Njengesixhobo esiphambili sokwenza imveliso yobuninzi befektri, umxube we-silicone sealant yentsimbi engagqwaliyo usebenza phantsi kwemithwalo ephezulu ixesha elide. Iimpazamo ezincinci azinakuphepheka - i-vacuum ayizukufikelela kumanqanaba afunekayo, iingxolo ezingaqhelekanga ezivela kwi-agitator, ukuvuza kwezinto, umhlwa emzimbeni... Ezi ngxaki zinokubonakala zincinci, kodwa zichaphazela ngokuthe ngqo iishedyuli zemveliso, zinokubangela ukulahla imveliso, umonakalo wezixhobo, kunye nelahleko ezingeyomfuneko kwifektri.
Abasebenzi abaninzi bokulungisa bayaphakuzela xa kuvela iimpazamo, bengaqinisekanga apho bafanele baqale khona ukusombulula iingxaki. Bavala nje umatshini baze balinde ukulungiswa komenzi, nto leyo echitha ixesha elibalulekileyo lokuvelisa. Enyanisweni, iimpazamo ezininzi eziqhelekileyo zinokusonjululwa ngokukhawuleza xa unobangela ufunyenwe - ngaphandle kokufuna iingcali eziqeqeshiweyo kwindawo yokusebenza.
Eli nqaku lenzelwe abasebenzi bokulungisa ii-workshop kunye nabaphathi bezixhobo. Lishwankathela iimpazamo ezintandathu eziqhelekileyo ze-stainless steel silicone sealant mixers, lizahlula nganye "ngeempawu zempazamo + uhlalutyo lwesizathu + izisombululo." Likwabandakanya iingcebiso zokulungisa iingxaki ezingxamisekileyo kunye neendlela zokuthintela, ezikunceda uhlale uzolile xa kuvela iimpazamo, ubuyisele imveliso ngokukhawuleza, kwaye uphephe ixesha lokungasebenzi kunye nokuphinda usebenze.
Le yeyona ngxaki ixhaphakileyo kwii-mixers ze-silicone sealant zentsimbi engagqwaliyo. Idla ngokunxulumene nee-seal, iipayipi, okanye i-vacuum pump, nto leyo echaphazela ngokuthe ngqo ukusebenza kakuhle kokukhupha igesi kwizinto kwaye ikhokelela kwiibhamuza, i-voids, kunye nezinye iziphene zemveliso.
Emva kokuqalisa inkqubo ye-vacuum, i-vacuum gauge ibonisa ukufundwa okuphantsi okungenakufikelela kwi-≤ -0.098 MPa, okanye inqanaba le-vacuum alizinzanga - litshintshatshintsha phezulu nasezantsi.
| Okubalulekileyo | Unobangela | Ingcaciso |
|---|---|---|
| 1 | Izitywina ezigugileyo okanye ezonakeleyo | Izitywino zoomatshini okanye iiringi zokuvala ezigqunyiweyo zigugile, zikhubazekile, okanye zinentsalela/ukungcola kwezinto ezikwiindawo zokuvala, nto leyo ebangela ukuvuza komoya. |
| 2 | Isigqubuthelo asitshixwanga kakuhle | Emva kokuphakamisa nokwehlisa, isigqubuthelo asitshixwanga ngokupheleleyo - izikhewu zivumela umoya ukuba ungene etankini |
| 3 | Ukuvuza okanye ukuvaleka kombhobho wevacuum | Uqhagamshelo lwemibhobho olukhululekileyo okanye olonakeleyo, okanye intsalela/ukungcola ngaphakathi kwemibhobho okubangela ukuvuza komoya okanye ukuhamba okulinganiselweyo |
| 4 | Ukungasebenzi kakuhle kwepompo ye-vacuum | Ioyile yepompo ye-vacuum ephantsi okanye eyonakeleyo, okanye izinto zangaphakathi ezigugileyo ezinciphisa ukusebenza kakuhle kokumpompa |
| 5 | Ukulayisha kakhulu itanki | Umthamo wezinto ezisetyenzisiweyo udlula i-80% yomthamo wetanki – izinto ezisetyenzisiweyo zithatha indawo yokucoca umoya, zithintela inqanaba lokucoca umoya elifunekayo |
Jonga isitshixo sesiciko: Ukuba asitshixwanga kakuhle, vala kwaye utshixe isigqubuthelo kwakhona, uze uvavanye kwakhona inqanaba le-vacuum.
