Lokacin da akasarin mutane suka ji 'bangaren saka hannun jari na bakin karfe,' suna kwatanta wani abu mai kyalli, mara lahani. Hoton tallan kenan. Gaskiyar da ke kan ginin tushe shine ci gaba da shawarwari tsakanin ƙarfe, lissafi, da farashi. Haqiqa gwaninta ba wai kawai a sanya shi yayi kyau ba - yana cikin tsinkayar yadda ƙarfe zai gudana a cikin wannan harsashi yumbu, inda raguwar zai iya ɓoyewa, kuma wane nau'in 316L zai yi aiki kamar yadda aka ƙayyade bayan magani mai zafi. Na ga zane-zane da yawa inda mai zanen ya ayyana simintin saka hannun jari mai tsananin juriya yana ɗauka kamar machining ne, ba tare da sanin tsarin yana da nasa dokokin wasan ba.
Wasan Shell: Fiye da Motsi kawai
Bari muyi magana game da harsashi. Ita ce zuciyar tsarin, kuma inda shaguna da yawa suka yanke. Harsashi mai dacewa ba kawai tsoma slurry da yashi ba. Yana da game da ƙidaya Layer, ci gaban grit stucco, da wuraren bushewa mai sarrafawa. Na tuna wani tsari na wasu kayan aikin ruwa inda muka sami zafi kwatsam. Harsashi sun bushe don taɓawa, amma a lokacin dewaxing, mun sami ƙananan fasa. Sakamakon? Ƙwararren ƙwanƙwasa a kan simintin gyare-gyare wanda kawai ya bayyana yayin gwajin matsa lamba. Wannan gazawa ce da ba za ku iya gani koyaushe da ido ba. Ya koya mini mutunta log ɗin kula da yanayi kamar rahoton ƙarfe.
Wannan shine inda gwaninta da kayan kamar bakin karfe zuba jari simintin sassa don masu yin famfo na sinadarai sun zama mahimmanci. Harsashi yana buƙatar jure wa yanayin zafi na narkakkar 17-4PH, wanda aka zuba a wani zafin jiki daban-daban kuma yana nuna bambanci fiye da, ka ce, 304. Tsarin girke-girke na harsashi na yau da kullun zai haifar da haɗawa ko fashe. Za ku ji daɗin hakan - sautin da harsashi ke yi idan an taɓa shi a matakai daban-daban yana gaya muku fiye da wasu littattafan karatu.
Na yi aiki tare da masu ba da kaya waɗanda ke fariya game da sarrafa kansa a ginin harsashi. Yana da kyau don daidaito akan gudu mai girma. Amma ga hadaddun sassa masu ƙarancin girma-kamar jikin bawul na al'ada tare da tashoshi na ciki na ciki-har yanzu babu wanda zai maye gurbin ƙwararren ƙwararren ƙwararren masani da hannu yana ƙarfafa wurare masu rauni tare da ƙarin slurry dips. Wannan nuance ne da ba za ku samu a cikin ƙasida ba.
Material Ba Takaddun Takaddun Takaddun Shaida ba ne kawai
Ƙayyade CF8M ko 316 bakin ciki akan zane shine farkon farawa. Aikin narkewa shine komai. Don jure lalata bakin karfe zuba jari simintin sassa, musamman don aikace-aikacen teku ko na magunguna, kuna buƙatar kulawa mai ƙarfi akan abubuwa kamar carbon, sulfur, da abun ciki na ferrite. Kadan karkace a cikin ma'auni na iya juyar da simintin simintin ƙwaƙƙwara zuwa mafarki mai lalata bayan walda ko fallasa ga chlorides.
Muna da aikin sau ɗaya don gidaje na firikwensin a cikin shukar ƙera ruwa. Ƙimar ta kasance daidaitattun 316. Mun kawo abin da ya dace da ma'aunin ASTM. Sun gaza a filin cikin watanni shida saboda lalatawar da aka yi. Darasi? Matsayin ma'auni bai isa ba don takamaiman, ƙaƙƙarfan ƙananan mahalli. Dole ne mu canza zuwa babban darajar duplex don maye gurbin. Yanzu, lokacin da na ga zane, koyaushe ina tambaya game da ainihin yanayin aiki, ba kawai kiran kayan aiki ba.
Wannan ƙaƙƙarfan ginshiƙai ne waɗanda ke ɗaukar alloys iri-iri. Shagon da kawai ke yin daidaitaccen bakin karfe na iya rasa wannan. Wuri kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), tare da jera gwaninta a musamman gami kamar na tushen nickel, a zahiri za su sami ƙarin narkewa da ƙa'idodin sarrafa inganci. Yin aiki tare da waɗancan alloli masu banƙyama suna tilasta horo wanda ke amfana har ma da daidaitattun maki.
Yaudarawar As-Cast Gama
Akwai kuskuren gama gari cewa simintin saka hannun jari yana ba da kammala shirye-shiryen amfani. Fuskar simintin simintin gyare-gyare na iya zama mai kyau, sau da yawa a kusa da 125 Ra, amma ba kasafai ba ne saman ƙarshe. Duk wani wuri mai rufewa, fuskar mating, ko diamita mai mahimmanci zai buƙaci injina. Ƙimar gaske tana cikin siffar kusa-net. Kuna rage lokacin injina da sharar kayan aiki.
