Intambo yesiqeshana sentambo

Ake sikhulume ngeziqeshana zezintambo zocingo. Abantu abaningi, ngisho nabanye asebeneminyaka besendaweni, bacabanga ukuthi i-U-bolt, isihlalo sehhashi, namantongomane amabili. Yishaye ngempama, ishaye phansi, umsebenzi usuqedile. Ilapho-ke inkinga iqala khona. I-nuance yangempela ayikho kumhlangano oyisisekelo—ikukukhethwa, umumo, kanye nokuhlola ithokheshi yokugcina evame ukuzitshwa. Ngibone izinhlelo eziningi zokuqopha zingaphumeleli ekuxhumekeni kwesiqeshana kunasentanjeni ngokwayo, ngokuvamile ngenxa yokuthi othile ukuphathe njengento ethengiswayo esikhundleni sokunemba ingxenye.

I-Anatomy Yokufaka Okufanelekile

Umthetho wokuqala: isihlalo sehhashi siqhubekela phambili. Njalo. Kubonakala kuqondile, kodwa ngaphansi kwe-rogging loft ekukhanyeni okubi, nentambo evela e-engeli engalungile, kulula ukuphenduka. Ngisheshe ngazenza. Ukubeka i-U-bolt ekugcineni kuchoboza futhi kuhlanekezele izintambo zezintambo, okudala iphuzu elikhulu lobuthakathaka. Isihlalo sehhashi siklanyelwe ukucasha futhi sivikele isigaba esithwalayo. Uma ubona isiqeshana esifakwe emuva, ifulegi elibomvu lelo lonke ilifti.

Bese kuba nesikhala. Umthetho omdala ophindwe kayisithupha kunobubanzi bezintambo webanga lokunamathisela ukuze unamathisele uyisiqalo esihle, kodwa akulona ivangeli. Emugqeni olayishwe kakhulu, omile, ungase ubalekele. Ngomugqa obona ukudlidliza noma ukulayisha okuguquguqukayo—cabanga imigqa yokuphakamisa i-crane noma ukugetshengwa kwesikebhe sikaseyili—ngincamela ukukuqinisa lokho kancane. Umgomo uwukwakha amandla okubamba afanayo phezu kobude obanele bentambo ukuvimbela noma yikuphi ukushelela. Iqhelelene kakhulu, futhi intambo ingafaka intamo phakathi kweziqeshana ngaphansi kwengcindezi.

UTorque ungumbulali othule. Iziqeshana eziningi, njengalezo ezivela kubakhiqizi abahloniphekile, ziza nevelu yetorque enconyiwe. Akusona isiphakamiso. I-under-torquing kusho ukuthi isiqeshana asibandakanyeki ngokugcwele, futhi intambo ingashelela. Ukudonsa ngokweqile, ikakhulukazi ngesibhamu somoya, kungakhumula izintambo noma, okubi nakakhulu, cindezela kakhulu intambo futhi kuphuke izintambo ngaphakathi. Ngihlala ngisebenzisa isikrufu se-torque esilinganisiwe ukuze ngidlule ekugcineni, futhi ngiphinde ngihlole ngemva kokufakwa komthwalo wokuqala. Amantongomane ngokuvamile azodinga i-torque encane ngemva kwemibhede yezintambo ingene esihlalweni.

Ama-nuances wezinto ezibonakalayo nezokukhiqiza

Akuzona zonke izinsimbi ezihlanganisiwe ezilinganayo. Ibanga libaluleke kakhulu. Ijenerikhi isiqeshana sentambo yocingo kusuka emthonjeni ongaziwa kungenziwa ngensimbi ye-carbon yezinga eliphansi ene-ductility empofu. Ngaphansi komthwalo wokushaqeka, ingase iqhekeke esikhundleni sokuwohloka. Ngibheka iziqeshana ezifakwe i-hot-dip ngemuva kokufoja, hhayi nje ezipuletiwe. Ukungena kwe-zinc ezintweni kunikeza ukumelana nokugqwala okungcono kakhulu, okubalulekile ezimbonini zasolwandle noma zangaphandle lapho ukugqwala kungafihla imifantu eyinhlekelele.

