Yana da mahimmanci ga sababbin masu aikin walda don kafa dabarun MIG masu dacewa don cimma kyakkyawan ingancin walda da haɓaka yawan aiki. Mafi kyawun ayyuka na aminci maɓalli ne, kuma. Yana da mahimmanci kamar haka, duk da haka, ga ƙwararrun masu aikin walda su tuna abubuwan da ake buƙata don guje wa ɗaukar ɗabi'un da za su iya yin illa ga aikin walda.
Daga yin amfani da amintattun ergonomics zuwa amfani da madaidaiciyar kusurwar bindigar MIG da saurin walda da ƙari, ingantattun dabarun walda na MIG suna ba da sakamako mai kyau. Ga wasu shawarwari.
ergonomics daidai
Mai aikin walda mai dadi shine mafi aminci. ergonomics da suka dace yakamata su kasance cikin mahimman abubuwan farko don kafawa a cikin tsarin MIG (tare da ingantaccen kayan kariya na sirri, ba shakka).
Mai aikin walda mai dadi shine mafi aminci. ergonomics da suka dace yakamata su kasance cikin mahimman abubuwan farko don kafawa a cikin tsarin walda na MIG (tare da ingantaccen kayan kariya na sirri, ba shakka). Ana iya bayyana Ergonomics, a sauƙaƙe, a matsayin "nazarin yadda za a iya tsara kayan aiki ta yadda mutane za su iya yin aiki ko wasu ayyuka cikin inganci da kwanciyar hankali."1 Muhimmancin ergonomics ga ma'aikacin walda na iya samun tasiri mai nisa. Wurin wurin aiki ko ɗawainiya wanda ke sa mai aikin walda ya maimaita isa, motsawa, kamawa ko murɗawa ta hanyar da ba ta dace ba, har ma da zama a tsaye na tsawon lokaci ba tare da hutawa ba. Duk na iya haifar da maimaita raunin damuwa tare da tasirin rayuwa.
ergonomics da suka dace na iya kare masu aikin walda daga rauni yayin da kuma inganta yawan aiki da ribar aikin walda ta hanyar rage rashin ma'aikata.
Wasu hanyoyin ergonomic waɗanda zasu iya inganta aminci da yawan aiki sun haɗa da:
1. Yin amfani da bindigar walda ta MIG tare da abin kullewa don hana “harsashi yatsa”. Wannan yana faruwa ne ta hanyar sanya matsi ga abin motsa jiki na tsawon lokaci.
2. Yin amfani da bindigar MIG tare da wuyan juyawa don taimakawa mai aikin walda don motsawa cikin sauƙi don isa ga haɗin gwiwa tare da ƙarancin damuwa a jiki.
3. Tsayar da hannaye a tsayin gwiwar hannu ko ƙasa kaɗan yayin walda.
4. Sanya aiki tsakanin kugu da kafadu na ma'aikacin walda don tabbatar da cewa ana kammala walda a kusa da tsaka tsaki kamar yadda zai yiwu.
5. Rage damuwa na maimaita motsi ta hanyar amfani da bindigogin MIG tare da na baya a kan kebul na wutar lantarki.
6. Yin amfani da haɗe-haɗe daban-daban na kusurwoyin hannu, kusurwoyin wuya da tsayin wuyan wuyan wuyan hannu don kiyaye wuyan hannun mai aikin walda a cikin tsaka tsaki.
Daidaitaccen kusurwar aiki, kusurwar tafiya da motsi
Madaidaicin bindigar walda ko kusurwar aiki, kusurwar tafiya da fasahar walda ta MIG ya dogara da kauri na tushe na ƙarfe da matsayin walda. Kusuwar aiki shine "dangantaka tsakanin axis na lantarki zuwa yanki na aikin welders". kusurwar tafiya tana nufin yin amfani da ko dai kusurwar turawa (mai nuni zuwa hanyar tafiya) ko kusurwar ja, lokacin da aka nuna wutar lantarki sabanin tafiya. (AWS Littafin Hannun Welding 9th Vol 2 Shafi na 184)2.
Matsayi mai lebur
Lokacin walda haɗin gwiwa (haɗin gwiwa mai digiri 180), ma'aikacin walda ya kamata ya riƙe bindigar walda ta MIG a kusurwar aiki na digiri 90 (dangane da aikin). Dangane da kauri na kayan tushe, tura bindigar a kusurwar wuta tsakanin digiri 5 zuwa 15. Idan haɗin gwiwa yana buƙatar wucewa da yawa, motsi na gefe-da-gefe, yana riƙe da yatsun kafa na weld, zai iya taimakawa wajen cika haɗin gwiwa kuma rage haɗarin yankewa.
Don haɗin haɗin T, riƙe bindiga a kusurwar aiki na digiri 45 kuma don haɗin gwiwa kusurwar aiki a kusa da digiri 60 ya dace (digiri 15 daga digiri 45).