Hlola izitywini: Vula isigqubuthelo, ucoce intsalela/ukungcola okuvela kwiindawo zokuvala. Jonga ukuba izindandatho zokuvala zigugile okanye zonakele na. Ukuba kunjalo, zitshintshe ngoko nangoko. Qinisekisa ukuba iindawo zokuvala zilingana kakuhle emva kokutshintshwa.
Hlola imibhobho ye-vacuum: Jonga uqhagamshelo ngalunye lombhobho nganye nganye. Qinisa uqhagamshelo olukhululekileyo. Lungisa okanye utshintshe imibhobho eyonakeleyo. Susa intsalela/ukungcola kwimibhobho ukuqinisekisa ukuhamba kakuhle.
Jonga ipompo ye-vacuum: Yongeza ioyile yepompo ye-vacuum. Ukuba ioyile inamafu okanye yonakele, yitshintshe ngeoyile entsha. Ukuba ipompo yenza ingxolo engaqhelekanga okanye ishushu kakhulu, yima ukuze ihlolwe – jonga ukuguguleka kwenxalenye yangaphakathi, lungisa okanye utshintshe njengoko kufuneka.
Jonga ubungakanani bezinto ezisetyenzisiweyo: Ukuba zigcwele kakhulu, susa izinto ezigqithisileyo. Lawula ubungakanani bezinto ezisetyenzisiweyo ukuya kuthi ga kwi-70-80% yomthamo wetanki, uze uphinde uzikhuphe.
Ukuba kufuneka imveliso engxamisekileyo, songa okwethutyana imibhobho yoqhagamshelo uze uvale izikhewu ngeteyipu yokutywina ukuze uphucule inqanaba le-vacuum. Emva koko uhlole kakuhle kwaye ufake ezinye izitywini kwakhona kwixesha elizayo.
Inkqubo yokuvuthuza yeyona nto iphambili kwizixhobo. Ukusebenza okungaqhelekanga kwe-agitator kukhokelela ekusasazekeni kwezinto ezingalinganiyo kunye nokusebenza kakuhle kwemveliso okunciphileyo. Amatyala aqatha anokonakalisa injini, ibhokisi yegiya, kunye nezinye izinto eziphambili.
Emva kokuqalisa inkqubo yokushukuma, iiblade ze-agitator zivelisa ingxolo engaqhelekanga (izandi zokukhuhla okanye zokungqongqoza), zinamathela ngexesha lokujikeleza, okanye zisebenze ngaphantsi komgama wesantya ofunekayo - nto leyo ebangela ukusebenza okuphantsi kakhulu kokusasazeka.
| Unobangela | Ingcaciso |
|---|---|
| Izinto ezidityanisiweyo nezivuselela umsindo | Izinto ezinganyangwanga ezinee-agglomerate ezinkulu ezifakwe etankini, ezithintela ii-agitator blades |
| Iiblade ze-agitator ezikhululekileyo okanye ezingalungelelananga kakuhle | Emva kokusebenza ixesha elide, iibholithi zokulungisa ziyakhululeka okanye iishafti zingahambelani kakuhle, nto leyo ebangela ukuba iiblayidi zikhuhle okanye zibethe udonga lwetanki. |
| Ukusilela kwebhokisi yegiya | Ioyile yebhokisi yegiya engonelanga okanye eyonakeleyo, okanye iigiya/iibheringi zangaphakathi ezigugileyo – ezibangela ukudluliselwa kwamandla ombane okungekho semgangathweni, ukulahleka kwesantya, kunye nengxolo engaqhelekanga |
| Iingxaki zemoto | I-voltage engazinzile, iingcingo ezikhululekileyo, okanye ukungasebenzi kakuhle kwenjini yangaphakathi - okubangela isantya senjini esinganelanga okanye ukusebenza okungaqhelekanga |
| Ukonakala okanye ukuguqulwa kweblade yescraper | Isikrweli se-PTFE esigugileyo okanye esinobugoso – ukungadibani kakuhle nodonga lwetanki, okubangela ingxolo yokungqubana ngexesha lokujikeleza |
Yima ngoko nangoko kwaye ukhuphe umbane. Susa izinto ezidityanisiweyo etankini. Qinisekisa ukuba akukho ngxaki phambi kokuba uyiqalise kwakhona.
