I. Ukubaluleka Kokukhetha Amaketanga Nama-Hackle Afanele
Emafektri kasimende, ama-lifti amabhakede abalulekile ekuthuthweni kwezinto ezisindayo nezirhabaxa njenge-clinker, i-limestone, kanye ne-simende ziqonde phezulu.Amaketanga nezikhonkwane eziyindilingazinokucindezeleka okukhulu kwemishini, okwenza ukuklama kwazo kanye nokulawulwa kwekhwalithi yokukhiqiza kubalulekile ukuze kuphumelele ukusebenza. Nasi isizathu sokuthi ukukhetha izingxenye ezifanele kubalulekile nokuthi i-SCIC ibhekana kanjani nalokhu:
1. Amandla Okuthwala Imithwalo:Amaketanga namaketangakumele imelane nemithwalo ephezulu yokudonswa kanye nemithelela yokushaqeka evela ekunyakazeni okuqhubekayo kwebhakede. Izingxenye ezingaphansi kwezinga elifanele zibeka engcupheni yokwehluleka okungazelelwe, okuholela ekungasebenzini kwesikhathi, ezingozini zokuphepha, kanye nokulungiswa okubizayo. Ukunamathela kwe-SCIC ezindinganisweni ze-DIN kuqinisekisa ukuthi imikhiqizo yethu ihlangabezana nezidingo zamandla ezidingekayo, njengamandla okuphuka acacisiwe angu-280–300 N/mm².
2. Ukumelana Nokuguguleka: Uhlobo lokuguguleka kwezinto zikasimende lusheshisa ukuguguleka kwezingxenye ze-lifti. Amaketanga aqiniswe nge-case (kufika ku-800 HV) kanye nama-shackle (kufika ku-600 HV) ahlinzeka ngendawo eqinile yokumelana nokuguguleka, kuyilapho kugcinwa ukuqina kwengaphakathi ukuvimbela ukuqhekeka. Inqubo eqondile ye-SCIC yokufaka i-carburizing ifinyelela ubukhulu be-carburizing obuceliwe obungu-10% kanye nokujula kokuqina okusebenzayo okungu-5-6%, okuqinisekisa ukusebenza kwesikhathi eside.
3. Ukuthobela Izindinganiso: Ukuthobela i-DIN 764, i-DIN 766, i-DIN 745, kanye ne-DIN 5699 kuqinisekisa ukuthiamaketanga nezibophoukuhlangabezana nezilinganiso zemboni zobukhulu, izakhiwo zezinto ezibonakalayo, kanye nokuthembeka. Ubuchwepheshe be-SCIC ekuhlangabezaneni nalezi zindinganiso buqinisekisa ikhwalithi ehambisanayo efanelana nezicelo ezisindayo.
4. Ukulawulwa Kwekhwalithi Yokukhiqiza: Ukulawulwa kwekhwalithi okuqinile kwe-SCIC—kusukela ekukhetheni izinto kuya ekuhlolweni kokugcina—kunciphisa amaphutha futhi kuqinisekisa ukunemba kobukhulu, ubulukhuni, kanye namandla. Leli khono linciphisa amathuba okwehluleka ngaphansi kwezimo ezinzima zezimboni zesimende.
Ukukhetha okulungileamaketanga nezibophoKubalulekile ekusebenzeni kahle nasekuphepheni kwama-lifti akho ebhakede. Kwa-SCIC, imikhiqizo yethu yaklanywa futhi yakhiqizwa ukuze ihlangabezane namazinga e-DIN aqinile, okuqinisekisa ukuthi ingakwazi ukumelana nemithwalo esindayo nezinto ezihudulayo ezivamile ezimbonini zesamente. Ngokulawula kwethu ikhwalithi okuqinile, ungathemba ukuthi amaketanga ethu namaketanga azohlinzeka ngokusebenza okuthembekile, kuncishiswe ingozi yokwehluleka okungalindelekile kanye nezindleko zokulungisa.
