01.Takaitaccen bayanin
Spot walda hanya ce ta juriya ta walƙiya wacce ake haɗa sassan walda zuwa gaɓoɓin cinya kuma ana matse su tsakanin na'urorin lantarki guda biyu, ta yin amfani da zafin juriya don narkar da ƙarfen tushe don samar da haɗin gwiwa.
Ana amfani da walda ta Spot a cikin abubuwa masu zuwa:
1. Juyawa na bakin ciki farantin stamping sassa, kamar mota cabs, compartments, girbi kifi sikelin fuska, da dai sauransu.
2. Siffar farantin karfe da siffa mai siffa da tsarin fata, irin su katangar gefen karusa da rufin gini, fatunan karusar tirela, mazugi masu girbi, da sauransu.
3. Fuskoki, firam ɗin sararin samaniya da sandunan ƙarfe na giciye, da sauransu.
02.Falala
Lokacin waldawar tabo, walda ɗin yana samar da haɗin gwiwa mai rufi kuma ana dannawa tsakanin na'urorin lantarki guda biyu.Babban fasalinsa sune kamar haka:
1. A lokacin waldawar tabo, lokacin zafi na yankin haɗin gwiwa yana da ɗan gajeren lokaci kuma saurin walda yana da sauri.
2. Spot waldi kawai yana cinye makamashin lantarki kuma baya buƙatar kayan cikawa, ruwa, gas, da sauransu.
3. The ingancin tabo waldi ne yafi garanti da tabo waldi inji.Yana da aiki mai sauƙi, babban digiri na injina da sarrafa kansa, da yawan aiki.
4. Ƙananan ƙarfin aiki da kyakkyawan yanayin aiki.
5. Tun lokacin da aka gama waldawa a cikin ɗan gajeren lokaci kuma yana buƙatar babban halin yanzu da matsa lamba, tsarin kula da tsarin ya fi rikitarwa, injin walda yana da babban ƙarfin lantarki, kuma farashin kayan aiki yana da yawa.
6. Yana da wuya a gudanar da gwaje-gwaje marasa lalacewa na haɗin gwiwar solder.
Kayan aikin walda na Xinfa yana da halaye masu inganci da ƙarancin farashi.Don cikakkun bayanai, da fatan za a ziyarci:Welding & Yanke masana'antun - China Welding & Yankan masana'anta & Suppliers (xinfatools.com)
03.Tsarin aiki
Kafin waldawa, dole ne a tsaftace farfajiyar kayan aikin.Maganin tsaftar da aka saba amfani da shi shine tsinke, wato ana fara tsinke shi a cikin zafafan sulfuric acid tare da adadin kashi 10%, sannan a wanke shi da ruwan zafi.Tsarin walda na musamman shine kamar haka:
(1) ciyar da workpiece hadin gwiwa tsakanin babba da ƙananan lantarki na tabo waldi inji da kuma matsa shi;
(2) Lokacin da aka yi amfani da wutar lantarki, wuraren tuntuɓar kayan aikin biyu suna zafi, narkar da wani yanki, kuma an kafa nutget;
(3) Ci gaba da matsa lamba bayan an kashe wutar lantarki, ta yadda narkakkar nut ɗin ta yi sanyi da ƙarfi a ƙarƙashin matsi don samar da haɗin gwiwar solder;
(4) Cire matsa lamba kuma fitar da kayan aikin.
04. Abubuwan Tasiri
Babban abubuwan da ke haifar da ingancin walda sun haɗa da walda halin yanzu da lokacin kuzari, matsa lamba na lantarki da shunt, da sauransu.
