I-XGNB-NB Umatshini woVavanyo loMbhobho wokuQhutywa koxinzelelo

Inkcazelo emfutshane:


Iinkcukacha zeMveliso

Iithegi zeMveliso

Imveliso ihlangabezana nemigangatho ye-ISO 1167, i-GB/T 6111, i-GB/T15560, i-ASTM D1598, i-ISO9080, i-GB 18252, i-CJ/T108-1999 kunye ne-ASTM F1335 kwindlela yokuvavanya uxinzelelo lwexesha elide kunye nendlela yokuvavanya ngokukhawuleza kwimibhobho yeplastiki. kunye nemibhobho edibeneyo, kwaye iyasebenza Isetyenziselwa uvavanyo loxinzelelo lwangaphakathi lwe-static lwe-PVC, i-PE, i-PPR, i-ABS, njl. kunye nemibhobho edibeneyo.

 

①, imiyalelo yoqwalaselo
1.1 XGNB-NB-6 IndlelaUmatshini woVavanyo wokuQhutywa koxinzelelo lwemibhobho
(1) Umsinga wombane
Imilinganiselo: 560 * 590 * 1250mm
Ngekhompyuter yethebhulethi (inkqubo ye-XP, ulawulo lwamashishini, isikrini sokuchukumisa) umshicileli wombala
(2) Ibhokisi eqhotyoshelwe ngoomatshini
Imilinganiselo: 600 * 540 * 1000mm
Kubandakanya isekethe yemoto kunye namanzi (umbhobho, ivalve yesolenoid, njl.njl.)
Phakathi kwazo: 1. 1 inginginya yombane yomatshini wokuvavanya amandla ombane, kubandakanya:
(1) Ithebhulethi enye yokulawula ishishini
(2) Isethi enye yenkqubo yokulawula, kuquka isethi enye ye-6-channel precision control unit control unit
(3), isixhobo esi-1 esihlanganisiweyo sokushicilela
2. 1 umatshini eqhotyoshelwe ibhokisi, kuquka:
(1) Iseti enye yesitishi soxinzelelo lwamanzi avela kumazwe angaphandle (eUnited States);
(2) Imodyuli enye yoxinzelelo oluphambili (uxinzelelo loxinzelelo), kubandakanywa ivalve ye-solenoid yaseDutch, enye inzwa echanekileyo ephezulu (eSwitzerland), kunye ne-accumulator enye;
(3) Kukho iimodyuli ze-6 zesebe, kubandakanywa i-valve ye-solenoid (eNetherlands), i-2 kwisiphaluka ngasinye, i-12 iyonke, i-sensor echanekileyo ephezulu, i-1 kwisiphaluka ngasinye, i-6 iyonke, kunye ne-accumulators yesebe, kwisiphaluka ngasinye, bebonke be-6;
(4), isihluzo esi-1
3. Ukumelana nesoftware yovavanyo lombane 1 iseti
4. Iseti ye-1 yezixhobo ezinxulumeneyo kunye nezixhobo
5. Iseti ye-1 yentambo yamandla kunye nekhebula ledatha yonxibelelwano
6. Ukuxhasa "iNcwadi yoMsebenzisi (Umyalelo)", "iSatifikethi", "uLuhlu lokupakisha", njl.
② Intshayelelo yokusebenza
1. Ikhompyuter yethebhulethi yolawulo lweshishini ithatha indawo yendlela yemveli, ukusebenza ngokucofa ngokupheleleyo.

2. Ukusebenza okugqwesileyo, ukusebenza lula, ukubhala ngesandla, i-keyboard input, isoftware efakwe ngaphambili, ukunciphisa indawo ehlala kwikhompyuter yedesktop.

3. Hlanganisa izixhobo zokuprinta ukunciphisa inani leemeko apho abathengi baxhotyiswe ngezikhululo zokushicilela.

4. Ukwahlulwa kwamanzi kunye nombane, ukwahlulwe kwibhokisi yokulawula umbane kunye nebhokisi yendlela yamanzi yomatshini ukuphucula ukusebenza kokhuseleko.

