Lokacin da yawancin mutane suka ji 'simintin saka hannun jari na bakin karfe', suna hoton wani abu mara aibi, mai sheki kai tsaye daga cikin littafin. Gaskiyar ita ce, aikin yau da kullum na yin aiki, yana da yawa kuma ya fi ban sha'awa. Ba wai kawai game da narkewar karfe da zuba shi a cikin kyakyawan tsari ba; Tattaunawa ce ta dindindin tsakanin halayen abu, lissafi, da farashi, inda yanke shawara kauri na bango 0.5mm zai iya yanke ko karya aiki. Na ga zane-zane da yawa sun shigo waɗanda suka dace da mashin ɗin amma mafarki mai ban tsoro don yin wasan kwaikwayo, kuma a nan ne ainihin zance ya fara.
Wasan Shell: Duk Yana Cikin Tsarin
Harsashi shine komai. Abin da kuka fara koya ke nan. Muna magana ne game da yumbu harsashi wanda aka gina a kusa da tsarin kakin zuma. Yawan riguna, slurry danko, stucco yashi grit-kowane mataki mai canzawa ne. Yi kuskure, kuma za ku ga lahani kamar shigar ƙarfe, inda ƙarfe a zahiri ke shiga cikin harsashi, yana barin ƙasa maras kyau, gauraye wanda ke mafarkin tsaftacewa. Na tuna wani batch na 316L bawul jikin da muka gudu; labarai na farko sun fito tare da ƙaƙƙarfan rubutu a kan sassan ciki. Mai laifi? Babban slurry Layer ya kasance sirara sosai, kuma yashi mai kyau na stucco bai haifar da isashen shinge ba. Mun daidaita lokacin tsomawa kuma mun canza zuwa yashi zircon mai laushi don rigar madaidaicin farko. An warware matsalar, amma ya kashe mu mako guda.
Wannan shine inda gwaninta na kafuwar ya nuna. Kamfanin kamar Qingdao Qiangsenyuan Technology Co., Ltd.(QSY), tare da shekarun da suka gabata a cikin wasan, an buga wannan tsari a ciki. Wataƙila sun ga kowane yanayin gazawar harsashi da ake iya tunanin. Ba sihiri ba ne; bayanai ne na gazawa da gyare-gyare da aka gina sama da shekaru 30. Ba za ku iya gaggawar lokacin bushewa tsakanin riguna ba, komai jadawalin samarwa ya faɗi. Danshi ya zama makiyinka ko abokinka.
Kuma kakin zuma ba kawai kakin zuma ba ne. Siffofin allura don ƙirar farko-matsi, zafin jiki-yana shafar kwanciyar hankali. Tsarin kakin kakin da aka ɗan ɗanɗano yana fassara kai tsaye zuwa harsashin yumbu mai karkata, sannan zuwa ɓangaren simintin gyare-gyaren da ba a taƙaice ba. Muna ciyar da lokaci mai yawa don cancantar tsarin kakin zuma kamar yadda muke yin zub da ƙarfe. Yana da rashin kyan gani, tushe mai mahimmanci.
Material Ba Takaddun Takaddun Takaddun Shaida ba ne kawai
Ƙayyade CF8M ko 17-4 PH shine kawai farkon bindiga. Ayyukan narkewa shine inda ƙarfe na ƙarfe ke faruwa. Don simintin saka hannun jari, kuna ma'amala da ƙananan zafi, don haka sarrafawa yana da mahimmanci. Deoxidation yi tare da aluminum ko silicon? Yana canza ruwa da abun ciki na ƙarshe. Ga sassan da ke da matsi, wannan shine rayuwa ko mutuwa.
Ɗauki 17-4 PH bakin karfe. Shahararren hazo-hardening sa. Amfanin simintin saka hannun jari shine zaku iya cimma kyakkyawar gamawar simintin simintin gyare-gyare da kuma hadaddun siffofi. Amma yanayin H900 yanayin zafi magani? Idan maganin ba a yi shi daidai daidai ba, za ku sami kaddarorin injiniyoyi marasa daidaituwa. Na ga takardun shaida na gwaji na tensile daga simintin simintin gyare-gyare iri ɗaya suna nuna 50 ksi bazuwa cikin ƙarfin yawan amfanin ƙasa saboda ba a tsara nauyin tanderu ba. Bangaren ya yi kama da kamala, amma da ya gaza cikin sabis.
Wannan wani yanki ne inda haɗin gwiwa tare da ƙwararrun ƙwararru ke biyan kuɗi. Gine-gine wanda kuma ke yin a cikin gida Injin CNC, kamar QSY, yana da babbar fa'ida. Sun fahimci yadda simintin gyare-gyaren simintin gyare-gyare da yuwuwar ƙananan ƙananan porosity za su yi hulɗa tare da kayan aiki na yanke. Za su iya daidaita maganin zafi don haɓaka injina ba tare da sadaukar da kaddarorin ƙarshe ba, wani abin da gidan simintin keɓaɓɓu bazai la'akari da shi ba. Yana da cikakkiyar ra'ayi game da yanayin rayuwar sashin.
Geometry: 'Yanci da Tarko
Ee, simintin saka hannun jari yana ba ku 'yanci na geometric mai ban mamaki. Wuraren ciki, ƙananan sassa, hadaddun lankwasa-duk mai yiwuwa. Amma 'mai yiwuwa' baya nufin 'mai sauƙi' ko 'mai tsada'. Ka'idar babban yatsa shine kaurin bango iri ɗaya. Amma a cikin duniyar gaske, sassan suna buƙatar hakarkarin hakarkari, shugabanni, da mashin hawa. Kalubalen shine sarrafa bambance-bambancen yawan zafin jiki.
