Lokacin da yawancin mutane suka ji 'bakin karfen da aka rasa da simintin kakin zuma', suna ɗaukar wani abu mara aibi, mai sheki kai tsaye daga cikin ƙasidar. Wannan shine kuskuren farko. Gaskiyar ita ce mafi muni, mafi ƙasƙanci, kuma ta ƙunshi yawancin warware matsalolin kamar yadda take aiwatarwa. Ba wai kawai yin siffa ba ne; game da sarrafa masu canji ɗari ne don samun ɓangaren aiki wanda ya gamu da takamaiman takaddar da ke cike da lambobi-ƙarfin ƙarfi, juriyar lalata a cikin takamaiman yanayi, ƙimar matsa lamba. Bangaren 'bakin-bakin' kusan ja ne; darajar daraja fiye da iyali. 304, 316, 17-4PH-kowannensu yana nuna hali daban lokacin da kuka zuba shi a 1500C a cikin harsashi yumbu. Daga nan ne ainihin aikin ya fara.
Wasan Shell: Duk Yana Cikin Tsarin
Bari muyi magana game da harsashi. Wannan ba kawai filasta ba ne. Makamin yumbu ne mai yawan Layer Layer wanda aka gina ta hanyar tsoma ƙirar kakin zuma zuwa slurries da stuccos. Yawan riguna, lokacin bushewa tsakanin kowannensu, zafi na yanayi-samu kuskure ɗaya kuma harsashi ko dai ya fashe yayin lalatawa (wani abin ban mamaki, rashin lalacewa) ko kuma bai isa ya ƙunshi narkakkar ƙarfe ba, wanda ke haifar da abin da muke kira 'guduwa'. Na ga cikakkiyar itacen kakin zuma na famfo ya lalace saboda gashi na uku ya bushe da sauri a cikin bushewar mako mara kyau. Harsashi yayi kyau, amma yana da ƙananan fasa. A lokacin da ake zubawa, sai ya zama kamar tuwo. Jimillar hasara.
Wannan shine inda kwarewa daga shago kamar Qingdao Qiangsenyuan Technology Co., Ltd.(QSY) nuna. Tare da fiye da shekaru 30 a cikin zuba jari, sun gasa ilimin wannan tsari a cikin abubuwan yau da kullun. Ba a cikin littafin jagora; yana cikin tunanin ma'aikacin yadda slurry ke digowa, kamannin bushewar harsashi. Gidan yanar gizon su, tsingtaocnc.com, ya lissafta simintin gyare-gyaren harsashi azaman ƙwararrun ƙwararru saboda dalili. Mataki ne na tushe. Kuna iya samun gwangwani mafi kyau, amma idan harsashin ku ya gaza, kawai kuna zubar da ƙarfe mai tsada a ƙasa.
Tsarin dewaxing kanta yana da mahimmanci. Mutane da yawa suna ɗauka cewa ka narke kakin zuma ne kawai. Yawancin shaguna masu girma suna amfani da autoclaves ko walƙiya mai walƙiya tare da tururi mai ƙarfi. Girgizawar thermal a kan harsashi yana da yawa. Idan tsarin harsashi bai yi daidai da wannan matakin ba, zai karye. Mun koyi wannan tun da wuri tare da rikitacciyar katanga mai katanga. Canja zuwa wani abu na daban don rigar farko, an warware matsalar. Waɗannan ƙananan gyare-gyaren matakin kayan aiki ne ke raba ɓangaren da za a iya amfani da shi daga guntu.
Damuwa mai daraja: Zaɓin Bakin da Ya dace
Ƙayyadaddun bakin karfe yana kama da shiga cikin kantin kayan aiki da neman kayan aiki. Ba shi da ma'ana ba tare da mahallin ba. Don kayan aikin ruwa, 316 shine tsoho don juriya na haɓakar molybdenum. Amma ina da abokan ciniki sun nace akan 316 don aikace-aikacen ciki, bushewa inda 304 zai kasance daidai kuma mai rahusa. Dole ne ku ja da baya, ilmantarwa.
