Moldyana taka muhimmiyar rawa a masana'antar zamani, kuma ingancinsa yana ƙayyade ingancin samfurin kai tsaye.Inganta rayuwar sabis da daidaito namda kuma rage sake zagayowar masana'anta na mold sune matsalolin fasaha waɗanda kamfanoni da yawa ke buƙatar gaggawa don warwarewa.Koyaya, yanayin gazawar kamar rugujewa, nakasawa, lalacewa, har ma da karyewa galibi suna faruwa yayin amfani dam.Don haka a yau, editan zai ba ku gabatarwa ga hanyoyin gyaran gyare-gyare guda hudu, bari mu dubi.
Argon baka walda gyara
A waldi ne da za'ayi ta amfani da baka kona tsakanin ci gaba da ciyar waldi waya da workpiece a matsayin zafi Madogararsa, da kuma iskar garkuwa da baka fesa daga walda bututun ƙarfe.A halin yanzu, hanyar walda ta argon wata hanya ce da aka saba amfani da ita, wacce za a iya amfani da ita ga galibin manyan karafa, gami da karfen carbon da karfen gami.MIG waldi ya dace da bakin karfe, aluminum, magnesium, jan karfe, titanium, zirconium da nickel gami.Saboda ƙarancin farashinsa, ana amfani da shi sosai don gyaran walda.Duk da haka, yana da rashin amfani kamar babban yankin da zafin walda ya shafa da manyan gidajen abinci.A hankali an maye gurbin gyaran gyare-gyaren ƙira da walƙiya ta Laser.
Gyaran injuna gyara
Moldna'ura mai gyare-gyaren kayan aiki ne na fasaha don gyara lalacewa na mold da lahani.Na'ura mai gyaran gyare-gyare yana ƙarfafa ƙirar don samun rayuwa mai tsawo da fa'idodin tattalin arziki mai kyau.Daban-daban na tushen gami (carbon karfe, gami karfe, jefa baƙin ƙarfe), nickel tushen gami da sauran karfe kayan za a iya amfani da su karfafa da kuma gyara saman molds da workpieces, da kuma ƙwarai ƙara sabis rayuwa.
1. Ka'idar injin gyaran gyare-gyare
Yana amfani da ƙa'idar fiɗaɗɗen tartsatsin wutar lantarki don gyara lahani na saman da lalacewa na ƙarfemby ba thermal surfacing waldi a kan workpiece.Babban fasalin shi ne cewa yankin da ke fama da zafi yana da ƙananan, ƙirar ba za ta zama nakasa ba bayan gyaran gyare-gyare, ba tare da annealing ba, babu damuwa da damuwa, kuma babu Cracks ya bayyana don tabbatar da daidaito na mold;shi kuma za a iya amfani da su karfafa surface na mold workpiece saduwa da aikin da bukatun na mold ta lalacewa juriya, zafi juriya, da kuma lalata juriya.
2. Iyakar aikace-aikace
Ana iya amfani da na'ura mai gyare-gyaren mutu a cikin injuna, mota, masana'antar haske, kayan aikin gida, man fetur, masana'antar sinadarai da wutar lantarki, don extrusion mai zafi.kyawon tsayuwa, dumi extrusion film kayan aikin, zafi ƙirƙira kyawon tsayuwa, Rolls da key sassa gyara da surface karfafa jiyya.
Misali, ana iya amfani da na'urar gyara na'urar ESD-05 don gyara gyare-gyaren allura na lalacewa, raunuka da tarkace, da kuma gyara tsatsa, faɗuwa da lalacewar gyare-gyaren simintin gyare-gyare kamar zinc-aluminum mutu- simintin gyaran fuska.Ƙarfin na'ura shine 900W, ƙarfin shigarwa shine AC220V, mitar shine 50 ~ 500Hz, ƙarfin lantarki shine 20 ~ 100V, kuma yawan fitarwa shine 10% ~ 100%.
