Menene fa'idodin cibiyar simintin gyaran gado na ma'adinai?
Simintin gyare-gyaren ma'adinai (granite wanda mutum ya yi aka resin kankare) an karɓi ko'ina a cikin masana'antar kayan aikin injin sama da shekaru 30 azaman kayan tsari.
Bisa kididdigar da aka yi, a Turai, daya daga cikin kowane kayan aikin injin 10 yana amfani da simintin ma'adinai a matsayin gado.Koyaya, yin amfani da ƙwarewar da ba ta dace ba, cikakkun bayanai ko kuskure na iya haifar da zato da ƙiyayya ga Simintin Ma'adinai.Sabili da haka, lokacin yin sabbin kayan aiki, ya zama dole don nazarin fa'idodi da rashin amfani da simintin ma'adinai da kwatanta su da sauran kayan.
Tushen injinan gini gabaɗaya an raba shi zuwa simintin ƙarfe, simintin ma'adinai (polymer da/ko resin kankare mai amsawa), tsarin ƙarfe/welded (grouting/non-grouting) da dutsen halitta (kamar granite).Kowane abu yana da halaye na kansa, kuma babu cikakkiyar kayan gini.Sai kawai ta hanyar yin la'akari da fa'idodi da rashin amfani na kayan bisa ga ƙayyadaddun ƙayyadaddun buƙatun tsarin, za'a iya zaɓar kayan aikin da ya dace.
Muhimman ayyuka guda biyu na kayan gini - garantin lissafin lissafi, matsayi da ƙarfin kuzari na abubuwan da aka gyara, bi da bi sun gabatar da buƙatun aikin (tsayawa, aiki mai ƙarfi da yanayin zafi), buƙatun aiki / tsari (daidaituwa, nauyi, kauri bango, sauƙi na hanyoyin jagora) don shigarwa na kayan aiki, tsarin rarrabawar watsa labaru, kayan aiki) da bukatun farashi (farashin, yawa, samuwa, halayen tsarin).
I. Abubuwan da ake buƙata don kayan aiki
1. Halayen tsaye
Ma'auni don auna madaidaicin kaddarorin tushe yawanci shine taurin kayan - mafi ƙarancin naƙasa ƙarƙashin kaya, maimakon babban ƙarfi.Don nakasar roba ta tsaye, ana iya ɗaukar simintin ma'adinai azaman kayan kamanni na isotropic masu biyayya ga dokar Hooke.
Matsakaicin yawa da na roba na simintin ma'adinai bi da bi 1/3 na na baƙin ƙarfe.Tun da simintin gyare-gyare na ma'adinai da simintin ƙarfe suna da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun nauyi, a ƙarƙashin nauyi ɗaya, ƙaƙƙarfan simintin ƙarfe da simintin ma'adinai iri ɗaya ne ba tare da la'akari da tasirin siffa ba.A yawancin lokuta, kaurin bangon ƙira na simintin ma'adinai yawanci sau 3 ne na simintin ƙarfe, kuma wannan ƙirar ba zai haifar da wata matsala ba dangane da kaddarorin inji na samfur ko simintin.Simintin ma'adinai sun dace da yin aiki a wurare masu tsayi waɗanda ke ɗaukar matsa lamba (misali gadaje, goyan baya, ginshiƙai) kuma basu dace da sirara mai bango da/ko ƙananan firam (misali teburi, pallets, masu canza kayan aiki, karusai, goyan bayan sandal).Nauyin sassan tsarin yawanci yana iyakance ta kayan aikin masana'antun simintin ma'adinai, kuma samfuran simintin ma'adinai sama da tan 15 gabaɗaya ba su da yawa.
2. Dynamic halaye
Mafi girman saurin juyi da/ko haɓaka shaft ɗin, mafi mahimmancin ƙarfin aikin injin shine.Matsayi mai sauri, saurin maye gurbin kayan aiki, da abinci mai sauri yana ci gaba da ƙarfafa juzu'in injina da kuzari mai ƙarfi na sassan tsarin injin.Bugu da ƙari ga ƙirar ƙira na ɓangaren, karkatarwa, rarraba taro, da tsauri mai ƙarfi na ɓangaren suna da tasiri sosai ta hanyar damping Properties na kayan.
Yin amfani da simintin gyare-gyaren ma'adinai yana ba da kyakkyawan bayani ga waɗannan matsalolin.Domin yana ɗaukar girgizawa sau 10 fiye da simintin ƙarfe na gargajiya, yana iya rage girman girma da mitar yanayi sosai.
A cikin ayyukan injina irin su mashin ɗin, yana iya kawo daidaito mafi girma, ingantaccen ingancin saman, da tsawon rayuwar kayan aiki.A lokaci guda, dangane da tasirin amo, ma'adinan ma'adinai kuma sun yi kyau ta hanyar kwatantawa da tabbatar da tushe, simintin watsawa da kayan haɗi na kayan daban-daban don manyan injuna da centrifuges.Dangane da tasirin tasirin tasirin sauti, simintin ma'adinai na iya samun raguwar gida na 20% a cikin matakin matsa lamba.