5. Icandelo lomatshini lithatha uyilo lweemodyuli. Isebe ngalinye limodyuli, kwaye iimodyuli zabelana ngoxinzelelo oluphambili kunye noxinzelelo loxinzelelo. Uxinzelelo lwesebe lweemodyuli luzimele komnye nomnye, kwaye lunokulungelelaniswa kwaye lunqunyulwe ngendlela enye, kwaye uxinzelelo lunqanyuliwe lunqanyuliwe ngaphandle kokuchaphazela omnye nomnye. Kudibaniso lwe butt yemodyuli, ukuba ufuna ukongeza ezinye iitshaneli ezimbalwa, yongeza nje iimodyuli ezimbalwa ngaphandle kokongeza imibhobho (ngaphandle kwemibhobho yemveliso) ukunciphisa imibhobho, ngokwenjenjalo unciphisa ingxolo eyenziwa kukusebenza kwesixhobo.

6. Ukuba ufuna ukwandisa inani lamashaneli kamva, kufuneka ukhulise ibhodi yokulawula i-host host yombane kwaye ungeze iimodyuli zecandelo lomatshini (ukuya kwii-90 channels).

7. Ivalve ye-solenoid yiplate solenoid valve.

8. Isihluzi sisixhobo sokucoca isiphelo sangaphambili esine-micron-grade eyakhelweyo kwi-stainless steel filter element.
③ Iimpawu eziphambili zobugcisa
A. Uluhlu loxinzelelo 0-10MPa
B. Isigqibo 0.001 MPa
C. Ukuchaneka kokulawulwa koxinzelelo kubhetele kune-± 1% (indawo yokunyamezela uxinzelelo ilungelelanise ukuya kwi-± 0.0001 MPa)
D. Zonke iiparamitha zokulawula (uxinzelelo, ixesha, ukuchaneka) zinokufakwa okanye zilungiswe.
E. Ixesha langempela lokubonisa (ukuya kwiiyure ze-9999, imizuzu ye-59 kunye nemizuzwana ye-59), uxinzelelo (amadijithi amathathu emva kwe-decimal point) kunye nesibhozo sovavanyo (ukunyusa, imbuyekezo yoxinzelelo, ukunciphisa uxinzelelo, ukusebenza, ukuphela, ukuvuza, ukuqhuma) ngexesha elifanayo xa kukho uxinzelelo olugqithisileyo Kuya kubakho ii-alamu ezivakalayo nezibonakalayo kwiindawo ezine, ukuphela, ukuvuza kunye nokuqhuma.
F. Iyakwazi ukujonga, ukuhlalutya, ukubuza, ukugcina, ukuprinta, i-curve yokuvavanya (ixesha loxinzelelo) kunye nexesha lokuqala, ixesha lokumisela, ixesha langoku; ixesha elisebenzayo, ixesha elingasebenziyo; ixesha eseleyo, ixesha overpressure, ixesha imbuyekezo uxinzelelo, njl parameter.
④ Iseti enye yetanki yamanzi yobushushu obungaguqukiyo
450 itanki yamanzi yobushushu obuthe tye:
Imilinganiselo yangaphakathi (ubude, ububanzi kunye nokuphakama): 1800*640*900mm,
Imilinganiselo yangaphandle (ubude, ububanzi nobude): 2500*1010*1055mm
Inkqubo yokulawula ubushushu: iseti ye-15-95℃
Iqulethe: ibhokisi yokulawula ubushushu
Ifriji yobushushu obuphantsi 1
Ezona parameters zobugcisa:
Olu ngcelele lwamatanki aphakathi kobushushu (iitanki zamanzi) ziyimfuneko exhasa izixhobo zovavanyo lwexesha elide lwe-hydrostatic, ukumelana noxinzelelo lombhobho, kunye novavanyo lokuqhushumba kwangoko kwemibhobho eyahlukeneyo yeplastiki efana nePVC, PE, PP-R, ABS, njl. zisetyenziselwa amaziko ophando lwenzululwazi kunye namasebe okuhlola umgangatho. Kwaye izixhobo zokuvavanya eziyimfuneko kumashishini okuvelisa umbhobho.
Ukuthobela GB/T 6111-2003, GB/T 15560-95, GB/T 18997.1-2003, GB/T 18997.2-2003, ISO 1167-2006, ASTM D1598-2004, ASTM D1599 nezinye standards.

