Tattara lahani na yau da kullun da matakan kariya a cikin ƙwanƙwasawa da kashewa

    Burarfafawa da ƙwanƙwasawa hakika tsari ne mai hadewa, ma'ana carburizing + quenching. Sau da yawa ana amfani da mu don magana game da biyun tare, saboda matakai biyu da aka kammala akan kayan aiki guda ɗaya sune mafi yawan haɗuwa a cikin samarwa (amma kuma akwai burbushin iska mai ƙwanƙwasawa, ƙwanƙwasawa a hankali sanyin jiki sannan sake kunnawa da kashewa, da sakandare Aiki) Sannan wasu abubuwanda ba'a so wadanda aka hadu dasu a wajen samarwa sune matsalolin carburizing, wasu kuma matsalar quenching ne, wasu kuma sakamakon hada karfi da karfe ne.

Mun sani cewa duk hanyoyin sarrafa zafin ba za'a iya rabasu da manyan lamura guda uku ba: dumama, kiyaye zafi, da sanyaya. A daki-daki, gami da zafin jiki na dumama, ƙimar dumama, lokacin riƙewa, ƙimar sanyaya, kuma ba shakka, al'amuran yanayi. Don haka da zarar wani abu yayi kuskure, koyaushe zamuyi nazarin dalilin daga waɗannan bangarorin.

       Don ƙwanƙwasawa da ƙwanƙwasawa, sau da yawa muna gwada waɗannan alamun: bayyanar farfajiyar samfuran, taurin sama, mahimmancin taurin, zurfin zurfin laɓɓan, Bari mu raba ra'ayina game da waɗannan alamun.

1. Matsalar bayyana
      1. Matsayi na Oxide: Wannan yafi yawa ne saboda kwararar kayan aiki, iskar gas mai ɗauke da tsabta, ko abun cikin ruwa. Ana buƙatar nemo dalili daga kayan aiki da kayan ƙira.

       2. Wata matsalar da ta fi matsala ita ce matsalar tabo, wanda kuma sabo ne da kuma kalubale da ake bukata don maganin zafi a wannan zamani. Dalilan suna da rikitarwa kuma suna da zurfin gaske.

biyu. Taurin da bai cancanta ba
1. Babban tauri (ba a tattauna ba)

       2. hardananan taurin: Akwai yanayi biyu, ɗayan bai dace da aikin carburizing ba. Dalilin yana iya kasancewa cewa shimfidar carburized ba ta da zurfin zurfin don saduwa da bukatun zane-zane, (ba a shigar da layin carburized ba), ko kuma sikelin ganowa da aka zaba ya zarce zangon da za a iya yin amfani da shi, wanda zai lalata layin carburized.

Magani: Sake cika mashigar kuma bi mai dubawa. JBT 6050-2006 "Babban Ka'idoji don Kula da atwarewar Kula da Hardarfin sassan Steelarfe" Zurfin abin da aka kwashe shi a zahiri aiki ne na yanayin zafin jiki, lokaci, da kuma ƙarfin carbon. Daga abubuwan da ke sama, zamu iya yin la'akari da hanyoyi don haɓaka zafin jiki na dumama, tsawaita lokacin riƙewa, da haɓaka ƙarfin carburizing. (Tabbas, daidaita kowane ma'auni yakamata a haɗe shi da buƙatun kayan aikinku da samfuranku) Hakanan yana iya zama saboda kasancewar ƙungiyoyi marasa dawakai a farfajiya. Wani yanayin na faruwa yayin da taurin yayi kasa, ma'ana, carburizing ya cancanta, amma quenching din bai cancanta ba. Gabaɗaya magana, ba a kashe ta. Wannan yanayin shi ne mafi rikitarwa, kamar yadda masu iya magana ke cewa: maganin zafi ya dogara da dumama gida uku, da sanyaya a bariki bakwai. Hakanan yana nuna matsayin da aikin sanyaya yake kasancewa a cikin aikin maganin zafi.

