Ukukhethwa kwe-quenching medium yamaketanga okugoqa anembile: izici ezibalulekile kanye nemikhuba emihle kakhulu

Ukukhethwa kwe-quenching medium yamaketanga okugoqa anembile: izici ezibalulekile kanye nemikhuba emihle kakhulu
Enqubweni yokukhiqiza yeamaketanga okugoqa okunembile, inqubo yokucima idlala indima ebalulekile, futhi ukukhethwa kwendlela yokucima kuthinta ngqo ukusebenza kokugcina kanye nekhwalithi yeketanga le-roller. Lesi sihloko sizohlola ngokujulile amaphuzu abalulekile okukhetha indlela yokucima ukuze kube neketanga le-roller elinembile, izici zemidiya evamile kanye nezimo ezifanele, okuhloswe ngazo ukusiza abathengi bamazwe ngamazwe abathengisa ngobuningi baqonde kangcono lesi sixhumanisi esibalulekile ukuze bakwazi ukwenza izinqumo ezinolwazi ngesikhathi senqubo yokuthenga.

1. Ukubaluleka kwe-quenching medium ekwakhiweni kwamaketanga okugoqa anembile
Ukucima kuyinqubo yokwelapha ukushisa ethuthukisa ubulukhuni namandla ezinto ngokupholisa ngokushesha. Ukuze uthole amaketanga e-roller anembile, ukucima kungakha ungqimba oluqinile ebusweni bawo, ngaleyo ndlela kuthuthukiswe izinkomba zokusebenza ezibalulekile njengokumelana nokuguguleka, ukumelana nokukhathala kanye nomthamo wokuthwala umthwalo. Njengenye yezinto eziyinhloko enkambisweni yokucima, izinga lokupholisa kanye nezici zokupholisa ze-medium yokucima kuzothinta kakhulu isakhiwo senhlangano kanye nokusebenza kweketanga le-roller.

2. Imidiya evamile yokucima kanye nezici zayo
Amanzi:
Izinga Lokupholisa: Amanzi aphola ngokushesha, ikakhulukazi ebangeni lokushisa eliphansi. Lokhu kuwenza akwazi ukupholisa ngokushesha uchungechunge lwe-roller ngesikhathi esifushane, ngaleyo ndlela athole ubulukhuni obuphezulu.
Izinzuzo: Imithombo ebanzi, ishibhile, futhi ingahlangabezana nezidingo zokucima zamaketanga okugoqa ngezidingo ezijwayelekile zokunemba.
Okubi: Izinga lokupholisa lamanzi kunzima ukulilawula ngokunembile, futhi izinga lokupholisa lishesha kakhulu endaweni yokushisa ephezulu, okungabangela kalula ukucindezeleka okukhulu kwangaphakathi kanye nokucima imifantu ku-roller chain, okuthinta ukuqina kwayo kanye nokuqina kwayo. Ngakho-ke, kwamanye ama-roller chain anezidingo zokunemba okuphezulu kanye nosayizi omkhulu, kungaba nezingozi ezithile ekusebenziseni amanzi njengendlela yokucima.
Amafutha:
Izinga Lokupholisa: Izinga lokupholisa likawoyela lihamba kancane kunelamanzi, futhi izinga lokupholisa liyafana kakhulu ebangeni lokushisa elibanzi. Lokhu kusiza ukunciphisa ukucindezeleka kokushisa kanye nokucindezeleka kwesakhiwo se-roller chain ngesikhathi senqubo yokucima nokunciphisa ukuthambekela kokuqhekeka.
Izinzuzo: Ukufana kokuqina kokucima kochungechunge lwe-roller kuhle, futhi kungathuthukisa ngempumelelo ukuqina kwalo kanye nokunemba kwalo. Ngaphezu kwalokho, ukusebenza kokupholisa kwamafutha kungalungiswa ngokungeza izithasiselo ezahlukene ukuze kuhlangatshezwane nezidingo zokucima kochungechunge lwe-roller lwezinto ezahlukene kanye nemininingwane.
Okubi: Intengo kawoyela iphakeme kakhulu, futhi kulula ukukhiqiza intuthu kawoyela ngesikhathi sokusetshenziswa, okunomthelela othile endaweni yokusebenza kanye nempilo yabasebenzi. Ngesikhathi esifanayo, ijubane lokupholisa likawoyela lihamba kancane, futhi kwamanye amaketanga okugoqa adinga ukupholiswa ngokushesha ukuze athole ubulukhuni obuphezulu, angase angahlangabezani nezidingo zawo zokusebenza.