Sannan akwai maki-hardening hazo kamar 17-4PH. Fantastic don babban ƙarfi, hadaddun bakin karfe rasa kakin zuma simintin sassa kamar maƙallan sararin samaniya. Amma zagayowar maganin zafi bayan simintin simintin gyare-gyare ba shi da gafara. 'Yan digiri kaɗan a kashe zafin zafin jiki, kuma ba za ku sami taurin RC da ake so ba. Sashin yayi kama da juna amma zai gaza a gwaji. Ambaton QSY na yin aiki tare da gami na musamman kamar na tushen nickel ya gaya mani sun sami wannan. Waɗancan kayan sun ma fi ƙarfin hali. Tsarin simintin gyare-gyare shine kawai rabin farkon tafiya; thermal protocol shine na biyu.
Na tuna da tarin gawawwakin bawul a cikin CF8M (simintin da ya yi daidai da 316). Sun wuce duk gwaje-gwaje masu girma amma sun kasa yin gwajin lalata mai mahimmanci ga abokin ciniki a cikin masana'antar sinadarai. Batun? Delta ferrite abun ciki. Adadin sanyaya a cikin harsashi ya ɗan kashe, yana canza ƙananan tsarin. Dole ne mu daidaita yawan zafin jiki kuma mu gyara kaddarorin kariya na harsashi-ƙara ƙarin Layer fiber yumbu a kusa da sassa masu nauyi-don rage sanyaya. An gyara matsalar, amma an ɗauki bincike na ƙarfe don gano tushen dalilin. Bangaren yayi kyau ga ido tsirara.
The Dimensional Tightrope: As-Cast vs. Machined
Ɗaya daga cikin manyan wuraren sayar da kakin zuma da aka rasa shine ƙirƙirar siffa ta kusa-net. Mabuɗin yana 'kusa.' Duk wanda yayi alƙawarin ±0.1mm haƙuri akan duk saman ɓangaren simintin simintin gyare-gyare yana shimfiɗa gaskiya. Dole ne ku sarrafa tsammanin. Ana iya tsinkayar raguwa amma ba daidai ba ne. Siffa mai tsayi, siriri za ta ragu daban fiye da babban toshe akan simintin gyare-gyare iri ɗaya. Tsarin ya mutu don wannan, amma koyaushe akwai ɗan bambanci.
Wannan shine dalilin da ya sa samfurin cikakken sabis na kamfanonin da ke haɗa simintin gyare-gyare da Injin CNC yana da ma'ana sosai. A QSY, sun jera duka biyu azaman mahimman sabis. Kun jefa ɓangaren don samun hadadden lissafi 90% a wurin, tare da karimci mai karimci akan filaye masu mahimmanci, zaren, da fuskokin rufewa. Sa'an nan, kun kafa shi a kan injin CNC ko lathe kuma buga madaidaicin girman. Ƙoƙarin cimma waɗancan haƙƙoƙin kai tsaye daga ƙera aikin wawa ne kuma mai tsadar gaske dangane da kayan aiki da asara.
Mun taɓa ƙoƙarin jefa kaya tare da aiki, haƙoran simintin simintin gyare-gyare don adana farashin injina. Samfurin ya yi kyau, amma a cikin samarwa, bambancin ra'ayi a cikin bayanan haƙori a cikin sassa da dama bai dace ba. Darasi? Sanin iyakokin tsari. Zuba kayan aikin babu komai, injin haƙora. Haɗin kai tsakanin hanyoyin biyu-zuba jari don rikitarwa, CNC don daidaito - shine inda aka ƙirƙiri ƙimar gaske don injiniyan.