Hlola iiblade ze-agitator: Qinisa iibholiti zokulungisa. Lungisa indawo yeshaft ukuqinisekisa ukuba ayidibani nodonga lwetanki ngexesha lokujikeleza. Lungisa okanye utshintshe iiblade ezigugileyo/ezinobugoxo.
Jonga ibhokisi yegiya: Yongeza ioyile yokuthambisa. Yitshintshe ukuba yonakele. Ukuba ibhokisi yegiya yenza ingxolo engaqhelekanga okanye ishushu kakhulu, yima ukuze ihlolwe - jonga ukuguguleka kwangaphakathi kwenxalenye.
Jonga i-motor: Hlola i-voltage ye-motor kunye neentambo. Qinisa uqhagamshelo olukhululekileyo. Lungisa i-voltage ukuba ayizinzanga. Ukuba i-motor yangaphakathi ayisebenzi, qhagamshelana nabasebenzi bokulungisa.
Jonga i-blade yokukrazula: Buyisela i-PTFE scraper egugileyo okanye ekhubazekileyo. Lungisa indawo yokukrazula ukuqinisekisa ukuba idibana ngokuqinileyo nodonga lwetanki, uphephe ukungqubana.
Iingxaki zokuvuza zihlala zinxulumene nezitywino, imibhobho, okanye itanki ngokwayo. Azichithi nje kuphela izinto kodwa zikwadla ngokonakalisa umzimba wentsimbi engagqwaliyo, zichaphazela ubomi bezixhobo, kwaye zidala neengozi zokhuseleko.
Ngexesha lokusebenza kwezixhobo, izinto ziyavuza zisuka ezantsi kwetanki, uqhagamshelo lwesigqubuthelo, okanye uqhagamshelo lwepayipi. Okanye ioyile iyavuza kwinkqubo ye-hydraulic okanye kwibhokisi yegiya.
| Unobangela | Ingcaciso |
|---|---|
| Izitywina ezigugileyo okanye ezonakeleyo | Izivalo zesiciko, izivalo zoomatshini, okanye izivalo zepayipi zigugile okanye zigugile – nto leyo ebangela ukuvuza kwezinto okanye ioyile |
| Iiweld zetanki eziqhekekileyo | Ukugqwala kwezinto ezisetyenziswa ixesha elide kunye nokungcangcazela kwezixhobo kubangela ukuqhekeka kwiintsimbi zetanki zentsimbi engagqwaliyo |
| Uqhagamshelo lwemibhobho ekhululekileyo okanye eyonakeleyo | Uqhagamshelo lwemibhobho ye-vacuum ekhululekileyo, i-hydraulic, okanye i-discharge - okanye imibhobho eyonakeleyo - ebangela ukuvuza |
| Ukusilela kwenkqubo ye-hydraulic | Ukutywinwa kakubi kweyunithi yamandla e-hydraulic, ii-cylinders, okanye ii-valve blocks - okubangela ukuvuza kwe-hydraulic oil |
| Isigqubuthelo asitshixwanga kakuhle | Isigqubuthelo asitshixwanga ngokupheleleyo – iindawo zokuvala azifakwanga kakuhle – nto leyo ebangela ukuvuza kwezinto |
Misa kwaye ukhuphe umbane. Coca izinto ezivuzayo kunye neoyile ukuze uthintele ukugqwala komzimba wentsimbi engagqwaliyo.
Hlola izitywini: Buyisela izitywini ezigugileyo okanye ezindala (izitywini zokugquma, izitywini zoomatshini, izitywini zepayipi). Qinisekisa ukuba zitywinwe kakuhle.
Hlola ii-welds zetanki: Ukuba kufunyenwe iintanda, nxibelelana nomenzi ngokukhawuleza ukuze kulungiswe iintambo – thintela ukwanda kweentanda.
Hlola iipayipi: Qinisa uqhagamshelo lweepayipi. Lungisa okanye utshintshe iipayipi ezonakeleyo.
Hlola inkqubo ye-hydraulic: Jonga izitywino kwiyunithi yamandla e-hydraulic, ii-cylinders, kunye nee-valve blocks. Buyisela izitywino kwiindawo ezivuzayo. Gcwalisa ioyile ye-hydraulic.
