Bayani game da Fasahar Hardfacing Waya ta SAW Flux-cored
Ka'idar Aiki da Halayen Tsarin Aiki
2.1 Ka'idar Aiki
Idan aka yi amfani da waya mai siffar flux-core, baka yana ƙonewa tsakanin ƙarshen waya da saman substrate. Ruwan granular da ke rufe yankin baka yana ware iska daga wurin narkakken kuma yana kare ƙarfen da aka narke daga iskar shaka da nitriding. Murfin ƙarfe na wayar da aka narke mai siffar flux-core yana narkewa a ƙarƙashin zafin baka, yayin da foda mai ƙarfe da ke cikin tsakiya yana narkewa cikin tafkin narkakken, yana daidaita sinadaran da ke cikin layin saman. Bayan sanyaya, slag ɗin da aka samar ta hanyar flux yana taurare a saman walda, wanda za a iya cire shi cikin sauƙi, yana barin santsi, mai ƙarfi da ƙarfi na saman.
2.2 Muhimman Halayen Tsarin Aiki
Ingantaccen Tsarin Aiki: SAW na iya amfani da babban wutar lantarki (yawanci 300 ~ 800A) don ci gaba da walda, ƙimar ajiyar kaya na iya kaiwa 8 ~ 12 kg/h, wanda ya fi na walda mai hannu sau 2 ~ 3, wanda ya dace da samar da faranti masu yawa na lalacewa a manyan wurare.
Haɗin Alloy Mai SarrafawaWayar da aka yi da Flux-core za ta iya ƙara abubuwa daban-daban masu samar da carbide kamar chromium, molybdenum, vanadium, tungsten da niobium a cikin ƙwayayen foda, waɗanda za su iya sarrafa tauri da juriyar layin saman daidai ta hanyar daidaita abubuwan da ke cikin waɗannan abubuwan, idan aka kwatanta da waya mai ƙarfi, tana da ƙarin sassauci a cikin ƙirar ƙarfe.
Kyakkyawan Tsarin Kafa: A ƙarƙashin kariyar kwararar baka da ke ƙarƙashin ruwa, layin saman yana da santsi iri ɗaya kuma mai santsi, ba tare da wani ɓarna a bayyane ba, kuma aikin sarrafa bayan walda yana da ƙanƙanta. Ana iya daidaita zurfin shiga ta hanyar canza sigogin walda, wanda zai iya sarrafa ƙimar narkewar substrate zuwa layin saman yadda ya kamata, yana tabbatar da tauri da juriyar lalacewa na layin saman.
Tsarin Aiki na Atomatik Mai Tsayi: Ana iya cimma dukkan tsarin ta hanyar amfani da injina da kuma atomatik, wanda ke rage buƙatun ƙwarewar ma'aikata kuma yana tabbatar da daidaiton ingancin kowane farantin lalacewa.
Rarraba Tsarin Alloy na gama gari da Aiki
Wayoyin SAW masu ƙarfin juyi don facing farantin lalacewa galibi ana rarraba su ne bisa ga tsarin haɗin gwal ɗinsu, kuma tsarin haɗin gwal daban-daban sun dace da yanayi daban-daban na aikace-aikace da juriya ga lalacewa. Rarrabuwar da aka saba sune kamar haka:
| Tsarin Gami | Babban Abubuwan Alloy | Nisan Taurin Kai (HRC) | Babban Halayen Aiki | Aikace-aikace na yau da kullun |
| Nau'in ƙarfe mai ƙarfi na Chromium | Cr 15~30%, C 2~5%, ƙaramin adadin Mo, Ni, Nb | 55~65 | Kyakkyawan juriya ga lalacewa, wani juriya ga tasiri, ƙarancin farashi, tsarin ƙarfe mai girma | Faranti na sakawa a haƙar ma'adinai gabaɗaya, layin niƙa, layin niƙa siminti, faranti na jigilar scraper |
| Nau'in Haɗaɗɗen Chromium Carbide | Cr 25 ~ 40%, C 3 ~ 6%, an ƙara V, W, Ti | 60~68 | Babban ƙaramin kaso na carbide mai tauri, juriyar lalacewa mai ƙarfi, ɗan tauri kaɗan | Yanayin da ake buƙatar lalacewa sosai kamar kayan aikin yin yashi, haƙoran ma'adinai, faranti na haƙoran bokitin haƙoran haƙora |
