Ungaqinisekisa kanjani ukumelana nokugqwala kwezinto zokusetshenziswa zamaketanga e-roller?

Ungaqinisekisa kanjani ukumelana nokugqwala kwezinto zokusetshenziswa zamaketanga e-roller?

1. Ukukhetha izinto
1.1 Khetha insimbi enokumelana nokugqwala okunamandla
Insimbi iyinto eyinhloko eluhlaza yamaketanga e-roller, futhi ukumelana kwayo nokugqwala kuthinta ngqo impilo yesevisi kanye nokusebenza kwamaketanga e-roller. Ukukhetha insimbi enokumelana nokugqwala okunamandla kuyisinyathelo sokuqala sokuqinisekisa ukumelana nokugqwala kweamaketanga okugoqa.
Ukusetshenziswa kwezinto zensimbi engagqwali: Insimbi engagqwali ingenye yezinsimbi ezivame ukusetshenziswa ezingagqwali. Iqukethe ingxenye ethile yezinto ze-chromium, ezingakha ifilimu eliqinile le-chromium oxide ebusweni ukuvimbela indawo egqwali ukuthi ingathintani nengaphakathi lensimbi. Isibonelo, okuqukethwe kwe-chromium kwensimbi engagqwali engu-304 cishe kungu-18%, okunokumelana okuhle kokugqwala futhi kufanelekile ezindaweni ezigqwali ezijwayelekile. Kwezinye izindawo ezikhethekile, njengezindaweni zasemanzini olwandle ezinokuqukethwe okuphezulu kwe-chloride ion, insimbi engagqwali engu-316 inokumelana okunamandla kwemigodi ngenxa yokwengezwa kwezinto ze-molybdenum, futhi ukumelana kwayo nokugqwala kuphakeme cishe ngo-30% kunokwensimbi engagqwali engu-304.
Ukumelana nokugqwala kwensimbi ye-alloy: Insimbi ye-alloy ingathuthukisa kakhulu ukumelana nokugqwala kwensimbi ngokungeza izakhi ezahlukahlukene ze-alloy, njenge-nickel, ithusi, i-titanium, njll. Isibonelo, ukungezwa kwe-nickel kungathuthukisa ukuzinza kwefilimu yensimbi yokudlulisa, kanti ithusi lingathuthukisa ukumelana nokugqwala kwensimbi endaweni yasemoyeni. Ngemva kokwelashwa okushisa okufanele, ezinye izinsimbi ze-alloy ezinamandla aphezulu zingakha ifilimu ye-oxide efanayo ebusweni, okuthuthukisa kakhulu ukumelana kwazo nokugqwala. Uma sithatha insimbi ye-alloy equkethe i-nickel nethusi njengesibonelo, izinga layo lokugqwala endaweni yasemoyeni yezimboni liyi-1/5 kuphela yensimbi ye-carbon evamile.
Umphumela wokwelashwa kobuso bensimbi ekuphikisweni kokugqwala: Ngaphezu kokukhetha insimbi efanelekile, ukwelashwa kobuso nakho kuyindlela ebalulekile yokuthuthukisa ukumelana nokugqwala kwensimbi. Isibonelo, ungqimba lwe-zinc, i-nickel nezinye izinsimbi lufakwe phezu kobuso bensimbi ngokusebenzisa ubuchwepheshe bokugqwala ukuze kwakheke isithiyo esibonakalayo sokuvimbela imithombo egqwala ukuthi ingathintani nensimbi. Ungqimba oluhlanganisiwe lunokumelana okuhle nokugqwala endaweni ezungezile, futhi impilo yalo yokumelana nokugqwala ingafinyelela amashumi eminyaka. Ungqimba olufakwe i-nickel lunobulukhuni obuphezulu kanye nokumelana nokuguguleka okungcono, futhi lungathuthukisa ngempumelelo ukumelana nokugqwala kwensimbi. Ngaphezu kwalokho, ukwelashwa kwefilimu yokuguqulwa kwamakhemikhali, njenge-phosphating, kungakha ifilimu yokuguqulwa kwamakhemikhali phezu kobuso bensimbi ukuze kuthuthukiswe ukumelana nokugqwala kanye nokunamathela kwensimbi.

