
Bari muyi magana game da mashinan Counterhead. Idan kuna hoton dunƙule-ƙulle-ƙulle kawai tare da kan siliki, kun riga kun rasa rabin labarin. A cikin filin, musamman ma lokacin da kuke hulɗa da sayayya mai girma ko kuma daidaitattun majalisai, ana jefe kalmar a hankali, sau da yawa suna haɗuwa tare da salon kai daban-daban a ƙarƙashin rufin ɗaya. Ba wai kawai game da siffar ba; shi ne game da gaba dayan keɓancewa — tuƙi, yanayin ɗaukar nauyi, sauyawa daga kai zuwa shank. Na ga zane-zane da yawa inda aka ayyana counterhead, amma ainihin abin da ake buƙata shi ne shugaban ƙasa mai ƙima ya zauna jariri a cikin ramin ƙirƙira, ba lallai ba ne daidaitaccen shugaban lebur ba. Wannan bambance-bambancen yana da mahimmanci lokacin da kuke ƙoƙarin guje wa tsangwama ko cimma takamaiman ƙayyadaddun ƙayatarwa. Rikicin yawanci yana farawa daidai nan.
Lokacin da muka ɓata madaidaicin dunƙule kan gaba, maɓalli shine saman ɗaki mai ɗamara. Kwancen da aka haɗa yawanci shine 82° ko 90°, an ƙirƙira shi don dacewa da injin da aka kera a ɓangaren mating. Amma ga abin da ake kamawa: shimfiɗar saman saman kai da maƙasudin abin tuƙi dangane da mazugi shine abin da ya keɓance na'ura mai ƙima da mai matsala. Motsi kaɗan daga tsakiya, kamar Phillips ko Pozidriv, na iya haifar da cam-out a lokacin zama na ƙarshe, yana lalata saman. Shi ya sa don aikace-aikace masu mahimmanci, muna karkata zuwa ga counterhead inji sukurori tare da haɗe-haɗen tuƙi, kamar hex mai ratse, ko ma Torx. Yana ba ku iko don zaunar da shi daidai gwargwado ba tare da zamewa ba.
Material da plating suna taka rawa mai girma, sau da yawa rashin kima. Ba za ku iya ɗaukar wani dunƙule-ƙulle-ƙulle na zinc don shinge na waje ba. Na tuna da wani aiki na majalisar ministocin sadarwa inda aka ayyana madaidaitan madaidaitan madafun iko. Sun lalace a cikin shekara guda a wurin bakin teku, wanda ke haifar da mummunan tabo da damuwa game da amincin haɗin gwiwa. Mun canza zuwa bakin karfe A2-70 counterhead inji sukurori, kuma matsalar ta ɓace. Darasi? Yanayin yana ba da ƙayyadaddun ƙayyadaddun bayanai, ba kawai kasida ba. Mai ba da kayayyaki da ya fahimci haka, kamar Handan Zitai Fastener Manufacturing Co., Ltd., wanda ke cikin babbar cibiyar samar da kayayyaki ta kasar Sin tare da dabaru don gudanar da buƙatun kayayyaki iri-iri, ya zama abokin tarayya, ba kawai mai siyarwa ba.
Haɗin kai wani nuance ne. Za a counterhead inji dunƙule don yin aiki daidai - samar da ƙarfi mai ƙarfi ba tare da cire zaren a cikin ramin da aka taɓa ko dunƙule kanta ba - kuna buƙatar isasshen tsayin alkawari. Dokar babban yatsa shine sau 1.5 diamita a cikin karfe, ƙari a cikin kayan laushi kamar aluminum. Na shaida gazawar inda injiniyoyi, ƙoƙarin adana milimita a tsayin bayanin martaba, sun rage haɗin gwiwa da ke ƙasa da wannan kofa. An gudanar da sukurori da farko amma sun gaza a ƙarƙashin girgiza na tsawon lokaci. Yana da wani classic ciniki-kashe tsakanin ƙira ladabi da inji dogara.
