Emashumini eminyaka, imboni yokukhiqiza amabhlokhi kakhonkolo ibithembele ezinqubweni ezenziwa ngesandla kanye nemishini ephelelwe yisikhathi ekhipha umkhawulo, yandisa imfucuza, futhi yadala izingqinamba. Namuhla, i-paradigm isishintshile. Umshini wesimanje wokwenza amabhulokhi uhlanganisa ubunjiniyela obunembayo, amandla asebenza ngamanzi, kanye ne-automation yesikhathi sangempela ukuze uguqule imigqa yokukhiqiza ibe imisebenzi ephumelelayo, eyongayo. E-Quangong Machinery Co., Ltd., sibonile ukuthi imishini yesizukulwane esilandelayo inciphisa kanjani izikhathi zomjikelezo ngo-40%, inciphisa ukuncika kubasebenzi, futhi ilethe ikhwalithi yebhulokhi engaguquki ehlangabezana nezindinganiso zamazwe ngamazwe. Ukusebenza kahle akusamayelana nesivinini kuphela—kumayelana nokongiwa kwamandla, ukunakekela okubikezelwayo, nokuhlanganiswa okungenamthungo namasistimu akhuphuka nomfula.
Lo mhlahlandlela obanzi, owenziwe kusukela emashumini amabili eminyaka obuholi bemboni, ungena ujule emisha yezobuchwepheshe echaza ukukhiqizwa kwebhulokhi yesimanje. Sizobheka indlela yethuUmshini wokwenza amabhlogo we-QGMisebenzisa ama-hydraulic athuthukisiwe, ubuchwepheshe bokudlidliza, nezinkundla zokulawula ezihlakaniphile ukuletha ukusebenza kahle okungenakuqhathaniswa. Kungakhathaliseki ukuthi uthuthukisa indawo ekhona noma wakha isitshalo esisha, ukuqonda lezi zishayeli ezisebenza kahle kuzokusiza wandise i-ROI, unciphise i-carbon footprint, futhi uhlale uncintisana emakethe enenkani. Ake sehlukanise amapharamitha abalulekile, idatha yomhlaba wangempela, kanye nezimpendulo zemibuzo ecindezela kakhulu emayelana nemishini yesimanje yamabhulokhi.
Ukuvela kwemishini yamabhulokhi evamile kuya kumasistimu esimanje, azenzakalelayo ngokuphelele kuncike ekuhlanganeni kwempumelelo yobunjiniyela. Imboni yethu isichithe iminyaka icwenga lobu buchwepheshe ukuze kuqinisekiswe ukuthi umshini ngamunye wokwenza amabhulokhi e-QGM uletha izinzuzo ezilinganisekayo. Ngezansi sihlukanisa izinsika zobuchwepheshe ezichaza kabusha ukukhiqiza.
Ngokungafani nokudlidliza okumile noma okuphansi, imishini yesimanje isebenzisa ama-eccentric vibrators aqhutshwa yi-servo akhiqiza amaza angaphezu kuka-85 Hz. Lokhu kufeza ukuminyana ngokushesha ngokuqukethwe usimende omncane kuyilapho kugcinwa amandla aluhlaza aphakeme. Umphumela: amabhulokhi anganqwabelaniswa ngokushesha, kuncishiswe izimfuneko zendawo yokwelapha futhi kusheshise ukuphumela obala. Embonini yethu, amapharamitha okudlidliza ayalungiseka nge-HMI, okuvumela opharetha ukuthi bashintshe phakathi kwamabhulokhi aqinile, amabhlogo angenalutho, namaphevu ngaphandle kokulungiswa kabusha komshini.
Ukusebenza kahle kweHydraulic kuhlobana ngokuqondile nokusetshenziswa kwamandla kanye nesivinini somjikelezo. Amasistimu esimanje asebenzisa ama-valve alinganayo, amaphampu azwa ukulayisha, namasekhethi e-accumulator anciphisa amandla angasebenzi aze afike ku-35%. Umshini wethu wokwenza ibhulokhi le-QGM uhlanganisa isistimu ye-hydraulic yamaphampu ekabili evumelanisa ukudlidliza kwesikhunta namandla okucindezela, ukusika izikhathi zomjikelezo zibe phansi njengemizuzwana eyi-12-15 pallet ngayinye kumabhulokhi ajwayelekile.
