Abubuwa Daban -Dabi'u Na Juyin Juya Hali

A halin yanzu, a masana'antar kera, an yi amfani da sabbin fasahohin kamar injin ƙera wutar lantarki, niƙa tsari, yanke waya, da sauransu don mafi kyawun warware matsalolin hadaddun ƙirar mold da naƙasasshewar zafi. Koyaya, waɗannan sabbin hanyoyin har yanzu ba a yi amfani da su sosai ba saboda ƙuntatawa daban -daban. Sabili da haka, yadda ake rage gurɓataccen magani na ƙirar ƙirar har yanzu lamari ne mai mahimmanci.

Kullum, kyawon tsayuwa na buƙatar babban madaidaici. Bayan maganin zafi, ba shi da wahala ko ma ba zai yiwu a sarrafa da gyara ba. Sabili da haka, bayan jiyya mai zafi, koda tsarin da aikin sun kai abubuwan da ake buƙata, idan nakasa ta kasance daga haƙuri, to za a soke ta saboda ba za a iya samun ceto ba. Ba wai kawai yana shafar samarwa ba, har ma yana haifar da asarar tattalin arziki.

Ba a tattauna babban dokar lalacewar maganin zafin rana anan ba. Mai zuwa shine taƙaitaccen bincike na wasu abubuwan da ke shafar gurɓacewar ƙwayar cuta.

Tasirin kayan kwalliya akan gurɓacewar maganin zafi

Tasirin kayan akan nakasa maganin zafi ya haɗa da tasirin sinadaran ƙarfe da tsarin asali.

Daga mahangar kayan da kanta, naƙasasshen maganin zafi yana shafar tasirin abun da ke ciki a kan mawuyacin hali da kuma Ms ma'ana.

Lokacin da aka kashe ƙarfe na kayan aikin carbon da ruwa da mai a yanayin zafin da aka saba, ana haifar da babban damuwar sama da matakin Ms; lokacin da aka sanyaya shi a ƙasa da ma'anar Ms, austenite yana canzawa zuwa martensite, yana haifar da matsi na tsarin, amma Saboda rashin ƙarfi na ƙarfe na kayan aikin carbon, ƙimar ƙarfin tsarin ba babba bane. Bugu da ƙari, ma'anar Ms ba ta da girma. Lokacin da canjin martensite ya faru, filastik na baƙin ƙarfe ya riga ya talauce kuma naƙasasshen filastik ba shi da sauƙin faruwa. Sabili da haka, halayen nakasa na haifar da danniya na zafi ana riƙe su, kuma ramin ƙyallen yana kan ƙuntatawa. Koyaya, idan an ƙara yawan zafin zafin da ake kashewa (> 850 ° C), matsin tsarin zai iya taka rawa, kuma ramin yana son faɗaɗawa.

Lokacin yin ƙere -ƙere tare da ƙananan ƙarfe na kayan aikin ƙarfe kamar 9Mn2V, 9SiCr, CrWMn, GCr15 ƙarfe, dokar lalata na kama da na ƙarfe na kayan aikin carbon, amma adadin naƙasasshe ya yi ƙasa da na ƙarfe na kayan aikin ƙarfe.

Don wasu manyan ƙarfe na ƙarfe, kamar ƙarfe na Cr12MoV, saboda babban abun ciki na carbon da abubuwan haɗawa da ƙarancin maƙasudin Ms, akwai ƙarin austenite da aka riƙe bayan kashewa, wanda ke da tasiri mai yawa akan haɓaka ƙarar saboda martensite. Sabili da haka, naƙasasshen bayan kashe shi kaɗan ne. Gabaɗaya, lokacin kashewa tare da sanyaya iska, sanyaya iska, da wankin gishiri na nitrate, ramin ƙyallen yana kan faɗaɗa kaɗan; idan zafin zafin ya yi yawa, adadin da aka riƙe austenite zai ƙaru. Ramin kuma na iya raguwa.

Idan ƙirar an yi ta da ƙarfe na ƙarfe (kamar ƙarfe 45) ko wasu ƙarfe na ƙarfe (kamar 40Cr), saboda babban maƙasudin Ms, lokacin da farfajiyar ta fara canzawa zuwa martensite, babban zafin jiki har yanzu ya fi girma, kuma Ƙarfin yawan amfanin ƙasa Yana da ƙasa kuma yana da wani matakin filastik. Damuwa ta hanzari na farfajiya na farfajiya zuwa gindin cikin sauƙi ya fi ƙarfin ƙarfin tushen kuma ramin yana kan kumbura.