Samo waɗannan ba game da nemo mafi arha farashin kowane yanki ba. Yana da game da daidaito. Bambancin tsari-zuwa-tsalle a diamita na kai ko kusurwar mazugi na iya dakatar da layin taro. Na sami kwantena sun isa inda screws suke a zahiri a cikin ANSI ko DIN haƙuri, amma babban ƙarshen haƙurin diamita na kai yana nufin ba za su dace da faranti na farko ba ba tare da ƙarfi ba, suna fuskantar nakasu. Wannan shine lokacin da kuke godiya da masana'antun da ke sarrafa tsarin su tam. Kamfanin da ke cikin yankin masana'antu mai mahimmanci kamar Yongnian, Handan, sau da yawa yana da fa'ida mai zurfi, sarƙoƙi na musamman don sandar waya da plating, wanda ke haifar da mafi kyawun iko akan waɗannan ma'auni masu mahimmanci.
Bari mu yi magana game da ainihin labari. Muna harhada laminated panels don babban dillali fit-out. Zane ya yi kira ga daidaitaccen wuri mai santsi, don haka muka yi amfani da shi counterhead inji sukurori tare da kai 90°, saita ruwa sannan kuma an cika/fanti. Rukunin farko na sabon mai siyarwa yana da radius kaɗan a ƙarƙashin gefen kai, ba kusurwa mai kaifi ba. Wannan ya haifar da ɗan ƙaramin gibi, layin inuwa, bayan zanen. Ba abin yarda ba ne. Dole ne mu samo wani tsari na daban tare da kaifi, tsaftataccen canjin kai-zuwa-shank. Takeaway? Shaidan yana cikin cikakkun bayanai na geometric waɗanda ba koyaushe suke kan daidaitaccen zane ba. Dole ne ku saka kwandon bayanin martaba idan yana da mahimmanci.
Wani batu mai amfani shine zaɓin tuƙi. Don aikace-aikace masu ƙarfi mai ƙarfi, tuƙi mai sauƙi mai ratsewa akan kan gaba abin tsoro ne. Yana tube cikin sauƙi. Phillips ya fi kyau amma har yanzu yana da saurin kamawa. Hex soket (Allen) yana da kyau don juzu'i amma yana iya tattara tarkace. Tafiya na don neman aikace-aikace ya zama Torx. Yana ba da mafi girman watsa karfin juyi da ƙarancin haɗari na zamewar kayan aiki. Lokacin da kake tantancewa, kar kawai tsoho ga abin da ke gama gari; yi tunani game da yanayin shigarwa da karfin da ake bukata. Katalojin mai kawo kaya wanda ke ba da waɗannan zaɓuɓɓuka a cikin salo daban-daban na kai, waɗanda zaku iya samu a albarkatu kamar https://www.zitaifasteners.com, kyakkyawar alama ce ta iyawar su.
Kalmar injin dunƙulewa kanta tana nuna ƙayyadaddun madaidaicin zaren haɗin kai, da dacewa da ramuka ko ƙwaya. Amma haɗa shi da kan gaba, kuma kun shigar da yankin da ƙa'idodin yanki ya bambanta. DIN 963 counterhead dunƙule na iya samun ɗan tsayin kai ko kusurwar mazugi fiye da takwaransa na ANSI/ASME B18.6.3. A cikin sarkar samar da kayayyaki na duniya, hada wadannan na iya haifar da ciwon kai. Na koyi wannan hanya mai wuya tun da wuri, ina ba da odar M4 counterhead screws daga zanen Turai don samfurin da ake haɗawa a Asiya. Sassan sun isa, kuma ba su zauna a cikin kayan aikin mu ba, wanda aka tsara don daidaitaccen bayanin martaba na JIS. Dole ne mu sake yin injina duk abubuwan da ake amfani da su. Yanzu, tambaya ta farko da na yi ita ce, Wace mizanin?