Ukuhambisana kwemboni 4.0 kuguqula idatha ibe imininingwane esebenzayo. Amasistimu ethu afaka izilawuli ze-Siemens noma ze-Beckhoff eziqapha amapharamitha esikhathi sangempela—i-amplitude yokudlidliza, izinga lokushisa likawoyela we-hydraulic, umswakama wezinto ezingavuthiwe—kanye nokuzilungisa ngokuzenzakalela ukuze kugcinwe ukungaguquguquki. Ukuxilongwa kwesilawuli kude kuvumela ithimba lethu lesevisi ukuthi lihlole ukwehluleka, liqinisekisa ukuthi isikhathi sihlala singaphezu kwama-95% ngisho nasezintweni ezingama-24/7.
Isikhathi sokuphumula phakathi kokushintshwa komkhiqizo kubulala ukusebenza kahle. Imishini ethuthukisiwe ihlanganisa ukugoqa isikhunta se-hydraulic nezindlela ezikhishwa ngokushesha. Ukushintsha ukusuka kubhulokhi engama-intshi angu-6 ukuya ku-8-intshi kuthatha ngaphansi kwamaminithi angu-8 uma kuqhathaniswa nezinguquko ezenziwa ngesandla zemizuzu engu-45. Lokhu kuvumelana nezimo kunikeza abakhiqizi amandla okwenza amaqoqo amancane ngaphandle kokudela i-OEE (Ukusebenza Kwezisetshenziswa Kuphelele).
Ukukhombisa ukuphakama kobuchwepheshe, nansi imingcele enemininingwane yochungechunge lwethu lomshini wokwenza amabhulokhi we-QGM ohamba phambili. Lezi zicaciso ziwumphumela wedatha engaphezu kwamashumi amabili eminyaka kanye ne-R&D eqhubekayoInkampani Inkampani Quangong Machinery Co., Ltd.
| Ipharamitha | Ukucaciswa (QGM Super 10 Series) |
| Usayizi Wephalethi (mm) | 1200 x 1000 / 1400 x 1100 |
| Isikhathi Somjikelezo (ibhulokhi evamile) | 12 – 16 imizuzwana |
| I-Hydraulic Pressure (MPa) | 21-25 |
| I-Vibration Force (kN) | 95 – 125 (servo-electric) |
| Amandla Afakiwe Aphelele (kW) | 85 – 160 (energy-optimized) |
| Isistimu yokulawula | I-Siemens S7-1500 enemojuli ye-IoT ekude |
| Isikhathi Sokushintsha Isikhunta | ≤ 8 amaminithi (i-automatic clamping) |
| Amandla okukhiqiza (ukushintsha kwe-8h) | 12,000 - 18,000 amabhulokhi ajwayelekile (400x200x200mm) |
| Izinga Lomsindo (dB) | < 82 (idekhi yokudlidliza evalelwe) |
Lezi zibalo aziyona nje ithiyori. Embonini yethu, senza ukuhlolwa kokubekezela okuqinile ukuze siqinisekise ukuthi umshini ngamunye wokwenza amabhulokhi e-QGM uletha ukusebenza kahle okungaguquki ngisho nasezindaweni ezidingeka kakhulu. Ngokuhlanganisa lobu buchwepheshe, abakhiqizi ngokuvamile behlisa izindleko zikagesi ngebhulokhi ngayinye ngama-22% kanye nezindleko zabasebenzi cishe ngama-50% uma kuqhathaniswa nezinye izindlela ezizenzakalelayo.