Babban gazawa shine raguwar porosity a wuri mai zafi. Ka yi tunanin gidan bawul mai kauri mai kauri yana canzawa zuwa jiki mai bakin ciki. Sashe na bakin ciki yana ƙarfafa farko, yana ware flange mai kauri, wanda sai ya ragu yayin da yake sanyi ba tare da tushen ƙarfe na ruwa don ciyar da shi ba. Sakamakon? Wuri mara ƙarfi, mai rauni daidai inda kuke buƙatar ƙarfi. Gyaran? Yin amfani da dabarar sanyi (cikakken ƙarfe a cikin harsashi don fitar da zafi) ko ƙoshin kakin zuma don ƙirƙirar ƙarin taro wanda zai iya kashewa daga baya. Yana da wuyar warwarewa.
Na yi aiki a kan injin famfo sau ɗaya, duk sirara, ruwan wukake masu kama da iska. Matsalar ba ruwan wukake ba; ita ce cibiyar tsakiya. Ya yi girma da yawa dangane da ruwan wukake. Mun ƙare ƙara wani cibiya yumbura zuwa ga cibiya don sanya ta cikin rami, rage yawan zafin jiki da ƙirƙirar yanayin sanyaya iri ɗaya. Canjin ƙira ya kasance ta hanyar tsarin simintin gyare-gyare, ba ta wata hanya ba. Hakan yayi nasara zuba jari.
Layin Ƙarshe Ba Mataki ɗaya ba ne kawai
Knock-off, yanke-kashe, niƙa, harbin iska mai ƙarfi, magani mai zafi, pickling ... matakan da aka yi bayan simintin su ne inda farashi da inganci na iya bambanta sosai. Kowa yana son sashin da aka shirya don shigarwa, amma wannan shirin yana da yadudduka.
Yankewa fasaha ce. Cire tsarin gating (tashoshin da ke ciyar da ƙarfe a cikin ɓangaren) ba tare da lalata sashin ba. Yin amfani da ƙafafun abrasive yana haifar da zafi, wanda zai iya rinjayar ƙarfe a cikin yankin da zafi ya shafa, musamman a kan matakan da aka taurara. Wuraren da suka fi so suna amfani da tsattsauran ra'ayi ko ma Injin CNC don cire ƙofofin daidai. Ragowar kofa yana buƙatar a nitse ƙasa. Wannan aikin hannu ne, ƙwararrun aiki. Ingancin wannan ƙarewa kai tsaye yana tasiri rayuwar gajiya idan ƙofar tana cikin yanki mai tsananin damuwa.
Pickling, acid wanka don cire sikelin da mayar da m chromium oxide Layer a kan bakin karfe saman, wani mataki ne mai mahimmanci. Lokaci, zazzabi, maida hankali acid-duk dole ne a sarrafa su. Over- pickle, kuma za ka samu wani ƙyãma, pitted surface. Ƙarƙashin pickle, kuma kuna barin sikelin da aka saka wanda zai iya fara lalata. Ayyukan daidaita sinadarai ne wanda ba ya samun isasshen hankali har sai wani abu ya fito ya canza launin ko tsatsa- kama daga wanka.
Shiyasa Abokin Dama Ba Mai Kawo Ba Kawai
Wannan ba kasuwancin kayayyaki bane. Ba kuna siyan kayan ɗamara ba. Kuna siyan iyawar tsari da zurfin warware matsala. Lokacin da kuka kalli tarihin kamfani, kamar ganin haka QSY yana aiki sama da shekaru 30 a duk faɗin simintin gyare-gyare da injina, yana gaya muku cewa sun gudanar da waɗannan kasuwancin na ƙarni na injiniyoyi. Wataƙila sun adana ayyuka ta hanyar ba da shawarar ɗan canjin daftarin kusurwa ko wani ma'aunin allo na daban wanda ya fi kyau tare da kaddarorin iri ɗaya.
Babban darajar da aka kafa mai kyau yana bayarwa shine sa baki na ƙirar farko. Kafin samfurin CAD ya ƙare, kafin a yanke kayan aiki. Shi ke nan za su iya cewa, Za mu iya jefa wancan, amma idan kun ƙyale mu mu ƙara radius wannan junction ɗin, muna ba da tabbacin babu raguwa, ko Yi la'akari da gami da tushen nickel anan maimakon; zai yi tsayayya da wannan mummunan yanayi mafi kyau kuma muna da ingantaccen girke-girke na harsashi don shi. Wannan haɗin gwiwar yana juya zane zuwa wani abu mai ƙima, abin dogaro.
A ƙarshe, nasara bakin karfe zuba jari simintin gyaran kafa game da rungumar ƙaƙƙarfan tsarin don buɗe yuwuwar sa. Tattaunawa ce tsakanin ƙirar ƙira da gaskiyar zahiri. Bangaren haske, mai sarƙaƙƙiya a kan teburin injiniyan shine sakamakon ƙanana ɗari, daidaitattun yanke shawara—da kuma wasu kurakurai da aka gyara—da aka yi a cikin katafaren ginin, tun kafin a taɓa zubo karfen. Abin da kuke zuba jari ke nan.