II. Ukulinganisela Ubulukhuni Nokuqina Ngesikhathi Sokukhiqiza
Ukufeza ubulukhuni bomphezulu obuchazwe yiklayenti (800 HV yamaketanga, 600 HV yamaketanga), ubukhulu be-carburizing (10% yobubanzi besixhumanisi), ukujula kobulukhuni okusebenzayo (550 HV ku-5–6% yobubanzi), kanye namandla okuphuka (280–300 N/mm²) kudinga ibhalansi ecophelelayo phakathi kobulukhuni namandla. Nansi indlela i-SCIC ekwenza ngayo lokhu ngokukhetha izinto, ukwelashwa kokushisa, kanye ne-carburizing:
Izinqubo Eziyinhloko Zokukhiqiza
1. Ukukhethwa Kwezinto:Izinsimbi ezinekhabhoni ephezulu noma i-alloy zikhethwa ngenxa yekhono lazo lokusabela ekushiseni nasekucimeni, okunikeza kokubili ubulukhuni bomphezulu kanye nokuqina kwengaphakathi.
2. Ukufaka i-carburizing:I-Carburizing isakaza ikhabhoni ebusweni bensimbi ukuze yandise ubulukhuni. Ngesixhumanisi seketanga esinobubanzi obungu-20 mm;Ukujula kwe-Carburizing: 10% ka-20 mm = 2 mm;Ukujula Kokuqina Okusebenzayo: 5–6% ka-20 mm = 1–1.2 mm ku-550 HV;Lokhu kudala indawo eqinile, engagugi ngenkathi kulondolozwa umongo othambile ukuze umunce imithwalo enamandla.
3. Ukwelashwa Kokushisa:Ukucima: Ngemva kokufaka i-carburizing, izingxenye ziyacinywa ukuze zivale ubulukhuni bomphezulu (800 HV yamaketanga, 600 HV yamaketanga);Ukushisa: Ukushisa okulawulwayo (isb., ku-200–250°C) kulungisa izakhiwo zenhliziyo, kuqinisekisa ukuqina kanye namandla okuphuka adingekayo angu-280–300 N/mm². Ukushisa ngokweqile kunciphisa ubulukhuni, kuyilapho ukushisa okungaphansi kokushisa kuyingozi yokuba buthakathaka.
4. Umthetho Wokulinganisela: Ubulukhuni: Ubulukhuni obuphezulu bobuso bumelana nokuguguleka kwezinto ezirhabaxa;Amandla: Ukuqina kwengaphakathi kuvimbela ukuphuka okubuthakathaka ngaphansi kwemithwalo eqine.I-SCIC ilawula ukujula kwe-carburizing kanye nemingcele yokushisa ukuze igweme ukuphuka ngokweqile ngenkathi ihlangabezana nezimiso zeklayenti.
(izixhumanisi zeketanga ezinobunzima obuphezulu bomphezulu obune-carburised)
(izixhumanisi zeketanga ezinobulukhuni obuphezulu bomphezulu obune-carburized, ngemuva kokuhlolwa kwamandla okuphuka)
Inqubo yethu yokukhiqiza ilawulwa ngokucophelela ukuze kufezwe ibhalansi ephelele phakathi kobulukhuni namandla. Ngokusebenzisa i-carburizing enembile kanye nokwelashwa ngokushisa, siqinisekisa ukuthiamaketanga nezibophoYiba nendawo eqinile, engagugi ngenkathi ugcina umongo uqinile ukuze uphathe imithwalo eguquguqukayo ekusebenzeni kwakho. Lokhu kulinganisela kubalulekile ekwandiseni isikhathi sokuphila kanye nokuthembeka kwemishini.
III. Ukuqinisekisa Isikhathi Sokuphila Ngokusebenza Nokunakekelwa
Ngisho nomaamaketanga namaketanga asezingeni eliphezulu, ukusebenza kahle nokugcinwa kahle kubalulekile ukuze kwandiswe isikhathi sokuphila kwama-lifti ebhakede efektri kasimende. I-SCIC inikeza isiqondiso esilandelayo kumakhasimende:
Iziqondiso Zokunakekela
1. Ukuhlolwa Okuvamile:Ishekeamaketanga nezibophongezimpawu zokuguguleka, njengokunwebeka (isb., >2–3% wobude bokuqala), ukuguquka, noma ukuqhekeka kwendawo. Ukutholwa kusenesikhathi kuvimbela ukwehluleka.
2. Ukuthambisa:Faka amafutha okugcoba ashisa kakhulu futhi asebenza kanzima ukuze unciphise ukungqubuzana nokuguguleka. Gcoba njalo emahoreni okusebenza ayi-100-200, kuye ngezimo.
