29
2024
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09
Mayelana nenani lamathuluzi okumba amatshe
EShayina yasendulo, inganekwane yeNdoda Eyisiwula Enyakazayo Izintaba ikhombisa umoya ongenakunqotshwa wokuphikelela ngomzamo omncane futhi ozinzile.
Lapho isintu singena ekhulwini le-18, iNguquko YokuQala Yezimboni ayizange nje ilethe izinguquko kwezobuchwepheshe kodwa futhi nenguquko ejulile yezenhlalo, ingenisa inkathi lapho imishini yaqala khona ukushintsha umsebenzi wezandla. Kusukela lapho, imboni yokumba amatshe kanye nokumba iye yathuthukela ezindleleni ezisheshayo, ezihlala isikhathi eside, nezisebenza kahle. Phakathi nale nqubo, amafomu ahlukahlukene entambo okuxhumana kwenduku yokubhola, okuhlanganisa imicu evamile ye-API kanye nemicu ye-trapezoidal emise okwegagasi, yathuthukiswa.
Izimiso zokusebenza zale micu ziyehluka, okuholela ezidingweni ezahlukene. Uchwepheshe ophezulu wezobuchwepheshe embonini yokumba uxoxisane esidlangalaleni ngemicu ye-roller-cone drill rods kanye nezinduku zokubhola eziphezulu zesando. Imibono enikezwayo ibaluleke kakhulu kangangokuthi kuthiwa ibaluleke ngaphezu kweminyaka eyishumi yokufunda.
Izingcezu ze-petroleum roller-cone zisebenza ngokuzungezisa nokuchoboza idwala, ngama-drill rods kusetshenziswa imicu evamile ye-API. Lezi zintambo zithwala kuphela i-axial thrust, amandla e-torsional, namandla athile okuthinta, ngaphandle kokudlulisa amandla omthelela kumzimba wenduku. Imicu evamile ye-API yakhelwe ngokuyinhloko ukuxhuma, ukubopha, nokuvala, okuholela ekusetshenzisweni kwamandla okuncane kanye nokushisisa ngokweqile okunganaki.
Ngokuphambene, izinti zokubhoboza isando eziphezulu ngokuvamile zisebenzisa imicu emise okuka-R noma emise okuka-T. Amandla asuka ku-hydraulic rock drill adluliswa ngenduku ukuya endaweni yokubhoboza, okuholela ekulahlekeni kwamandla okubalulekile njengokushisa ekuxhumekeni kwentambo, amazinga okushisa angaba ngaphezu kuka-400°C. Uma ngabe izintambo ezijwayelekile ze-API bezisetshenziselwa izinti eziphezulu zesando, ngeke nje zingasebenzi kahle ekudluliselweni kwamandla, kodwa zingase zihlupheke ngenxa yokuguguleka, okwenza kube nzima ukuqaqa izinsimbi zokubhoboza futhi kuthinte kakhulu ukusebenza kahle kokwakhiwa kanye nezindleko ezikhulayo.
Ngawo-1970 kanye nama-80s, ucwaningo olubanzi lwenziwa ochwepheshe bakwamanye amazwe emiculweni esetshenziswa ezintini zokubhoboza isando eziphezulu, kucatshangelwa imicu emise okwegagasi, eyinhlanganisela, ehlanekezelayo, i-FL, ne-trapezoidal. Kufinyelelwe esiphethweni sokuthi izintambo ezimise okwegagasi zifanele izinduku ezinobubanzi obungaphansi kuka-38 mm, kuyilapho imicu ye-trapezoidal ifaneleka kakhulu ezindongeni ezinobubanzi obuphakathi kuka-38 mm no-51 mm.
Ekhulwini lama-21, ngobubanzi obandayo bezingcezu zesando eziphezulu nokucatshangelwa kwamandla ezimpande zomucu, izinkampani ezihlukene zamathuluzi okumba zithule izinhlobo ezintsha zentambo ezifana ne-SR, ST, ne-GT ngocwaningo oluqhubekayo nokuthuthukiswa.
Kafushane, phakathi nenqubo yokumba amatshe, ukuxhunywa kwentambo phezu kwezinduku zokubhola isando kungenye yezindawo eziyinhloko zokusetshenziswa kwamandla kanye nesici esikhulu ekuhlulekeni kwenduku yokuqala yokubhola.
Njengoba ubuBuddha bufundisa, "imvelaphi encikile ayinalutho, futhi umuntu akufanele abambelele kunoma iyiphi indlela eyodwa." Ngokuthuthuka okuqhubekayo kwesayensi nobuchwepheshe, kufanelekile ukuzindla ukuthi amafomu entambo asetshenziswa njengamanje ayisixazululo esingcono kakhulu nesokugcina sokuxhunywa embonini yokumba ama-hydraulic.
IZINDABA EZIHLOBANE
Inkampani Zhuzhou Zhongge Cemented Carbide Co., Ltd.
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