Isikhathi somjikelezo-inkathi kusukela ekuphakeleni kwempahla eluhlaza ukuya ekukhishweni kwebhulokhi eqediwe-ukushaya kwenhliziyo kokusebenza kahle kokukhiqiza. Imishini yesimanje yokwenza amabhulokhi isebenzisa amaketanga aphelele ezishintshayo avumelanisa yonke inqubo encanyana, esusa ukungenelela okwenziwa ngesandla nokunciphisa izikhawu zokungenzi lutho. Okuhlangenwe nakho kwethu e-Quangong Machinery Co., Ltd. kubonisa ukuthi isistimu ezenzakalelayo elungiselelwe kahle ingakhuphula umkhiqizo ngo-70% uma iqhathaniswa nemigqa yezandla noma i-semi-automatic, kuyilapho ngesikhathi esifanayo ithuthukisa ukufana komkhiqizo.
Ukusebenza kwangempela kuvela endleleni ephelele. Amasistimu ethu ahlanganisa:
Imboni yethu iklama umugqa ngamunye wokukhiqiza njengohlelo lwendalo oluhlangene. AUmshini wokwenza amabhlogo we-QGMihlanganisa ngokungenamthungo namasistimu erack elaphayo azenzakalelayo kanye nemigqa yokupakisha, okusho ukuthi ngisho nalapho kukhiqizwa imikhiqizo eyinkimbinkimbi njengamaphevu axhumene, isamba esiphelele sihlala siphezulu.
Imishini evamile isebenza ngokulandelana: okuphakelayo, ukudlidliza, cindezela, khipha, bese ulinda ukubuya kwephalethi. Imishini yesimanje, nokho, idlula ukusebenza. Ngenkathi umshini wokunyathelisa oyinhloko uhlanganisa inqwaba, i-feeder isivele idose kusengaphambili ingxube elandelayo, futhi isibambi sephalethi silungiselela ibhodi elilandelayo. Lokhu kunciphisa isikhathi somjikelezo esisebenzayo ngokufika ku-40%. Ngezansi ukuhlukaniswa kokuthuthukiswa komjikelezo:
Ngaphezu kwalokho, imishini yesimanje ihlanganisa izindlela zokupheka eziningi. Umshini wethu wokwenza amabhulokhi e-QGM ungagcina amaresiphi emikhiqizo efika kwangu-200, uvumele opharetha ukuthi bashintshe phakathi kwamabhulokhi angenalutho, amabhulokhi aqinile, namatshe onqenqema ngemizuzwana ngaphandle kokulungiswa kwemishini. Lokhu kushesha kunciphisa isikhathi sokuphumula futhi kuvumela ukukhiqizwa okufika ngesikhathi, ukunciphisa izindleko ze-inventory.
E-Zenith, sisebenzise amadeshibhodi e-Industry 4.0 ahlinzeka ngamamethrikhi abukhoma we-OEE (Ukusebenza Kokusebenza Konke Kwezisetshenziswa). Amaklayenti avame ukubika ukuthi ngemva kokuthuthukela kumasistimu ethu azenzakalelayo ngokugcwele, ukuphuma kwawo kukhuphuke kusuka kumabhulokhi angu-6,000 kuya kumabhulokhi angaphezu kuka-15,000 anabasebenzi abafanayo. Inhlanganisela yezikhathi zomjikelezo ezincishisiwe, iphutha lomuntu elincishisiwe, nokusebenza okuqhubekayo kwenza okuzenzakalelayo kube negalelo elikhulu ekusebenzeni kahle kokukhiqiza kwesimanje.
Ama-Hydraulics ayimisipha yanoma yimuphi umshini wokwenza amabhulokhi, kodwa amasistimu aklanywe kabi aholela ekumoshweni kwamandla, ukucinana okungaguquki, kanye nokuvalwa njalo kokulungisa. Ngokuphambene, isekethe ye-hydraulic eyenziwe ngokunemba iqinisekisa ukuthi ibhulokhi ngayinye ithola amandla okucindezela afanayo, kungakhathaliseki isivinini sokukhiqiza noma izimo ezizungezile. Iminyaka engamashumi amabili, imboni yethu iye yacolisa izakhiwo ze-hydraulic ukuze kuzuzwe ukungaguquguquki nokuthembeka okuhamba phambili embonini. Nakhu ukuthi kungani kubalulekile ekusebenzeni kahle.
