Hoop

Lokacin da yawancin mutane suka ji 'hoop', suna tunanin kwando ko 'yan kunne. A cikin layin aikinmu, abu ne mai mahimmanci mai ɗaukar nauyi, kuma a zahiri, wanda ba a ƙididdige shi ba. Zaton cewa a hufa Karfe ne kawai lankwasa shi ne inda ayyuka da yawa suka fara tafiya a gefe. Na ga wasu ƙayyadaddun bayanai waɗanda ke ɗauke da shi azaman tunani na baya, kawai don fuskantar yanayin gazawa waɗanda ke komawa zuwa wannan zoben mai sauƙi. Ba game da siffar ba; game da ilimin kimiyyar lissafi na rufaffiyar madauki a ƙarƙashin tashin hankali, rarraba damuwa wanda cikakkiyar da'irar-ko fiye da sau da yawa, ɗan ƙaramin injin ellipse-ke gudanarwa. Samun kuskure yana nufin duk abin da yake riƙe tare ya koma baya.

Geometry na Takura

Yana farawa da nada. High-carbon karfe waya, ciyar, mike, yanke. Ƙirƙirar da alama tana da sauƙi: lanƙwasa cikin da'irar kuma weld iyakar. Amma ramin farko yana nan. Cikakken ƙulli 360-digiri tare da butt weld yana haifar da matsananciyar tashin hankali a wurin walda. A cikin aikace-aikacen lodi mai ƙarfi-tunanin adana manyan tatsuniyoyi akan kayan aikin hakar ma'adinai ko alaƙar tsari a cikin shinge na wucin gadi-wannan shine tushen tushen fashe gajiya. Mun koyi wannan ta hanyar dawowa, ba ka'ida ba. Wani abokin ciniki a cikin dutse ya yi asara hufa fasteners akan raga na allo yana rufe kowane wata. A gazawar bincike ko da yaushe ya nuna da fasa yaduwa daga walda.

Gyaran ba shine mafi kyawun walda ba, amma zoba daban. Juyawa zuwa ƙirar haɗin gwiwa ta cinya, inda ƙarshen ya mamaye ta da faɗin diamita kafin waldawa, yana shimfida kaya. Yana kama da ƙaramin daki-daki, amma yana canza yanayin gazawar daga karyewar kwatsam zuwa nakasar da ake gani a hankali. Wannan shine nau'in nuances da baku samu a cikin littafin jagora ba. Ya zo ne daga tarwatsa sassan da suka kasa da kuma ganin labarin a cikin hatsin karfe. Kamfanonin da suka ƙware wajen samar da ƙara, kamar Handan Zitai Fastener Manufacturing Co., Ltd., sun sami wannan. Matsayin da suke a Yongnian, cibiyar haɗin gwiwa ta kasar Sin, yana nufin sun aiwatar da isassun madafun iko na gazawar da za su gasa waɗannan darussa a cikin kayan aikinsu. Hanyarsu zuwa ma'auni hufa ba daidai ba ne kwata-kwata; an riga an gyara shi don mafi yawan matsalolin filin da aka saba.

Sai kuma batun zagaye. Zagaye na gaske hufa ya dace don matsa lamba iri ɗaya, amma idan abin da yake ɗaure ba zagaye ba fa? Don haɗa igiyoyi ko hoses na hydraulic, ɗan kwali na iya zama alama, ba lahani ba. Yana haifar da jagorar dabi'a a yayin taro da maƙalli na ƙarshe. Mun yi ƙayyadaddun ƙayyadaddun madatsai don aikin haɗin waya sau ɗaya, kuma masu sakawa sun ƙi su—da wuya a ɗauka kan ƙullun da ba daidai ba. Banbancin kashi 2% daga da'irar gaskiya, da kyar ake iya gani ga ido, ya sa samfurin yayi aiki. Wannan shine mahimmin lissafi mai amfani.

Ƙwaƙwalwar Material da Springback

Springback shine abokin gaba na daidaito a kowane ɓangaren ƙarfe da aka kafa, kuma hoops babban misali ne. Kuna samar da shi zuwa madaidaicin diamita na ciki akan mandrel, saki matsa lamba, kuma yana buɗewa kaɗan. Yin ramawa don hakan yana buƙatar jin daɗi don ƙwaƙwalwar kayan. Don waya mai tsayi, sau da yawa kuna jujjuyawa, suna yin diamita kaɗan kaɗan fiye da ƙayyadaddun bayanai, sanin cewa zai huta cikin madaidaicin haƙuri. Wannan ba saitin CNC ba ne kawai; ilimin kabilanci ne a farfajiyar shago.

