Lokacin da kuka ji 'Karfe na sarrafa kayan injin', yawancin masu hankali suna tsalle kai tsaye zuwa ga kayan aikin da aka gama da haske ko hadadden gidaje masu niƙa CNC. Karshen labarin ke nan. Ainihin labari, wanda ke ƙayyade idan wani sashi yana da shekaru goma ko ya kasa a cikin shekara guda, an binne shi a cikin zabin da aka yi tun kafin kayan aiki na farko ya taɓa karfe - zaɓin alloy, mutuncin simintin gyare-gyare, dabarun machining wanda ba kawai ya bi tsarin CAD ba amma ya fahimci rayuwar ɓangaren a cikin injin da ke zubar da 24/7. Ba wai kawai don yin bangare ba ne; game da aikin injiniya wani ɓangaren lalacewa ne wanda ke ɓacewa cikin aikin injin, ya zama abin dogaro gabaɗaya kuma abin mantawa. Wannan ita ce tazarar da ke tsakanin abun kasida da wani abu mai mahimmanci.
Gidauniyar: Duk Yana Farawa (kuma Zai Iya Ƙare) tare da Casting
Kuna iya samun mafi kyawun injin niƙa 5-axis na duniya, amma idan ɗanyen simintin ku yana da ƙarfi ko kuma yana da tsarin hatsi mara daidaituwa, kuna kawai yin juzu'i. Na ga ayyuka da yawa sun lalace ta hanyar ɗaukar simintin a matsayin kayayyaki. Zaɓin tsakanin ƙwanƙwasa harsashi da simintin saka hannun jari ba kawai game da farashi ko rikitarwa ba ne; yana game da hanyoyin damuwa da taro. Wani nauyi mai nauyi Sassan Injin Karfe kamar firam ɗin latsawa ko babban mahalli na kayan aiki yana buƙatar kwanciyar hankali da girman yashi mai kyau na guduro ko simintin harsashi. Don bangon sirara, rikitattun tashoshi na ciki-tunanin jikunan bawul ɗin ruwa ko masu motsa jiki — simintin saka hannun jari yana kusantar ku da sifar yanar gizo, yana adana lokacin injina amma yana buƙatar nau'in sarrafa ƙarfe na daban.
A nan ne tsayin daka a fagen ke da muhimmanci. Kamfani kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da aikinsu na shekaru 30 na yin simintin gyare-gyare da injina, wataƙila sun ga kowane nau'in lahani na simintin da ake iya hasashe. Wannan ƙwaƙwalwar ajiyar cibiyar mabuɗin ce. Ba wai kawai game da samun kayan aiki ba ne; game da sanin cewa don wani babban ƙarfe na chrome da ake amfani da shi a cikin mahalli masu ɓarna, yawan zafin jiki yana buƙatar ƙarar taga don guje wa gefuna masu sanyi waɗanda suka zama wuraren farawa daga baya. Ba za ku iya Google cewa; kun koyi shi daga goge batch ko shekaru biyu da suka wuce.
Na tuna wani akwati tare da abin nadi na abinci don isar ma'adinai. Bangaren ya ci gaba da fashe a cibiyar bayan kusan watanni shida na hidima. Takaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙaƙƙarfan ƙarfe ductile ne. Binciken gazawar ya nuna gajiya. Maganin ba shine mafi kyawun aikin injina ba; yana komawa zuwa kafuwar. Mun canza zuwa ƙarfe mai ƙarfi (ADI) don yin simintin, wanda ya ba da ƙarfin gajiya sosai da juriya. Tsarin injin ɗin ya kasance iri ɗaya ne, amma rayuwar sabis ɗin ɓangaren ya ninka sau uku. Muhimmin canji ya faru a matakin narkakken ƙarfe.
CNC Machining: Inda Madaidaicin Haɗu da Pragmatism
CNC machining ana ɗaukaka sau da yawa azaman daidaitaccen matakin. Gaskiya ne, amma ga sassan injina, daidaito ba tare da mahallin ba yana da ɓatacce. Haƙuri na ± 0.01mm akan kowane farfajiya abin alatu ne don ma'auni, amma ga Sassan Injin Karfe kamar haɗaɗɗiyar shaft, ƙila kawai gundura da maɓalli suna buƙatar wannan kulawa. Sauran na iya zama sako-sako, ceton lokacin sake zagayowar da lalacewa na kayan aiki. Haƙiƙanin fasaha yana cikin jerin ayyuka da daidaitawa-yadda kuke riƙe simintin simintin ban mamaki ba tare da karkatar da shi ba, da kuma sarrafa bayanai waɗanda suka yi daidai da yadda za a haɗa ɓangaren a zahiri.