Amanzi anosawoti:
Isivinini sokupholisa: Isivinini sokupholisa samanzi anosawoti siphakathi kwesamanzi namafutha, futhi isivinini sokupholisa singashintshwa ngokulungisa ukuhlushwa kukasawoti. Ukwandisa ukuhlushwa kukasawoti ngendlela efanele kungasheshisa isivinini sokupholisa, kodwa ukuhlushwa okuphezulu kakhulu kuzokwandisa ingozi yokugqwala kweketanga le-roller.
Izinzuzo: Inomphumela omuhle wokupholisa kanye nekhono elithile lokuqinisa, futhi ingahlangabezana nezidingo zokucima ezinye izintambo ezigoqekayo ezinezidingo zokunemba okuphakathi kanye namandla. Ngaphezu kwalokho, izindleko zamanzi anosawoti ziphansi kakhulu, futhi izidingo zokuhlanzeka kobuso bezintambo ezigoqekayo aziphezulu.
Okubi: Amanzi anosawoti ayagqwala ngezinga elithile. Uma engahlanzwa ngesikhathi ngemva kokucinywa, angabangela ukuthi uchungechunge lwe-roller lugqwale, okuthinta ikhwalithi yalo ebusweni kanye nokuphila kwalo. Ngesikhathi esifanayo, ukusebenza kokupholisa kwamanzi anosawoti kuthintwa kakhulu yizici ezifana nokuhlushwa kukasawoti kanye nokushisa, futhi imingcele yenqubo yokucinywa idinga ukulawulwa ngokuqinile.
Uketshezi lokucima i-polymer:
Isivinini sokupholisa: Isivinini sokupholisa se-polymer quenching liquiment singalungiswa ngokuguquguqukayo ngokushintsha ukuhlushwa kwaso, izinga lokushisa kanye nesivinini sokuxubha. Endaweni yokushisa okuphezulu, isivinini sokupholisa siyashesha kakhulu, okungenza i-roller chain iphole ngokushesha; endaweni yokushisa okuphansi, isivinini sokupholisa sizoncipha, ngaleyo ndlela kuncishiswe ngempumelelo ukukhiqizwa kokucindezeleka kwangaphakathi.
Izinzuzo: Isebenza kahle ekuqiniseni nasekuqiniseni, okungenza i-roller chain ithole ukusatshalaliswa kobulukhuni okufanayo kanye nezakhiwo ezinhle zemishini eziphelele. Ngaphezu kwalokho, uketshezi lokucima i-polymer lusebenza kahle ekupholiseni, luhlala isikhathi eside, futhi lungcolisa imvelo kancane. Luyindlela efanelekile yokucima.
Okubi: Intengo iphakeme kakhulu, futhi izidingo zemishini yokucima kanye nokulawulwa kwenqubo ziqinile kakhulu. Uma ukusebenza kungafanele, kungaholela emphumeleni wokucisha ongagculisi noma ukuwohloka kokusebenza koketshezi lokucima.

3. Izinto okufanele uzicabangele lapho ukhetha indlela yokucima umlilo
Izinto zochungechunge lwe-roller:
Izinto ezahlukene zinezidingo ezahlukene zesivinini sokupholisa kanye nezici zokupholisa ze-quenching medium. Isibonelo, kwamanye amaketanga e-roller anokuqukethwe okuphezulu kwe-alloy element, njenge-alloy steel roller chains, ngenxa yokuqina kwawo okuhle, uketshezi lokucima uwoyela noma i-polymer olunesilinganiso sokupholisa esihamba kancane luvame ukukhethwa ukuze lucime ukuze kutholakale ukuhleleka nokusebenza okuhle; kuyilapho kwamanye amaketanga e-carbon steel roller, ngenxa yokuqina kwawo okungekuhle, amanzi noma amanzi anosawoti anesilinganiso sokupholisa esisheshayo angadingeka njengendlela yokucima, kodwa kufanele kuthathwe izinyathelo ezifanele ukunciphisa amaphutha okucima.