Direbobin Kudin Boye: Gating, Haɓaka, da Ƙarshe
Ƙirar ɓangaren kakin zuma da aka ɓace ba kawai game da nauyi ba ne. Yankin da aka gama 1kg zai iya farawa azaman itacen kakin zuma mai nauyin kilo 3. Tsarin gating da mai gudu, wanda ke haɗa karfe, yana da girma kuma ana yanke shi kuma ana sake yin fa'ida. Yawan amfanin ku (nauyin ɓangaren da aka gama vs. nauyin ƙarfe da aka zuba) babban ƙimar farashi ne. Ingantacciyar ƙira ta gating, galibi ana kwaikwaya da software a yanzu, yana da mahimmanci. Ƙofar da ba ta da kyau tana iya haifar da tashin hankali, kama iska, da raguwar porosity daidai a cikin ɓangaren ɓangaren ku.
Sannan ana gamawa. Bayan girgizawa da yankewa, kuna da wani yanki da aka rufe da ragowar harsashi na yumbu kuma tare da ƙofofin ƙofofi. Yana buƙatar harbin iska mai ƙarfi, niƙa, yuwuwar tsabtace sinadarai (ɗaukawa da wuce gona da iri don bakin karfe don maido da Layer oxide mai jure lalata). Wannan yana da ƙarfin aiki kuma galibi ana yin watsi da shi a cikin shirin farko. Sashe mai yawa na ciki shine mafarki mai ban tsoro don tsaftacewa. Na shafe sa'o'i tare da zaɓen hakori da jiragen ruwa masu matsananciyar matsa lamba suna ƙoƙarin cire yumbu mai gauraya daga tashar sanyaya. Yanzu, mun tsara don tsabta daga farkon.
Wannan mataki na ƙarshe shine inda yawancin sana'a suka rage. Mutum-mutumin niƙa na atomatik suna da kyau don daidaitattun siffofi, amma hadaddun, gidaje bawul mai siffar halitta? Wannan sau da yawa yana buƙatar ƙwararren injin niƙa tare da tsayayye hannu don haɗa saman ba tare da gouging ƙarfen tushe ba. Yana da fasaha.
Lokacin da Ya Yi Dama: Biyan Kuɗi
Duk da ciwon kai, lokacin da kuka riƙe cikakke, hadaddun bakin karfe rasa kakin zuma simintin gyaran kafa wani bangare — ka ce, injin injin turbine guda ɗaya mai lankwasa ruwan wukake wanda ba zai yuwu a iya yin na'ura daga ƙarfi ba - yana da daraja. Mutuncin wani yanki ba tare da walƙiya ko haɗin gwiwa ba, ikon yin amfani da kayan aiki masu ƙarfi a cikin sifofin ƙwanƙwasa, kyakkyawan ƙarshen farfajiya wanda sau da yawa yana buƙatar ƙaramin shiri don sutura.
Tsari ne da ke buƙatar girmamawa ga dukan sarkar, tun daga allurar kakin zuma zuwa dubawa ta ƙarshe. Ba za ku iya zama ƙwararren ƙwararren ƙarfe kawai ba ko ƙwararren mutum ko mashin injiniya. Kuna buƙatar fahimtar yadda kowane mataki yayi magana da na gaba. Wannan shine tunanin da nake samu daga ayyuka kamar wanda aka kwatanta a tsingtaocnc.com. Tsawon lokacin da suka yi yana nuna cewa sun zagaya waɗannan ƙalubalen da ke da alaƙa tsakanin kayan daga simintin ƙarfe zuwa gami da nickel. Ba a jera ainihin gwaninta azaman sabis ba; Kiraye-kirayen yanke hukunci ne da aka tara da aka yi akan dubban zube, ana yanke shawarar yadda za a daidaita tsarin don na gaba.
Don haka lokaci na gaba da kuka kimanta simintin gyare-gyare, duba bayan haske. Ka yi tunani game da harsashi da ke riƙe da shi, hanyar zafi da ya bi don ƙarfafawa, dabarun da aka bari don injina, da aikin hannu wanda ya tsaftace shi. Gaskiyar labarin bangaren kenan. Sauran tallace-tallace ne kawai.