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Isiphetho serediyasi engaphakathi yesihlalo sehhashi siyinto ephuthelwa kakhulu. Kufanele ibe bushelelezi, ingabi na-flash ekhangayo noma imiphetho ebukhali. Indawo emagebhugebhu yenza njengefayela elingaphansi komthwalo we-cyclic, igaya kancane kancane entanjeni yocingo. Ngithathe ingilazi yokusondeza kumasampula ngaphambi koku-oda ngobuningi. Kuzwakala kudlulele, kodwa isihlalo sehhashi esingaqediwe kahle sizobonisa ukuguga ngaphambi kwesikhathi entanjeni, kubeke engcupheni impilo yonke yenhlangano.

Izingcingo zokwahlulela eziqondene nohlelo lokusebenza

Awukwazi ukusebenzisa ukusethwa kwesiqeshana okufanayo ku-guy-wire engapheli embhoshongweni kanye nebhande lokutakula lesikhashana emotweni. Ekufakweni unomphela, ngimela okungenani isiqeshana esisodwa esengeziwe ngaphezu kwesincomo esincane somkhiqizi. Kushibhile umshwalense. Futhi, ukusetshenziswa kwe-thimble esweni akuxoxiswana; igcina irediyasi yentambo futhi inikeze isihlalo sehhashi indawo efanele yokubhekana nayo.

Ukuze kuphakanyiswe isikhashana, i-calculus iyashintsha. Lapha, ukulula kokuhlola kanye nesivinini sokufaka kuyizici. Iziqeshana ezifojiwe ziwukuphela kwenketho lapha—izinhlobo zensimbi ezinesitembu ezomsebenzi olula, izinhlelo zokusebenza ezingabalulekile njengokubiya. Ngake ngabona izisebenzi zisebenzisa iziqeshana ezinezigxivizo ekusetheni isigxobo se-gin yesikhashana. Ngesikhathi sokuphakamisa, esinye seziqeshana sivele siqonde. Ukwehluleka kwakungeyona into emangalisayo; kwaba ukukhasa kancane, okwesabekayo. Ngenhlanhla umthwalo wabanjwa. Isifundo bekuwukuthi imvelo yesikhashana yohlelo lokusebenza ayinciphisi ukugxeka kwengxenye.

Enye indawo yokwahlulela isentanjeni yocingo ebekwe eduze kweketango noma iphini. Kufanele uqinisekise ukuthi isihlalo sehhashi lokunamathisela sihambisana nentambo, hhayi ukuvala igebe phakathi kwentambo nomzimba weketanga. Uma kuyibhuloho, amandla okubamba awasebenzi. Ngezinye izikhathi udinga ukubeka kabusha iso lonke noma usebenzise i-shackle enosayizi ohlukile ukuze uthole ukulingana okufanele. Lolu uhlobo lokuxazulula izinkinga endaweni lapho ofunda khona ngokwenza okungalungile kanye.

Umkhuba Obalulekile Wangemuva Kokufakwa

Ukufakwa akusona isiphetho. Isicelo sokuqala sokulayisha siyingxenye yenqubo. Ngemva kokufaka umthwalo olingana nomkhawulo womthwalo osebenzayo (ungalokothi ufake ubufakazi bokulayisha ukuhlanganisa isiqeshana sodwa!), umshini wokulinganisa kufanele wehliswe futhi wonke amantongomane ahlolwe kabusha ukuze abone itorque. Cishe njalo uzothola eyodwa eye yaxega kancane njengoba izintambo zezintambo zicindezelwa futhi zihlezi. Ukweqa lesi sinyathelo kufana nokungopha amabhuleki ngemva kokushintsha i-caliper.