2. Ukwelashwa kwendawo
2.1 Ukuhlanganisa i-Galvanizing
Ukufaka i-galvanizing kungenye yezindlela ezibalulekile zokwelashwa kobuso bensimbi ye-roller chain. Ngokumboza ubuso bensimbi ngesendlalelo se-zinc, ukumelana kwayo nokugqwala kungathuthukiswa ngempumelelo.
Isimiso sokuvikela ungqimba oluhlanganisiwe: I-Zinc yakha ifilimu eliqinile le-zinc oxide endaweni ezungezile, elingavimbela indawo engcolile ukuthi ingathintani nensimbi. Lapho ungqimba oluhlanganisiwe lonakele, i-zinc izosebenza njenge-anode yomhlatshelo ukuvikela insimbi ekugqwaleni. Izifundo zikhombisile ukuthi ukumelana nokugqwala kongqimba oluhlanganisiwe kungafinyelela amashumi eminyaka, futhi izinga lokugqwala kwalo endaweni ezungezile licishe libe yi-1/10 kuphela lensimbi evamile.
Umphumela wenqubo ye-galvanizing ekuphikiseni ukugqwala: Izinqubo ezivamile ze-galvanizing zifaka phakathi i-hot-dip galvanizing, i-electrogalvanizing, njll. Ingqimba ye-zinc eyakhiwe yi-hot-dip galvanizing ikhuluphele futhi inokumelana nokugqwala okungcono, kodwa ukungalingani kungase kwenzeke ebusweni. I-Electrogalvanizing ingalawula ukujiya kwengqimba ye-zinc ukuze yenze ubuso bufane futhi bube bushelelezi. Isibonelo, ngokusebenzisa inqubo ye-electrogalvanizing, ukujiya kwengqimba ye-zinc kungalawulwa phakathi kuka-5-15μm, futhi ukumelana kwayo nokugqwala kufana nokwe-hot-dip galvanizing, futhi ikhwalithi yobuso ingcono, efanelekile imikhiqizo ye-roller chain enezidingo eziphezulu zobuso.
Ukugcinwa kanye nezinyathelo zokuphepha zesendlalelo se-galvanised: Isendlalelo se-galvanised sidinga ukugcinwa ngesikhathi sokusetshenziswa ukuze kugwenywe umonakalo wemishini. Uma isendlalelo se-galvanised sonakele, kufanele silungiswe ngesikhathi ukuze kuvinjelwe insimbi ukuthi ingavezwa endaweni ebolile. Ngaphezu kwalokho, kwezinye izindawo ezikhethekile, njengezindaweni ezine-acidic noma i-alkaline enamandla, ukumelana nokugqwala kwesendlalelo se-galvanised kuzothinteka ngezinga elithile, futhi kuyadingeka ukukhetha inqubo efanele ye-galvanised kanye nezinyathelo zokuvikela ezilandelayo ngokuya ngendawo ethile.
2.2 Ukwelashwa nge-nickel plating
I-nickel plating ingenye indlela ephumelelayo yokuthuthukisa ukumelana nokugqwala kwensimbi ye-roller chain. Isendlalelo se-nickel plating sinokumelana okuhle nokugqwala kanye nokumelana nokuguguleka.
Ukumelana nokugqwala kwe-nickel plating: I-Nickel inezakhiwo eziqinile ze-electrochemical futhi ingakha ifilimu yokudlulisa ezinzile ezindaweni eziningi ezigqwalisayo, ngaleyo ndlela ivimbele ngempumelelo i-medium egqwalisayo ukuthi ingathintani nensimbi. Ukumelana nokugqwala kwesendlalelo se-nickel plating kungcono kunokwesendlalelo se-zinc plating, ikakhulukazi endaweni equkethe ama-ion e-chloride, futhi ukumelana kwayo nemigodi kunamandla. Isibonelo, endaweni yasemanzini olwandle equkethe ama-ion e-chloride, impilo yokumelana nokugqwala kwesendlalelo se-nickel plating iphindwe kathathu kuya kahlanu kunesendlalelo se-zinc plating.
