Lokacin da kuka ji 'madaidaicin masana'anta na simintin gyare-gyare', yawancin masu hankali suna tsalle kai tsaye zuwa juriya da takaddun shaida. Wannan shine tushen, tikitin zuwa wasan. Ainihin labarin, wanda ke raba mai sayarwa mai aiki daga abokin tarayya na gaskiya, yana faruwa a cikin yankunan launin toka tsakanin waɗannan lambobi-a cikin fassarar bayanin zane, sarrafa rashin daidaituwa na ƙira, ko yanke shawarar kiran abokin ciniki a 2 AM saboda batch ɗin tanderun ya dubi launi kadan. Ba wai kawai don yin bangare ba ne; yana nufin fahimtar damuwa mara magana da zai ɗauka.
Wasan Shell: Fiye da Motsi kawai
Simintin gyare-gyaren Shell yana samun matsayi a matsayin tsaka-tsaki mai fa'ida mai tsada, kuma haka ne, amma hakan yana rage darajar sa. Yashin silica da resin mix — 'harsashi' - daidaitonsa shine komai. Yayi karyewa sosai, kuma kuna samun haɗaɗɗiya ko fashewar ƙira yayin zuba. Mai sassauƙa da yawa, kuma kwanciyar hankali mai girma yana fita daga taga. Mun koyi wannan da wuri tare da rukunin gidajen famfo don abokin ciniki. Sassan sun wuce gwaje-gwaje na farko amma sun gaza gwajin matsa lamba a rukunin abokin ciniki. Mai laifi? Rushewar yashi a cikin tsarin mai gudu ba mu ƙididdige shi ba, wanda ya canza yanayin kwararar kawai don haifar da tashin hankali da porosity a cikin sassa masu mahimmanci. Takaddun takaddar ta ce 'harsashi gyare-gyaren simintin gyaran kafa,' amma gazawar ta ce ba mu fahimci yanayin motsin namu na wannan takamaiman lissafi ba.
A nan ne shekaru 30 suka shiga, kamar a wani wuri kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY). Wannan wa'adin ba lamba ba ce kawai; ɗakin karatu ne na waɗannan ƙananan gazawar da gyare-gyare. Yana nufin wataƙila sun ga abin da ya faru da wannan cakuda harsashi a cikin babban zafi tare da busasshen yanayi, kuma sun daidaita yanayin zafin zafin jiki daidai. Ilimin kabilanci ne wanda bai kai ga littafin tallace-tallace ba.
Zuba jari, ko rasa-kakin zuma, shine sauran ginshiƙi. Ƙaƙwalwar yana kusa da siffa-net, amma tarkon yana ɗauka cewa duk hadaddun sun yi daidai. Sirara, tsawaita flange da dunƙule, cibiya mai ɗanɗano a bangare ɗaya zai yi sanyi a farashi daban-daban. Kuna iya samun cikakkiyar allurar kakin zuma da harsashi na yumbu mai ƙima, amma idan an kashe simintin gyare-gyare ko kuma an yi watsi da ku, kuna caca. Mun taba zubo wani kyakkyawan tsari na bakin karfe, sai kawai muka sami fashe-fashe a cikin ruwan wukake bayan-zafi. An kulle damuwa yayin sanyaya; Maganin ba shine mafi kyawun kakin zuma ba, amma an sake fasalin tsarin gating don sarrafa gradients na thermal, wani abu da ke buƙatar zama tare da injiniyan abokin ciniki tare da fitar da sasantawa.
Material Maze: Alloys Ba A Ƙirƙirar Daidai Ba
Bakin karfe. Sauti madaidaiciya. Amma 304L da 316L don aikace-aikacen ruwa? Wannan kira ne a bayyane. Abin farin ciki na gaske yana farawa da 'alloys na musamman' - tushen nickel da na tushen cobalt. Ana ƙayyade waɗannan sau da yawa don matsanancin yanayi: zafi mai zafi, lalata, lalacewa. Abin da ake kamawa shi ne, halayensu yayin yin wasan kwaikwayo ba komai bane illa ma'auni. Suna da manyan abubuwan narkewa, halaye daban-daban na shrinkage, kuma suna iya kula da abubuwan ganowa.
