Umhleli oMkhulu weMechanics uRoy Berendson wabelana ngesifundo esikhawulezayo kwiifasteners. NgokukaRoy, nalu uluhlu lwezona ntlobo zisixhenxe zezona zixhaphakileyo zezikrufu kunye neebholiti ezithi wonke umninimzi ahlangane nazo ngaxa lithile ebomini bakhe.
Iibholiti ze-hex okanye izikrufu zentloko ye-hex ziibholiti ezinkulu ze-hex (i-hex!), ezisetyenziselwa ukuqhoboshela umthi emthini okanye isinyithi emthini. "Ngokungafaniyo neebholiti zeenqwelo, zivame ukujikeleza xa uziqinisa, ngoko ke kufuneka ubambe intloko yebhotshi nge-wrench okanye i-socket kwaye usebenzise i-wrench yesibini ukuqinisa (okanye ukukhulula) i-nut," kusho uRoy. . Iibholiti zeHex zinemisonto emincinci kunye ne-shank egudileyo kwaye ziyafumaneka ngentsimbi okanye intsimbi engatyiwayo yokusetyenziswa ngaphakathi okanye intsimbi ekhandisiweyo ukuze isetyenziswe ngaphandle.
Izikrufu zokhuni zinentonga ephothiweyo esetyenziselwa ukuqhoboshela umthi emthini. Ezi zikrufu zinokuba nobude obuhlukeneyo bomsonto. Xa uqinisa iinkuni ezithambileyo njengepayina kunye nespruce, uRoy uthi kungcono ukusebenzisa izikrufu ezinemisonto embalwa nge-intshi nganye. Kwelinye icala, izikrufu ezinemisonto emihle kufuneka zisetyenziswe xa kuqiniswa iinkuni eziqinileyo. Kukho iintlobo ezininzi zeentloko ze-screw zeplanga, kodwa ezona ziqhelekileyo zingqukuva kwaye zisicaba. URoy uthi: "Intloko yesikrufu sentloko engqukuva ingaphezulu kwesixhobo sokusebenza. Intloko yesikrufu sentloko ecaba ifakwe kwindawo yokusebenza. Izikrufu zokhuni zinokuba yintsimbi engenanto, ubhedu, intsimbi engatyiwa, okanye intsimbi enomgangatho omelana nemozulu.
Izikrufu zesinyithi zamaphepha zisetyenziselwa ukudibanisa amaqhekeza amabini esinyithi kunye okanye ukudibanisa i-sheet metal kwezinye iindidi zetsimbi ezifana nemibhobho. Ezi zikrufu zihlala zinentloko engqukuva, esicaba okanye eneheksi. Into ekufuneka uyikhumbule malunga nezikrufu zentsimbi, utshilo uRoy, kukuba zezomsonto. “Incam yesikrufu ibunjwe ukusika intambo kwintsimbi yomkhosi apho kuqhutywa khona isikrufu,” utshilo, esongeza ukuba zihlala zibizwa ngokuba zizikrufu ezizibambayo. Phantse basoloko besebenzisa intsimbi ecacileyo, intsimbi egqunywe yimozulu, ialuminiyam, okanye intsimbi engatyiwayo ukwenzela ukumelana nemozulu.
Izikrufu zoomatshini zingumxube weebholiti ezincinci kunye nezikrufu ezisetyenziselwa ukubophelela isinyithi kwintsimbi okanye isinyithi kwiplastiki. Emakhayeni, zisetyenziselwa ukukhusela izinto zombane, ezifana nezibane zokudibanisa kwiibhokisi zombane. Kwisicelo esinjalo, i-screw yomatshini iba ngumngxuma apho intambo ehambelanayo ifakwe okanye "ifakwe". Izikrufu zokukhwela zifuna i-nut ukuba umngxuma awuthungelwanga, utsho uRoy.
Isikrufu sentloko yesokhethi sisikrufu somatshini esinentloko yesokethi ekufakwe kuyo iqhosha le-hex. Kwiimeko ezininzi, ezi zikrufu zisetyenziselwa ukudibanisa isinyithi kwintsimbi kwaye zifuna ukulingana okuqinileyo ukuqinisekisa uxhulumaniso olukhuselekileyo. Zihlala zisetyenziswa xa izinto zinokuthi zihlulwe kwaye zihlanganiswe kwakhona ngokuhamba kwexesha.
Iibholithi zeLag, ezaziwa ngokuba zizikrufu ze-lag, zidla ngokuba zikhulu ngobubanzi kwaye zinde ngokwaneleyo ukuba zingene nzulu emthini kwaye zidale uqhagamshelo olomeleleyo olunamathuba amancinane okukhulula isikrufu xa siqinisiwe. Iindawo eziqhelekileyo zokufumana iipropeller zolu hlobo ziidekhi, iidokhi, kunye neendonga zokugcina zokhuni. Ngenxa yokuba iinkuni zangaphandle eziphathwa ngoxinzelelo zinokonakala, izikrufu ziphathwa nge-anti-corrosion coating. URoy uthi: “Ziyidiphu eshushu okanye zenziwe ngentsimbi engenasici.
Ibholithi yekhareji, enokuthi ithathwe ngokuba ngumzala we-lag screw, yibhonti enkulu esetyenziswa kunye neewasha kunye namandongomane ukubamba iibhloko zomthi ezishinyeneyo kunye. Ngaphantsi kwentloko ejikelezileyo yebholithi kukho ukwandiswa okufana netyhubhu enqumle emthini kwaye kuthintele ibholiti ukuba ingajiki xa i-nut iqinisiwe. Oku kwenza kube lula ukuguqula i-nut (akudingeki ukuba ubambe intloko ye-bolt nge-wrench) kwaye unqande ukufikelela okungagunyaziswanga. "I-nut iphantse ihlale isemva kwendibano. Ngaloo ndlela, xa iqinisiwe, i-fastener ayinakukhululeka ngokulula ngenxa yokuba intloko yenqwelo yenqwelo ijikelezwe - njenge-rivet yakudala - iipliers azikwazi ukwenza oku. oko okanye i-wrench, "kuchaza uRoy.
Ixesha lokuposa: Oct-11-2022