Amasistimu avamile wamanzi asebenza kumaphampu angaguquki, abangela ukulahlekelwa amandla ngezikhathi zokungenzi lutho. Umshini wesimanje wokwenza amabhulokhi e-QGM usebenzisa amaphampu e-axial piston aguquguqukayo ahlanganiswe nobuchwepheshe bokuzwa ukulayisha. Lokhu kunciphisa ukusetshenziswa kwamandla kufika ku-38% uma kuqhathaniswa namamodeli amadala. Ukwengeza, izipholile zikawoyela ezinkulu ezinolawulo lwe-thermostatic zigcina amazinga okushisa okusebenza phakathi kuka-45-55°C, zigcina ukuphila kwezimpawu kanye ne-viscosity kawoyela. Ukukhiqiza ukushisa okuphansi nakho kunciphisa amandla okupholisa, kudala inzuzo ehlanganisayo yokusebenza kahle.
Ukuminyana kwebhulokhi okungaguquki nokunemba kwe-dimensional kuncike kumfutho we-hydraulic ophindaphindwayo. Uhlelo lwethu lokucindezela olunamasilinda amabili lusebenza kufika ku-25 MPa nempendulo yendawo (ama-linear transducer) aqinisekisa ukuthi isibhakela esingaphezulu siyama ngobude obufana ncamashi nawo wonke umjikelezo. Lokhu kuqeda ukuhlukahluka kobude be-block futhi kunciphisa imfucuza. Izinga lokwenqaba kumasayithi ajwayelekile liyehla lisuka ku-3–5% liye ngaphansi kuka-0.8% ngemva kokwamukela isistimu yethu ye-hydraulic.
Isikhathi sokuphumula sokulungiswa kwe-hydraulic singakhubaza ukukhiqizwa. Imiklamo yethu ihlanganisa ukuphindaphindeka okufinyeleleka kalula, izimbobo zokuhlola ngokushesha, nezinto ezimelana nokungcola (ISO 4406 class 18/16/13). Siphinde futhi sinikeze izexwayiso zokubikezela zokulungisa—uma ingcindezi yokuhluka kwesihlungi ikhuphuka, isistimu yokulawula yazisa opharetha. Embonini yethu, sivivinya iyunithi ngayinye yamandla we-hydraulic amahora angama-72 ngaphansi komthwalo olingisiwe ukuze siqinisekise ukusebenza okungavuzi. Amakhasimende ethu abika ukuthi isikhathi sokuphumula esihlobene ne-hydraulic senza ngaphansi kuka-1% wesikhathi esiphelele sokukhiqiza minyaka yonke.
Ukuze uthole ukuqhathanisa okusheshayo, nakhu ukubheka amapharamitha abalulekile we-hydraulic kuzo zonke izizukulwane zomshini:
Ngalezi ntuthuko, abakhiqizi abazuzi nje kuphela umkhiqizo ophezulu kodwa futhi nokwehliswa okukhulu kwezindleko zokusebenza. Kungumfanekiso ocacile wokuthi ubuchwephesha be-hydraulic buhumusha kanjani ngqo ekwenzeni inzuzo.
Esikhathini sokukhiqiza okuhlakaniphile, umshini wokwenza amabhulokhi ngaphandle kokulawula okuhlakaniphile ufana ne-smartphone engenazo izinhlelo zokusebenza—iyasebenza kodwa ikude nokulunga. Kwa-Quangong Machinery Co., Ltd., sishumeka izilawuli ezihlakaniphile ezenza okungaphezu nje kokugijima ngokulandelana; bayahlaziya, bazivumelanise, futhi babikezele. Lesi sigaba silinganisa izinzuzo ezisebenza kahle ezilethwa ukwakheka kwethu okuthuthukisiwe kokulawula, okusekelwe idatha yangempela evela ekufakweni emhlabeni wonke.