Mai zuwa gwajin gwadawa ne da na tsara. Kuna iya tattauna tasirin sanyaya akan taurin.

Auki ƙungiyoyi 3 na sandunan gwaji tare da abubuwa daban-daban amma ƙayyadaddun bayanai da girma, girman su Φ20mmX100mm. (Muna kiran lambar 20 na gwajin gwajin karfe na 1, 20Cr mashayan gwajin na 2 da na 20CrMnTi mashaya na 3) Ana gwajin sandunan gwajin a cikin zafi daya ta amfani da tsari iri daya. Muna zaton cewa zurfin labulen zurfin sandunan gwajin guda uku shine 0.6-0.7mm (ps: zaton kawai an kafa shi a cikin kyakkyawan yanayin).

Da fatan za a yi la'akari da sharuɗɗa masu zuwa:

a. Gama quenching a ƙarƙashin yanayi guda

b. Quenching matsakaici shine mai mai jinkiri, mai mai sauri, ruwa mai tsabta, ruwan gishiri

 c. A cikin matsakaici ɗaya ba tare da motsawa da motsawa da ƙarfi ba, ana ɗaukar sandunan gwaji guda uku kowane rukuni biyu don gwaji.

Bayan an gama carburizing, ana kashe rukunin A a digiri 800, kuma ana kashe rukunin B a digiri 860. Menene oda taurinsu daga sama zuwa kasa? Yadda ake oda da tauraruwar tauraruwa (tare da 550HV1.0 azaman iyaka) daga zurfin zuwa mara zurfi? Barsauki sandunan gwaji guda biyu na abu ɗaya kuma ka gwada kuma ka gwada, wane rukuni ne zai iya samun ƙarancin ƙarancin ƙarfi da kuma zurfin zurfin layin da ke da ƙarfi?

 Shin za a iya kammala shi daga sakamakon gwajin da ke sama cewa zurfin layin da aka kwashe ba daidai yake da zurfin larurar da ke da ƙarfi ba, kuma ainihin zurfin layin yana da lahani ta ƙarfin kayan, ƙarancin zafin jiki, da sanyaya kudi. Halayen sanyaya da tsananin sanyi na matsakaicin matsakaici suma suna shafar tasirin kashewar. Abubuwan da ke sama ra'ayoyin mutane ne, idan akwai rashin cikawa, zaka iya karawa. Tabbas, girman girman sassan yana shafar tasirin taurin.

Ina tsammanin gogaggen ɗan duba zai iya tantance ainihin abin da ke haifar da ƙananan taurin ta hanyar shiryawa da haɗa wasu hanyoyin gwaji, sannan kuma gano ainihin dalilin warware shi; a matsayinka na mai sana'ar hannu, idan ka saba da halaye na kayan karafa na yau da kullun, aikin sanyaya na kayan aikin sa da matsakaici ya kai wani mataki na fitarwa, wanda hakan babban taimako ne ga kirkirar carburizing da quenching matakai.

        3. Taushin mara daidai: yanayin zafin wutar makera (wanda yake shafar daidaiton carburizing), tsarin kayan aiki, yanayin yanayi, shigar wuta,

        4. Babban taurin bai cancanta ba. Ya yi tsayi da yawa: yanayin zafin sanyi ya yi yawa sosai, ƙwarewar kayan abu ya yi kyau ƙwarai, iyakar iyakar carbon da haɗin gami, da matsakaicin yanayin sanyaya ya yi sauri. Hardarfin ƙarfin yana ƙasa: kawai akasin haka.

Misali raba: 20 # karfe 1.5mm samfurin, bukatun: infiltration Layer 0.2-0.4mm core HV250, wasu abokai a cikin wannan masana'antu suna tunanin cewa bukatun ne m, (kowa da kowa ya san cewa mafi girma taurin 20 # karfe slab martensite zai zama HV450- 470) Don magance wannan matsalar, dole ne mu fara fahimtar halayen wannan abu: gami da ƙarancin ƙarfi da iya wuya.