Na tuna wani tsari na tsarin igiya igiya na gine-gine inda hufa dole ne ya zame saman fil ɗin clevis tare da matse hannu, babu kayan aiki. Gudun farko ba a iya amfani da shi—matsauri. Karfe wani sabon gami ne mai irin yanayin samari na daban. Ma'aikacin injin, mutumin da ke da shekaru ashirin akan tsoffin, bai amince da tsarin daidaitawa ba. Ya yi gwajin gudu, ya auna magudanar ruwa da hannu, kuma ya daidaita wurin tsayawa na tsohon da ji. Bashi na gaba ya kasance cikakke. Wannan yana nuna dalilin da yasa samowa daga tushen masana'anta mai mahimmanci kamar Yongnian yana da fa'ida. Wannan ƙwararrun ƙwarewa, saurin raba ilimin tacit tsakanin masana'antu, yana magance matsalolin waɗanda keɓaɓɓiyar sarrafa kansa ba zai iya ba. Gidan yanar gizon Zitai Fasteners (https://www.zitaifasteners.com) ya lissafa kusancin su da manyan hanyoyin sufuri, wanda ya kai fiye da kayan aikin jigilar kayayyaki; game da shigar da shi cikin wannan yanayin na fasaha na haɗin gwiwa.

Maganin zafin da ba daidai ba zai iya shafe duk wannan tsari na hankali. A ta taurare hufa ya zama gaggautsa. Don yawancin aikace-aikacen, kuna son yanayin zafin rai - mai ƙarfi, tare da wasu bayarwa. Mun taɓa samun jigilar kaya inda ƙwanƙwasa ke ɗaukar hoto yayin shigarwa. Mai siyarwar ya tsallake matakin zafi don adana farashi da lokaci. Kayan yana da wuya, amma ba shi da ductility. Ya ci jarabawar tauri mai sauƙi amma ya gaza gwajin ainihin duniya na gurɓatacce. Yanzu, ba mu ƙididdige darajar kayan ba kawai ba, amma tsarin jiyya bayan kafawa: man da aka kashe da zafi a 400 ° C. Abun layi ne wanda ke raba kayayyaki da wani sashi.

Interface da aka manta: Sama da gogayya

Ƙarshen saman a hufa ba kasafai ake magana ba, amma yana bayyana aikin sa a cikin tsarin. Ƙarshen galvanized ba kawai don juriya na lalata ba; yana canza juzu'i na gogayya. Ƙaƙwalwar tutiya mai haske mai haske zai zamewa cikin sauƙi ta hanyar na'ura mai tayar da hankali fiye da wanda aka yi da zafi mai zafi tare da ƙasa mai laushi. Don aikace-aikacen ƙwanƙwasa inda hoop ɗin ke buƙatar ciccika damtse, wannan ƙasa mai santsi na iya nufin bambanci tsakanin samun ƙarfin ƙarfin da ake buƙata ko zamewar kayan aiki.

A cikin aikin tabbatar da fale-falen fiberglass, mun yi amfani da hoops na bakin karfe. Nau'in wucewar yanayi na bakin ciki yana da slick sosai. Ƙirar ta dogara da juzu'i tsakanin hoop da farantin tallafi don hana juyawa. Ya kasa. Maganin ba shine canza kayan ba amma don canza saman. Ƙaƙwalwar ƙura mai haske a kan kewayen ciki na hufa ya ƙirƙiri isassun ƙananan ƙananan don kulle shi a wuri. Irin wannan aikin na biyu baya cikin mafi yawan kasida. Dole ne ku sani don neman shi, ko mafi kyau, aiki tare da masana'anta wanda ke ba da waɗannan tweaks masu ƙima a matsayin wani ɓangare na sassaucin samarwa.

Wannan shine inda abubuwan more rayuwa a kusa da babban mai samarwa suka zama masu dacewa. Masana'anta a keɓe wuri na iya yin baƙar fata yayin ƙara matakin fashewar dutsen dutse. A cikin gungu kamar Yongnian, inda Handan Zitai ya samo asali, akwai yuwuwar wani ƙwararren mai siyar da jiyya a ƙasa akan hanya. An inganta dukkan sassan samar da kayayyaki don waɗannan gyare-gyare. Bayanin kamfanin na sufurin da ya dace sosai yana magana da wannan haɗin gwiwar - ba don fitar da kayan da aka gama ba ne kawai, amma don sauƙaƙe saurin haɓakar haɓakar haɗin gwiwa waɗanda ke buƙatar hanyoyin haɗin kai.