Inqubo yokufaka i-nickel kanye nomthelela wayo ekusebenzeni: Izinqubo ezivamile zokufaka i-nickel zifaka phakathi i-electroplating kanye ne-chemical nickel plating. Isendlalelo se-nickel esifakwe i-electroplated sinobulukhuni obuphezulu kanye nokumelana okuhle nokuguguleka, kodwa sinezidingo eziphezulu zokuba yisicaba kobuso be-substrate. I-chemical nickel plating ingakha uqweqwe olufanayo ebusweni be-substrate engaqhubi, futhi ubukhulu kanye nokwakheka koqweqwe kungalungiswa ngemingcele yenqubo. Isibonelo, ngokusebenzisa inqubo yokufaka i-nickel yamakhemikhali, isendlalelo sokufaka i-nickel esinobukhulu obungu-10-20μm singakhiwa ebusweni bensimbi ye-roller chain, futhi ubulukhuni baso bungafinyelela ngaphezu kwe-HV700, okungekona nje kuphela ukumelana okuhle nokugqwala, kodwa futhi nokumelana okuhle nokuguguleka.
Ukusetshenziswa kanye nemikhawulo ye-nickel plating: I-nickel plating isetshenziswa kabanzi emikhiqizweni ye-roller chain enezidingo eziphezulu zokumelana nokugqwala kanye nokumelana nokuguguleka, njengasembonini yamakhemikhali, ekucubungulweni kokudla nakwezinye izimboni. Kodwa-ke, inqubo ye-nickel plating iyinkimbinkimbi futhi iyabiza, futhi kwezinye izindawo ezinamandla ze-asidi kanye ne-alkali eqinile, ukumelana nokugqwala kwesendlalelo se-nickel plating nakho kuzokhawulelwa ngezinga elithile. Ngaphezu kwalokho, amanzi angcolile akhiqizwa ngesikhathi senqubo ye-nickel plating adinga ukuphathwa ngokuqinile ukuze kugwenywe ukungcola kwemvelo.

3. Inqubo yokwelapha ukushisa
3.1 Ukwelashwa kokucima nokushisa
Ukwelashwa kokucima nokulungisa kuyinqubo eyinhloko yokwelashwa ngokushisa kwezinto zokusetshenziswa ze-roller chain. Ngokuhlanganisa ukucima nokulungisa okushisa okuphezulu, ukusebenza okuphelele kwensimbi kungathuthukiswa kakhulu, ngaleyo ndlela kuthuthukiswe ukumelana kwayo nokugqwala.
Indima yokucima kanye nokukhetha amapharamitha: Ukucima kungapholisa insimbi ngokushesha, kwakha izakhiwo ezinamandla aphezulu njenge-martensite, futhi kuthuthukise ubulukhuni namandla ensimbi. Kwezinto zokusetshenziswa ze-roller chain, imithombo yokucima evame ukusetshenziswa ifaka uwoyela namanzi. Isibonelo, kwezinye izinsimbi ze-alloy ze-carbon alloy, ukucima uwoyela kungagwema ukwakheka kwemifantu yokucima futhi kuthole ubulukhuni obuphezulu. Ukukhetha izinga lokushisa lokucima kubalulekile, ngokuvamile phakathi kuka-800℃ -900℃, kanti ubulukhuni ngemva kokucima bungafinyelela ku-HRC45-55. Nakuba ubulukhuni bensimbi ecinyiwe buphezulu, ukucindezeleka okusele kwangaphakathi kukhulu futhi ukuqina kubi, ngakho-ke kudingeka ukushisa okuphezulu ukuze kuthuthukiswe lezi zakhiwo.
Ukuthuthukisa izinga lokushisa eliphezulu: Ukushisa lokushisa eliphezulu kuvame ukwenziwa phakathi kuka-500℃-650℃, kanti isikhathi sokushisa ngokuvamile singamahora angu-2-4. Ngesikhathi senqubo yokushisa, ukucindezeleka okusele ensimbini kuyakhululwa, ubulukhuni buyancipha kancane, kodwa ukuqina kuyathuthukiswa kakhulu, futhi isakhiwo se-troostite esiqinile esithambile singakhiwa, esinezakhiwo ezinhle zomshini kanye nokumelana nokugqwala. Izifundo zibonise ukuthi ukumelana nokugqwala kwensimbi ngemva kokucima nokushisa kungathuthukiswa ngo-30%-50%. Isibonelo, endaweni yezimboni enomoya, izinga lokugqwala kwezinto zokusetshenziswa zamaketanga e-roller acinyiwe futhi aqinisiwe licishe libe yi-1/3 kuphela yensimbi engalungiswanga. Ngaphezu kwalokho, ukucima nokushisa kungathuthukisa nokusebenza kokukhathala kwensimbi, okubaluleke kakhulu ekusetshenzisweni kwesikhathi eside kwamaketanga e-roller ngaphansi kwemithwalo enamandla.