Na tuna wani aiki da ya haɗa da gawa na tushen cobalt don farantin lalacewa. Chemistry ya kasance don ƙididdigewa, injiniyoyin sun gwada lafiya akan takardun shaida. Amma a cikin filin, sashin ya yi rashin daidaito. Bayan da aka yi ta kai-da-kai da bincike na ƙarfe, ya zama batun rarraba carbide. Adadin sanyaya da muka yi amfani da shi, wanda shine daidaitaccen ƙarfe na kayan aiki, bai yi kyau ba don haɓaka yunifom, cibiyar sadarwar carbide mai kyau a cikin wannan musamman cobalt gami. Dole ne mu haɓaka ƙa'idar sanyaya da aka keɓance, kusan tsarin jiyya na zafi bayan simintin, don samun daidaitaccen tsarin tsarin. Zane na abokin ciniki kawai ya ce Co-Cr-W alloy, ASTM XXXX. Gaskiyar masana'anta shine gwajin haɓaka tsari na mako biyu.
Wannan shine inda ƙayyadaddun ƙayyadaddun kayan masana'anta ke da mahimmanci. Wani shago da a hankali ya ce eh, muna yin allunan nickel ya bambanta da wanda ya keɓe masu rufin tanderu da na'urori masu auna zafin jiki, don hana kamuwa da cuta. Yana cikin bayanan su Injin CNC tsari, kuma. Yin aikin simintin ƙarfe mai tauri abu ɗaya ne; yanke kan hazo-hardening nickel gami na buƙatar kayan aiki daban-daban geometries, ciyarwa, da kuma gudu don guje wa aiki-taurare farfajiya zuwa yanayin da ba za a iya iyawa ba.
CNC: Inda Simintin Ya Haɗu da Duniya
Wannan shine lokacin yin-ko-karya. Kuna iya zub da cikakkiyar simintin gyare-gyare, amma idan ba a haɗa injin ɗin a cikin shirin ba daga farkon, an nutse ku. Yana game da zaɓin datum, izinin hannun jari, da fahimtar 'halayen' simintin gyare-gyare.
Rikici na gama gari shine ɗaukar simintin gyare-gyare azaman katafaren toshe na hannun jari. Ba haka ba. Za a iya samun ɗan ƙaranci a ƙasan fata a cikin yanki ɗaya, ko kuma sauran yanayin damuwa daga sanyaya. Yanke mai nauyi, mai tsanani na farko a wurin da bai dace ba na iya karkatar da sashin ko yaga kayan. Mun yi babban jikin bawul sau ɗaya, simintin ƙarfe na ductile. Aiki na farko shine fuskantar flange mai hawa. Da zarar mun saki matsa lamba, bangaren sun sunkuyar da kai. Taimakon danniya daga cire wannan fatar saman ya ba da damar damuwan simintin simintin sake rarrabawa. Dole ne mu sake tsara ayyukan, ɗaukar nauyi, daidaita yanke don kawo sashin zuwa kwanciyar hankali.
Don cikakken sabis madaidaicin simintin sassa na masana'anta, injin ɗin ba shine matsalar ɗan kwangila ba; ci gaba ne na aikin simintin gyare-gyare. A QSY, alal misali, samun duka simintin gyare-gyare da Injin CNC karkashin rufin daya ba kawai don dabaru ba ne. Yana nufin ƙungiyar mashin ɗin sun san ƙaƙƙarfan raguwar simintin gyare-gyaren jarin nasu, ko kuma yuwuwar tabo mai wuya a cikin guntun harsashi. Za su iya barin ƙarin haja a cikin sanannen yanki mai matsala ba tare da an tambaye su ba. Wannan madauki na ra'ayi tsakanin ginin tushe da shagon CNC ganuwa ga abokin ciniki amma yana da mahimmanci ga sakamakon.