3. Thermal Properties
Masana sun kiyasta cewa kusan kashi 80% na karkatattun kayan aikin injin suna faruwa ne sakamakon tasirin zafi.Katsewar tsari kamar tushen zafi na ciki ko na waje, preheating, canza kayan aiki, da sauransu duk sune abubuwan da ke haifar da nakasar zafi.Don samun damar zaɓar mafi kyawun abu, ya zama dole don bayyana abubuwan da ake buƙata.Ƙaƙƙarfan ƙayyadaddun ƙayyadaddun zafi da ƙarancin zafin jiki yana ba da damar simintin ma'adinai don samun inertia mai kyau na thermal zuwa tasirin zafin jiki na wucin gadi (kamar canza kayan aiki) da canjin yanayi na yanayi.Idan ana buƙatar saurin dumama kamar gadon ƙarfe ko kuma an hana zafin gado, na'urorin dumama ko sanyaya za a iya jefawa kai tsaye cikin simintin ma'adinai don sarrafa zafin jiki.Yin amfani da irin wannan na'urar ramuwa na zafin jiki zai iya rage lalacewa ta hanyar tasirin zafin jiki, wanda ke taimakawa wajen inganta daidaito a farashi mai mahimmanci.
II.Bukatun aiki da tsari
Mutunci siffa ce mai rarrabewa wacce ke bambanta simintin ma'adinai daga sauran kayan.Matsakaicin zafin jiki na simintin simintin ma'adinai shine 45 ° C, kuma tare da madaidaicin ƙira da kayan aiki, sassa da simintin ma'adinai ana iya jefa su tare.
Hakanan za'a iya amfani da ingantattun dabarun sake yin simintin simintin gyare-gyare akan wuraren simintin ma'adinai, wanda ke haifar da madaidaicin hawa da saman dogo waɗanda basa buƙatar injina.Kamar sauran kayan tushe, simintin ma'adinai suna ƙarƙashin ƙayyadaddun ƙa'idodin ƙirar tsari.Kaurin bango, kayan haɗi masu ɗaukar kaya, saka haƙarƙari, ɗorawa da hanyoyin saukewa duk sun bambanta da sauran kayan zuwa wani ɗan lokaci, kuma suna buƙatar yin la'akari da gaba yayin ƙira.
III.Bukatun farashi
Duk da yake yana da mahimmanci a yi la'akari da ra'ayi na fasaha, ƙimar farashi yana ƙara nuna mahimmancinsa.Yin amfani da simintin gyare-gyaren ma'adinai yana ba injiniyoyi damar adana gagarumin samarwa da farashin aiki.Baya ga tanadi akan farashin injina, simintin gyare-gyare, taro na ƙarshe, da haɓaka farashin kayan aiki (masu ajiya da sufuri) duk an rage su daidai.Yin la'akari da babban matakin aikin simintin ma'adinai, ya kamata a duba shi azaman aikin gabaɗaya.A zahiri, ya fi dacewa don yin kwatancen farashi lokacin da aka shigar da tushe ko an riga an shigar da shi.In mun gwada da high farko kudin ne kudin ma'adinai simintin gyaran kafa da kayan aiki, amma wannan kudin za a iya diluted a cikin dogon lokaci amfani (500-1000 guda / karfe mold), da shekara-shekara amfani ne game da 10-15 guda.
IV.Iyakar amfani
A matsayin kayan gini, simintin gyare-gyare na ma'adinai koyaushe suna maye gurbin kayan tsarin gargajiya, kuma mabuɗin haɓakarsa cikin sauri ya ta'allaka ne a cikin simintin ma'adinai, gyare-gyare, da tsayayyen tsarin haɗin kai.A halin yanzu, an yi amfani da simintin gyare-gyare na ma'adinai a yawancin kayan aikin injin kamar injin niƙa da injina mai sauri.Masu kera injin niƙa sun kasance majagaba a ɓangaren kayan aikin injin ta amfani da simintin ma'adinai don gadaje na inji.Alal misali, manyan kamfanoni na duniya irin su ABA z &b, Bahmler, Jung, Mikrosa, Schaudt, Stude, da dai sauransu sun ci gajiyar damping, thermal inertia da amincin ma'adinai na simintin gyare-gyare don samun madaidaicin daidaito da kyakkyawan ingancin farfajiya a cikin tsarin nika. .
Tare da ƙaruwar nauyi mai ƙarfi, simintin ma'adinai kuma ana ƙara samun tagomashi daga manyan kamfanoni na duniya a fagen injin niƙa.Gidan simintin simintin ma'adinai yana da kyakkyawan tsauri kuma yana iya kawar da ƙarfin da haɓakar injin linzamin kwamfuta ke haifarwa.A lokaci guda, da kwayoyin hade da kyau vibration sha yi da kuma mikakke mota iya ƙwarai inganta surface ingancin workpiece da kuma sabis rayuwa na nika dabaran.
Lokacin aikawa: Janairu-18-2022