya fi girma, ya kamata a yi amfani da walda mai yawa ko waldi mai yawa.Walƙiya da yawa, waldi na ƙasa yana ɗaukar hanyar jigilar layin madaidaiciya, kuma madaidaicin Layer na iya zaɓar sawtooth ɗin da ba a taɓa gani ba ko jigilar madauwari mai madauwari.
(4) Gabaɗaya, Multi-Layer da Multi-Pass waldi ya kamata a yi walda ta hanyar kai tsaye ta hanyar sufuri.
M karfe lantarki dace da lebur waldi neSaukewa: E6013, Saukewa: E6010, Saukewa: E6011, Saukewa: E7018.
Hoto 3. Tianqiao walda a tsaye
Walda a tsaye
Halayen walda na walda a tsaye:
1. Ƙarfe na narkakken tafkin da narkakken slag sun faɗi saboda nauyin nasu kuma suna da sauƙin rabu.
2. Lokacin da zafin jiki na narkakkar tafki ya yi yawa, narkakkar tafki yana da sauƙi don ɗigowa ƙasa don samar da lahani irin su walda dutsen dutse, ƙasƙanci, ƙaddamar da slag, da dai sauransu, kuma walda ba ta dace ba.
3. Tushen T-haɗin gwiwa weld yana da sauƙi don samar da shigar da bai cika ba.
4. Matsayin shigar ciki yana da sauƙin fahimta.
5. Welding yawan aiki ne ƙasa da lebur waldi.
Babban abubuwan walda a tsaye:
1. Kula da madaidaicin sandar walda;
2. A cikin samarwa, ana amfani da walda ta tsaye a tsaye, kuma walƙiya ta tsaye tana buƙatar sandunan walda na musamman don tabbatar da ingancin walda.A waldi halin yanzu don a tsaye sama waldi ne 10 ~ 15% karami fiye da cewa ga lebur waldi, da kuma karami lantarki diamita (＜φ4mm) ya kamata a zaba.
3. Yi amfani da gajeriyar walda ta baka don rage nisa daga ɗigon ruwa zuwa narkakken tafkin.
4. Yi amfani da hanyar jigilar kaya daidai.
(1) T-groove butt haɗin gwiwa (yawanci ana amfani da faranti na bakin ciki) lokacin da ake yin walda a tsaye, layin layi, zigzag, walƙiya mai siffa mai nau'in jinji, kuma matsakaicin tsayin baka bai wuce 6mm ba.
(2) Lokacin buɗe wasu nau'o'in tsagi butt waldi a tsaye, Layer na farko na weld sau da yawa ana walda shi ta hanyar karye, siffa mai siffar jinji da kuma siffa mai siffar triangular tare da ƙaramin lilo.Daga baya, kowane Layer za a iya amfani da shi don jinjirin wata ko zigzag.
(3) A lokacin a tsaye waldi na T-dimbin yawa gidajen abinci, waldi sanda ya kamata a yi dace wurin zama lokaci a garesu da kuma saman sasanninta na walda kabu, da kuma lilo amplitude na waldi sanda kamata ba girma fiye da nisa na waldi. dinki.Aiki na walda sanda yayi kama da na sauran walda a tsaye tare da tsagi.
(4) Lokacin walda murfin murfin, an ƙayyade siffar farfajiyar ta hanyar hanyar sufuri.Za'a iya amfani da tsiri mai siffa mai ƙyalƙyali don walda saman kabu tare da buƙatu mafi girma;Za a iya amfani da tsiri na zigzag don filaye masu lebur (siffar da ke tsakiyar tana da alaƙa da lokacin dakatarwa).
M karfe lantarki masu dacewa da waldi a tsaye suneSaukewa: E6013, Saukewa: E6010, Saukewa: E6011, Saukewa: E7018, musammanE6011ya dace da walƙiya sama-kasa a tsaye.
Hoto 4. Tianqiao walda a sama
walda sama
Halayen walda na walda ta sama:
1. Karfe ya fado saboda nauyi, kuma bai kamata a kula da siffar da girman tafkin da aka narka ba.
2. Yana da wuya a yi jigilar tsiri, kuma farfajiyar walƙiya ba ta dace da waldi ba.
3. Lalacewar kamar haɗaɗɗun slag, shigar da ba ta cika ba, ƙwanƙwasa walda da ƙarancin ƙirar walda suna da sauƙin bayyana.