Chasm Sadarwa: Zane vs. Niyya
Wannan na iya zama babban tushen ciwon kai. Zane takarda ce ta doka da fasaha, amma fassarorin da ba daidai ba ne na manufar injiniya. Ƙirar ƙarewar saman ƙasa, bayanin kula game da radius duk gefuna, yankin miƙa mulki da ba a bayyana ba-waɗannan dalilai ne na kiwo don jin kunya.
Na ga zane-zane don a daidaitaccen simintin gyaran kafa sashi tare da juriya da ƙarfi fiye da abin da tsarin simintin gyare-gyare zai iya dogara da shi, akan abubuwan da ba su da mahimmanci. A makance ambaton hakan tarko ne. Ƙwararrun ƙwararru shine ɗaukar wayar. Muna ganin wannan +/- 0.1mm haƙuri akan wannan shugaba mai hawa. Shin wannan don daidaitawa ne, ko don dacewa da izini? Domin idan don sharewa ne, za mu iya ɗaukar juriya na tattalin arziƙi kamar simintin gyare-gyare kuma mu ba da garantin ya dace da sashin auren ku. Rabin lokacin, injiniyan ya yaba da tambayar; watakila sun kwafi dalla-dalla daga wani zane. Sauran rabin, yana buɗe mahimman buƙatun da ke buƙatar wata hanya ta daban, kamar ƙaura zuwa madaidaicin mashin ɗin.
Yana da game da cikakken bayani, ba kawai kisa ba. Gidan yanar gizon masana'anta, kamar tsingtaocnc.com, na iya nuna iyawa, amma ainihin gwajin yana cikin waɗannan maganganun pre-oda. Shin suna yin tambayoyi masu hankali? Shin suna ba da shawarar ƙira don tweaks na masana'anta (DFM) waɗanda ke sauƙaƙe tsarin ba tare da lalata aikin ba? Wannan shine alamar kwarewa.
Kasawa a matsayin Manhajar karatu
Babu wani a cikin wannan kasuwancin da ke da cikakken rikodin. Waɗanda kuke son yin aiki da su su ne waɗanda ke da ingantaccen tarihin gazawar. Kyakkyawan masana'anta ba ya ɓoye waɗannan; suna kafa darussa.
Mun sami bala'i na farko tare da jerin simintin saka hannun jari na aluminum-tagulla. Sun ci gaba da nuna tarwatsa micro-porosity. Mun duba komai: kakin zuma, harsashi, yawan zafin jiki, dewaxing. A ƙarshe, wani ma'aikacin tsoho ya yi tambaya game da yanayin zafi a cikin wurin da ake ajiya don ƙirar kakin zuma. Ya yi tsayi. Tsarin ya sami isasshen danshi wanda a lokacin lalata (steam autoclave), ruwan ya juya zuwa tururi a cikin harsashi yumbu da karfi sosai, dan kadan yana lalata karfinsa. Gyaran shine ma'ajin tsarin sarrafa yanayi. Karamin, madaidaicin madaidaici.
Wannan shine nau'in granular, ilimin da aka samu mai wahala wanda ke bayyana babban aiki. Shi ya sa lokacin kimantawa a madaidaicin simintin sassa na masana'anta, Ya kamata ku tambaya ba kawai za ku iya yin wannan ba? amma menene manyan haɗari guda uku da kuke gani tare da wannan sashin, kuma ta yaya zaku rage su? Amsar su za ta gaya muku fiye da kowane takaddun shaida akan bango. Yana cikin shakka kafin su ba da amsa, yadda suke nuna wani takamaiman siffa akan zanen ku — wannan shine sautin gwaninta na tunani da ƙarfi.