Upende uyisihloko esibanga ingxabano. Amanye ama-specs abiza ukudweba iziqeshana ezihlanganisiwe ukuze zifane nesakhiwo. Ngiyakuxwaya lokhu. Upende ungafihla imifantu, ukugqwala, futhi ungavala igebe phakathi kwesihlalo sehhashi nentambo, kwenze ukuhlola okuzayo kungenzeki. Uma ukudweba kuyimpoqo, ngigcizelela ukuthi kufihlwe ngokucophelela zonke izindawo ezibucayi nemicu ngaphambili. Okungcono nakakhulu, sebenzisa isiqeshana esinokuqeda ukumelana nokugqwala kusukela ekuqaleni futhi ugweme upende ngokuphelele.

Ekugcineni, imibhalo. Kunoma yikuphi ukuphakamisa okubalulekile, ngithatha isithombe esiseduze se- isiqeshana sentambo yocingo umhlangano ngemva kwetorque yokugcina nangemva komjikelezo womthwalo wokuqala. Ingena kufayela lomsebenzi. Ukunyakaza kwe-CYA, ngokuqinisekile, kodwa futhi kwakha irekhodi elibonakalayo lokuthi okulungile kwakubukeka kanjani ngesikhathi sokufakwa, okubaluleke kakhulu uma kuqhathaniswa kamuva ngesikhathi sokuhlolwa okujwayelekile.

Lapho Izinto Zingahambi Kahle: Izindlela Zokwehluleka

I-Slippage ukwehluleka okuvame kakhulu, futhi cishe njalo kuyiphutha lokufaka: umumo ongalungile, i-torque enganele, noma iziqeshana ezanele. Intambo izokhombisa izintambo ezipholishiwe, ezishisiwe lapho ishelela khona phakathi kwesihlalo. Kuyinto ecacile.

Ukwehluleka okuqhubekayo kunzima ukukubona. Yilapho isiqeshana singaqondani kahle kancane noma sifakwe i-torque, okubangela ukukhathala kwendawo entanjeni. Uzobona izintambo eziphukile khona kanye emaphethelweni esihlalo, ngokuvamile ohlangothini olubukhoma. Yingakho ungahloli nje isiqeshana, kodwa intambo engaphansi kwaso ngesikhathi ngasinye sokuhlola.

Ukwehluleka kwesiqeshana esiyinhlekelele—ukuhlwithwa kwe-U-bolt—akuvamile uma ibanga lilungile. Uma kwenzeka, ngokuvamile kubangelwa isici esibalulekile, ukugqwala okukhulu empandeni yochungechunge (i-hotspot yokucindezeleka), noma umthwalo womthelela ongaphezu komkhawulo wedizayini. Ngibone i-snap eyodwa kuphela, futhi indawo ephukile ibonise ukufakwa okukhulu ensimbi-iphutha lokukhiqiza. Yingakho umthombo ubalulekile. Umphakeli ofakwe kusisekelo esikhulu sokukhiqiza njenge I-Handan Zitai Fetesser Comment Co, Ltd. ngokuvamile inokulawula ikhwalithi eqine kakhulu ekufakweni kwempahla eluhlaza ngenxa yokuthi wonke umsebenzi wayo uqondiswe ekugxiliseni okukhethekile, hhayi nje ukwenziwa okuvamile.

Ekugcineni, isiqeshana sentambo yocingo iyithuluzi elilula elikhohlisayo elidinga ukuhlonishwa. Kuwukuxhumana phakathi kwamandla aguquguqukayo entambo nendawo eqinile yokunamathisela. Ukuyilungisa akukhona mayelana nokulandela imanuwali ngekhanda; kumayelana nokuqonda amandla adlalwayo kanye nokuhlonipha imikhawulo yehadiwe. Iwuhlobo lwengxenye lapho ulwazi—oluvame ukuzalwa ngenxa yamaphutha amancane abanjwe ngesikhathi—lugingqika ulwazi lwethiyori ngaso sonke isikhathi.