Jonga isigqubuthelo: Phinda usitshixe isigqubuthelo ngokukhuselekileyo. Qinisekisa ukuba imiphezulu yokutywina ilingana kakuhle ngaphandle kwezithuba.
Eyona nzuzo iphambili yokwakhiwa kwentsimbi engagqwaliyo kukumelana nokugqwala. Nangona kunjalo, ukusebenza okanye ukulungiswa okungafanelekanga kusenokubangela ukugqwala, okuchaphazela ukubonakala kwezixhobo kunye nokumelana nokugqwala. Amatyala anzima anokonakalisa itanki kwaye angcolise izinto.
Umhlwa onamachaphaza okanye umhlwa onomcu uvela emzimbeni wentsimbi engagqwaliyo okanye eludongeni lwetanki yangaphakathi. Umhlwa ungasasazeka, uchaphazele inkangeleko kunye nokusebenza kwezixhobo.
| Unobangela | Ingcaciso |
|---|---|
| Imikrwelo yomphezulu enganyangwanga | Izinto ezibukhali zikrwela umphezulu wentsimbi engagqwaliyo, zonakalisa umaleko ongasebenziyo. Xa zichatshazelwe kukufuma okanye izinto ezirhabaxa, kuvela umhlwa |
| Ukudibana nezinto ezidlaka kakhulu | Ukudibana ixesha elide nee-asidi ezinamandla, ii-alkali, okanye ii-chloride - okanye ukucoca ngezinto ezibangela ukubola okukhulu - kubangela ukubola komphezulu kunye nokugqwala |
| Ukucoca okunganelanga | Intsalela yezinto ezishiywe kwiindawo zentsimbi engagqwaliyo ixesha elide ziyakhazimla kwaye zigqwale umphezulu, zivelise umhlwa |
| Indawo efumileyo ixesha elide | Ukufuma kunye nokufuma kweworkshop kubangela ukuvezwa kwamanzi ixesha elide, okukhokelela ekungcolisweni kwamanzi kunye nokugqwala |
Umhlwa omncinci: Sula amabala omhlwa ngesicoci sentsimbi engagqwaliyo. Hlamba ngamanzi acocekileyo. Sula yome ngelaphu elomileyo. Faka inani elincinci le-anti-rust steel engagqwaliyo ukuze womeleze ukumelana nokugqwala.
Umhlwa ophakathi/onzima: Iindawo ezirhabaxa ezipholishiweyo ngentsimbi engagqwaliyo yokupholisha ukuze ususe iileya zomhlwa kwaye ubuyisele ukukhazimla komphezulu. Faka i-anti-rust agent. Ukuba umhlwa unzima kwiindonga zangaphakathi zetanki uchaphazela umgangatho wezinto, nxibelelana nomenzi ukuze alungiswe ngobuchule.
Imikrwelo yesiphatho: Ukuba umhlwa ubangelwa yimikrwelo, qala ngokuyipolisha uze uyilungise, emva koko faka i-anti-rust agent ukuthintela ukuphinda kuvele.
Phucula imeko-bume: Gcina indawo yokusebenzela inomoya ococekileyo kwaye yomile. Ziphephe iimeko ezifumileyo ixesha elide. Musa ukusebenzisa izinto zokucoca ezidla ngokubola kakhulu. Ziphephe ukudibana nezinto ezidla ngokubola kakhulu.
Ukusilela kwenkqubo yolawulo lobushushu kukhokelela kubushushu obungaqhelekanga bezinto, nto leyo echaphazela umgangatho wemveliso (umz., ukungaphumeleli kwe-silicone sealant cross-linking, ukonakala kwe-lithium battery slurry) kunye nezixhobo ezinokubangela umonakalo.
