Habka gelinta foornada
Wakiilka Carburizing wuxuu ku habboon yahay dhalaalidda foornada induction, laakiin isticmaalka gaarka ah maaha mid la mid ah marka loo eego shuruudaha habka.
(1) Foornada inta jeer ee dhexdhexaadka ah ee dhalaalaysa iyadoo la adeegsanayo wakiilka carburizing, marka loo eego saamiga ama shuruudaha u dhigma kaarboonka oo leh walxaha lagu daro qaybta hoose ee foornada, heerka soo kabashada wuxuu gaari karaa in ka badan 95%;
(2) dareeraha birta dareeraha ah haddii qadarka kaarboonku aanu ku filnayn in lagu hagaajiyo wakhtiga kaarboonka, marka hore ciyaar foornada foornada, ka dibna ku dar wakiilka carburizing, iyada oo loo marayo kuleylka birta dareeraha ah, walaaqaya electromagnetic ama walaaqaya macmal ah si loo milo nuugista kaarboonka, heerka soo kabashada wuxuu noqon karaa ilaa 90, haddii habka heerkulka hooseeya ee carburizing, taas oo ah, kharashka kaliya wuxuu dhalaali karaa qayb ka mid ah birta, birta ayaa ku daray waqti isku mid ah heerkulka birta. waxaa lagu cadaadiyaa birta dareeraha ah iyadoo leh lacag adag si looga ilaaliyo dusha sare ee birta dareeraha ah. Habkani wuxuu kordhin karaa carburization ee birta dareeraha ah in ka badan 1.0%.
Isticmaalka saxda ah ee wakiilka carburizing ee foornada kicinta
1, isticmaalka 5T ama foorno koronto oo ka badan, alaabta ceeriin waa hal iyo xasilloon, waxaan kugula talineynaa habka isku-darka kala firdhiya. Marka loo eego shuruudaha kaarboonka, marka loo eego saamiga maaddooyinka, wakiilka carburizing iyo kharashka birta oo leh qayb kasta oo walxo ah si ay ugu biiraan foornada qaybta hoose, lakabka birta ah ee lakabka wakiilka karbohaydhka, heerka nuugista kaarboonku wuxuu gaari karaa 90% -95%
2. Foornada soo noqnoqda ee soo noqnoqda dhexdhexaadka ah ee ku saabsan 3T ayaa la isticmaalaa, iyo alaabta ceeriin waa hal iyo xasilloon. Waxaan ku talinaynaa habka isku-darka dhexe. Marka wax yar oo birta dhalaalaysa la dhalaaliyo ama lagu dhex daayo foornada, waxa carburizing-ka lagu daraa dusha sare ee birta dhalaalaysa hal mar, birta ayaa isla markiiba lagu daraa. Wakaalattii karoora qabatamaa ta’uu danda’u, si’a ta’uu danda’a jedhameera lammiiwwan lammiiwwan adda addaa 90% ta’uu qaba;
3, isticmaalka foornada korantada ee dhexdhexaadka ah ee dhexdhexaadka ah, alaabta ceeriin leh birta doofaarka iyo walxaha kale ee kaarboonka sare leh, waxaan kugula talineynaa hagaajinta wakiilka carburizing. Ka dib dhalaalka birta / dhalaalka birta, hagaajiso kaarboonka, waxaa lagu dari karaa dusha sare ee birta / birta dhalaalaysa, iyada oo loo marayo walaaqda hadda jirta ee birta (birta) biyaha ama walaaqaya macmal ah si loo milo loona nuugo alaabta, heerka nuugista kaarboonku waa qiyaastii 93%.
Habka carburization foornada dibadda
1. Ku buufi budada garaafka gudaha bacda
Budada graphite sida walaxda carburizing, oo ku afuufaysa qadarka 40kg/t, ayaa laga filan karaa inay ka dhigto kaarboonka birta dareeraha ah 2% ilaa 3%. Marka maadada kaarboonka ee birta dareeraha ah ay si tartiib tartiib ah u korodhay, heerka isticmaalka kaarboonku wuu yaraaday. Heerkulka birta dareeraha ah ka hor carburization wuxuu ahaa 1600 ℃, celceliska heerkulka kaarburization ka dib wuxuu ahaa 1299 ℃. Carburization budada Graphite, guud ahaan isticmaalaya nitrogen sida side, laakiin xaaladaha wax soo saarka warshadaha, hawada cadaadisku waa ka badan ku haboon, iyo ogsijiinta in gubashada hawada cadaadisay si ay u soo saaraan CO, kulaylka falcelinta kiimikada magdhabi kara qayb ka mid ah heerkulka hoos u dhaca, iyo CO dhimista jawi ku haboon si loo hagaajiyo saamaynta carburization.