Sannan hada abubuwan da aka ambata a sama wadanda suke shafar tasirin kashewar, da nemo hanyoyin da za'ayi da kuma sanyaya. A wannan yanayin, an gyara kayan. Zamu iya gano hanya daga yanayin zafin sanyi da yanayin sanyaya. Wannan masana'antar tana amfani da mai mai sauri. Idan rage ƙarfin zafin bai cika abubuwan da ake buƙata ba, za mu iya kuma rage yawan zafin zafin. Hanyar.

Har ila yau wannan magana ɗaya, daga digiri 860-760, (lokacin da aka saukar da zafin jiki zuwa wani matakin, za a sauko da wani adadi na ferrite daga supercooled austenite a cikin cibiya, kuma taurin zai ragu a wannan lokacin., Da ƙari da yawan zafin jiki yana raguwa, gwargwadon yawan ƙarfin ferrit da ake fiskanta, ƙari ƙarfin ƙarfin yana raguwa.

Anan ga tunatarwa: Wajibi ne a haɗu da yanayin kayan aikin gaba ɗaya kuma a yi hayaniya game da takaddama mai fa'ida ta musamman.

3. Launin carburized ko ingantaccen shimfiɗar carburized ya fi zurfi da zurfi

Kamar yadda aka ambata a baya, zurfin layin shigar ciki cikakken aiki ne na zazzabi, lokaci, da ƙwarin carbon. Don magance wannan matsalar, dole ne mu fara da zafin jiki na dumama, saurin dumama, riƙe lokaci, saurin sanyaya, da kuma sarrafa ɗan ƙaramin ƙwayar carbon a cikin layin carbon. Mafi girman zazzabi, ya fi tsayi lokaci, kuma mafi girman ƙarfin carbon, zurfin shimfidar shigar ciki, kuma akasin haka.

Amma a gaskiya, ya fi wannan sauƙi nesa ba kusa ba. Don tsara aikin carburizing, dole ne ku kuma yi la’akari da kayan aiki, ƙarfin wutar makera, halayen mai, tsarin ƙirar karfe, ƙarancin kayan aiki, ɗan tudu a cikin ƙirar carburized da yanayin sanyaya. Da sauran wasu dalilai. Ana iya yin nazarin wannan tare da yin la'akari da yanayin rashin ƙarfi na baya, kuma ba za a bayyana shi cikin zurfin ba.

Na huɗu, ƙungiyar ƙarfe

Matsakaicin martensite: albarkatun kasa suna da hatsi mara nauyi, ko ba a daidaita su ba, kuma yanayin zafin jiki ya yi yawa. Magani: daidaitawa ko daidaitawa da yawa, (ana bada shawarar cewa yawan zafin jiki na al'ada ya dara digiri 20-30 sama da zafin jiki) Idan zai yiwu, kuyi la'akari da kara kuzari da jinkirin sanyaya sannan sake zafafawa da kashewa

      Lymparancin Paralympic mai yawa: yawan zafin jiki na ƙwanƙwasa ya yi yawa, haɓakar carbon ɗin da ke cikin austenite ta yi yawa (ƙarfin carbon ya yi yawa sosai). Magani: Cikakken yaduwa da yanayin yarda zai iya rage yawan zafin jiki mai zafi, saurin zafin jiki da reheating da quenching, ko magani na cryogenic.

      Barancin carbide mai yawa: yawan abun cikin carbon a cikin austenite (maƙasudin carbon da yawa), jinkirin jinkirin sanyayawa, yanayin ruwan sama

      Magani: yadawa gaba daya, sarrafa yanayin sanyaya, rage banbancin zafin jiki tsakanin carburizing da quenching yadda ya kamata, da amfani da yanayin zafin jiki mara nauyi ko kuma zafin jiki kadan-kadan. Idan dole ne a yi amfani da wannan aikin, dole ne a sarrafa kayan wutar. Bari muyi tunanin: kayan aikin guda ɗaya an kwashe su a 920 ° C kuma an kashe su a 820 ° C. Thearfin wutar itace 1000kg da 600kg, kuma yanayin sanyaya iri ɗaya ne? Wanne zai dauki tsawon lokaci? Wanne darajar carbide ce mafi girma?

