Isingeniso
Ama-sheave akwa-crane ayizinto ezibalulekile ezisebenzayo ezifana nama-crane, ama-hoist, nama-winch. Ikhwalithi yawo ithinta ngqo amandla okuthwala umthwalo, ukuqina, nokuphepha kokusebenza.
Phakathi kwezindlela ezahlukene zokukhiqiza, ama-sheave akwa-crane enziwe ngokufojwe (forged) ayaziwa kakhulu ngamandla awo aphezulu nokwethembeka kwawo. Uma kuqhathaniswa nawo-sheave enziwe ngokulahlwa (cast) noma enziwe ngomshini ojwayelekile, ukufojwa kukhiqiza isakhiwo sangaphakathi esinamathele kakhulu futhi esifanayo.
Lesi sihloko sethula inqubo yokukhiqiza ama-sheave akwa-crane enziwe ngokufojwe (forged) futhi sichaza izinzuzo zawo eziyinhloko ezisebenzayo ekuthwaleni.
Ukulungiswa Kwezinto Zokusetshenziswa
Ukuqala kokukhiqizwa kwe-sheave ye-crane eyenziwe ngokufojwe (forged) kuqala ngokukhetha izinto zensimbi ezisezingeni eliphezulu ngokuya ngezidingo zokuklama.
Izinto zokufojwa (forging) ngokuvamile zikhethwa ngokuya nge:
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amandla okuthwala umthwalo
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izimo zokusebenza
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amandla omshini adingekayo
Impahla eluhlaza isikwa ibe ama-billet afanelekayo ngaphambi kokungena enqenqeni yokukhiye.
Ukufudumeza ukuze Kukhiye
Ngaphambi kokukhiye, i-steel billet ifudunyezwa ibe izinga lokushisa eliphezulu kuhhavini ukuze kuthuthukiswe ubuvimbela bayo.
Kuleli izinga lokushisa, impahla iba lula ukuyihlehlisa ngaphandle kokuqhekeka. Ukufudumala okufanele kuqinisekisa ukwakheka kwangaphakathi okufanayo futhi kulungiselela impahla yokukhanda.
Inqubo Yokukhanda
I-billet efudumele bese ikhandwa kusetshenziswa imishini yokukhanda njengama-hydraulic press noma izando.
Ngesikhathi sokukhanda, ingcindezi ephezulu isetshenziswa ukubumba impahla ibe yisimo esiyisisekelo se-sheave. Insingo iyageleza futhi icindezeleke, ihlanze ukwakheka kwenzalo futhi iqede amaphutha angaphakathi.
Le nqubo ithuthukisa kakhulu:
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amandla okwakha
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ukuqina
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ukumelana nomthelela
Ukubumba kudala ukuhamba okuqhubekayo kwenzipho yensimbi, okuyinzuzo enkulu uma kuqhathaniswa nokukhanda.
Inqubo Yokucubungula Ngomshini
Ngemuva kokubumba, i-sheave blank idlula ekucubungulweni okunembayo ukuze ihlangabezane nezidingo zokugcina zobukhulu.
Ukucubungula okujwayelekile kufaka phakathi:
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ukujika ububanzi bangaphandle
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ukucubungula imbobo emaphakathi
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ukucubungula indawo yokubeka ibheringi
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ukucubungula imbobo yentambo (uma kudingeka)
Lezi zinhlelo ziqinisekisa ukufakwa okulungile nokusebenza kahle ezinhlelweni zokuphakamisa.
Ukwelashwa Ngokushisa (Ongakukhetha)
Ngokuya ngezidingo zokusetshenziswa, ama-sheave abumbwe angase adlule ekwelashweni okwengeziwe ngokushisa ukuze kuthuthukiswe kakhulu izakhiwo zemishini.
Lokhu kungafaka:
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ukupholisa
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ukuncibilikisa
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ukuqiniswa kobuso
Lezi zinqubo zithuthukisa ukumelana nokuguga futhi zandise impilo yesevisi.
Izinzuzo Zama-Sheave Okukhuphula Imishini Ayenziwe Ngokubumba
Ama-sheave okukhuphula imishini enziwe ngokubumba ahlinzeka ngezinzuzo ezimbalwa ezibalulekile uma kuqhathaniswa nama-sheave akhandiwe noma ajwayelekile.
Amandla Aphezulu
Ukubumba kuthuthukisa ukwakheka kwama-grain angaphakathi, okuholela emandleni omshini aphezulu kakhulu.
Ukuqina Okungcono Kokuphuka
Ukwakheka okuminyene kuvumela ama-sheave abunjiwe ukuthi akwazi ukumelana nemithwalo esindayo kanye namandla okushaqeka.
Ukuqina Okuthuthukisiwe Kwama-Fatigue
Ama-sheave akhiyiwe enza kangcono ngaphansi kwemithwalo ephindaphindayo, okwenza alungele ukukhuphula izinto ezisindayo.
Impilo Yesevisi Engeziwe
Ngenxa yesakhiwo sawo esithuthukisiwe nokuqina, ama-sheave akhiyiwe avame ukuba nempilo yesevisi ende.
Ukuthembeka Okuphezulu
Izingxenye ezakhiyiwe azinakho ukukhubazeka kwangaphakathi, okuthuthukisa ukuphepha okuphelele.
Izicelo
Ama-sheave akhiyiwe ezindiza (cranes) asetshenziswa kabanzi ku:
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izindiza ezisindayo zamabhuloho
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izindiza zamagalaji
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imishini yokumba
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imishini yamachweba
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sistimu zokukhuphula izinto ezisindayo
Lezi zicelo zidinga amandla aphezulu nokuthembeka kwesikhathi eside.
Isiphetho
Inqubo yokukhanda i-crane sheave ihlinzeka ngezimfanelo eziphakeme zemishini nokuqina uma kuqhathaniswa nezinye izindlela zokukhiqiza.
Ngamandla ayo aphezulu, ukumelana okuhle kakhulu nokukhathala, nokuphila isikhathi eside, i-crane sheave ekhandiwe iyisinqumo esifanele izicelo zokukhuphula ezidingekayo.