Wannan shi ne inda yin amfani da masana'anta da ke cikin ingantaccen tushen samarwa ke samun riba. Kamfani kamar Handan Zitai Fastener, wanda ke cikin tsakiyar masana'antar gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyaren gyare-gyare) na kasar Sin, wanda ke da damar yin amfani da hanyoyi da layin dogo, yawanci yana da kwarewa wajen samar da matakan kasa da kasa. Suna iya sau da yawa ba da shawara kan bambance-bambance masu hankali kuma har ma suna riƙe kayan aiki don ƙarancin ƙayyadaddun bayanai. Ba wai kawai yin sashin ba ne; yana nufin fahimtar mahallin da za a yi amfani da shi.
Binciken gazawa babban tushen koyo ne. Na tuna wani lamari da ya haifar da girgizawa akan dutsen mota. Mun yi amfani da misali dukiya aji 8.8 karfe counterhead inji sukurori tare da spring washers. Har yanzu sun saki jiki. Binciken ya nuna rashin isassun kayan aiki da iyakancewar mai wankin bazara a kan wani wuri mai tauri. Maganin ba shine mafi ƙarfi dunƙule ba amma wata hanya dabam: mun canza zuwa sukurori tare da facin kulle zaren da aka riga aka yi amfani da shi kuma mun yi amfani da madaidaicin magudanar wutar lantarki don tabbatar da an shigar da daidai. Salon counterhead ya kasance iri ɗaya, amma fasahar taimako ta canza. Ya jaddada cewa fastener wani bangare ne na tsarin.
Bayan ƙayyadaddun ƙayyadaddun ƙayyadaddun fasaha, akwai ƙwaƙƙwaran aiki na sarrafawa da ƙira. Karami counterhead inji sukurori, musamman a tsayin da ke ƙasa da 6mm, yana da zafi don rike da hannu. Ana sauke su, suna cakuɗe, kuma suna rage haɗuwa. Don samar da ƙara, mun fara ba da odar su kunshe a cikin reels ko sanduna masu shirye-shiryen ciyarwa. Wannan yana buƙatar haɗin kai tare da mai siyarwa don tabbatar da marufi ya dace da kayan aikin mu na atomatik. Daki-daki ne wanda baya bayyana akan kowane zanen injiniya amma yana da tasiri mai yawa akan ingancin layi da farashi.
Duban ingancin sau da yawa suna amsawa maimakon aiki. Kuna samun takardar shedar daidaito, amma kuna duba ta'aziyyar kai akan samfurin? Ko taurin gindin? Mun ƙaddamar da rajistan shiga mai sauƙi amma mai tasiri: ta amfani da ma'aunin go/no-go don diamita na kai da majigi na bayanan martaba don duba kusurwar mazugi akan samfurin daga kowane kuri'a. Ya kama wasu ƙananan batches na tsawon shekaru waɗanda zasu haifar da sake yin aiki a layi. Yana da game da gina matakan tabbatarwa. Mai ƙira wanda ke ba da cikakken gano gano abubuwa da daidaiton kaddarorin jiki yana sa wannan tsari ya fi sauƙi.
A ƙarshe, yana zuwa ga haɗin gwiwa. Dangantakar da mai siyar da kayan aikin ku bai kamata ta zama ma'amala kawai ba. Lokacin da kuke aiki tare da masana'anta wanda ke da tushe mai tushe da ababen more rayuwa, kamar Zitai Fastener tare da dabarun wurinsa kusa da manyan hanyoyin sufuri, ba kawai kuna siyan kayayyaki bane. Kuna shiga cikin ƙwarewar samarwa su. Wataƙila sun ga aikace-aikace daban-daban dubu dubu kuma suna iya ba da shawara mai ma'ana-watakila suna ba da shawarar salon kai ɗan ɗan bambanta don sauƙin shigarwa ko kuma plating mai inganci mai tsada wanda ya dace da buƙatun lalata. Wancan tattaunawar, wacce aka haife ta daga gogewa mai amfani a ɓangarorin biyu, ita ce inda ƙimar haƙiƙa ta ta'allaka ne wajen samo wani abu da alama mai sauƙi kamar dunƙule injin kan gaba.
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