Biyar. Ba-doki da kuma hadawan abu da iskar shaka

 Magungunan shayarwa na ciki: Shine dauki tsakanin abubuwa masu hade kamar chromium, manganese da molybdenum a cikin karfe da kuma yanayin iskar shaka a sararin samaniya (galibi oxygen, ruwa, carbon dioxide), wanda yake lalata abubuwan da ke hade cikin matrix, wanda ke haifar da raguwa a cikin iyawar kayan. Ana iya ganin tsarin sadarwar baƙar fata a ƙarƙashin microscope, ma'anarta ita ce tsarin ƙarfin sojoji wanda aka samu ta hanyar ɓarnatar da abubuwan da ke haɗa abubuwa a cikin matrix da kuma raguwar ƙarfin aiki.

         Mafitar ita ce a nemo hanyoyin da za a kara yawan sanyaya na matsakaici, a kara karfin zafin, da rage yanayin da ke sanya iskar shaka a cikin wutar makera (a tabbatar da tsarkakakken kayan kara kuzari da kayan taimako, rage girman iska mai daidaito, a daidaita daidaitaccen iska. abun cikin danshi, da kuma tabbatar da cewa kayan aikin basu zubo ba .. Isasshen shaye shaye) Kayan aiki na al'ada yana da wahalar kawarwa. Ance za'a iya kawar da kayan aikin kara karfin iska mara karfi. Bugu da kari, karfin harbi mai karfi yana kuma iya rage matakin iskar shaka na ciki.

Na karanta ra'ayoyin wasu masana, wasu kuma sunyi imanin cewa ammoniya mai yawa a cikin aikin carbonitriding na iya haifar da rashin dawakai. Ni kaina ina da ra'ayi daban game da wannan: wataƙila sakamakon yawan ruwa cikin ammoniya ne ya haifar da shi? Saboda an fallasa ni cikin yawancin abubuwan da ke samar da carbonitrid, ba a sami abin da ba na jikin doki ba a yayin binciken samfurin. (Amma ban tsammanin wannan ra'ayin ba daidai bane) Wasu masana'antun masana'antu na ƙasashen waje suna ba da mahimmin mahimmanci ga haɓakar ciki, musamman masana'antar kaya. A cikin gida, ana buƙatar zurfin zurfin bai wuce 0.02mm azaman cancanta ba.

        Ba-martensitic: tsarin da ba martensitic ba ya bayyana a saman layin carburized saboda carburization ko ƙarancin matsalolin bayan ƙarewa, kamar su ferrite, bainite, kuma ba shakka, nau'in haɓakar ciki na ciki. Tsarin ƙarni yana kama da hadawan abu a ciki, kuma maganin yayi kama.

Shida. Matsalar nakasawa

        Wannan matsala ce ta tsarin, kuma ita ce ma matsala mafi matsala ga ma'aikatanmu waɗanda ke tsunduma cikin maganin zafi. An tabbatar dashi daga bangarori da dama na kayan aikin sanyaya matsakaici. Abubuwan da ke sama ƙwarewar mutum ne kawai. Idan akwai wani rashin daidaituwa, kuna maraba don gyara ni, na gode.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa:Tattara lahani na yau da kullun da matakan kariya a cikin ƙwanƙwasawa da kashewa

Minghe Kamfanin 'Yan Wasa Masu Mutu aka sadaukar domin tsirar da samar da inganci da kuma high yi Gyare sassa (karfe mutu simintin sassa Range yafi hada da Thin-Wall Mutu Wasa,Hot Chamber Mutu Wasa,Cold Chamber Mutu Wasa), Zagaye Sabis (Mutuwar 'Yan Wasa,CNC machining,Motsa Motsa, Jiyya na sama) .Adadin al'ada Aluminium ya mutu, magnesium ko Zamak / zinc mutu simintin gyare-gyare da sauran buƙatun simintin maraba don tuntube mu.