4. Karfe na narkakkar walda ya fantsama da bazuwa, wanda zai iya haifar da tashin hankali cikin sauki.
5. Ingancin walda na sama yana ƙasa da na sauran mukamai.
Wuraren walda na sama:
1. Sama walda na gindi.Lokacin da kauri na walda ya kasa ko daidai da 4mm, yi amfani da nau'in nau'in I kuma yi amfani da sandunan walda na φ3.2mm tare da matsakaicin walƙiya;Lokacin da kauri na walda ya fi ko daidai da 5mm, ya kamata a yi amfani da walda mai yawa da yawa.
2. Kabu na walda na haɗin gwiwa mai siffa T shine walƙiya sama.Lokacin da ƙafar walda ba ta wuce 8mm ba, ya kamata a yi amfani da walda mai Layer Layer, kuma lokacin da ƙafar walda ta fi 8mm girma, ya kamata a yi amfani da walda mai yawa.
3. Dangane da takamaiman yanayi, ɗauki hanyar jigilar kayayyaki daidai:
(1) Lokacin da girman ƙafar walda ya ƙanƙanta, ana amfani da nau'in maimaituwa na madaidaiciya ko madaidaiciya don kammala walda mai layi ɗaya;lokacin da girman ƙafar walda ya yi girma, ana iya amfani da walda mai yawa-Layer ko Multi-Layer Multi-Pass waldi, kuma ya kamata a yi amfani da layin farko na jigilar layin madaidaiciya, sauran yadudduka na iya zaɓar hanyar triangle na wucin gadi ko hanyar jigilar zobe.
(2) Ko da wane irin hanyar sufuri ne aka yi amfani da shi, kada karfen walda ya yi yawa a duk lokacin da ya wuce zuwa wurin narkakkar.
Lambobin ƙarfe masu laushi masu dacewa da walƙiya sama suneSaukewa: E6013, AWS E6010 Saukewa: E6011, Saukewa: E7018
Hoto 5. Tianqiao walda a kwance
A kwance walda
Halayen walda na walda a kwance:
1. Karfe da aka narkar da shi cikin sauki yana fadowa kan ramin saboda nauyinsa, yana haifar da nakasu a bangaren sama, da dunkulewar weld mai siffar hawaye ko kuma rashin cikar lahani a bangaren kasa.
2. Ƙarfe na narkakkar da slag suna da sauƙin rabuwa, ɗan kama da walda a tsaye.
Mahimman abubuwan walda a kwance:
1. Butt hadin gwiwa kwance walda grooves ne kullum V-dimbin yawa ko K-dimbin yawa, butt gidajen abinci tare da farantin kauri na 3 ~ 4mm za a iya welded a garesu da irin I grooves.
2. Yi amfani da karamin diamita waldi sanda, waldi halin yanzu ne karami fiye da lebur waldi, short baka aiki, zai iya mafi alhẽri sarrafa kwarara na narkakkar karfe.
3. Lokacin walda faranti mai kauri, ban da walda na ƙasa, yana da kyau a yi amfani da walda mai yawa da yawa.
4. Domin Multi-Layer da Multi-Pass waldi, ya kamata a biya kulawa ta musamman don sarrafa nisa mai nisa tsakanin hanyoyin walda.Ga kowace walda mai zoba, fara walda a 1/3 na walda ta baya don hana rashin daidaituwa.
5. Bisa ga takamaiman halin da ake ciki, kula da dace waldi sanda kwana, da waldi gudun ya zama dan kadan toshe da uniform.
6. Yi amfani da hanyar jigilar kaya daidai.
(1) Domin Nau'in I butt a kwance waldi, yana da kyau a yi amfani da hanyar tsiri madaidaiciya mai jujjuyawa don kabu na gaba;Ya kamata a yi amfani da madaidaicin madauwari ko ƙananan madauwari don sassa masu kauri, da madaidaicin igiyoyi a gefen baya, kuma ana iya ƙara ƙarfin walda daidai.
(2) Yi amfani da wasu walda a kwance a kwance.Lokacin da rata ya yi ƙanƙanta, waldawar ƙasa na iya amfani da madaidaiciya madaidaiciya;lokacin da tazarar ta yi girma, Layer na ƙasa yana ɗaukar raƙuman layin layi;a lokacin da sauran yadudduka ne Multi-Layer waldi, da karkata tsiri za a iya amfani da.Ya kamata a yi amfani da jigilar layi madaidaiciya don jigilar madauwari na tube da walƙiya da yawa da walƙiya da yawa.
M karfe electrodes dace da a kwance waldi neSaukewa: E6013, Saukewa: E6010, Saukewa: E6011, Saukewa: E7018
Lokacin aikawa: Yuli-21-2021