3. Ukuqapha Ukucindezeleka:Gcina ukucindezeleka okuhle kakhulu kweketanga ukuze ugweme ukuxega ngokweqile (okubangela ukugxumagxuma) noma ukuqina ngokweqile (ukwanda kokuguguleka). Lungisa ngokwezincazelo ze-SCIC.
4. Ukushintsha Ngesikhathi Esifanele:Shintsha izingxenye ezigugile noma ezonakele ngokushesha ukuze uvimbele ukwehluleka kokwehla. Isibonelo, i-shackle ekhubazekile kufanele ishintshwe ngokushesha.
5. Izindlela Ezinhle Zokusebenza:Sebenzisa ngaphakathi kwemingcele yomklamo (isb., gwema ukulayisha ngokweqile ngaphezu kwamandla okuphuka angu-280–300 N/mm²) ukuze unciphise ukucindezeleka.
Ukuze wandise isikhathi sokuphila kwamaketanga akho namaketanga, landela le mikhuba: hlola njalo ukuthi agugile yini, uqinisekise ukuthi ugcoba kahle, qapha ukucindezeleka kwamaketanga, bese ushintsha izingxenye ezonakele ngokushesha. Ngokunamathela kulezi ziqondiso nokusebenza ngaphakathi kwemingcele yokuklama, ungandisa kakhulu ukuthembeka nokusebenza kahle kwama-lifti akho ebhakede.
Ucwaningo Lwecala: Umthelela Wangempela
Isimo:
Imboni yesamente ibhekane nokwehluleka njalo kwezintambo ze-round link chain, isikhathi sokungasebenzi singamahora ayi-10 ngenyanga ngenxa yamaketanga anobunzima be-600 HV kuphela kanye nokujula kwe-carburizing okungajulile. Lokhu kwaholela ezindleleni zokulungisa eziphakeme kanye nokulahlekelwa umkhiqizo.
Isixazululo:
Ifektri yamukele izintambo ze-SCIC eziqinile nge-case-harded link:
- Amapharamitha: ububanzi obungu-30mm, ubulukhuni bomphezulu obungu-800 HV, ukujula kwe-carburizing okungu-3mm, ubulukhuni obusebenzayo obungu-1.8mm ku-550 HV, amandla okuphuka angu-290 N/mm².
- Ukulungiswa: Ukuhlolwa kabili ngesonto, ukugcotshwa njalo emahoreni angu-150, kanye nokulungiswa kokucindezeleka.
(izixhumanisi zeketanga ezinobubanzi obuthuthukisiwe be-carburizing obuyi-10% ububanzi bezixhumanisi)
IV. Imiphumela
1. Isikhathi sokuphumula: Sincishiswe ngo-80% (kuya emahoreni ama-2 ngenyanga).
2. Isikhathi Sokuphila: Amaketanga ahlala izinyanga ezingu-18 (uma kuqhathaniswa nezinyanga ezingu-6 ngaphambilini).
3. Ukonga Izindleko: Izindleko zokulungisa zehla ngo-50% minyaka yonke.
Lokhu kubonisa indlela izingxenye ze-SCIC ezisezingeni eliphezulu kanye nesiqondiso sokulungisa eziletha ngayo izinzuzo ezibonakalayo.
V. Isiphetho
1. Ukukhetha Izingxenye Ezifanele:Amaketanga namaketanga ahambisana ne-DIN ye-SCIC, esekelwa umklamo ophakeme kanye nokulawulwa kwekhwalithi, iqinisekisa ukuphepha kanye nokusebenza kahle kuma-lifti ebhakede efektri kasimende.
2. Ukulinganisela Ubulukhuni Nokuqina: Izinqubo zethu zokukhiqiza ezinembile zihlangabezana nezimfuneko zamakhasimende, ziletha ukumelana nokuguguleka kanye nomthamo wokuthwala umthwalo.
3. Ukwandisa Isikhathi Sokuphila: Isiqondiso sokulungisa esisebenzayo siqinisekisa ukuthembeka kwesikhathi eside.
Ngokubambisana ne-SCIC, amakhasimende athola ukufinyelela kumaketanga nama-shackle akhiwe ngobuchwepheshe, alungiselelwe izidingo zawo, futhi asekelwa amasu aqinisekisiwe okuthuthukisa ukusebenza nokunciphisa izindleko.
Isikhathi sokuthunyelwe: Ephreli-21-2025