Iimbonakalo
Ukwakhiwa kwebhokisi Ulwakhiwo lunengqiqo kuyilo, kwaye iisampulu ezininzi zinokuvavanywa ngaxeshanye, kunye nemisebenzi ehambelanayo ezimeleyo inokwenziwa ngaphandle kokuchaphazela omnye nomnye. Ukulawula ukushisa okuzinzileyo kunye nokuchaneka okuphezulu. Zonke izixhobo zokudibanisa amanzi zenziwe ngensimbi engenasici (imibhobho, izifakelo zombhobho, izifudumezi, iivalve, njl.); i-bottom yebhokisi yakhiwe, enokuthi ithwale ubunzima be-medium kunye neesampuli zepayipi ebhokisini; ingaphakathi lebhokisi lixhotyiswe ngeesampulu zokuxhoma iintonga, Kukulungele ukubeka isampuli.
Inkqubo yokulawula ubushushu ilawulwa yi-interface ehlakaniphile, kunye nokunyamezela kokushisa kunye nokulawula (imida ephezulu kunye nezantsi) inokumiselwa ngokungenamthetho ukulungiswa kwe-PID. Ngexesha elifanayo, unomsebenzi wokurekhoda onokurekhoda idatha yokushisa yetanki yamanzi ngamakhulu eeyure, kwaye inokudluliselwa kwi-port ye-serial okanye i-USB port. Bonisa ijika kwikhompyuter.
Inkqubo yokujikeleza ithatha impompo yokujikeleza ephuma kumazwe angaphandle, enomthamo owomeleleyo wokujikeleza kunye nokulingana okuhle kobushushu.
Umzimba webhokisi u-anti-corrosion. I-tank yangaphakathi yenziwe ngetsimbi ephezulu, engayi kugqwala emva kokusetyenziswa kwexesha elide; umphandle utshizwe nge-anti-rust steel plate, entle kwaye inesisa.
Ukusebenza okugqwesileyo kokugquma Ukusebenzisa izixhobo zokugquma ezikumgangatho ophezulu (ubukhulu bomaleko wokugquma yi-80mm-100mm), iileya zangaphakathi nangaphandle zebhokisi zibekwe zodwa ngokupheleleyo ukuthintela ngokufanelekileyo ukuhanjiswa kobushushu, kwaye kukho imilinganiselo yokunciphisa iibhulorho ezishushu (okufutshane- isekethe), kunye nokugcinwa kobushushu kunye nokonga amandla.
Umlinganiselo womgangatho wamanzi / ukuzaliswa kwamanzi okukrelekrele: Inokuba nenkqubo yokulinganisa inqanaba lamanzi kunye nenkqubo ehlakaniphile yokuzaliswa kwamanzi, akukho mfuneko yokongeza amanzi ngesandla, ukugcina ixesha kunye nomgudu. Inkqubo yokuzaliswa kwamanzi ilawulwa ngumqondiso weqondo lokushisa xa inkqubo yokulinganisa inqanaba lamanzi inquma ukuba kuyimfuneko ukuzalisa amanzi. Ukuzaliswa kwamanzi kwenziwa kuphela phantsi kwemeko yokushisa rhoqo, kwaye ukuhamba kwamanzi okuzaliswa kwamanzi kulungelelaniswa ukuze kuqinisekiswe ngokufanelekileyo ukuba inkqubo yokuzaliswa kwamanzi ayichaphazeli ukuzinza kweqondo lokushisa kwitanki yamanzi.
Ukuvula ngokuzenzekelayo: Isivalo setanki enkulu yamanzi sivulwa nge-pneumatically, kwaye itanki encinci yamanzi ivulwa ngoncedo. I-angle inokulawulwa kuyo nayiphi na i-angle, ekhuselekileyo kwaye ikulungele ukuyisebenzisa, kwaye igcina ixesha kunye nomgudu.

Ukusebenza okuhambelanayo: Ayinakusetyenziswa kuphela ngeenginginya zovavanyo lwe-XGNB yeenkcazo ezahlukeneyo, kodwa inokudityaniswa ngokusebenzayo nababuki zindwendwe bovavanyo oluqhelekileyo lwamazwe ngamazwe.