1. Welding halin yanzu da ikon-kan lokaci
Dangane da girman walƙiyar halin yanzu da tsawon ƙarfin-lokaci, ana iya raba walda ta tabo zuwa nau'ikan biyu: ma'auni mai ƙarfi da ma'auni mai laushi.Ƙayyadaddun ƙayyadaddun da ke wuce babban halin yanzu a cikin ɗan gajeren lokaci ana kiransa da ƙayyadaddun bayanai.Yana da abũbuwan amfãni daga high yawan aiki, tsawon rai electrode, da kuma kananan nakasawa na walda, kuma ya dace da walda karafa tare da mai kyau thermal watsin.Ma'aunin da ke wuce ƙarami a cikin dogon lokaci ana kiransa ma'auni mai laushi, wanda ke da ƙarancin aiki kuma ya dace da walda karafa waɗanda suke taurare.
2. Electrode matsa lamba
A lokacin waldawar tabo, matsin lamba da aka yi akan walda ta lantarki ana kiransa matsa lamba na lantarki.Ya kamata a zaɓi matsa lamba na lantarki da kyau.Lokacin da matsa lamba ya yi girma, raguwa da raguwar kogon da ka iya faruwa lokacin da nugget ya ƙarfafa za a iya kawar da su.Duk da haka, juriya da yawa na yanzu na lantarki sun ragu, yana haifar da rashin isasshen dumama na walda da raguwa a diamita na nugget.Ƙarfin haɗin haɗin siyar yana raguwa.Ana iya zaɓar girman matsa lamba na lantarki bisa waɗannan dalilai:
(1) Abun walda.Mafi girman ƙarfin zafin jiki na kayan.Mafi girman matsa lamba na lantarki da ake buƙata.Don haka, lokacin walda bakin karfe da karfe mai jure zafi, ya kamata a yi amfani da matsa lamba mafi girma fiye da lokacin walda ƙananan ƙarfe na carbon.
(2) Alamar walda.Da tsananin ƙayyadaddun walda, mafi girman matsin lamba.
3. Karkatawa
Lokacin waldawar tabo, ana kiran abin da ke gudana a waje da babban da'irar walda ta shunt.Shunt yana rage halin yanzu da ke gudana ta yankin waldawa, yana haifar da rashin isasshen dumama, yana haifar da raguwa mai yawa a cikin ƙarfin haɗin gwiwa na solder kuma yana shafar ingancin walda.Abubuwan da suka shafi matakin karkatar da su sun haɗa da abubuwa masu zuwa:
(1) Kaurin walda da tazarar walda.Yayin da nisa tsakanin kayan haɗin gwal yana ƙaruwa, juriya na shunt yana ƙaruwa kuma matakin shunting yana raguwa.Lokacin da aka yi amfani da tazara na al'ada na 30 zuwa 50 mm, shunt halin yanzu yana lissafin 25% zuwa 40% na jimlar halin yanzu, kuma yayin da kauri na walda ya ragu, matakin shunting shima yana raguwa.
(2) Surface yanayin walda.Lokacin da oxides ko datti a saman walda, juriya na hulɗar tsakanin walda biyu yana ƙaruwa, kuma halin yanzu wucewa ta wurin waldawa yana raguwa, wato, matakin shunting yana ƙaruwa.A workpiece za a iya pickled, sandblasted ko goge.
05.Tsarin tsaro
(1) Canjin ƙafa na injin walda yakamata ya kasance yana da murfin kariya mai ƙarfi don hana kunnawa cikin haɗari.
(2) Wurin aiki ya kamata a sanye shi da baffles don hana tartsatsin aiki daga tashi.
(3) Masu walda su sanya gilashin kariya masu lebur lokacin walda.
(4) Wurin da aka ajiye na'urar waldawa a bushe, sannan a danne kasa da faranti na kariya.
(5) Bayan an gama aikin walda, sai a yanke wutar lantarki, sannan a tsawaita ruwan sanyi na tsawon dakika 10 kafin a rufe.Lokacin da zafin jiki ya yi ƙasa, ya kamata a cire ruwan da aka tara a cikin hanyar ruwa don hana daskarewa.
Lokacin aikawa: Oktoba-26-2023