Usayizi kanye nesimo seketanga le-roller:
Usayizi kanye nesimo seketanga lokugoqa kuzothinta ngqo izinga lalo lokupholisa kanye nokusatshalaliswa kokucindezeleka ngesikhathi sokucinywa. Kumaketanga okugoqa anosayizi omncane nesimo esilula, ngenxa yendawo yawo encane ebusweni kanye nesilinganiso somthamo, izinga lokupholisa liyashesha kakhulu, futhi indawo yokucima enesilinganiso sokupholisa esihamba kancane, njengoketshezi lokucima uwoyela noma i-polymer, ingakhethwa; kuyilapho kumaketanga okugoqa anosayizi omkhulu nesimo esiyinkimbinkimbi, ukuze kuqinisekiswe ukuthi kokubili ingaphakathi nengaphandle kungacinywa ngokuphelele, indawo yokucima enesilinganiso sokupholisa esisheshayo kanye nokuqina okungcono, njengamanzi noma uketshezi lokucima i-polymer olunezinga eliphezulu, kuvame ukudingeka. Ngesikhathi esifanayo, kuyadingeka futhi ukucabangela indawo yokubeka kanye nokubopha kweketanga lokugoqa ngesikhathi senqubo yokucima ukuqinisekisa ukufana kwalo kokupholisa.
Izidingo zokusebenza kwamaketanga okugoqa:
Kuye ngezimo zokusetshenziswa kanye nezidingo zokusetshenziswa kwamaketanga okugoqa, kunezindlela ezahlukene zokugcizelela izinkomba zazo zokusebenza. Uma iketanga lokugoqa lisetshenziswa kakhulu ukumelana nemithwalo enamandla kanye nokungqubuzana kanye nokuguga, njengasemikhakheni yemishini yokuphakamisa, imishini yobunjiniyela, njll., lidinga ubulukhuni obuphezulu, ukuqina kanye nokumelana nokuguguleka. Ngalesi sikhathi, ungakhetha i-crying medium enesilinganiso sokupholisa esisheshayo kanye nokusebenza okungcono kokuqina, njenge-water noma i-polymer quenching liquid, bese ulihlanganisa nenqubo efanele yokushisa ukuze kufezwe ibhalansi yokusebenza edingekayo; uma iketanga lokugoqa lisetshenziswa kakhulu kwezinye izikhathi ngezidingo eziphezulu zokunemba kobukhulu kanye nokuzinza, njengokudlulisa ezinsimbini zokucacisa, ukucubungula ukudla kanye neminye imishini, umphumela we-quenching medium ekushintsheni kobukhulu beketanga lokugoqa kufanele unikezwe kuqala, futhi kufanele kukhethwe i-quenching medium enesilinganiso sokupholisa esifanayo kanye nokuphambuka okuncane kokucima, njenge-oyili noma i-polymer quenching liquid ephansi.
Ukusebenza kahle kokukhiqiza kanye nezindleko:
Ekukhiqizeni kwangempela, ukusebenza kahle kokukhiqiza kanye nezindleko nakho kungenye yezinto okudingeka zicatshangelwe ngokuphelele lapho kukhethwa indlela yokucima. Izindleko zemidiya yokucima njengamanzi namanzi anosawoti ziphansi kakhulu, kodwa uma ukucima uchungechunge lwe-roller chain kuqhekeka futhi izinga lokungcola likhuphuka ngenxa yesivinini sokupholisa ngokweqile, kuzokhulisa izindleko zokukhiqiza; kuyilapho uketshezi lokucima uwoyela kanye ne-polymer lubiza kakhulu, kodwa lungathuthukisa ikhwalithi yokucima kanye nezinga lokudlula okokuqala kwamaketanga e-roller, okungase kunciphise izindleko zokukhiqiza zizonke ngokuhamba kwesikhathi. Ngaphezu kwalokho, imidiya yokucima ehlukene nayo iyahluka ekutshalweni kwezimali kwemishini, ukugcinwa, ukusetshenziswa kwamandla, njll., okudingeka kukalwe ngokwesilinganiso esithile sokukhiqiza kanye nezinzuzo zomnotho zebhizinisi.