Matsayin kwance
A cikin matsayi na walda a kwance, kusurwar aiki na 30 zuwa 60 digiri yana aiki da kyau, dangane da nau'i da girman haɗin gwiwa. Manufar ita ce a hana karfen filler daga yin birgima ko jujjuyawa a gefen kasan haɗin weld.
Matsayi na tsaye
Daga yin amfani da amintattun ergonomics zuwa amfani da daidaitaccen kusurwar bindiga na MIG da saurin walda da ƙari, dabarun MIG masu kyau suna ba da sakamako mai kyau.
Don haɗin haɗin T, ma'aikacin walda ya kamata ya yi amfani da kusurwar aiki fiye da digiri 90 zuwa haɗin gwiwa. Lura, lokacin walda a tsaye, akwai hanyoyi guda biyu: walda a kan tudu ko kuma ta gangara.
Ana amfani da alkiblar tudu don abu mai kauri lokacin da ake buƙatar mafi girma shiga. Kyakkyawan dabara don T-Haɗin gwiwa shine kiran juye-sau V. Wannan dabarar tana tabbatar da ma'aikacin walda yana kiyaye daidaito da shiga cikin tushen weld, wanda shine inda guda biyun ke haɗuwa. Wannan yanki shine mafi mahimmancin ɓangaren walda. Wata dabara ita ce walƙiya ta ƙasa. Wannan sananne ne a cikin masana'antar bututu don buɗe tushen walda da lokacin walda kayan ma'auni na bakin ciki.
Matsayin sama
Manufar lokacin walda MIG a sama shine a ajiye narkakken ƙarfen walda a cikin haɗin gwiwa. Wannan yana buƙatar saurin tafiye-tafiye da sauri kuma za'a bayyana kusurwar aiki ta wurin wurin haɗin gwiwa. Kula da kusurwar tafiya 5 zuwa 15 digiri. Duk wata dabarar saƙa ya kamata a kiyaye ta zuwa mafi ƙanƙanta don ci gaba da ƙarami. Don samun nasara mafi girma, mai aikin walda ya kamata ya kasance cikin yanayi mai daɗi dangane da kusurwar aiki da kuma hanyar tafiya.
Fitar waya da nisan tuntuɓar-zuwa aiki
Waya stickout zai canza dangane da walda tsarin. Don walƙiyar gajeriyar kewayawa, yana da kyau a kula da igiyar waya 1/4- zuwa 3/8-inch don rage spatter. Duk wani tsayin daka zai ƙara juriya na lantarki, rage ƙarfin halin yanzu kuma yana haifar da spatter. Lokacin amfani da canja wurin baka mai feshi, sandar ya kamata ya kasance kusa da 3/4 inch.
Madaidaicin lamba-tip-to-aiki nesa (CTWD) yana da mahimmanci don samun kyakkyawan aikin walda. CTWD da aka yi amfani da shi ya dogara da tsarin walda. Misali, lokacin amfani da yanayin canja wurin feshi, idan CTWD ya yi gajere, zai iya haifar da konewa. Idan ya yi tsayi da yawa, zai iya haifar da katsewar walda saboda rashin isassun iskar kariya da ta dace. Don walƙiya canja wurin feshi, CTWD mai inci 3/4 ya dace, yayin da 3/8 zuwa 1/2 inch zai yi aiki don gajeriyar waldi.
Gudun tafiya na walda
Gudun tafiye-tafiye yana rinjayar siffa da ingancin ƙwanƙolin walda zuwa matsayi mai mahimmanci. Masu aikin walda za su buƙaci tantance madaidaicin saurin tafiya na walda ta hanyar yin la'akari da girman tafkin walda dangane da kauri na haɗin gwiwa.
Tare da saurin tafiye-tafiyen walda wanda ke da saurin gaske, masu aikin walda za su ƙare da ƙunƙuntaccen dutsen dutse mai dunƙulewa tare da rashin isashen ɗaure a ƙafafu na walda. Rashin isassun shiga, murdiya da ƙullin walda mara daidaituwa yana faruwa ta hanyar tafiya da sauri. Yin tafiya a hankali yana iya shigar da zafi mai yawa a cikin walda, yana haifar da ƙulli mai faɗi da yawa. A kan abu mai sirara, yana iya haifar da ƙonewa.
Tunani na ƙarshe
Idan ya zo ga inganta aminci da yawan aiki, ya rage ga ƙwararren ƙwararren mai aikin walda gwargwadon sabon walda don kafawa da bin dabarar MIG daidai. Yin haka yana taimakawa wajen gujewa yuwuwar rauni da rashin lokaci don sake yin aikin walda mara kyau. Ka tuna cewa ba ya cutar da masu aikin walda don sabunta iliminsu game da walda na MIG kuma yana cikin mafi kyawun sha'awar su da kamfanin su ci gaba da bin mafi kyawun ayyuka.
Lokacin aikawa: Janairu-02-2023