Gyaran goge goge
Fasahar goge goge tana amfani da na'urar samar da wutar lantarki ta DC na musamman.Madaidaicin sandar wutar lantarki an haɗa shi da alkalami mai ɗorewa azaman anode a lokacin goge goge;da korau iyakacin duniya na samar da wutar lantarki an haɗa zuwa workpiece kamar yadda cathode a lokacin goga plating.A plating alkalami yawanci yana amfani da high tsarki lafiya graphite tubalan kamar yadda The anode abu, da graphite block aka nade da auduga da wani lalacewa-resistant polyester auduga hannun riga.
Lokacin aiki, ana daidaita taron samar da wutar lantarki zuwa ƙarfin da ya dace, kuma alƙalamin plating da aka cika da bayani na plating yana motsawa a wani ƙayyadaddun ƙayyadaddun dangi a ɓangaren lamba na farfajiyar aikin da aka gyara.Ƙarfe ions a cikin plating bayani yaduwa zuwa workpiece a karkashin aikin da wutar lantarki filin karfi.A saman, da electrons samu a saman an rage su zuwa karfe atoms, don haka da cewa wadannan karfe atoms ana ajiye da crystallized su samar da wani shafi, wato, don samun da ake bukata uniform deposition Layer a kan aiki surface na filastik mold rami zuwa. a gyara.
Plasma Surfacing Machine, Plasma fesa walda injin, gyara saman igiya
Gyaran Laser surfacing
Waldawar Laser walƙiya ce wacce ake amfani da katakon Laser azaman tushen zafi ta hanyar mai da hankali kan rafin photon monochromatic mai ƙarfi mai ƙarfi.Wannan hanyar walda yawanci ya haɗa da ci gaba da walƙiyar wutar lantarki ta Laser walƙiya da walƙiyar wutar lantarki.Amfanin walda na Laser shi ne cewa ba ya buƙatar a yi shi a cikin injin daskarewa, amma rashin amfani shi ne ikon shigar da shi ba shi da ƙarfi kamar waldar katako na lantarki.Ana iya aiwatar da ingantaccen sarrafa makamashi yayin waldawar Laser, ta yadda za'a iya gane waldar na'urori masu inganci.Ana iya shafa shi a kan karafa da yawa, musamman don warware walda na wasu karafa masu wuyar walda da wasu karafa masu kama da juna.An yi amfani da shi sosai donmgyara.
Laser cladding fasahar
The Laser surface cladding fasaha ne don sauri zafi da kuma narke gami foda ko yumbu foda da saman da substrate karkashin aikin Laser katako.Bayan an cire katako, sanyaya mai jin daɗi da kai yana samar da suturar ƙasa tare da ƙarancin dilution mai rahusa da haɗin ƙarfe tare da kayan da ke ƙasa., Saboda haka kamar yadda muhimmanci inganta surface na substrate abrasion juriya, lalata juriya, zafi juriya, hadawan abu da iskar shaka juriya da lantarki halaye na wani surface ƙarfafa hanya.
Alal misali, bayan carbon-tungsten Laser cladding na karfe 60#, taurin ya kai 2200HV ko fiye, kuma lalacewa juriya ya kusan sau 20 na tushe 60# karfe.Bayan da aka sanya wa CoCrSiB alloy na Laser a saman Q235 karfe, an kwatanta juriyar lalacewa da juriya na feshin harshen wuta, kuma an gano cewa juriyar lalata ta tsohon ta fi ta na baya girma sosai.
Laser cladding za a iya raba kashi biyu bisa ga daban-daban foda ciyar matakai: foda saiti hanyar da synchronous foda ciyar hanyar.Tasirin hanyoyin biyu iri daya ne.Hanyar ciyar da foda mai daidaitawa tana da sauƙin sarrafawa ta atomatik, ƙimar ƙimar kuzarin Laser mai ƙarfi, babu pores na ciki, musamman cermet cladding, wanda zai iya haɓaka aikin haɓakar fashewar cladding, don haka lokacin yumbu mai wuya na iya zama fa'idodin uniform. rarraba a cikin cladding Layer.