4. Ukuhlaziywa kwecala lokushintshashintsha kwe-quenching medium ukuze kutholakale amaketanga okugoqa anembile ezinto ezahlukene
Uchungechunge lwe-roller yensimbi yekhabhoni: Uma sithatha uchungechunge lwe-roller yensimbi oluvamile olungama-45# njengesibonelo, izinga lokushisa kwalo lokucima ngokuvamile liphakathi kuka-840℃ -860℃. Uma amanzi esetshenziswa njengendawo yokucima, nakuba ubulukhuni obuphezulu bungatholakala, ngenxa yesivinini sokupholisa esisheshayo samanzi, kulula ukubangela uchungechunge lwe-roller ukuthi lukhiqize ukucindezeleka okukhulu kwangaphakathi kanye nokuqhekeka kokucima, ikakhulukazi kumaketanga e-roller anobukhulu obukhulu noma izimo eziyinkimbinkimbi, le ngozi isobala kakhulu. Ngakho-ke, kuchungechunge lwe-roller yensimbi olungama-45#, ukucima uwoyela noma ukucima okunezinga elilinganisiwe kuvame ukusetshenziswa, okungukuthi, uchungechunge lwe-roller luqale lufudunyezwe ekushiseni kokucima esithandweni sokugeza usawoti, bese lufakwa ngokushesha ku-oyela ukuze luphole, noma luqale lupholiswe ku-oyela oshisayo isikhathi esithile, bese ludluliselwa ku-oyela obandayo ukuze luphole ngokwengeziwe. Lokhu kunganciphisa ngempumelelo ukucindezeleka kwangaphakathi kokucima futhi kunciphise ukukhiqizwa kwemifantu. Ngesikhathi esifanayo, kungaqinisekisa nokuthi uchungechunge lwe-roller luthola ubulukhuni obuphezulu kanye nokuqina okuhle. Ubulukhuni ngemva kokucima ngokuvamile bungafinyelela ku-HRC30-35. Ngemva kokushisa, ubulukhuni bungancishiswa ngokufanele futhi ubulukhuni bungathuthukiswa ukuze kuhlangatshezwane nezidingo zokusetshenziswa ezijwayelekile.
Uchungechunge lwe-roller yensimbi ye-alloy: Kuchungechunge lwe-roller yensimbi ye-alloy engu-40Cr, ukuqina kwalo kuhle, futhi ngokuvamile lucinywa ngokupholisa uwoyela noma ukupholisa umoya. Ngemva kokugcina kufudumele ekushiseni kokucima isikhathi esithile, uchungechunge lwe-roller lufakwa ku-oyela ukuze luphole. Izinga lokupholisa uwoyela lilinganiselwe, okungenza izakhiwo zangaphakathi nezangaphandle zochungechunge lwe-roller ziguqulwe ngokulinganayo futhi zithole izakhiwo ezinhle zemishini. Ubulukhuni bokucima bungafinyelela ku-HRC30-37, futhi ubulukhuni ngemva kokushisa bungalungiswa ngokuya ngezidingo ezithile zokusetshenziswa. Ngaphezu kwalokho, kwamanye amaketanga e-roller yensimbi ye-alloy enamandla aphezulu futhi anobunzima obukhulu, inqubo yokucima uketshezi oluphindwe kabili lwamafutha namanzi ingasetshenziswa, okungukuthi, uchungechunge lwe-roller luqala lupholiswe emanzini ngezinga elithile, bese ludluliselwa ku-oyela ukuze luphole ngokwengeziwe. Lokhu kungenza ukudlala okugcwele ezicini zokupholisa zamanzi namafutha, okungagcini nje ngokuqinisekisa ubulukhuni bokucima kochungechunge lwe-roller, kodwa futhi kunciphisa ukucindezeleka kwangaphakathi kokucima kanye nokuthambekela kokuqhekeka.
Uchungechunge lwe-roller yensimbi engagqwali: Uchungechunge lwe-roller yensimbi engagqwali lunokumelana okuhle kokugqwala kanye nokumelana nokushiswa kwe-oxidation okushisa okuphezulu, kodwa inqubo yalo yokucima iyinkimbinkimbi kakhulu. Uma sibheka uchungechunge lwe-roller yensimbi engagqwali ye-austenitic njengesibonelo, njengoba luvame ukugqwala phakathi kwe-granular emazingeni okushisa aphezulu, ukwelashwa kwesisombululo esiqinile kuvame ukusetshenziswa esikhundleni senqubo yokucima yendabuko. Okusho ukuthi, uchungechunge lwe-roller lushiswa ku-1050℃-1150℃ ukuze kulungiswe isixazululo esiqinile, ukuze i-carbide ichitheke ngokuphelele ku-matrix ye-austenite, bese ipholiswa ngokushesha ukuze kutholakale isakhiwo se-austenite sesigaba esisodwa ukuze kuthuthukiswe ukumelana kwayo nokugqwala kanye nokuqina. Indawo yokupholisa ngokuvamile isebenzisa uketshezi lokucima amanzi noma i-polymer ukuqinisekisa ukupholisa okusheshayo nokuvimbela imvula ye-carbide. Kumaketanga e-roller yensimbi engagqwali ye-martensitic, kudingeka ukwelashwa kokucima kanye nokushisa. Indawo yokucima imvamisa ikhetha uketshezi lokucima uwoyela noma i-polymer ukuze ithole ubulukhuni namandla aphezulu ngenkathi ihlangabezana nezidingo ezithile zokumelana nokugqwala.