Yin aiki tare da kayan aiki masu wuya kamar abubuwan haɗin nickel (tunanin Inconel) ko stelite na tushen cobalt don matsanancin lalacewa gaba ɗaya yana canza wasan gaba ɗaya. Siffofin yankanku, lissafin kayan aikinku, har ma da dabarun sanyaya ku sun zama mai mahimmanci. Ba kawai kuna cire karfe ba; kana sarrafa zafi. Bari ɓangaren ya yi zafi sosai, kuma kuna aiki-taurara saman, yin jahannama ta gaba akan abubuwan da kuka saka da yuwuwar lalata amincin ƙasa. Rawar hankali ce, da gangan. Kamfanonin da ke da'awar injin komai sau da yawa suna tuntuɓe a nan. Ƙwarewa, kamar ambaton QSY na musamman gami, yawanci yana nuna ƙaƙƙarfan nasara, takamaiman ilimi.
A m ciwon kai: na ciki danniya taimako. Babban, hadaddun simintin gyare-gyare za su sami matsananciyar kulle-kulle daga sanyaya. Idan kun yi amfani da shi duka a cikin saiti ɗaya mai tsauri, kuna daidaita waɗannan matsalolin, kuma ɓangaren yana jujjuyawa-wani lokaci a bayyane, wani lokacin a hankali, kawai yana bayyana kanta lokacin da aka kulle shi akan layin taron. Hanyar tsohuwar makaranta ita ce injin da ba shi da kyau, sannan a bar shi ya zauna, ko girgiza damuwa, sannan a gama na'ura. Yana kashe lokacin bayarwa amma yana ceton ku daga gazawar filin bala'i. Software na CAM na zamani na iya kwaikwaya wasu daga cikin waɗannan, amma babu wani madadin yin injina isassun sassa makamantansu don sanin waɗanne geometries ke da saurin motsawa.
Mazarin Material: Zaɓar Maƙiyin Dama don Yaƙin
Takaddun zanen gado suna lissafin kaddarorin, amma ba su faɗi cikakken labarin ba. Zaɓi tsakanin karfe 4140, bakin karfe 316, ko bakin karfen duplex don wani bangare ba kawai game da ƙarfin juriya ba ne ko juriyar lalata ba. Yana da game da duka sarkar sarrafawa da yanayin aiki. 4140 dokin aiki ne, injina da kyau, kuma yana da wahala lokacin da aka yi masa magani. Amma sanya shi a cikin jika, ɗan acidic yanayi, kuma zai yi tsatsa. 316 bakin karfe yana warware tsatsa amma yana da ƙarfi ga na'ura, yana sa kayan aiki da sauri, kuma yana iya gall a ƙarƙashin matsin lamba da gogayya.
Don ayyuka masu azabtarwa na gaske-zazzabi mai tsanani, mummunan abrasion, sinadarai masu lalata - kun shiga cikin sararin gami na musamman. Alloys na tushen nickel suna tsayayya da zafi da lalata amma suna da wahalar injin. Alloys na tushen Cobalt, kamar waɗancan jerin QSY, galibi ana amfani da su don fuskantar wuya ko gabaɗayan sassan da ke fuskantar lalacewa mai tsanani, kamar kujerun bawul ko haƙoran yanka. Suna da wuya a kan kayan aiki. Shawarar yin amfani da su bincike ne na fa'ida mai tsada na ɓangaren rayuwa tare da wahalar masana'antu. Ba ku saba musu ba; ka koma gare su lokacin da babu wani abu da ya dawwama.
Misali daga sarrafa abinci: sashin skru mai buƙatu da ake buƙata don ɗaukar ɗan ƙaramin acidic, slurry mai ƙyalli. Bakin 304 sun ƙare a cikin watanni 8. Mun matsa zuwa bakin karfe 440C mai taurin, wanda ya dade amma ya fi karyewa da wayo ga na'ura ba tare da fashe-fashe ba. Magani na ƙarshe, nasara shine bakin karfe 17-4 PH, hazo mai taurare. Ya ba da ma'auni mai kyau na juriya na lalata, na'ura a cikin yanayin da ba shi da kyau, sa'an nan kuma za'a iya magance zafi zuwa babban taurin bayan machining. Zaɓin kayan ya nuna duk hanyar masana'anta.