| Nau'in Martensite Mai Ƙarancin Carbon Alloy | Cr 4 ~ 10%, Mo 1 ~ 3%, Mn 1 ~ 2%, C 0.2 ~ 0.6% | 35~50 | Kyakkyawan tauri mai ƙarfi, juriya mai ƙarfi ta hanyar walƙiya, yana iya ɗaukar babban nauyin tasiri, juriya mai matsakaici | Ruwan Bulldozer, farantin gefen ramin haƙa rami, babban saman shebur na haƙar ma'adinai waɗanda ke buƙatar juriya mai ƙarfi ga tasiri |
| Nau'in Niobium Vanadium Carbide | Nb 10 ~ 20%, V 5 ~ 15%, Cr 10 ~ 15% | 62~68 | Carbide mai ƙarfi mai laushi, juriya mai kyau ga lalacewa da kyakkyawan aikin zafin jiki mai kyau | Yanayin lalacewa mai zafi kamar faranti masu ɗaukar zafi mai yawa, layukan kayan aikin sintering |
| Nau'in Ƙarfafawa na Yumbu Mai Haɗaɗɗen ... | An ƙara barbashi na yumbu kamar WC, TiC a cikin tsakiyar foda | 65~72 | Juriyar lalacewa mai tsanani, farashi mai yawa | Yanayi masu matuƙar lalacewa kamar gangunan haƙar kwal, masu riƙe injin niƙa hanya |
Manyan Alamomin Aiki na Faranti Mai Lalacewa
Ana kimanta aikin farantin lalacewa mai ƙarfi ta hanyar manyan alamomi masu zuwa:
4.1 Taurin Layer na Sama
Taurin kai shine mafi mahimmancin alamar auna juriyar lalacewa. Gabaɗaya, mafi girman taurin, mafi kyawun juriyar lalacewa. Taurin faranti masu ɗaurewa a kasuwa galibi yana taruwa ne a cikin 50 ~ 65 HRC, kuma samfuran musamman na iya kaiwa sama da 70 HRC. Ya kamata a lura cewa ana buƙatar yin gwajin taurin bayan an daidaita layin saman, gabaɗaya bayan an cire layin 1 ~ 2mm na tarkace da dilution na saman don tabbatar da cewa sakamakon gwajin gaskiya ne.
4.2 Yawan Narkewa
Yawan narkewa yana nufin rabon abubuwan da aka narke a cikin Layer ɗin saman. Yawan narkewar zai rage yawan abubuwan da ke cikin Layer ɗin saman, wanda ke haifar da raguwar tauri da juriyar lalacewa. Ga SAW hardfacing tare da waya mai juyi, sarrafa tsari mai ma'ana zai iya sarrafa ƙimar narkewar cikin 10-20%, kuma saman Layer da yawa na iya ƙara rage tasirin narkewar.
4.3 Juriyar Tsagewa
Yawancin yadudduka masu ƙarfi da ke fuskantar lalacewa sune kayan da ke ɗauke da sinadarin carbon da ƙarfe mai yawa, waɗanda ke iya haifar da fashewar walda yayin sanyaya. Tsarin dabara mai kyau na waya mai juzu'i da dumamawa kafin walda (galibi ana dumamawa kafin 150 ~ 300℃ bisa ga tsarin ƙarfe daban-daban) na iya rage saurin fashewa yadda ya kamata. Don aikace-aikacen da ba sa buƙatar tsagewa a saman farantin lalacewa, ana iya zaɓar tsarin ƙarfe mai ƙarancin carbon ko wasu hanyoyin da ba sa jure tsagewa.
4.4ƙarfe na carbon, da farantin lalacewa mai ƙarfi na iya kaiwa sama da times 20Juriyar Sakawa
Alamar da ta fi dacewa don tantance aikin farantin lalacewa ita ce juriyar lalacewa, wato, rabon asarar nauyi na farantin lalacewa da aka gwada da kuma samfurin da aka saba amfani da shi a ƙarƙashin yanayin gwajin lalacewa iri ɗaya. Juriyar lalacewa na farantin ƙarfe mai ƙarfi na chromium gabaɗaya ya ninka sau 5-10 na ƙananan es na yau da kullun.
