Lokacin da kuka ji 'daidaitaccen simintin ƙarfe', yawancin masu hankali suna tsalle kai tsaye zuwa simintin saka hannun jari. Wannan ba laifi ba ne, amma hoto ne da bai cika ba wanda galibi ke haifar da ɓangarori da ba a tantance ba da tsadar kayayyaki. Ainihin labarin shine game da zabar tsari mai kyau-harsashi, yumbu mold, zuba jari-don takamaiman ƙarfe da aikin ƙarshe. Kiran hukunci ne, ba akwati ba.
Matsalar Shell vs. Zuba Jari a Karfe
Mu tsoho zuwa harsashi mold da yawa mu carbon da low-alloy karfe aka gyara, musamman a lokacin da kundin ne mafi girma da surface gama bukatun ne a cikin Ra 125-250 μin kewayon. Yana da ƙarfi, in mun gwada da sauri, kuma mai tsada. Amma na ga ayyukan sun gaza saboda wani ya dage kan simintin saka hannun jari don sassauƙan sashi, yana bin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun shimfidar wuri wanda ya ƙara 300% zuwa farashi tare da fa'idar aikin sifili. Dabarar ita ce sanin lokacin da ake buƙatar ƙarin daidaito a zahiri.
Misali, muna da abokin ciniki da ke buƙatar jerin haɗin haɗin gwiwa na AISI 4140. Zanensu na farko ya ƙayyadad da simintin saka hannun jari. Bayan yin bitar hanyoyin lodi da hanyar haɗuwa, mun ba da shawarar canzawa zuwa simintin gyare-gyaren harsashi tare da izinin mashin ɗin da aka yi niyya akan filaye masu mahimmanci. Sashin ya yi daidai a gwaji, kuma farashin rukunin ya ragu da sama da 40%. Wannan shine bangaren aiki na 'madaidaici' - game da bugun da suka dace, ba mafi ƙanƙanta ba.
Inda muke gaba daya turawa cikin cikakke karfe madaidaicin simintin gyaran kafa ta hanyar saka hannun jari yana tare da hadaddun, geometries masu sirara masu sirara a maki kamar 17-4PH ko 316L bakin karfe, ko lokacin da simintin simintin gyaran fuska yana da mahimmanci ga kwararar ruwa ko juriyar gajiya. Matsakaicin ma'auni daga ƙirar kakin zuma mai inganci da harsashi mai tsayin yumbu ba zai yuwu ba don hakan. Amma duk da haka, 'madaidaicin' dangi ne; har yanzu kuna fama da raguwar ƙarfe da yanayin zafi, ba sihiri ba.
Material shine Factor Make-ko-Break
Wannan shi ne inda shekarun da suka gabata a cikin kantin sayar da kaya. Simintin gyare-gyaren carbon karfe duniya ɗaya ce; jefa babban nickel ko cobalt na tushen superalloys wani. 'Madaidaicin' a cikin tsari dole ne a yi la'akari da halayen kayan. Tare da wani abu kamar Hastelloy X, yawan zafin jiki na zuƙowa, harsashi preheat, da ƙimar sanyaya suna buƙatar ƙirƙira sosai don guje wa yage mai zafi da sarrafa tsarin hatsi. Ƙaramar sabawa a nan ba wai kawai tana shafar girma ba - tana iya haifar da kaddarorin inji.
Mun koyi wannan hanya mai wuya tun da wuri tare da tarin hatimin hatimin gami da nickel. Girman sun kasance cikakke, amma sassan sun gaza da wuri a hawan keken zafi. Batun ya samo asali ne zuwa wani tsari mai tsauri mai wuce gona da iri wanda ya haifar da ƙananan fashe-fashe, wanda sai ya yadu yayin ƙarfafawa. 'Madaidaicin' ya kasance mai zurfin fata ne kawai. Ya tilasta mana haɗa sakamakon ƙarfe a cikin ma'anar daidaitattun tsari.
Shi yasa a Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), Tare da bayanan mu na sarrafa komai daga ductile baƙin ƙarfe zuwa gaɗaɗɗen kayan aiki na musamman, zaɓin kayan aiki da tsarin tsari ba su da bambanci. Ba za ku iya ɗaukar ƙirar gating ɗin bakin karfe kawai ba kuma ku yi amfani da ita zuwa gariyar cobalt. Hanyoyin ciyarwa, tashi, da buƙatun sanyi sun bambanta gaba ɗaya don cimma daidaito, wanda shine ginshiƙi na kowane ainihin daidaito.