Kasawa A Matsayin Malami: Abubuwan da Basu Yi ba
Ka koyi ƙarin daga ɓangaren da ya karye fiye da na dubun da ya yi nasara. Tun da farko, na kasance tare da batch na hydraulic manifold tubalan. Sun wuce duk binciken QA-girma, gwajin matsa lamba. Amma a cikin filin, ƴan sun sami ɗigogi a tashoshin jiragen ruwa masu zaren bayan hawan keken zafi. Mai laifi? Machining jerin. Mun haye manyan tashoshin jiragen ruwa masu zurfi bayan mun buga ramukan hawa. Aikin hakowa, har ma da madaidaicin CNC, ya gabatar da isassun ƙananan damuwa don karkatar da zaren ɗan juzu'i. A karkashin zafi da matsa lamba, wannan juzu'in ya isa. Gyaran ya kasance mai sauƙi: matsa ramukan azaman aiki na ƙarshe. Da alama a bayyane yake a baya, amma ya kashe mana abokin ciniki har sai mun gano shi.
Wani abin al'ada shine lalatawar da aka saka akan fitattun filaye. Kuna da shaft da hannun riga, wanda aka latsa. Dukansu daga kayan kirki ne. Amma a ƙarƙashin girgiza, motsi na ƙananan ƙananan yana faruwa. Ba tare da kammala saman da ya dace ba ko, a wasu lokuta, takamaiman shafi ko jiyya, wannan yana haifar da lalacewa da tashin hankali daga ƙarshe. Tsarin tsarin bai yi kira ga ƙayyadaddun ƙayyadaddun ƙarewar saman da ya wuce Ra ba; yana buƙatar takamaiman tsari kamar superfinishing ko murfin phosphate. Waɗannan su ne nuances waɗanda ke raba ɓangaren aiki daga mai ɗorewa.
Waɗannan abubuwan sun tilasta muku duba a Sassan Injin Karfe ba a matsayin abu na tsaye ba, amma azaman abu mai ƙarfi a cikin tsari. Kuna fara yin tambayoyi daban-daban yayin nazarin ƙira: Ina masu tattara damuwa? Yaya za a shigar da shi? Menene thermal gradients a cikin sabis? Menene sake zagayowar kulawa? Amsoshin kai tsaye suna sanar da matakan sarrafawa.
Haɗin kai: Daga Sashe zuwa Injin Aiki
Gwajin karshe yana kan bene na kanti, ba a cikin dakin bincike na QA ba. Sashin in-spec cikakke wanda ke da mafarki mai ban tsoro don shigarwa shine mummunan sashi. Wannan yana nufin tunani game da fasalulluka don taro: chamfers akan manyan gefuna, bayyananniyar alama don fuskantarwa, samun dama ga daidaitattun kayan aikin. Na ga abubuwan da aka ƙera kayan aikin da kyau tare da ramukan ƙulla waɗanda ba za a iya jujjuya su ba saboda mai zanen bai yi la'akari da ƙugiya ba. Mashin ɗin ya bi bugun, amma ɓangaren ba shi da lahani.
Wannan shine inda mai kaya tare da haɗakar damar iyawa - daga simintin gyare-gyare zuwa Sassan Injin Karfe machining - na iya ƙara ƙimar gaske. Suna iya ba da shawarar ƙira don sauye-sauyen masana'anta (DFM) da wuri. Misali, ba da shawarar wani ɗan kusurwar daftarin aiki akan bango don haɓaka ingancin simintin gyare-gyare da rage mashin ɗin, ko haɗa sassa biyu zuwa simintin simintin guda ɗaya don kawar da haɗin gwiwa mai yuwuwa. Yana buƙatar mashin ɗin ya fahimci ma'auni, kuma ma'aikata don fahimtar ƙalubalen injin. Portal kamar tsingtaocnc.com yana wakiltar wannan yuwuwar ƙofa — wurin tuntuɓar guda ɗaya don tsari wanda ke da matakai da yawa.
A ƙarshe, makasudin shine ganuwa. Mafi kyawun sassan injinan su ne waɗanda ba ku taɓa tunani ba. Suna aiki kawai. Cimma hakan yana buƙatar mutunta kowace hanyar haɗin gwiwa a cikin sarkar: ƙarfe na simintin gyare-gyare, ƙwarewar injina, hikimar zaɓin abu, da tawali'u da aka koya daga gazawar da ta gabata. Sana’a ce kamar kimiyya, wadda aka gina ta bisa ƙayyadaddun bayanai, ba gama gari ba. Lokacin da kuka sami abokin tarayya wanda ya sami wannan, wanda yayi magana game da kwararar hatsi da daidaita matsalolin tare da sauƙi iri ɗaya kamar kwanakin bayarwa, kun sami wanda ba kawai yana samar da sassa ba, amma yana ba da gudummawa ga amincin injin kanta.