IParameter yobuGcisa
1. Uluhlu lolawulo lobushushu: 15℃~95℃
2. Ukuchaneka komboniso wobushushu: 0.01℃
3. Ukuchaneka kokulawula ubushushu: ± 0.5℃

4. Ubushushu obufanayo: ±0.5℃
5. Imodi yokulawula: ulawulo lwesixhobo esikrelekrele, esinokurekhoda idatha yobushushu ngamakhulu eeyure
6. Imowudi yokubonisa: Umboniso weLCD ngesiTshayina (IsiNgesi)
7. Indlela yokuvula: ukuvulwa kwe-pneumatic
8. I-interface yedatha: Umgca wonxibelelwano ungasetyenziselwa ukudibanisa kwikhompyutheni, kwaye i-PC inokubeka iliso kwaye irekhode idatha yeqondo lokushisa kunye neenguqu ze-curve ngexesha langempela.
9. Eminye imisebenzi: Inokuba nesixhobo sokuzalisa amanzi ngokuzenzekelayo, kwaye inkqubo yokuzaliswa kwamanzi ihlakaniphile, engayi kuchaphazela inkqubo yovavanyo oluqhubekayo kunye neziphumo.
10. Izinto zetanki yangaphakathi: Itanki yangaphakathi yetanki yamanzi, imibhobho, izifakelo zemibhobho kunye nezinye iindawo ezidibana namanzi zenziwe ngetsimbi ekumgangatho ophezulu.

 