Emva kokuqalisa inkqubo yolawulo lobushushu, ubushushu abunakunyuswa okanye buncitshiswe, okanye ubushushu buyatshintshatshintsha ngokugqithisileyo ngaphandle koluhlu olufunekayo (0-150°C / 32-302°F). Umboniso wesilawuli sobushushu awuqhelekanga.
| Unobangela | Ingcaciso |
|---|---|
| Ukungaphumeleli kwesenzi sobushushu | Isensor yonakele okanye inobuthathaka obuphantsi - ayikwazi ukubona ubushushu betanki ngokuchanekileyo, nto leyo ethintela ulawulo oluqhelekileyo lobushushu |
| Iingxaki zeoyile yokudlulisa ubushushu / amanzi okupholisa | Ioyile yokudlulisa ubushushu enganelanga okanye eyonakeleyo, okanye ukujikeleza kwamanzi apholisayo okungalunganga okanye ukucima kwamanzi - kunciphisa ukusebenza kakuhle kokufudumeza/kokupholisa |
| Ukusilela kwesilawuli sobushushu | Izinto zangaphakathi zesilawuli sobushushu zonakele – azikwazi ukufumana imiqondiso yesensa okanye imiyalelo yokulawula ukuphuma |
| Ukuvaleka kwejakethi/ikhoyili | Isikali okanye intsalela yezinto ezingaphakathi kwijakethi yokulawula ubushushu okanye i-coil ivimba imibhobho, nto leyo echaphazela ukudluliselwa kobushushu |
Hlola inzwa yobushushu: Buyisela inzwa eyonakeleyo. Lungisa uvakalelo lwenzwa ukuqinisekisa ukufunyanwa kobushushu ngokuchanekileyo.
Jonga ioyile yokudlulisa ubushushu / amanzi okupholisa: Yongeza ioyile yokudlulisa ubushushu. Yitshintshe ukuba yonakele. Jonga inkqubo yokujikeleza kwamanzi okupholisa - qinisekisa ukuhamba kakuhle. Yongeza amanzi okupholisa.
Jonga isilawuli sobushushu: Nxibelelana nabasebenzi bokulungisa ukuze bahlole isilawuli. Buyisela izinto zangaphakathi ezonakeleyo ukuqinisekisa ukusebenza okuqhelekileyo.
Ijakethi/ikhoyili ecocekileyo: Emva kokumisa umatshini, susa isikali kunye nentsalela yezinto ezisetyenzisiweyo kwijakethi nakwikhoyili. Qinisekisa ukuba imibhobho ithambile ukuphucula ukusebenza kakuhle kokudlulisa ubushushu.
Ukukhupha ukungcola okungalunganga kukhokelela kwintsalela yezinto kunye nenkunkuma eninzi, kwandisa ubunzima bokucoca, kwaye kunciphisa ukusebenza kakuhle kwemveliso.
Emva kokuba ukusasazwa kugqityiwe, izinto azinakukhutshwa ngokukhawuleza, okanye inkqubo yokukhupha izinto iyaqhubeka. Inani elikhulu lezinto lihlala etankini, nto leyo eyenza kube nzima ukucoca.
| Unobangela | Ingcaciso |
|---|---|
| Ukuvaleka kwenkqubo yokukhupha amanzi | Intsalela yezinto okanye ukwakheka kwekristale kwindawo yokukhupha okanye kwimibhobho yokukhupha ibangela ukuvaleka |
| Ubuninzi bezinto ezibonakalayo buphezulu kakhulu | Emva kokusasazeka, i-viscosity yezinto iphezulu kakhulu - ukufuma okungachanekanga kukhokelela ekukhutshweni kancinci kwezinto |
| Ukunxitywa kweeblade ze-scraper | I-blade yokukrazula egugileyo okanye i-PTFE yokukrazula ayinakususa ngokupheleleyo izinto ezikwiindonga zetanki nasezantsi - intsalela eninzi |
| Ukusilela kwenkqubo yokukhupha igesi | Ukungasebenzi kakuhle kwe-hydraulic extruder okanye i-gear pump - amandla angonelanga abangela ukukhupha amanzi rhoqo |
Coca inkqubo yokukhupha: Emva kokumisa, susa intsalela yezinto kunye ne-crystallization kwi-discharge port kunye nemibhobho yokukhupha. Qinisekisa ukuba ukukhupha kuhamba kakuhle.
Lungisa ukuqina kwezinto: Ngokusekelwe kwiimpawu zezinto, yongeza isinyibilikisi esifanelekileyo ukunciphisa ukuqina kwezinto kunye nokuphucula ukutyibilika kwazo.
Buyisela iblade yokukrazula: Buyisela iblade yokukrazula egugileyo kunye ne-PTFE yokukrazula. Qinisekisa ukuba izinto zisuswa ngokupheleleyo eludongeni lwetanki nasezantsi ukuze kuncitshiswe intsalela.