Kalubalen shine samar da isassun kayan inji a wuraren da suka dace ba tare da sanya simintin ya yi nauyi fiye da kima ba ko haifar da al'amurra masu zafi yayin ƙarfafawa. Na yi amfani da simintin gyare-gyare a inda hannun jari bai yi daidai ba har kayan aikin ya yi magana a farkon yanke, yana bayyana wani wuri mai wuya a ƙasa. Wannan yawanci yana nuna ƙimar sanyaya mara daidaituwa a cikin ɓangaren ƙirar. Batun simintin gyare-gyare ne wanda ke nunawa a matakin injina, yana ɓata layin tsakanin hanyoyin biyu.
Wannan shine dalilin da ya sa hadewar simintin gyaran kafa da injina na CNC a ƙarƙashin rufin ɗaya, kamar yadda ayyukan QSY ke ba da shawara, babbar fa'ida ce. Ƙungiyar mashin ɗin za ta iya ciyar da kai tsaye zuwa ga ginin: Kullum muna buga wani wuri mai wahala a nan, ko kuma wannan flange yana murƙushewa yayin clamping. Gidan ginin yana iya daidaita gating ko tsarin sanyaya. Yana juya sarkar samarwa zuwa madauki na amsawa.
Lokacin Da Complexity Cizo Baya
Ana sayar da simintin zuba jari akan iyawarsa na samar da sifofi masu sarkakiya. Gaskiya ne, amma ba duk rikitarwa ba ne daidai. Zurfafa, kunkuntar wuraren shakatawa suna da matsala. Suna iya kama slurry, yana haifar da haɗa harsashi, ko hana kwararar ƙarfe daidai. Na tuna wani sashi wanda yayi kyau akan ƙirar CAD-tsarin lattice a cikin gidaje. Kyawawa. Amma wannan mafarkin mai harsashi ne. Tushen yumbun da ake buƙata ya kasance mai rauni sosai. Yawan amfanin ƙasa ya yi muni.
Wani lokaci, mafi wayo shine don sauƙaƙe simintin gyare-gyare da injin hadaddun fasalin ciki. Ko raba sashin zuwa simintin gyare-gyare biyu don waldawa. Wannan yana buƙatar baya-da-fita tare da mai ƙira, wanda yawancin masu siye ba sa tsammani. Suna son fayil ɗin CAD da aka nakalto kamar yadda yake. Kyakkyawan tushe zai fara wannan tattaunawar, koda kuwa yana iya yin haɗarin rasa abin magana. Yana ceton kowa daga gazawar da ke ƙasa.
Wannan tattaunawar ƙira-don-ƙera (DFM) tana da mahimmanci. A nan ne za ku ga idan mai sayarwa kawai mai karɓar oda ne ko abokin tarayya na gaskiya. Kamfanin da ke da shekaru 30 a cikin simintin gyare-gyare da injina, kamar QSY da aka ambata, wataƙila ya gina wannan ƙarfin nasiha. Sun ga abin da ke aiki da abin da ya karye, na kuɗi da ƙarfe.
Farashin Gaskiya: Haɓaka shine Sarki
Farashin naúrar kowace simintin gyare-gyaren ma'aunin banza ne. Haqiqa farashin yana cikin jimlar farashin aikin, wanda ake sarrafa shi ta hanyar yawan amfanin ƙasa. Farashin naúrar mai arha tare da yawan amfanin ƙasa 50% saboda rashin ƙarfi ko murdiya ramin kuɗi ne. Kuna biyan kuɗin tarkace, jinkirin taro, da jigilar iska na gaggawa don maye gurbin.
Gina ingantaccen ƙimar amfanin ƙasa don bakin karfe zuba jari simintin sassa ya zo daga sarrafa ɗari ƙananan masu canji: zafin allurar kakin zuma, lokacin yin burodin harsashi, saurin zuƙowa, ƙirar gating. Ba abin burgewa ba ne. Littattafai ne, tsarin sarrafa tsari, kuma wani lokacin, fahimta. Za ka fara gane warin harsashi da aka gasa daidai da wanda har yanzu yana riƙe da danshi.
Babban yawan amfanin ƙasa kuma game da sadarwa ta gaskiya. Ƙwararrun ƙwararrun ƙwararrun za su gaya muku idan fasalin yana da babban haɗari don tsarin su. Ina so in ji za mu iya yin hakan, amma muna ba da shawarar ƙara radius 0.5mm don inganta cika a matakin ƙididdiga fiye da jin muna da ƙimar 30% akan wannan fasalin bayan an yi kayan aiki. Wannan gaskiyar, wanda aka haife shi daga shekarun da suka gabata na aiki, shine abin da ke raba abokin aikin fasaha da mai siyar da kayayyaki. Yana juya tsari daga akwatin baƙar fata zuwa ƙoƙarin aikin injiniya na haɗin gwiwa, wanda shine inda ainihin ƙimar zuba jari ya ta'allaka.