Inkcazo yeempawu zombhobho weyunithi yokuvavanya i-hydrostatic
Iimpawu ezintsha zomatshini wovavanyo wokuqhushumba wamva nje unezi mpawu zilandelayo:
① "Iyunithi yokulawula uxinzelelo lwe-microcomputer echanekileyo" ibekwe ngaphakathi kumatshini ngendlela edibeneyo yamajelo amaninzi.
②. Inkqubo yonxibelelwano ibanzi. Iyakwazi ukunxibelelana neetheminali ezininzi zokubonisa ezinjengeekhompyuter (iPC), abalawuli abacwangcisekileyo (PLC) kunye nezikrini zokuchukumisa. Iyakwazi ukuqaphela unxibelelwano olungenazingcingo phantsi kweemeko ezithile (ukufikelela kwiofisi engenazingcingo), kwaye umgama wonxibelelwano ude. Kude, ngokukhawuleza (malunga namaxesha ama-3 awokuqala).
③, ukusebenza kulula, kufuneka kuphela ukubeka ixabiso ekujoliswe kulo uxinzelelo kwi-PC, kunye neminye imisebenzi iluncedo ngakumbi.
④ Zonke ii-shunts zinokwenza uvavanyo lokwenyani lokunyusa, elona xesha lide yimizuzu engama-59 imizuzwana engama-59. Ngethuba nje ixabiso loxinzelelo kunye nexabiso lexesha libekiwe, uxinzelelo lunokunyuswa kunye ne-slope linear esondeleyo. Ngexesha elifanayo, siye saqhuba uvavanyo lokunyusa uxinzelelo lomnxeba kumbhobho omkhulu wedayamitha kunye nobude be-Φ315 kwaye unokuqinisekisa ukunyuka komgca malunga ne-8MPa ngaphakathi kwe-60S-70S.
⑤ Eyona nto ibalulekileyo kukutshintsha kwendlela yokulawula uxinzelelo. Ivalve yembuyekezo yoxinzelelo isetelwe ekuqhubeni ngokupheleleyo kunye nokuqhuba okuphakathi (ixesha kunye nokuphindaphinda kunokusetwa ngesandla). Imveliso entsha isebenzisa ithiyori yolawulo olufuzileyo (i-PID), ekwabizwa ngokuba yi-self-tuning theory, ukulawula ukonyusa kunye nembuyekezo yoxinzelelo. Ixesha kunye nexesha le-valve liya kuthelekiswa nexabiso elimiselweyo ngokwenguqu yoxinzelelo olubangelwa yisenzo sokugqibela. Ngohlengahlengiso oluzenzekelayo, zombini ixesha kunye nokuphindaphinda kwesenzo ngasinye ziveliswa ngokuzenzekelayo emva komsebenzi wokuthelekisa. Kunokuthiwa kungakhathaliseki ukuba yintoni imeko, ukunyuswa komgca kunye nozinzile kunokufezekiswa ngaphandle kokugqithisa.
⑥Imixholo yeebhokisi zencoko ezili-12 kwiinkcukacha zovavanyo olusisiseko zinokumiselwa ngokukhululekileyo ngumsebenzisi ngokweemeko ezahlukeneyo kwaye ziboniswe kwingxelo yovavanyo ukwenza ingxelo yovavanyo lwesiko.
"Iyunithi yokulawula uxinzelelo oluchanekileyo" (ulawulo lwesebe lokwenyani-lunqanda inkqubo ekulawuleni amajelo amaninzi kwaye luchaphazela onke amajelo xa inkqubo isilela-ezinye iimveliso ezikhoyo zisebenzisa inkqubo yokulawula amajelo amaninzi) ulawulo lwepaneli yoshishino lwekhompyutha, unokulawula uxinzelelo, ukuchaneka. , ixesha kunye nezinye iiparamitha zesebe ngalinye; umboniso wexesha langempela loxinzelelo, ixesha, isimo (isibhozo) kunye nokugcinwa kwedatha yeparameter nganye. (Ukuthintela ukulahleka kwedatha xa inkqubo yekhompyutheni ingaxhunyiwe kwi-intanethi, inokugcina ukuya kwiiyure ze-8760 zedatha yoxinzelelo-xa ezinye iimveliso zingaxhunyiwe kwi-intanethi, akukho datha ilingana neli xesha lexesha. Uvavanyo alunamsebenzi); kwangaxeshanye, inokwahlula ukonyuswa, imbuyekezo yoxinzelelo, ukukhululeka koxinzelelo, kunye noxinzelelo olugqithisileyo. , Ukubaleka, ukuphela, ukuvuza, kunye nokugqabhuka iintlobo ezisibhozo zovavanyo; ukuchongwa ngokuzenzekelayo "ixesha lokuvavanya elisebenzayo" (ixesha apho uxinzelelo lungaphakathi kwendawo yokunyamezela uxinzelelo olumiselweyo), "ixesha elingasebenziyo", "ixesha eliseleyo" kunye nezinye iiparitha zexesha. Kwangaxeshanye, ubudlelwane phakathi "kwexesha elimisiweyo" kunye "nexesha elisebenzayo" lihlengahlengiswa ngokuzenzekelayo ukuze uvavanyo luyeke ngokuzenzekelayo xa "ixesha elisebenzayo" lifikelela "kwixesha elimisiweyo" (ukuthintela "ixesha lokungaphumeleli" kunye "nokungasebenzi". ixesha” ngexesha lasebusuku, ngeeholide, njl.njl. Xa inkqubo iyema xa ixesha lingekapheli)
I-valve ye-solenoid evela kumazwe angaphandle, ngenxa yokwamkelwa kwenkqubo yokulawula uxinzelelo oluphezulu lwamazwe ngamazwe, ii-valve ezimbini ze-solenoid ziyakwazi ukusebenza ngokwahlukileyo ngokweenkqubo kunye neemeko zokuvavanya ukufezekisa uluhlu olubanzi lwezicelo (Ø20-Ø630PE ityhubhu) kunye nokuchaneka kokulawula uxinzelelo oluphezulu. (engcono kune ±1%, eyona iphakamileyo) Ukuya kuthi ga kwi-±0.001MPa) iimfuno.
Iseti yesikhululo soxinzelelo lwamanzi avela kumazwe angaphandle, enomsebenzi ongcono kuneempompo zovavanyo loxinzelelo lwamanzi asekhaya kunye neempompo zamanzi eziqhutywa ngegesi ezinemveliso ethile (amanzi aqhutywa ngegesi), ubomi obude, ingxolo ephantsi kwaye akukho mpompo yomoya (umthombo).
Kukho inzwa enye ephezulu echanekileyo kwitshaneli nganye, iqinisekisa isisombululo se-0.001 MPa kunye nokuchaneka kokulawula uxinzelelo oluphezulu kwixabiso elimiselweyo le-± 0.001 MPa.

