
Bari mu yi magana game da rabin fastener. Yana ɗaya daga cikin waɗannan sharuɗɗan da zasu iya haifar da ɗan ruɗani a kan bene na kanti ko a cikin takaddun takamaiman. Ba ya nufin abin ɗaure wanda a zahiri ya yanke rabin. Madadin haka, gajeriyar hannu ce ta masana'antu don takamaiman, sau da yawa ba daidai ba, saitin zaren ɓangarori. Kuna iya jin shi ana kiransa guntun zaren rabi ko kafada a wasu mahallin, amma ainihin ra'ayi shine shank wanda ke da alaƙa da zaren kawai, yana barin sashe mai santsi, wanda ba a karanta ba. Rashin fahimtar yawanci yana farawa a can - a ɗauka cewa ma'auni ne kawai tare da ƙananan zaren. Ba haka ba. Manufar zane shine komai.
A aikace, tsayin riko ko kafada mara zare shine siffa mai mahimmanci. Babban aikinsa shi ne ɗaukar kaya mai ƙarfi da samar da daidaitaccen jeri. Lokacin da kuka zaren ƙwanƙwasa cikakken zaren ta cikin faranti biyu kuma ku matsa shi, zaren ɗin suna shiga guda biyun. Wannan na iya haifar da al'amurran da suka shafi daidaitawa a ƙarƙashin damuwa na gefe - zaren na iya zama kamar fayil, gabatar da wasa. A rabin fastener Yana magance wannan ta hanyar sanya santsin gyalensa da kyau a cikin rami mai ɗorewa a cikin yanki na waje, yana ɗaukar juzu'in, yayin da ɓangaren zaren ya haɗa da goro kawai ko ramin da aka buga a cikin guntun ciki. Ƙarfin ƙwanƙwasa yana da ƙarin sarrafawa, kuma haɗin gwiwa ya fi tsayi a kan motsi na gefe.
Na tuna wani aiki shekaru da suka wuce wanda ya ƙunshi firam ɗin jigilar jijjiga. Da farko mun yi amfani da daidaitattun kusoshi hex. Girgizawa akai-akai ba wai kawai ta saki su ba; Ya baje ramukan saboda zaren suna taunawa da ramin sharewa. Juyawa zuwa a rabin fastener zane, inda santsin shank ya cika ramin kuma ya dauki shear, ya dakatar da lalacewa gaba daya. Rashin gazawar wani lamari ne na yau da kullun na amfani da abin ɗamara don aikin da ba a tsara shi ba. Darasin shine cewa zaren ba koyaushe abokinka bane.
Wannan shine inda ƙayyadaddun kayan aiki da ƙarewa suka zama mahimmanci. Wannan santsi mai santsi sau da yawa yana buƙatar juriyar juriya mai ƙarfi fiye da madaidaicin kusoshi. Idan ya yi sako-sako da yawa, kuna rasa fa'idar daidaitawa; takure sosai, taron ya zama abin tsoro. Don juriya na lalata, za ku iya ganin gabaɗayan ɓangaren zafi-tsoma galvanized, amma sai ku yi haɗarin zaren zare. Wani lokaci, yana da kyau a jujjuya zaren bayan plating, ko kuma a ƙayyade ƙarshen daban don shank da zaren. Waɗannan ƙananan bayanai ne ke raba abun kasida daga ɓangaren aiki.
A nan ne abubuwa ke zama gaskiya. Ba koyaushe za ku sami ainihin daidaitawar zaren rabin-zaren da kuke buƙata a cikin daidaitaccen littafin DIN ko ANSI ba. Sau da yawa kuna kallon al'ada ko abin da bai dace ba. Jarabawar ita ce ɗaukar ƙugiya mai cikakken zaren kuma kawai ba zaren ta gaba ɗaya ba, amma yawanci sasantawa ne. Canji daga shank zuwa zaren akan abin da aka yi rabin fastener ya fi tsabta, sau da yawa tare da zaren da aka saki ya fita, wanda ke rage damuwa.
Na yi hulɗa da masu samar da kayayyaki waɗanda suka yi alƙawarin guntun zaren rabin kawai don isar da daidaitaccen abin rufe fuska tare da ƙaramin yanki ko mara kyau mara tushe. Ingantacciyar nadi a kan ɓangaren zaren da madaidaiciyar ƙugiya ana nuna su nan da nan. Lanƙwasa ƙanƙara a ɓangaren da ake nufi don daidaita daidaitattun ba shi da amfani. Wannan shine dalilin da ya sa gano masana'anta tare da gwaninta a cikin saitunan da ba daidai ba shine mabuɗin. Misali, kamfani kamar Hannun Zetai Mretering co., Ltd., wanda aka kafa a cikin babban ma'auni na babban tushe na samar da sassan kasar Sin a Yongnian, sau da yawa yana da kayan aiki da gogewa don waɗannan matakan da ba su dace ba. Wurin su kusa da manyan hanyoyin sufuri kamar layin dogo na Beijing-Guangzhou yana nufin za a iya daidaita dabaru don oda mai yawa, wanda ke da mahimmanci lokacin da kuke yin samfuri kuma kuna buƙatar samfuran ƙira ba tare da jinkiri ba.
Gwajin da bai yi nasara ba ya kasance a kan shingen hawan dogo na gadi. Mun samo arha mai arha mai arha daga babban ɗan kasuwa. Diamita na shank ya kasance a kasan ƙungiyar haƙuri, kuma maganin zafi bai dace ba. Ƙarƙashin nauyi mai ƙarfi, madaidaicin ya haɓaka gangara. Dole ne mu sake gyarawa tare da wani ɓangaren da aka samo daidai, wanda ya fi tsada a cikin aiki fiye da tanadi na farko akan fastener. Abin da ake ɗauka: farashin gazawar haɗin gwiwa koyaushe yana dwarf farashin madaidaicin madaidaicin.