Indlela yokusebenza kwethonya lokucima nokulungisa ukumelana nokugqwala: Ukucima nokulungisa kuthuthukisa isakhiwo esincane sensimbi, kuthuthukisa ubulukhuni bayo kanye nokuqina kwayo, ngaleyo ndlela kuthuthukisa ikhono layo lokumelana nokuguguleka yizinto ezigqwalisayo. Ngakolunye uhlangothi, ubulukhuni obuphezulu bunganciphisa ukuguguleka komshini kwezinto ezigqwalisayo ebusweni bensimbi futhi kunciphise izinga lokugqwala; ngakolunye uhlangothi, isakhiwo esizinzile senhlangano singanciphisa izinga lokusabalala kwezinto ezigqwalisayo futhi sibambezele ukwenzeka kokusabela kokugqwala. Ngesikhathi esifanayo, ukucima nokulungisa kungathuthukisa ukumelana kwensimbi ekugqwaleni kwe-hydrogen. Kwezinye izindawo ezigqwalisayo eziqukethe ama-ion e-hydrogen, kungavimbela ngempumelelo insimbi ukuthi ingaphumeleli ngaphambi kwesikhathi ngenxa yokugqwala kwe-hydrogen.

4. Ukuhlolwa Kwekhwalithi
4.1 Indlela Yokuhlola Ukumelana Nokugqwala
Ukuhlolwa kokumelana nokugqwala kwezinto zokusetshenziswa ze-roller chain kuyisixhumanisi esibalulekile ekuqinisekiseni ikhwalithi yazo. Ngezindlela zokuhlola zesayensi nezinengqondo, ukumelana nokugqwala kwezinto ezimweni ezahlukene kungahlolwa ngokunembile, ngaleyo ndlela kuhlinzekwe isiqinisekiso sokuthembeka komkhiqizo.
1. Ukuhlolwa Kokufafazwa Ngosawoti
Ukuhlolwa kwe-salt spray kuyindlela yokuhlola ukugqwala okusheshayo okulingisa indawo yolwandle noma enomswakama futhi isetshenziswa kabanzi ukuhlola ukumelana nokugqwala kwezinto zensimbi.
Isimiso Sokuhlola: Isampula ye-roller chain ifakwa ekamelweni lokuhlola i-salt spray ukuze ubuso besampula buhlale buvezwa endaweni ethile yokugcotshwa kukasawoti. Ama-ion e-chloride ku-salt spray azosheshisa ukusabela kokugqwala kobuso bensimbi. Ukumelana nokugqwala kwesampula kuhlolwa ngokubheka izinga lokugqwala kwesampula phakathi nesikhathi esithile. Isibonelo, ngokuhambisana ne-ISO 9227 ejwayelekile yomhlaba wonke, ukuhlolwa kwe-neutral salt spray kwenziwa nge-salt spray concentration yesisombululo se-5% NaCl, izinga lokushisa elilawulwa cishe ku-35°C, kanye nesikhathi sokuhlola esivame ukuba amahora angama-96.
Ukuhlolwa kwemiphumela: Ukumelana nokugqwala kuhlolwa ngokusekelwe ezinkombeni ezifana nemikhiqizo yokugqwala, ukujula kwemigodi, kanye nezinga lokugqwala ebusweni besampula. Kumaketanga e-roller ensimbi engagqwali, ngemuva kokuhlolwa kokufuthwa kukasawoti kwamahora angama-96, ukujula kwemigodi engaphezulu kufanele kube ngaphansi kuka-0.1mm kanti izinga lokugqwala kufanele libe ngaphansi kuka-0.1mm ngonyaka ukuze kuhlangatshezwane nezidingo zokusetshenziswa kwezindawo zezimboni ezijwayelekile. Kumaketanga e-roller ensimbi e-alloy, ngemuva kokufakwa kwe-galvanizing noma i-nickel plating, imiphumela yokuhlolwa kokufuthwa kukasawoti kufanele ihlangabezane namazinga aphezulu. Isibonelo, ngemuva kokuhlolwa kokufuthwa kukasawoti kwamahora angama-96, iketanga le-roller elifakwe i-nickel alinawo ukugqwala okusobala ebusweni futhi ukujula kwemigodi kungaphansi kuka-0.05mm.