Karkashin kulawar ISO9001 da TS 16949, Ana aiwatar da dukkan matakai ta hanyar daruruwan injunan jefa simintin da suka mutu, injunan axis 5, da sauran kayan aiki, tun daga masu fashewa zuwa na’urar Ultra Sonic masu wanki.Minghe ba kawai tana da kayan aiki na zamani ba amma kuma tana da kwararru ƙungiyar ƙwararrun injiniyoyi, masu aiki da sufetoci don tabbatar da ƙirar abokin ciniki ta zama gaskiya.

Manufactureran kwangilar masana'antar mutu. Abubuwan haɓakawa sun haɗa da sassan sanyi na sassan mutuɗar aluminum daga 0.15 lbs. zuwa 6 lbs., saurin canje-canje da aka saita, da aikin inji. Sabis-ƙarin ayyuka sun haɗa da gogewa, faɗakarwa, lalatawa, fashewar harbi, zane, zane, rufi, haɗuwa, da kayan aiki. Abubuwan da aka yi aiki tare sun haɗa da allo irin su 360, 380, 383, da 413.

Zinc ya mutu don jefa ƙirar ƙira / sabis na injiniya tare. Custom manufacturer na daidaici tutiya mutu simintin gyaran kafa. Castananan 'yan simintin gyare-gyare, pressurean ƙwanƙwasa masu juzu'in juzu'in simintin gyare-gyaren juzu'ai, ƙera simintin gyare-gyare na al'ada, ɓangaren mutu da' yan wasa masu mutuwa masu zaman kansu da ƙofar da aka hatimce za a iya ƙera su. Za'a iya kerarrar 'yan simintin a tsayi da faɗi har zuwa 24 a ciki. A cikin +/- 0.0005 a cikin. Haƙuri.  

ISO 9001: 2015 bokan masana'anta ta mutu magnesium, Abubuwan haɓaka sun haɗa da matsin lamba na magnesium mai matsi mai yawa har zuwa tan 200 mai ɗumi mai zafi & 3000 ton mai sanyi, ƙirar kayan aiki, gogewa, gyare-gyaren, inji, foda & zanen ruwa, cikakken QA tare da damar CMM , taro, marufi & isarwa.

ITAF16949 bokan. Servicearin Sabis ɗin Gyare Hadawa zuba jari,yashi,Kushin nauyi, Stauren ɓoye ɓoye,Siffar Centrifugal,Cast Vacuum,Dindindin Mould Gyare, .Hanyoyin iyawa sun hada da EDI, taimakon injiniya, ingantaccen samfuri da aiki na sakandare.

Fitar Masana'antu Abubuwan Nazarin sassa don: Motoci, Bikes, Jirgin sama, kayan kiɗa, Jirgin ruwa, Na'urorin hangen nesa, na'urori masu auna sigina, na'urori masu auna sigina, Na'urori, Kayan lantarki, ,unshi, Clocks, Inji, Injiniya, Kayan Kaya, Kayan Jiki, Jigs, Telecom, Haske, Kayan aikin likita, Na'urar daukar hoto, Robobi, Sassaka, kayan sauti, kayan wasanni, Kayan aiki, Kayan wasa da ƙari. 

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By Minghe Mutu Wasa Wasa | Categories: Labarai masu Taimakawa |Material Tags: Gyare Aluminum, Zinc Gyare, Fitar Magnesium, Castan Wasanni, Bakin Karfe Cast, Fitar tagulla,Gyare Tagulla,Fitar Bidiyo,Tarihin Kamfanin,Aluminum Mutu Gyare | Comments Off