5. Izinyathelo zokuqapha zokusetshenziswa nokugcinwa kwemidiya yokucima
Ukulawulwa kwezinga lokushisa: Izinga lokushisa le-quenching medium linomthelela omkhulu esilinganisweni sokupholisa kanye nomphumela wokucima. Ngokuvamile, izinga lokushisa lamanzi kufanele lilawulwe phakathi kuka-20℃-30℃. Izinga lokushisa eliphakeme kakhulu lizonciphisa izinga lokupholisa futhi lithinte ubulukhuni bokucima; izinga lokushisa lamafutha kufanele lilungiswe ngokuya ngohlobo oluthile nezidingo zenqubo, ngokuvamile ku-20℃-60℃. Izinga lokushisa eliphakeme kakhulu lizobangela ukuthi i-viscosity yamafutha yehle, izinga lokupholisa lehle, futhi lingase libangele nokuthi uwoyela uvuthe ngokuzenzekelayo. Izinga lokushisa eliphansi kakhulu lizokwandisa i-viscosity yamafutha, liwohloze uketshezi lwawo, futhi lithinte ukufana kokucima. Izinga lokushisa loketshezi lokucima i-polymer kufanele lilawulwe ngaphakathi kobubanzi obufanele, ngokuvamile bungadluli ku-50℃, ngaphandle kwalokho kuzothinta ukusebenza kwalo kokupholisa kanye nokuphila kwenkonzo.
Ukuqapha nokulungisa ukugxilisa: Ukuze kucinywe imidiya enokugxila okulungisekayo njengoketshezi lokucima i-polymer, kuyadingeka ukuqapha njalo izinguquko zayo zokugxilisa futhi uzilungise ngokwezimo zangempela. Ukwanda kokugxilisa kuzokhulisa ubude beketanga kanye nokuthamba kwama-molecule e-polymer, ngaleyo ndlela kuncishiswe izinga lokupholisa. Ngakho-ke, ekusetshenzisweni kwangempela, ukugxilisa kwe-medium yokucima kufanele kugcinwe kuzinzile ngokungeza inani elifanele lamanzi noma ukugxila ngokwemiphumela yokucima kanye nezidingo zenqubo yeketanga eligoqayo. Ngesikhathi esifanayo, kufanele kuthathwe ukunakekelwa ukuze kugwenywe ukungcola ekuxubeni ne-medium yokucima ukuze kugwenywe ukuthinta ukusebenza kwayo kanye nekhwalithi yayo.
Ukuxuba nokujikeleza kwegazi: Ukuze uchungechunge lwe-roller lukwazi ukupholisa ngokulinganayo ngesikhathi senqubo yokucima nokuvimbela ukuphambuka kokucima nokuqhekeka okubangelwa amazinga okushisa aphezulu, i-crying medium idinga ukuxubaniswa kahle. Ukufaka idivayisi yokuxuba ethangini lokucima noma ukusebenzisa ukuxubana komoya ocindezelwe kungenza izinga lokushisa nokwabiwa kokwakheka kwe-crying medium kufane kakhulu futhi kuthuthukise ikhwalithi yokuxuba. Kodwa-ke, ijubane lokuxuba akufanele libe lishesha kakhulu ukuze kugwenywe amabhamuza amaningi kanye nentuthu kawoyela, okuzothinta umphumela wokuxuba kanye nendawo yokusebenza.