Hlola inkqubo yokukhupha: Jonga i-hydraulic extruder okanye ipompo yegiya. Chonga iziphene. Lungisa okanye ufake enye njengoko kufuneka ukuqinisekisa ukusebenza okuqhelekileyo.
Xa kuvela iziphene ngequbuliso kwizixhobo ngexesha lokuveliswa, landela la manyathelo ukuthintela ukunyuka kweziphene nokunciphisa ilahleko:
| Inyathelo | Isenzo |
|---|---|
| 1 | Yima kwaye ukhuphe umbane ngoko nangoko. Nokuba loluphi uhlobo lwesiphene, qala umise umatshini kwaye unqumle umbane. Thintela ukonakaliswa okungakumbi kwenxalenye kwaye uqinisekise ukhuseleko lomqhubi. |
| 2 | Xazulula iingxaki ezilula. Ngokusekelwe kwiimpawu zeengxaki, beka phambili iingxaki ezilula ezifana nezitywino, uqhagamshelo olukhululekileyo, okanye ukuvaleka. Ukuba zisonjululwe ngokukhawuleza, qalisa kwakhona uze uvavanye. |
| 3 | Ulawulo lomonakalo ongxamisekileyo. Xa kuvuza izinto okanye kushushu ngendlela engaqhelekanga, hlamba izinto ezivuzayo ngokukhawuleza uze uyeke ukuzityisa – thintela ukubola kwezinto ezilahliweyo kunye nokubola kwezixhobo. |
| 4 | Nxibelelana nolungiso lweengcali. Ukuba kukho iziphene ezinzima (umonakalo wegiya, ii-weld zetanki eziqhekekileyo), qhagamshelana nomenzi wezixhobo oneempawu zeziphene ukuze ufumane isikhokelo sobungcali. Kuphephe ukulungiswa okungabonakaliyo okunokwenza umonakalo ube mbi ngakumbi. |
Ukuthintela kungcono kunokusombulula iingxaki. Ukulandela ezi ndlela zintathu kunokunciphisa kakhulu iimpazamo eziqhelekileyo:
Landela ngokungqongqo iinkqubo zokusebenza kwezixhobo. Kuphephe ukulayisha kakhulu, ukulungisa isantya esigqithisileyo, ukuqala ukushukuma ngaphambi kokuba i-vacuum ifikelele kwinqanaba elifunekayo, kunye neminye imisebenzi engafanelekanga.
Sebenzisa ngokungqongqo iishedyuli zokugcinwa kwemihla ngemihla, veki nganye, nyanga zonke, kunye nonyaka. Gxila ekuhloleni izitywini, ioyile yokuthambisa, inkqubo yokutshiza, kunye nenkqubo yokulawula ubushushu. Tshintsha izinto ezigugileyo okanye ezindala ngokukhawuleza.
Nqanda izinto ezibukhali zingakrweli umphezulu wentsimbi engagqwaliyo. Musa ukusebenzisa izinto zokucoca ezidla ngokugqwala kakhulu. Gcina indawo yokusebenzela inomoya kwaye yomile. Sebenzisa amanyathelo okukhusela uthuli, ukhuseleko lokufuma, kunye nokukhusela ukugqwala.
Iimpazamo eziqhelekileyo kwii-mixers ze-silicone sealant zentsimbi engagqwaliyo zinxulumene nokusebenza kakubi kunye nokugcinwa okunganelanga. Ngokuziqhelanisa neendlela zokusombulula iingxaki kunye nezisombululo kweli nqaku, unokuchonga ngokukhawuleza izizathu kwaye usombulule iingxaki xa kuvela iimpazamo - ukuphepha ixesha lokungasebenzi, ukunciphisa inkunkuma yezinto, kunye nokuthintela umonakalo kwizixhobo.
Kubasebenzi bokulungisa, ukuqhelana neziphene eziqhelekileyo kunye neendlela zokusombulula iingxaki akuphuculi nje kuphela ukusebenza kakuhle komsebenzi kodwa kwandisa nobomi bezixhobo - kukhusela imveliso enkulu yefektri. Ukuba kuvela iziphene ezinzima ezingenakulungiswa zodwa, nxibelelana nomenzi wezixhobo ngokukhawuleza ukuze ufumane inkxaso yobungcali - kuphephe ukulungiswa ngokungaboniyo.