Jagorar Zaɓa don Yanayi daban-daban na Aikace-aikace
Lokacin zabar waya mai siffar SAW flux-cored don facing farantin lalacewa, yana buƙatar a daidaita shi bisa ga babban nau'in gazawar ɓangaren lalacewa:
Satar da ba ta da ƙarfi da kuma ƙarancin tasiriKamar su bututun siminti na albarkatun ƙasa, farantin tantance ma'adinai, da kuma na'urar jigilar yashi. Ana ba da shawarar zaɓar waya mai ƙarfi irin ta chromium mai ƙarfin flux-core tare da 58 ~ 62 HRC, wacce ke da tsada mai yawa kuma tana iya biyan buƙatun rayuwar sabis.
Ƙarfin tasiri da lalacewa mai ƙarfiKamar ruwan bulldozer, bokitin injinan injiniya, kan guduma na ma'adinai. Ana buƙatar cewa layin da ke jure lalacewa yana da tauri yayin da yake da juriyar lalacewa, kuma ana ba da shawarar zaɓar waya mai jure lalacewa ta hanyar amfani da ƙarfe mai ƙarfi na martensitic tare da 40 ~ 50 HRC don guje wa barewa da fashewa na layin saman da ke ƙarƙashin tasiri.
Yanayin lalacewa mai tsananiKamar sassan aikin haƙar kwal, faranti na niƙa hanya, layukan niƙa na ƙarfe. Ana ba da shawarar zaɓar haɗin chromium carbide ko waya mai ƙarfi ta yumbu tare da 62 ~ 68 HRC, wanda zai iya tsawaita rayuwar sassan sosai, kodayake farashin yana da yawa.
Yawan zafin jiki da aka sakaKamar su fale-falen injin sintering, faranti na jigilar coke na tanda, faranti na sarrafa ƙarfe. Ana ba da shawarar zaɓar waya mai ɗauke da flux-cored na niobium-vanadium, wacce ke riƙe da tauri mai yawa da juriya ga iskar shaka a yanayin zafi har zuwa 600℃.
Abubuwan da ya kamata a kula da su a tsarin walda
Domin samun faranti masu inganci na gyaran fuska, ya zama dole a kula da mahimman abubuwan da ke cikin tsarin walda:
Shirye-shirye kafin walda: Ya kamata a tsaftace saman substrate ɗin da mai, tsatsa da sikelin oxide don guje wa lahani na porosity da inclusion. Ga substrate masu kauri da wayoyi masu yawan ƙarfe, dumamawa kafin lokaci zuwa 150 ~ 300℃ na iya rage matsin lamba na walda da kuma guje wa tsagewa.
Zaɓin Sigogi: Ga waya mai siffar flux-core mai diamita 1.2mm ~ 2.4mm, wutar walda gabaɗaya 250 ~ 600A ce, ƙarfin walda shine 28 ~ 38V, kuma saurin walda shine 300 ~ 600mm/min. Girman diamita na waya, haka nan wutar da ta dace take. Rage wutar walda da kuma ƙara saurin walda na iya rage yawan narkewar substrate.
Tsarin Layer na Sama: Gabaɗaya, kauri na layin da ba ya jure lalacewa an tsara shi ne a matsayin 3 ~ 12mm. Don saman saman mai layuka da yawa, ya kamata a sarrafa zafin tsakanin layukan da ba ya wuce 300℃ don guje wa girman hatsi da ya yi yawa wanda ke shafar aikin. Ga faranti na lalacewa waɗanda ke buƙatar lanƙwasawa da kuma bayan sarrafawa, ya kamata a yi saman saman a kan substrate bayan lanƙwasawa don guje wa tsagewa sakamakon lanƙwasawa bayan lanƙwasawa.
Maganin bayan walda: Bayan walda, ya kamata a sanyaya shi a hankali, musamman ga wayoyi masu ƙarfi, don guje wa tsagewa sakamakon sanyaya cikin sauri. Ga sassan da ke buƙatar rage damuwa, ana iya yin aikin rage damuwa a zafin 200 ~ 300℃ bayan walda don kawar da damuwar walda da ta rage.