2. Ukuhlolwa kwe-Electrochemical
Ukuhlolwa kwe-electrochemical kunganikeza ukuqonda okujulile kokumelana nokugqwala kwezinto ngokulinganisa ukuziphatha kwe-electrochemical kwezinsimbi ezindabeni ezigqwalisayo.
Ukuhlolwa kwejika le-polarization: Isampula yeketanga le-roller isetshenziswa njenge-electrode esebenzayo futhi ifakwa endaweni ebolile (njengesisombululo se-NaCl esingu-3.5% noma isisombululo se-0.1mol/L H₂SO₄), futhi ijika layo le-polarization liqoshwa yi-workstation ye-electrochemical. Ijika le-polarization lingabonakalisa amapharamitha afana nobuningi bamanje bokugqwala kanye namandla okugqwala kwezinto. Isibonelo, ku-316 stainless steel roller chain, ubukhulu bamanje bokugqwala kusisombululo se-NaCl esingu-3.5% kufanele bube ngaphansi kuka-1μA/cm², futhi amandla okugqwala kufanele abe seduze no--0.5V (uma kuqhathaniswa ne-calomel electrode egcwele), okubonisa ukuthi inokumelana okuhle kokugqwala.
Ukuhlolwa kwe-electrochemical impedance spectroscopy (EIS): Ukuhlolwa kwe-EIS kungalinganisa impedance yokudlulisa ishaja kanye ne-diffusion impedance yezinto ezisendaweni ebolayo ukuze kuhlolwe ubuqotho kanye nokuqina kwefilimu yayo engaphezulu. Ukumelana nokugqwala kwezinto kungahlulelwa ngokuhlaziya amapharamitha afana ne-capacitive arc kanye ne-time constant ku-impedance spectrum. Isibonelo, impedance yokudlulisa ishaja yensimbi ye-roller chain ecinyiwe futhi yaqiniswa kufanele ibe ngaphezu kuka-10⁴Ω·cm² ekuhlolweni kwe-EIS, okubonisa ukuthi ifilimu yayo engaphezulu inomphumela omuhle wokuvikela.
3. Ukuhlolwa kokucwiliswa
Ukuhlolwa kokucwiliswa kuyindlela yokuhlola ukugqwala elingisa indawo yokusetshenziswa kwangempela. Isampula ye-roller chain icwiliswa endaweni ethile yokugqwala isikhathi eside ukuze ibone ukuziphatha kwayo kokugqwala kanye nokushintsha kokusebenza.
Izimo zokuhlola: Khetha imidiya egqwalisayo efanele ngokuya ngendawo yokusetshenziswa kwangempela kwe-roller chain, njengesisombululo se-acidic (i-sulfuric acid, i-hydrochloric acid, njll.), isisombululo se-alkaline (i-sodium hydroxide, njll.) noma isisombululo esingathathi hlangothi (njengamanzi olwandle). Izinga lokushisa lokuhlola ngokuvamile lilawulwa ekushiseni kwegumbi noma ebangeni langempela lokushisa lokusetshenziswa, futhi isikhathi sokuhlola ngokuvamile singamaviki ambalwa kuya ezinyangeni eziningana. Isibonelo, kuma-roller chain asetshenziswa ezindaweni zamakhemikhali, acwiliswa kusisombululo se-3% H₂SO₄ ku-40°C izinsuku ezingama-30.
Ukuhlaziywa kwemiphumela: Ukumelana nokugqwala kuhlolwa ngezinkomba zokulinganisa ezifana nokulahlekelwa yisisindo, ushintsho lobukhulu, kanye noshintsho lwesakhiwo semishini sesampula. Izinga lokulahlekelwa yisisindo liyisibonakaliso esibalulekile sokulinganisa izinga lokugqwala. Kumaketanga e-roller ensimbi engagqwali, izinga lokulahlekelwa yisisindo ngemuva kwezinsuku ezingama-30 zokuhlolwa kokucwiliswa kufanele libe ngaphansi kuka-0.5%. Kumaketanga e-roller ensimbi e-alloy, izinga lokulahlekelwa yisisindo kufanele libe ngaphansi kuka-0.2% ngemuva kokwelashwa kwendawo. Ngaphezu kwalokho, izinguquko ezimpahleni zemishini ezifana namandla okudonsa kanye nokuqina kwesampula kufanele futhi kuhlolwe ukuqinisekisa ukuthi isengahlangabezana nezidingo zokusetshenziswa endaweni egqwalayo.