Umshini wethu wokwenza ibhulokhi le-QGM usebenzisa i-algorithm esizwa yi-AI eqapha imvamisa yokudlidliza, umfutho we-hydraulic, kanye nomswakama wezinto ezibonakalayo ngesikhathi sangempela. Uma ukuxuba kuba manzi kancane ngenxa yesimo sezulu, isistimu ilungisa ngokuzenzakalelayo ubude besikhathi sokudlidliza ukuze igcine ukuminyana okuphelele. Le logic eguquguqukayo iqinisekisa amandla okuvimba angaguquki (imvamisa angu-10–15% aphezulu amandla e-C28) futhi inciphisa ukusetshenziswa ngokweqile kukasimende. Amaklayenti avame ukonga u-8–12% ezindlekweni zezinto ezingavuthiwe phakathi nezinyanga ezintathu zokuqala.
Ukusebenza kahle nakho kuvela ekunciphiseni isikhathi sokuphumula. Inkundla yethu ye-iQGM esekelwe emafini ivumela abaphathi bezitshalo ukuthi baqaphe ama-KPI okukhiqiza—njengomjikelezo ngehora, ukusetshenziswa kwamandla ngebhulokhi ngayinye, nomlando we-alamu—kusuka kunoma iyiphi idivayisi. Uma kutholwa okudidayo, isistimu ikhiqiza umbiko wokuxilonga, futhi onjiniyela bethu besevisi bangakwazi ukushuna kahle amapharamitha bekude. Lokhu kunciphisa isilinganiso sesikhathi sokulungisa (MTTR) sisuka esilinganisweni somkhakha samahora angu-8 siye ngaphansi kwamahora angu-2.
Izilawuli ezihlakaniphile zinikeza ukulandelela amandla ayimbudumbudu. Isibonelo, singahlukanisa ukusetshenziswa kwamamotho wokudlidliza, amaphampu adonsa amanzi, kanye namaconveyors. Amakhasimende ethu asebenzisa le datha ukuhlela ukukhiqizwa ngesikhathi sentela kagesi engekho ezingeni eliphakeme, okuqhubeka nokunciphisa izindleko kufika ku-18%. Ngezansi ukuhlaziywa kwamandla okuqhathanisayo:
Ngaphezu kwalokho, isistimu yokulawula ifaka izikhawu zokulungisa ezivimbelayo—ukuthambisa, izinguquko zesihlungi, nokulinganiswa kokudlidliza—ukuze kungabikho sevisi ehleliwe egejayo. Imboni yethu iqeqesha ochwepheshe bamakhasimende ngamamanyuwali asizwa yi-AR, iqinisekisa ukujwayela kwesistimu ephezulu kanye nokuxazulula izinkinga ngokushesha. Umphumela uba indawo yokukhiqiza lapho ukusebenza kahle kungafinyelelwa kuphela kodwa kuqhubeke iminyaka.
Ngalezi zici ezihlakaniphile, umshini wokwenza ibhulokhi le-QGM uba ngaphezu kwemishini; iba yimpahla yamasu evumelana nezimfuno zemakethe kuyilapho ithuthukisa zonke izisetshenziswa. Kubakhiqizi abahlose ukukala, inhlanganisela yokuzenzakalela, ukunemba kwe-hydraulic, nokulawula okuhlakaniphile kudala umsele wokuncintisana amasistimu wefa angeke afane nawo.
Njengoba sesihlolile, impendulo yokuthi “umshini wesimanje wokwenza amabhulokhi uthuthukisa kanjani ukusebenza kahle kokukhiqiza” ilele ekuhlanganiseni kokudlidliza kwemvamisa ephezulu, ama-hydraulic ahlakaniphile, i-automation ehlakaniphile, nezilawuli ezishayelwa idatha. Lobu buchwepheshe busebenza ngekhonsathi ukunciphisa izikhathi zomjikelezo, ukunciphisa ukumosha, ukusetshenziswa kwamandla okuphansi, nokwandisa ukusebenza kahle kwemishini yonke. Kwa-Quangong Machinery Co., Ltd., sizinikele iminyaka engaphezu kwengu-20 ezixazululweni zobunjiniyela ezinikeza abakhiqizi amandla okuhlangabezana nezidingo ezikhulayo zokwakha ngaphandle kokunyuka okulinganiselwe kwezindleko noma abasebenzi.