Load Cases da Ƙaunar Simmati

A hufa yana da simmetric radially, don haka yana da ban sha'awa a ɗauka kullun ana rarrabawa daidai gwargwado. Wannan zato ne mai haɗari. A hakikanin gaskiya, ƙwanƙwasa sau da yawa suna ganin nauyin ma'ana - ƙugiya da ke janye daga gefe ɗaya, mamba na giciye yana latsawa a wurare guda biyu. Wannan yana haifar da lokacin lanƙwasawa ba a tsara hoop ɗin da farko don ba. Rashin gazawa na yau da kullun shine ƙugiya da ke jujjuya zuwa wani ɗan kwali, wanda sannan ya lalata amincin haɗin gwiwa da yake tabbatarwa.

Mun gwada wannan tare da kayan aiki na al'ada, muna amfani da nauyin radial zuwa ƙugiya na abu iri ɗaya amma sassa daban-daban. Ƙaƙwalwar waya mai zagaye ta naƙasa cikin sauƙi fiye da ɗaya tare da lallausan giciye ko siffa D a fuskar ciki. Sashin da aka kwance ya ba da faffadan faffadan juzu'i a kan nauyin ma'ana, yana ƙarfafa tsarin yadda ya kamata. Don madaidaicin madauri mai ɗaukar nauyi mai nauyi, ƙaramin bayanin martaba ya ƙaru iyakar nauyin aiki da kashi 15%. Shafi ne bayyananne inda tsari dole ne ya bi takamaiman aiki, galibi asymmetric.

Wannan yana da alaƙa da iyawar masana'antu. Samar da murhuwar waya zagaye abu ne mai sauƙi. Samar da hoop tare da takamaiman takamaiman bayanin martaba yana buƙatar ƙarin ingantaccen kayan aiki da sarrafa tsari. Alama ce ta zurfin masana'anta. Lokacin da kuka kalli babban fayil daga ƙwararru kamar Zitai, ba kawai kuna neman nau'ikan samfuri bane, amma don shaidar irin wannan bayanan da fahimtar hanyoyin da ba na kaya ba. Matsayinsu a matsayin wani ɓangare na tushe mafi girma na daidaitattun sassa a kasar Sin yana nuna cewa suna da nau'ikan kayan aiki da tallafin injiniya don matsawa fiye da mafi sauƙin tsarin waya.

Bayan Naúrar Guda Guda: Taro da Tunanin Tsari

A ƙarshe, da hufa baya aiki shi kadai. Yana daga cikin tsarin: bolt yana wucewa ta cikinsa, igiyar waya ta ƙare a cikinsa, tana zaune a kan wani sashi. The dubawa tolerances ne duk abin da. Kuskuren gama gari shine zayyana hoop da sassan jikin sa a keɓe. Na ga kyawawa, ƙayyadaddun ƙayyadaddun hoops waɗanda ba za a iya haɗa su ba saboda ba a ƙididdige adadin kabu ɗin walda a ƙirar ɓangaren da ke kusa ba.

Wata doka mai amfani da muke bi yanzu ita ce zayyana hufa karshe, ko a kalla a layi daya tare da musaya. Fara da kaya, ayyana sassan mating, sa'an nan kuma zayyana hoop ɗin da ke gadar su, lissafin tsarin taro da samun damar kayan aiki. Don tsarin siffa na zamani na baya-bayan nan, hoop ya kasance hanyar haɗin kai. Dole ne zane ya ba da izinin shigar da shi tare da safofin hannu, sau da yawa a wani kusurwa mara kyau. Wannan ya tilasta mafi girman diamita na ciki fiye da tsantsar ƙididdiga na ƙarfin da aka ba da shawara, kuma ya ba da umarni mai santsi, radiyo na ciki don hana ƙullewa. Cikakken hoop daga software na nazarin damuwa da ya gaza a matsayin samfur.

Wannan kallon matakin-tsari shine abin da ke raba mai samar da kayan aiki daga mai samar da mafita. Bambanci ne tsakanin sayar da hoop kawai da fahimtar yadda ake yin sa'ad da ma'aikaci daga kamfanin abokin ciniki na Handan Zitai ke ƙoƙarin shigar da shi a wurin gine-ginen iska a ƙarshen tafiya mai tsawo. Ayyukan zahirin duniya shine kawai gwajin da ke da mahimmanci, kuma kowane zaɓin ƙira-daga jeri na walda har zuwa gamawar saman-funnels zuwa wannan lokacin. Ƙaƙwalwar, a ƙarshe, hanya ce ta ƙarfi, kuma ana auna nasararsa ta hanyar amincin da ba a iya gani a cikin abubuwan da ba a iya gani ba, dadewa bayan an kwashe takaddun bayanai.