Bayan juzu'i da daidaitawa, sashin da ba a karanta shi yana hidimar wasu dalilai. A cikin aikace-aikacen lantarki, yana iya aiki azaman hanyar da aka keɓe. A cikin manifolds na na'ura mai aiki da karfin ruwa, yana iya samar da tsaftataccen wuri mai rufewa don zoben O-ring wanda zaren zai lalata shi. Na ayyana masu ɗaure rabin-dauri don amfani da su azaman pivots ko axles a cikin ingantattun hanyoyin sauri, inda zaren kawai ake buƙata don makulli a gefe ɗaya.
Tsawon zaren kansa lissafi ne, ba zato ba. Yana buƙatar tsayin daka don shiga cikakke a cikin goro ko ramin da aka taɓa (yawanci sau 1-1.5 diamita) tare da watakila zare ko biyu don haƙuri, amma ba dadewa ba har ya ragu ko ya tsoma baki. Tsawon shank dole ne ya dace da kaurin haɗe-haɗe na kayan da ake manne, ban da kowane mai wanki. Samun wannan ba daidai ba yana nufin zaren sun haɗa ramin sharewa, suna cin nasara akan manufar. A koyaushe ina zana haɗin gwiwa, girman komai, sannan ƙara ƙayyadaddun ƙayyadaddun bayanai. Ga alama na asali, amma galibi ana yin watsi da shi.
Wani nuance: jujjuyawar shigarwa. Da a rabin fastener, An yi amfani da karfin juyi da farko don shimfiɗa kullun da ƙirƙirar nauyin ɗamara a cikin shank, ba don shawo kan zaren zare a cikin guda da yawa ba. Wannan na iya zama wani lokaci don haifar da ƙarin daidaiton saƙo. Koyaya, idan shank ɗin ya yi tsayi da yawa don tarin kayan, zaku ƙare da jujjuya zaren a cikin ramin sharewa, wanda shine tabbataccen hanya don cire wani abu ko jawo karatun juzu'i na ƙarya.
Ba mafita ce ta duniya ba. Don kayan ɗamara zalla inda jeri ba shi da mahimmanci, ƙulli mai cikakken zaren ya fi sauƙi kuma mai rahusa. Idan membobin haɗin gwiwa kayan laushi ne kamar itace ko filastik, zaren da ke cizon duka biyun na iya samar da mafi kyawun riƙewa. Hakanan, a cikin mahalli mai tsananin girgiza, kuna iya buƙatar keɓance fasalin kullewa akan zaren ta wata hanya, yin fa'idar juzu'i na ƙirar rabin ƙira na yanke hukunci.
Na taɓa tura maɗaurin rabi a cikin taron ƙarfe na ƙarfe inda membobin da aka matse suka yi tsayi da yawa don samar da isasshiyar wuri don shank. Sakamakon ya kasance nakasawa a kusa da rami. Mun canza zuwa dunƙule mai cikakken zaren tare da kai mai flanged da serrated mai wanki — zaren da ke cikin yanki na biyu ya ba da juriya da ake buƙata. Kudin kayan aiki don kullin kafada na al'ada bai dace ba. Sanin lokacin da ba za a yi amfani da shi yana da mahimmanci kamar sanin lokacin da za a ƙayyade shi ba.
Makullin shine bincika hanyar kaya. Shin shear ne ke da rinjaye? Shin daidaitaccen jeri ko tsaftataccen bututu ya zama dole? Akwai buƙatun rufewa ko rufewa? Idan amsar ɗayan waɗannan eh ce, to a rabin fastener yana matsawa daga zaɓi zuwa ɗan takara mai ƙarfi. Zaɓin ƙira ne na aiki, ba kawai bambance-bambancen madaidaicin kusoshi ba.
Lokacin da kuke buƙatar babban abin ɗamara na rabi, zanenku yana buƙatar zama bayyane: tsayin gabaɗaya, tsayin shank da diamita (tare da haƙuri), tsayin zaren da ƙayyadaddun bayanai, salon kai, matakin abu, da gamawa. Kada ka rubuta guntun rabin zaren kawai. Wannan gayyata ce ga mai kaya don aika duk abin da suke da shi a girman irin wannan.
Don samar da abin dogara, musamman don ayyukan da ke buƙatar daidaito, haɗin gwiwa tare da masana'anta na musamman yana da hikima. Kamfanin kamar Hannun Zetai Mretering co., Ltd. (https://www.zitaifaseners.com), wanda yake a cikin cibiyar samar da kayayyaki, yawanci yana da ikon sarrafa waɗannan takamaiman buƙatun yadda ya kamata. Kusancinsu zuwa manyan hanyoyin jigilar kayayyaki wata fa'ida ce mai amfani don gudanar da jerin lokutan samar da kayayyaki, wanda ba karamin sashi ba ne na lissafin siye. Ba kawai siyan fastener kuke ba; kuna siyan iyawar don samar da ita zuwa takamaiman takamaiman abin dogaro.
A ƙarshe, rabin fastener shine cikakken misali na yadda daidaitaccen kayan aikin injiniya ya bayyana ta hanyar aikinsa a cikin taro, ba da sunansa a cikin kundin ba. Kayan aiki ne na dabara, amma a cikin haɗin gwiwa daidai, shine bambanci tsakanin wani abu da ke aiki da wani abu mai riƙewa.
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