CNC Machining: Abokin Waje don Yin Cast
Duk wanda ya yi iƙirarin cewa za ku iya cimma sifar saƙon ga kowane muhimmin fasali ta hanyar simintin gyare-gyare shi kaɗai yana siyar da abin mamaki. Don gaskiya karfe madaidaicin simintin gyaran kafa aka gyara, CNC machining ne da muhimmanci karewa mataki. Yin simintin gyare-gyare yana samun 95% a can tare da ainihin tsari; injina yana ba da saman datum na ƙarshe, ƙarancin juriya, da zaren zare. Haɗin kai shine maɓalli.
Hanyar haɗin gwiwarmu-simintin gyare-gyare da machining a ƙarƙashin rufin daya-yana magance babban ciwo mai zafi: daidaitawar datum. Lokacin da muke injin ɓangaren ƙarfe na simintin gyare-gyare, galibi muna yin amfani da filayen simintin gyare-gyare waɗanda mu da kanmu muka ƙirƙira su cikin tsari. Wannan yana kawar da 'nufin yatsa' tsakanin kantin kayan aiki da kantin injin lokacin da tari mai haƙuri ya faru. Mun mallaki dukan tsari sarkar.
Misali mai amfani shine gidan famfo da muke samarwa a cikin bakin karfe mai duplex. Jikin simintin gyare-gyare yana ba da hadadden juzu'in ciki. Aikin mu na CNC sannan ya haifar da madaidaicin fuskokin flange, ramuka, da ramukan shaft, yana tabbatar da daidaito da daidaituwa cewa tsarin simintin gyare-gyare shi kaɗai ba zai taɓa yin lamuni ba. Ana gina madaidaicin ta wannan hanyar haɗin gwiwa.
Inda Isar da Kyau shine Madaidaicin Gaskiya
Korar juriya mai tsauri akan abubuwan da ba su da mahimmanci ita ce hanya mafi sauri don busa kasafin kuɗi. Injiniya na zahiri shine game da ware madaidaicin inda yake da mahimmanci. Ina ciyar da lokaci mai yawa tare da ƙungiyoyin ƙira na abokan ciniki, galibi suna ba da shawarar su sassauta juriyar simintin gyare-gyare daga, ka ce, ± 0.5mm zuwa ± 0.8mm akan farfajiyar da ba ta dace ba. Wannan ƙaramin canjin zai iya canza wani sashi daga buƙatar ƙirar yumbu mai tsada zuwa tsari mai dacewa da ƙirar harsashi.
Wannan ba game da yanke sasanninta ba ne; game da aikace-aikacen basira ne. Filayen da aka ƙera kamar simintin gyare-gyare na iya zama daidai karɓuwa don tsarin ciki, yana adana aikin injin. Madaidaicin shine a yin waccan ƙimar ƙimar daidai. Na ga ƙarin ayyuka sun yi nasara ta hanyar wayo da fayyace waɗannan buƙatun fiye da tantance mafi girman tsari akan kowane layi na zane.
Yana danganta baya ga samfurin cikakken sabis. Domin QSY yana sarrafa duka simintin gyare-gyare da injina, za mu iya ba da shawara marar son rai kan inda za a jefa siffa zuwa girman da kuma inda za a bar haja don yin inji. Manufarmu ita ce isar da sashe mai aiki, abin dogaro a madaidaicin farashi, ba don tayar da mafi tsadar hanyar yin simintin ba.
Duban Duk Sarkar Tsari
A ƙarshe, daidaito na gaskiya a cikin simintin ƙarfe shine cikakken iko na sarkar: kayan aikin samfuri, sarrafa slurry, aikin narkewa, zubarwa, maganin zafi, da dubawa na ƙarshe. Lalacewa a kowane yanki yana rushe duk ƙoƙarin. Shekarunmu fiye da 30 sun kasance game da gina ingantattun sarrafawa a kowane mataki, ba kawai siyan sabon tanderu ba.
Misali, kiyaye daidaitattun sigogin allurar kakin zuma yana da mahimmanci kamar sarrafa zafin karfe. Ƙaƙƙarfan ƙirar kakin zuma mai ɗanɗano kaɗan zai haifar da karkatacciyar simintin, komai daidai gwargwado na karfen ku. Waɗannan lamuran bayan fage ne ke raba daidaitattun furodusoshi daga shagunan aiki.
A karshe, karfe madaidaicin simintin gyaran kafa ba fasaha ɗaya ba ce da kuke oda daga kasida. Dabarun masana'antu ne. Zaɓin da aka sanar na tsarin gyare-gyaren da ya dace da wani abu da manufar ƙira, tare da mahimman ayyukan ƙaddamarwa don saduwa da ƙayyadaddun ƙayyadaddun bayanai. Madaidaicin ya ta'allaka ne da yawa a cikin tsarawa da yanke hukunci na tushen kwarewa kamar yadda yake a cikin kayan aiki. Wannan shine abin da ke juya zane akan allo zuwa wani abin dogaro, babban aiki a fagen.