Tsarin asali na karfe shima yana da wani tasiri akan kashe nakasa. "Tsarin farko na ƙarfe" da ake magana a nan ya haɗa da matakin haɗawa a cikin ƙarfe, matakin ƙulle -ƙulle, matakin rarrabuwa na abubuwan haɗin gwiwa, alƙawarin rarraba carbides kyauta, da sauransu, kazalika da tsarin daban -daban. da aka samu saboda jiyya daban-daban kafin zafin rana (Kamar su pearlite, sorbite mai ɗaci, troostite mai zafin rai, da sauransu). Don baƙin ƙarfe, babban abin la'akari shine rarrabuwa na carbides, sifa da rarraba carbides.

Sakamakon rarrabuwar kawuna a cikin babban carbon da baƙin ƙarfe (irin su Cr12 karfe) akan kashe nakasa musamman a bayyane yake. Kamar yadda rarrabuwa na carbide ke haifar da ƙirar ƙirar ƙarfe bayan dumama zuwa yanayin austenite, alamun Ms a yankuna daban -daban za su yi girma ko ƙasa. A ƙarƙashin yanayin sanyaya guda, canjin austenite zuwa martensite yana faruwa da farko, kuma takamaiman ƙimar martensite da aka canza ya bambanta dangane da abun cikin carbon, har ma da wasu ƙananan carbon da ƙananan yankuna na iya Babu martensite (amma bainite, troostite, da sauransu), wanda duk zai haifar da nakasa na sassan bayan kashewa.

Siffofin rarraba carbide daban -daban (wanda aka rarraba a cikin granular ko fibrous form) suna da tasiri daban -daban akan faɗaɗa da ƙuntatawar matrix, wanda kuma zai shafi nakasa bayan jiyya mai zafi. Gabaɗaya, ramin yana faɗaɗa tare da jagorancin firam ɗin carbide, kuma ya fi bayyane Yayin da alkiblar keɓewa ga fiber ɗin ta ragu, amma ba ta da mahimmanci. Wasu masana'antun sun yi ƙa'idodi na musamman don wannan. Yankin ramin yakamata ya kasance daidai da shugabanci na carbide fiber don rage nakasa ramin. Lokacin da carbide ya kasance granular Lokacin da aka rarraba shi daidai, ramin yana nuna faɗaɗawa da ƙuntatawa.

Bugu da ƙari, yanayin tsarin kafin zafin zafi na ƙarshe shima yana da wani tasiri akan nakasa. Misali, asalin tsarin lu'ulu'u mai siffa yana da ƙaramin hali na ɓarna bayan kashewa fiye da pearlite mai ƙyalli. Sabili da haka, ana kera kyalkyali tare da tsauraran buƙatun naƙasasshe don kashewa da warkar da zafin jiki bayan m injin, sannan kuma kammalawa da magani na ƙarshe.

Tasirin ƙirar geometry akan nakasa

Tasirin ƙirar geometry akan naƙasasshen maganin zafi a zahiri yana aiki ta hanyar matsi na zafi da damuwar ƙungiya. Tun da sifar sifar ta bambanta, har yanzu yana da wahala a takaita ainihin dokar nakasa daga gare ta.

Don sifofi masu daidaituwa, ana iya la'akari da yanayin gurɓataccen ramin gwargwadon girman rami, girman siffa da tsayi. Lokacin da bangon murfin yayi siriri kuma tsayinsa ƙarami ne, yana da sauƙin kashewa. A wannan lokacin, yana yiwuwa damuwar nama tana taka muhimmiyar rawa. Sabili da haka, kogon yana yawan kumbura. Sabanin haka, idan kaurin bango da tsayinsa ya yi yawa, ba shi da sauƙi a taurara. A wannan lokacin, damuwar zafi na iya taka rawar gani. Sabili da haka, ramin sau da yawa yakan kan ƙuntata. Abin da aka ambata anan shine yanayin gabaɗaya. A cikin aikin samarwa, ya zama dole a yi la’akari da takamaiman sifar sashin, matakin ƙarfe da tsarin kula da zafi, da sauransu, kuma a taƙaice taƙaita ƙwarewar ta hanyar aiki. A cikin ainihin samarwa, girman waje na ƙirar galibi ba shine babban ma'aunin aiki ba, kuma ana iya gyara nakasa ta hanyar niƙa, da sauransu, don haka babban binciken da ke sama shine yanayin ɓarna na rami.