4. Ukuhlolwa kokulenga endaweni
Ukuhlolwa kokulengiswa endaweni kuwukuveza ngqo isampula ye-roller chain endaweni yokusetshenziswa kwangempela nokuhlola ukumelana nokugqwala ngokubuka ukugqwala kwayo isikhathi eside.
Ilungiselelo lokuhlola: Khetha indawo yokusetshenziswa yangempela emele, njengendawo yokusebenzela yamakhemikhali, ipulatifomu yolwandle, isitshalo sokucubungula ukudla, njll., bese ulengisa noma ulungise isampula ye-roller chain emishinini ngesikhathi esithile. Isikhathi sokuhlola ngokuvamile siyizinyanga eziningana kuya eminyakeni eminingana ukuqinisekisa ukuthi ukuziphatha kokugqwala kwesampula endaweni yangempela kungabonwa ngokugcwele.
Ukuqoshwa nokuhlaziywa kwemiphumela: Bheka futhi uhlole amasampula njalo, bese uqopha ulwazi olufana nokugqwala kwendawo kanye nesimo somkhiqizo wokugqwala. Isibonelo, endaweni yokusebenza yamakhemikhali, ngemuva konyaka owodwa wokuhlolwa kokulengiswa, akukho phawu lokugqwala olusobala ebusweni beketanga le-roller elifakwe i-nickel, kuyilapho inani elincane le-pitting lingavela ebusweni beketanga le-roller elihlanganisiwe. Ngokuqhathanisa ukugqwala kwamasampula ezinto ezahlukene kanye nezinqubo zokwelapha endaweni yangempela, ukumelana kwayo nokugqwala kungahlolwa ngokunembe kakhudlwana, kunikeze isisekelo esibalulekile sokukhethwa kwezinto kanye nokwakheka komkhiqizo.

5. Isifinyezo
Ukuqinisekisa ukumelana nokugqwala kwezinto zokusetshenziswa ze-roller chain kuyiphrojekthi ehlelekile, ehilela izixhumanisi eziningi ezifana nokukhethwa kwezinto, ukwelashwa kwendawo, inqubo yokwelashwa kokushisa kanye nokuhlolwa kwekhwalithi okuqinile. Ngokukhetha izinto zensimbi ezifanele ezinokumelana nokugqwala okunamandla, njengensimbi engagqwali kanye nensimbi ye-alloy, kanye nokuhlanganisa izinqubo zokwelashwa kwendawo ezifana ne-galvanizing kanye ne-nickel plating, ukumelana nokugqwala kwamaketanga e-roller kungathuthukiswa kakhulu. Ukwelashwa kokucima nokushisa enkambisweni yokwelashwa kokushisa kuthuthukisa ukusebenza okuphelele kwensimbi ngokuthuthukisa amapharamitha okucima nokushisa, ukuze ibe nokumelana nokugqwala okungcono kanye nezakhiwo zemishini ezindaweni eziyinkimbinkimbi.
Ngokuphathelene nokuhlolwa kwekhwalithi, ukusetshenziswa kwezindlela ezahlukene zokuhlola ezifana nokuhlolwa kokufuthwa kukasawoti, ukuhlolwa kwe-electrochemical, ukuhlolwa kokucwiliswa kanye nokuhlolwa kokulengiswa endaweni kunikeza isisekelo sesayensi sokuhlola ngokuphelele ukumelana nokugqwala kwezinto zokusetshenziswa ze-roller chain. Lezi zindlela zokuhlola zingalingisa izindawo ezahlukene zokusetshenziswa kwangempela futhi zithole ngokunembile ukuziphatha kokugqwala kanye nezinguquko zokusebenza kwezinto ngaphansi kwezimo ezahlukahlukene, ngaleyo ndlela kuqinisekiswe ukuthembeka nokuqina komkhiqizo ekusetshenzisweni kwangempela.
Ngokuvamile, ngokusebenzisa ukulungiswa okuhlanganisiwe kwezixhumanisi ezingenhla, ukumelana nokugqwala kwezinto zokusetshenziswa ze-roller chain kungathuthukiswa ngempumelelo, impilo yesevisi yayo ingandiswa, futhi izidingo zokusetshenziswa ezindaweni ezahlukene zezimboni zingahlangatshezwa.