Ukushintsha nokuhlanza okuvamile: Ngesikhathi sokusetshenziswa isikhathi eside, i-quenching medium izowohloka ekusebenzeni kwayo ngenxa yokushiswa kwezinga lokushisa eliphezulu, ukuxubana kokungcola, ukubola kanye nokuwohloka, ngakho-ke idinga ukushintshwa njalo. Ngesikhathi esifanayo, inhlabathi, udaka kanye nokungcola okusethangini lokucima kufanele kuhlanzwe ngesikhathi ukuze kugcinwe i-quenching medium ihlanzekile futhi isebenze kahle ekupholiseni. I-quenching medium eshintshiwe kufanele iphathwe ngokuhambisana nemithetho efanele ukugwema ukungcola emvelweni.

6. Izitayela kanye namathemba okuthuthukiswa kwemboni
Ngokuthuthuka okuqhubekayo kwesayensi yezinto zokwakha kanye nobuchwepheshe bokwelapha ukushisa, ucwaningo kanye nokuthuthukiswa kwemidiya yokucima uchungechunge oluqondile nayo iyajula. Ngakolunye uhlangothi, ucwaningo kanye nokuthuthukiswa kanye nokusetshenziswa kwemidiya yokucima entsha enobungani nemvelo kuzoba yindlela yokuthuthukiswa kwesikhathi esizayo. Le midiya yokucima inezici zokungcola okuphansi, ukusetshenziswa kwamandla aphansi kanye nokusebenza okuphezulu, okungahlangabezana nezidingo zokuvikelwa kwemvelo eziqinile kanye nezidingo zentuthuko eqhubekayo yamabhizinisi. Isibonelo, eminye imithombo yokucima uketshezi ye-polymer esekelwe emanzini, imithombo yokucima uketshezi esekelwe ku-oyela wemifino, njll. ikhuthazwa futhi isetshenziswa kancane kancane, futhi ibonise izinzuzo ezinhle ekusebenzeni kokupholisa, ukusebenza kokuvikelwa kwemvelo kanye nokubola kwezinto eziphilayo.
Ngakolunye uhlangothi, ukusetshenziswa kwezinqubo zokucima ezihlakaniphile kanye nemishini kuzoletha namathuba amasha okukhiqizwa kwamaketanga okugoqa aqondile. Ngokusebenzisa ubuchwepheshe bezinzwa obuthuthukisiwe, ubuchwepheshe bokulawula okuzenzakalelayo kanye nobuchwepheshe bokulingisa ikhompyutha, ukuqapha ngesikhathi sangempela kanye nokulawula okunembile kwamapharamitha afana nokushisa, izinga lokupholisa kanye nezinga lokugeleza eliphakathi ngesikhathi sokucima kungafinyelelwa, ngaleyo ndlela kuthuthukiswe ikhwalithi yokucima kanye nokuqina kokusebenza kwamaketanga okugoqa. Ngesikhathi esifanayo, ngosizo lokuhlaziywa kwedatha enkulu kanye nama-algorithms obuhlakani bokwenziwa, amapharamitha enqubo yokucima nawo angalungiswa futhi abikezelwe, anikeze isisekelo sesayensi sezinqumo zokukhiqiza zenkampani, anciphise izindleko zokukhiqiza futhi athuthukise ukusebenza kahle kokukhiqiza.
Ngamafuphi, ukukhetha indlela yokucima ugesi efanelekile kubalulekile ekwakhiweni kwamaketanga okugoqa okunembile. Ekukhiqizeni kwangempela, kubalulekile ukucabangela ngokuphelele izinto, usayizi, ukuma, izidingo zokusebenza, ukusebenza kahle kokukhiqiza kanye nezindleko zeketanga lokugoqa, ukhethe ngendlela efanele indlela yokucima ugesi, futhi ulawule ngokuqinile amapharamitha enqubo yokucima ugesi. Ngesikhathi esifanayo, qinisa ukusetshenziswa nokuphathwa kokugcinwa kwendlela yokucima ugesi ukuqinisekisa ukuthi ikhwalithi nokusebenza kweketanga lokugoqa kusesimweni esihle kakhulu. Ngokuthuthuka okuqhubekayo kwemboni kanye nokusungula izinto ezintsha kwezobuchwepheshe, sinesizathu sokukholelwa ukuthi inqubo yokucima ugesi wokugoqa okunembile yesikhathi esizayo izoba evuthiwe, esebenza kahle futhi enobungani nemvelo, inikeze ukwesekwa okuqinile ekuthuthukisweni kwensimu yokudlulisa izimboni yomhlaba wonke.