Naƙasasshen sifa na asymmetrical shima sakamakon sakamako ne na haɗuwar matsin zafi da damuwar nama. Misali, ga wani shinge mai kauri mai kauri mai kauri, saboda bangon kwandon yana da kauri, bambancin zafin jiki tsakanin ciki da waje kadan ne yayin da ake kashewa, don haka damuwar zafi kadan ce; amma yana da sauƙi a kashe shi kuma damuwar tsarin tana da girma, don haka naƙasa tana ƙoƙarin faɗaɗa ramin.

Don rage gurɓataccen ƙirar, sashen kula da zafi yakamata yayi aiki tare da sashin ƙirar ƙirar don haɓaka ƙirar ƙirar, kamar gujewa tsarin ƙirar tare da manyan bambance-bambance a girman sashi-sashi, sifofi masu daidaitaccen sifa, da tsarukan tsarukan don hadaddun. kyawon tsayuwa.

Lokacin da ba za a iya canza sifar sifar ba, don rage nakasa, ana iya ɗaukar wasu matakan. Babban la’akari da waɗannan matakan shine inganta yanayin sanyaya ta yadda kowane sashi za a iya sanyaya shi daidai; Bugu da kari, ana kuma iya taimakawa matakan tilastawa daban -daban don takaita nakasa sassan. Misali, ƙara ramukan aiwatarwa shine ma'auni don sanyaya ɗaki na kowane sashi, wato buɗe ramuka a wasu sassan sifa, ta yadda kowane sashi na injin zai iya sanyaya gaba ɗaya don rage nakasa. Hakanan ana iya nannade shi da asbestos akan keɓaɓɓen ƙirar da ke da sauƙin faɗaɗa bayan kashewa don haɓaka bambancin sanyaya tsakanin rami na ciki da murfin waje da rage girman rami. Riƙe haƙarƙarin ko ƙarfafa haƙarƙari akan ƙirar wani matakin tilas ne don rage naƙasa. Ya dace musamman don mutuwa tare da kumburin rami kuma ku mutu da ƙima wanda yake da sauƙin faɗaɗawa ko raguwa.

Tasirin tsarin maganin zafi a kan nakasa

1. Tasirin saurin dumama

Gabaɗaya magana, yayin kashe dumama, saurin saurin dumama, mafi girman matsin zafi da aka samu a cikin injin, wanda wataƙila zai haifar da nakasa da fasa ƙirar. Musamman don ƙarfe na ƙarfe da ƙarfe mai ƙarfi, saboda ƙarancin ƙarancin zafin su, yakamata a ba da kulawa ta musamman ga preheating Don wasu molds masu ƙyalli masu siffa mai rikitarwa, ya zama dole a ɗauki matakai da yawa na zafin zafi. Koyaya, a lokuta daban -daban, saurin dumama wani lokaci yana iya rage nakasa. A wannan lokacin, saman murfin kawai yana da zafi, yayin da cibiyar ta kasance "sanyi", don haka damuwar nama da matsin lamba suna raguwa daidai gwargwado, kuma juriya na nakasa ya fi girma. , Ta hakan rage naƙasasshewar ɓarna, a cewar wasu ƙwarewar masana'anta, da aka yi amfani da ita don warware nakasa ramin yana da wani tasiri.

2. Tasirin zafin dumama

Ƙunƙarar zafi mai zafi yana shafar ƙarfin kayan, kuma a lokaci guda yana shafar abun da ke ciki da girman hatsin austenite.

• (1) Daga hangen nesan ƙarfi, zafin zafi mai dumama zai haɓaka ƙarfin zafi, amma a lokaci guda yana ƙaruwa da ƙarfi, don haka tsarin tsarin yana ƙaruwa, kuma a hankali ya mamaye. ., lokacin da aka kashe shi a yanayin zafin jiki na gaba ɗaya, diamita na ciki yana nuna halin raguwa, amma idan ƙin zafin ya ƙaru zuwa -8 ° C, ƙarfin yana ƙaruwa kuma ƙarfin tsarin a hankali ya zama rinjaye, Don haka diamita na ciki na iya nuna hali. kumbura.
• (2) Daga hangen abun da ke ciki na austenite, ƙaruwa a cikin zafin zafin yana ƙaruwa da iskar carbon austenite, da kumburin martensite bayan kashewa (ƙara ƙarar takamaiman), wanda ke ƙara ƙarar bayan kashewa.
• (3) Daga duban tasirin tasirin a kan Ms, mafi girman zafin zafin da ke kashewa, mafi ƙarancin hatsi austenite, wanda zai haɓaka naƙasa da ɓarna na sassan.