Imboni yethu iyaqhubeka nokusungula izinto ezintsha—ihlanganisa ukubikezela kwekhwalithi eshayelwa yi-AI kanye nezinhlelo ezisimeme zokuthola amandla kabusha—ukuqinisekisa ukuthi wonke umshini wokwenza amabhulokhi e-QGM uhlala uphambili kumazinga embonini. Kungakhathaliseki ukuthi ufuna ukuthuthukisa ulayini osuvele ukhona noma ukwakha isitshalo esizisebenzela ngokugcwele kusukela ekuqaleni, ithimba lethu lihlinzeka ngosekelo olusuka ekugcineni ukuya ekupheleni: ukusuka ekwakhiweni kwesakhiwo ukuya ekuqeqeshweni ngemva kokuthengisa. Umphumela uwukuthuthuka okulinganisekayo emgqeni wakho ophansi kanye nokwehliswa okukhulu kwe-carbon footprint ibhulokhi ngayinye ekhiqizwayo.
Ulungele ukuguqula ukusebenza kahle kwakho kokukhiqiza? Xhumana ne-Quongong Machinery Co., Ltd. namuhlaukuhlela ukubonisana. Ochwepheshe bethu bazohlaziya ukusethwa kwakho kwamanje, banikeze isibikezelo se-ROI esenziwe ngokwezifiso, futhi babonise ukuthi umshini wethu wokwenza amabhulokhi we-QGM ungawaphakamisa kanjani amandla akho okukhiqiza. Sakhe ikusasa elisebenza kahle kakhulu ndawonye.
I-Q1: Umshini wokwenza amabhulokhi wesimanje unciphisa kanjani izindleko zamandla uma kuqhathaniswa namamodeli wendabuko?
Imishini yesimanje ihlanganisa amadrayivu ashintshashintshayo, ama-hydraulic azwa ukulayisha, kanye nezinhlelo zokudlidliza ze-servo ezidla amandla kuphela lapho kudingeka. Isibonelo, umshini wethu wokwenza amabhulokhi e-QGM wehlisa amandla angasebenzi ngokusebenzisa imodi yokulinda phakathi nezinguquko zephalethi. Ngokwesilinganiso, ukusetshenziswa kwamandla ngebhulokhi ngayinye kwehla ukusuka ku-2.1 kWh kuya ku-1.35 kWh, okuhumushela ezinkulungwaneni zamadola ekongeni konyaka. Ukwengeza, abalawuli abahlakaniphile bangahlela ukukhiqiza ngesikhathi samafasitela entela engekho phezulu, okuqhubeka nokunciphisa izindleko zikagesi.
I-Q2: Iyiphi ishejuli yokulungisa edingekayo ukuze ugcine umshini wokuvimba osebenza kahle kakhulu usebenza ngokusebenza okuphezulu?
Ukugcinwa okujwayelekile kuhilela ukuhlaziya uwoyela we-hydraulic njalo emahoreni ayizi-2,000, ukugcoba kwenjini yokudlidliza njalo ngamahora angama-500, nokuhlolwa kokugqoka kwesikhunta. Imboni yethu ihlinzeka ngemojula yokubikezela yokulungisa ngaphakathi kwe-PLC eyazisa opharetha lapho izihlungi zidinga ukushintshwa noma lapho ukulinganisa kufanele. Ngenxa yokuthi imishini yesimanje yakhiwe ngezinto zokuzihlola ngokwayo kanye nezinto ezingagugi (i-hardox steel liners, ama-tungsten-carbide vibration pads), isikhathi sokuphumula esingahleliwe sincishiswa ngaphezu kuka-60% uma kuqhathaniswa namasistimu amadala. Ngokuqapha okufanele, umshini wokwenza ibhulokhi le-QGM ngokuvamile uzuza ukutholakala kokusebenza okungu-98%.