2, isticmaalka birta carburizing agent
100-300 graphite budada carburizing wakiilka waxaa lagu dhejin karaa xirmada, ama laga bilaabo saxanka birta ee qulqulka, ka dib markii birta ka soo baxday dareeraha si buuxda loo walaaqay, ilaa inta suurtogalka ah si loo milo nuugista kaarboonka, heerka soo kabashada carbon waa qiyaastii 50%.
In isticmaalka wakiilka carburizing waa in fiiro gaar ah dhibaatada
Haddii wakhtiga lagu daro ee wakiilka carburizing uu yahay mid aad u horeeysa, way fududahay in lagu dhejiyo meel u dhow foornada hoose, iyo wakiilka carburizing ee ku xiran darbiga foornada ma fududa in lagu daro birta dareeraha ah. Taas bedelkeeda, ku darida wakhti aad u daahay, waxay lumin doontaa fursada lagu daro kaarboon, taasoo keentay dhalaalid, wakhtiga kuleylka oo gaabis ah. Tani ma aha oo kaliya in ay dib u dhigto wakhtiga falanqaynta iyo hagaajinta ka kooban kiimikada, laakiin sidoo kale waxay halis gelinaysaa waxyeelada ay keento kulaylka xad-dhaafka ah. Sidaa darteed, wakiilka carburizing ama habka lagu daro kharashka birta xoogaa xoogaa ah si aad ugu biirto.
Sida kiiska qadar badan oo dheeri ah, waxaa lagu dari karaa foornada induction marka birta dareeraha ah ee kuleylka dareeraha ah ay weheliso tixgelin, si loo hubiyo in carburizer ee wakhtiga nuugista birta dareeraha ah ee 10Min, oo dhinaca kale ah iyada oo loo marayo saameynta kicinta korantada ee carburizer si buuxda u nuugo nuugista, si loo hubiyo saameynta nuugista. Dhanka kale, qadarka nitrogen ee la keeno karburiyaha waa la dhimi karaa.
Ha ku darin hal mar, ku dar dufcadaha, ugu dambeyntiina dhalaali qayb, ku rid qayb ka mid ah birta kulul (qiyaastii baakidh) bacda, ka dibna ku celi karburiyaha foornada 1-2 jeer, ka dibna ku dheji, ku dar daawaha.
Waxaa jira dhowr arrimood oo ay tahay in fiiro gaar ah loo yeesho:
1. Walaxda kaarburisku way adagtahay in la nuugo (la'aanteed);
2, qaybinta walxaha dambaska wakiilka karburizing maaha mid isku mid ah;
3. Ku biirista oo aad u daahday;
4. Habka lagu biirintu maaha mid sax ah, oo isku xidhid lakab ah ayaa la qaataa. Ka fogow muraayadda birta ee dareeraha ah iyo dharbaaxo badan marka lagu daro;
5. Isku day inaadan isticmaalin wax badan oo daxalaystay.
Astaamaha wakiilka carburizing tayada sare leh
1, xajmiga qaybtu waa dhexdhexaad, porosity waa weyn yahay, xawaaraha nuugista waa dhakhso.
2. Halabuurka kiimikada saafiga ah, karbon sare, baaruud hoose, qaybo waxyeello aad u yar, heerka nuugista sare.
3, qaab dhismeedka crystal graphite wax soo saarka waa wanaagsan yahay, hagaajinaysaa awoodda nucleation birta dareere asalka ah. Kordhi tirada qanjidhada birta nodular ee tallaalka, oo kordhi garaafyada nucleus ee foornada korantada ee birta dareeraha ah. Sifee oo xitaa qaybinta khad fosil ee shubka.
4. Waxqabad heersare ah iyo xasilooni.
Xulashada wakiilka ku habboon carburizing waxay ka caawisaa in la yareeyo kharashyada wax-soo-saarka dhalaalidda, hagaajinta tayada birta dhalaalaysa iyo wax-soo-saarka, si ay warshad dhalaaliso, shubto.
Waqtiga boostada: Dec-02-2022