Yanayin Ci Gaba na Masana'antu
A cikin 'yan shekarun nan, wayar SAW flux-cored don lallausan farantin hardfacing tana da waɗannan jagororin ci gaba:
Da farko,ƙirar ƙarfe mai aiki mai girma, aikace-aikace da yawa suna buƙatar juriya ga lalacewa da tsawon rai na sabis, don haka haɓaka wayoyi masu ƙarfi kamar WC da TiC yana ƙaruwa, kuma yawan wayoyi masu ƙarfi a kasuwa yana ƙaruwa kowace shekara.
Na biyu,Inganta rashin fashewa da kuma tauri mai ƙarfi, aikace-aikacen injiniya da yawa suna buƙatar cewa saman farantin lalacewa ba ya barin fasa, wanda ke haɓaka haɓaka tsarin da ba ya jure fashewar carbon, wanda ke daidaita tauri da tauri ta hanyar inganta rabon ƙarfe da sarrafa ƙananan tsarin.
Na uku,samarwa mai kyau ga muhalli, sabuwar hanyar wayar da aka yi da flux-cored tana rage yawan abubuwan da ke cikin sinadarai masu cutarwa kamar su cobalt da radioactive elements, kuma kwararar iskar da aka daidaita a ƙarƙashin ruwa ita ma tana tasowa zuwa ga ƙarancin gurɓatawa da kuma hanyoyin sake amfani da su, wanda ya cika buƙatun masana'antar kore.
Na huɗu,ci gaba na musamman, ga yanayin sawa daban-daban na masana'antu daban-daban, masana'antun sun ƙaddamar da ƙarin samfuran da aka keɓe, waɗanda za su iya cimma daidaiton aiki daidai, guje wa ɓatar da aiki ko rashin isasshen rai wanda amfani da samfuran gabaɗaya ke haifarwa.
Gabatarwar Kamfani
An kafa Tangshan Runxing Machinery Co., Ltd., ƙwararren mai ƙera kayayyaki da ke Tangshan, Lardin Hebei wanda ke mai da hankali kan bincike da haɓaka kayayyaki, samarwa da kuma ayyukan gini a wurin, waɗanda ke jure wa lalacewa mai ƙarfi.
Manyan kayayyakinmu sun haɗa da faranti na sakawa na chromium carbide overlay (CCO), layukan sakawa da aka sarrafa musamman, bututu da kayan haɗin bututu masu jure lalacewa, wayoyi masu jure wahalhalu masu ƙarfi, injunan walda masu tauri ta atomatik, da kuma gyaran saman na'urar rollers na ƙwararru. Muna bin ra'ayin kasuwanci na "Mutunci, Inganci Mai Kyau, Kirkire-kirkire & Ci Gaba Mai Dorewa" kuma muna da fasahar gyaran saman ƙarfe mai ƙarfi.
Muna samar da mafita na musamman waɗanda ke jure wa lalacewa ga masana'antun siminti, ƙarfe, haƙar ma'adinai, tashoshin jiragen ruwa da haƙar ma'adinai a faɗin duniya, kuma mun sami kyakkyawan suna a kasuwa a Rasha da Tsakiyar Asiya.
Duk wani kasuwancin fitar da kaya zuwa ƙasashen waje mallakar Hebei Yuwan International Trade Co., Ltd ne kuma ke kula da shi. Wannan kamfanin ciniki yana kammala duk wani aikin fitar da kaya zuwa ƙasashen waje, ciki har da share kwastam, jigilar kaya, takardu da kuma tattara kuɗi. Masana'antarmu tana mai da hankali kan haɓaka samfura da samarwa don tabbatar da ingancin samfura da kuma isar da su akan lokaci.
Runxing Machinery da gaske yana fatan kafa haɗin gwiwa na dogon lokaci da kuma cimma fa'ida tare da ku!
Nunin Baje Kolin
Tambayoyin da ake yawan yi akai-akai
Tabbas, za mu iya samar wa abokan ciniki samfuran kyauta amma abokin ciniki ya kamata ya biya kuɗin jigilar kaya.
Don Allah a samar da daraja, faɗi, kauri, buƙatun gyaran saman da adadin da kuke buƙatar siya.
Farashi ya bambanta dangane da canjin farashin kayan masarufi na lokaci-lokaci.
30% T/T a gaba, ma'auni kafin jigilar kaya
Ee, idan kuna da ƙirar kanku, za mu iya samar da shi bisa ga ƙayyadaddun bayanai da zane.