Q3: Ingabe umshini wesimanje wokwenza ibhulokhi ungaphatha izinhlobo eziningi zemikhiqizo ngaphandle kokudela ukusebenza kahle?
Nakanjani. Idizayini ye-modular kanye nesistimu yokubumba eshintsha ngokushesha ivumela ukushintsha komkhiqizo ngaphansi kwemizuzu eyi-10. Umshini wethu wokwenza ibhulokhi le-QGM ugcina amaresiphi emikhiqizo ehlukene engaphezu kuka-200—kusuka kumabhulokhi kakhonkolo ajwayelekile kuya kumapavu, amabhulokhi angenalutho, namatshe omgwaqo—futhi ulungisa ngokuzenzakalelayo imvamisa yokudlidliza, amandla okucindezela, nesivinini sokukhumula ngakunye. Lokhu kuvumelana nezimo kwenza abakhiqizi bakwazi ukuphendula isidingo semakethe ngaphandle kokumiswa kolayini. Ukusebenza kahle kugcinwa ngenxa yokuthi isistimu ye-servo yomshini ilinganisa ngokuzenzakalelayo, iqinisekisa ukuthi izikhathi zomjikelezo zihlala zingaguquki kungakhathaliseki ukuthi i-geometry yomkhiqizo.
I-Q4: Iyini imbuyiselo evamile ekutshalweni kwezimali (ROI) lapho uthuthukela emshinini wokwenza ibhulokhi ozenzakalelayo?
Ngokusekelwe kudatha evela kufekthri yethu kanye namakhasimende omhlaba, isikhathi se-ROI somshini wokwenza amabhulokhi we-QGM ozishintshayo ngokugcwele ngokuvamile siyizinyanga eziyi-12 kuya kweziyi-18. Lokhu kuqhutshwa ukuncishiswa kwabasebenzi (kufika ku-60% wabaqhubi abambalwa), ukonga izinto ezibonakalayo (ukuncipha kukasimende ngo-8-12% ngenxa yokuminyana okuphakeme), kanye nokwanda komkhiqizo (ngokuvamile ngo-2.5x ngaphezulu kweshifu ngayinye). Ukwengeza, ikhwalithi yebhulokhi ethuthukisiwe ivumela abakhiqizi ukuthi balawule amanani entengo ezimakethe ezifuna amandla aphezulu, imikhiqizo enobukhulu obunembile. Amakhasimende amaningi abona imbuyiselo phakathi nonyaka wokuqala futhi ajabulela iminyaka engu-5+ yenzuzo eyengeziwe.
I-Q5: Ukuqoqwa kwedatha yesikhathi sangempela emshinini kunomthelela kanjani ekusebenzeni kahle kokukhiqiza?
Idatha yesikhathi sangempela iyisisekelo sokuthuthuka okuqhubekayo. Imishini yesimanje efana ne-QGM block yethu eyenza umshini udlulise amamethrikhi okukhiqiza—izikhathi zomjikelezo, izizathu zesikhathi sokuphumula, ukusetshenziswa kwamandla, namazinga okukhubazeka—kudeshibhodi emaphakathi. Abaphathi bezitshalo bangakwazi ukukhomba izingqinamba, balungise amashejuli amashifu, futhi basebenzise izinqubo zokukhiqiza ezingenasisekelo. Ngokwesibonelo, uma umshini uhamba kancane ngezikhathi zantambama, idatha ingase ibonise ukwehla kancane kwezinga lokushisa likawoyela we-hydraulic; izinyathelo zokulungisa zibe sezithathwa ngokuqhubekayo. Le ndlela eqhutshwa idatha ngokuvamile ikhiqiza inzuzo ekhulayo engu-12–18% ngaphezu kokuthuthukiswa kokuzenzakalela okuyisisekelo.