A taƙaice, ga duk maki na ƙarfe, musamman wasu matsakaitan matsakaitan carbon da manyan ƙarfe na ƙarfe, tabbas zafin zazzabin zai shafi ɓarnawar ƙirar. Sabili da haka, zaɓin daidai na kashe zafin zafin dumama yana da mahimmanci.

Gabaɗaya magana, zaɓar maɗaukakin yanayin zafin zafin zafi ba shi da kyau don nakasa. A ƙarƙashin yanayin rashin tasiri akan aikin, ana amfani da ƙananan zafin zafi koyaushe. Koyaya, ga wasu maki na ƙarfe tare da ƙarin austenite da aka riƙe bayan kashe (kamar Cr12MoV, da sauransu), ana iya daidaita adadin austenite da aka riƙe ta hanyar daidaita zafin zafin don daidaita ɓarna na ƙirar.

3. Tasirin kashe yawan sanyaya

Gabaɗaya, haɓaka ƙimar sanyaya sama da ma’anar Ms zai ƙara yawan damuwar zafi, kuma a sakamakon haka, naƙasasshen da zafin zafin ke haifar yana ƙaruwa; haɓaka ƙimar sanyaya ƙasa a ƙarƙashin ma'anar Ms galibi yana haifar da nakasawar da damuwar nama ke haifar da ƙaruwa.

Don maki daban -daban na ƙarfe, saboda tsayin tsayin maki Ms, lokacin da ake amfani da matsakaiciyar murƙushewa, akwai halaye na nakasa daban -daban. Don iri ɗaya na ƙarfe, idan ana amfani da kafofin watsa labarai na kashe wuta daban -daban, su ma suna da halaye na nakasa daban -daban saboda ƙarfin sanyaya su daban -daban.

Misali, alamar Ms na ƙarfe na kayan aikin ƙarfe yana da ƙarancin ƙarfi, don haka lokacin da ake amfani da sanyaya ruwa, tasirin danniyar zafi yana ɗaukar rinjaye; lokacin da ake amfani da sanyaya, damuwar tsarin na iya rinjaya.

A cikin ainihin samarwa, galibi galibi ba a kashe kwarkwasa idan aka yi musu ƙira ko a yi musu ƙira, don haka damuwar zafi galibi ita ce babban abin da ke haifar da raguwar ramin. Koyaya, saboda damuwar zafi ba ta da girma sosai a wannan lokacin, Saboda haka, nakasa gabaɗaya kaɗan ce. Idan ana amfani da mai-ruwa mai kashe ruwa biyu ko kashe mai, zafin damuwar da aka haifar ya fi girma, kuma raguwar ramin zai ƙaru.

4. Tasirin zafin zafin jiki

Tasirin zafin zafin jiki akan nakasa yafi faruwa ne ta hanyar sauyin tsarin yayin tsarin zafin jiki. Idan sabon abu na "kashe kuzari na biyu" ya faru yayin aiwatar da zafin jiki, austenite da aka riƙe yana canzawa zuwa martensite, kuma takamaiman ƙimar martensite da aka samar ya fi girma fiye da na austenite da aka riƙe, wanda zai haifar da rami mai ƙyalli. Don wasu ƙarfe na kayan aikin ƙarfe, kamar Cr12MoV, ana amfani da ƙin zafin zafin jiki don buƙatar taurin ja azaman babban abin buƙata. Lokacin yawan zafin jiki, ƙarar tana ƙaruwa sau ɗaya a duk lokacin da ake yin zafin.

Idan ana jin zafi a wasu yankuna masu zafin jiki, takamaiman ƙarar tana raguwa saboda canjin martensite da aka kashe zuwa martensite mai zafin rai (ko mai zafin rai, mai zafin rai, da sauransu), sabili da haka, ramin yana kan ƙuntatawa.

Bugu da ƙari, a lokacin zafin jiki, hutawar damuwar da ta rage a cikin injin shima yana shafar nakasa. Bayan an kashe murfin, idan farfajiyar tana cikin yanayin damuwa, girman zai ƙaru bayan zafin jiki; akasin haka, idan farfajiyar tana cikin matsanancin damuwa, zai ragu. Amma daga cikin tasirin sauye -sauye na ƙungiya da annashuwar damuwa, tsohon shine babba.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa: Abubuwa Daban -Dabi'u Na Juyin Juya Hali

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