Uphawu lwemveliso
A. Ilawulwa yi-tablet yekhompyutheni ye-industrial, izixhobo zokushicilela ezidibeneyo ezingezantsi, ukusebenza kakuhle kunye nokusebenza kakuhle, ukuyila kokuhlukana kwamanzi kunye nombane kukhuselekile kwaye kunokwethenjelwa, kunye noyilo oludityanisiweyo lweemodyuli lwenza ukuba umthamo ube mncinci, kulula ukuwubeka nokugcina nokulawula.
B. Ukususela kuxinzelelo lwenkqubo ephambili ukuya kuxinzelelo lwesebe ngalinye, kwaye emva koko ukuya kwii-ports ezahlukeneyo zemveliso yesebe ngalinye, iilophu ezintathu zokulawula ezizimeleyo zenziwe, ezizimeleyo kwaye zisetyenziswe ngokwahlukileyo.
C. Isebe ngalinye lixhotyiswe "iyunithi yokulawula uxinzelelo lwe-microcomputer echanekileyo" eyenzelwe ngokusekelwe kwingcamango yekhompyutheni ye-industrial, engakwazi ukusebenza kuphela ixesha elide ngaphandle kokusilela, kodwa nokuthintela ezinye iisekethe ukuba zingasebenziseki ngenxa yokusilela. isekethe enye.
D. Into ephambili yokulawula uxinzelelo yi-valve ye-solenoid evela kumazwe angaphandle, enokuqinisekisa ukusebenza okukhuselekileyo kwizigidi zamaxesha.
E. Kukho ii-valve ze-solenoid ezininzi kwisekethe nganye, ezilawulwa ziiprogram zesoftware ngokuhambelana noxinzelelo lwangempela lokuqinisekisa ukuba uxinzelelo lugqithise kwaye uxinzelelo lugcinwa kwixabiso eliphezulu ngaphezu kwe-± 1%.
F. Inkqubo yenzelwe ukuthintela ukugqwala, kwaye ityhubhu yokukhupha uxinzelelo iqinisekisa ukuba ayiyi kuba mdala ixesha elide kwi-95 ° C.
Ukongeza koku kungasentla, kufuneka kwakhona ichaze:
a Ukuthembeka, okona kuninzi kuvavanyo lokumelana nombane

Uvavanyo lwexesha elide luvavanyo lwe-8760. Ngaphandle kokungeniswa ngaphandle, onke amaziko ovavanyo asekhaya aliqela anale nto yovavanyo ayimveliso yenkampani yethu.
Ezi zixhobo sele zisebenza iminyaka emi-4-5, kwaye uvavanyo ngalunye lwenziwa unyaka omnye, kwaye zikwimeko entle. Ke ngoko, ukuthembeka kwezixhobo zenkampani yethu kuhle kakhulu, kwaye ukuba izixhobo zakho zifuna ukwenza olu vavanyo, unokuqinisekiswa.
b ukuguquguquka
Amazwe angaphandle ngokubanzi aneemfuno ezingqongqo kwiimeko zovavanyo, uluhlu loxinzelelo, iimveliso, njl., kodwa hayi ngaphakathi. Abasebenzisi abaninzi banommandla wovavanyo olubi, kunye nezixhobo ezahlukeneyo kunye neediameter ezahlukeneyo, ezinye zifuna i-10MPa kwaye ezinye zifuna i-0.05MPa, kwaye zifuna izixhobo ukuba zaneliswe, ngoko siye sayila ngokuhambelanayo.
①. Abanye abasebenzisi bavavanya iimveliso ezithile kwisixa esikhulu kangangexesha elithile (uxinzelelo lugxininiswe kuluhlu olunye), kwaye kwelinye ixesha bavavanya inani elikhulu lezinye iimveliso (uxinzelelo lugxile kolunye uluhlu), kwaye ngamanye amaxesha. kukho ngaphezu kokufunyanwa koluhlu lwezixhobo, ngoko siyila Umsebenzisi unokutshintsha uluhlu ngokwakhe.
② Xa umsebenzisi etshintsha uluhlu okanye umsebenzisi ethandabuza ngokufunda okanye ukuchaneka komatshini, siye sayila inkqubo yokuzilungisa kumatshini ukuze umsebenzisi ayisebenzise.
C. Indlela yokulawula: Kwixesha elidlulileyo, i-valve ye-solenoid ye-energization state yalungiswa, kwaye ubungakanani bembuyekezo yoxinzelelo lunokufezekiswa kuphela ngokulungelelanisa izinga lokuhamba. Ngoku ubudlelwane bengqiqo yesenzo se-valve ye-solenoid sinokuhlengahlengiswa ngokusebenzisa izicwangciso ezahlukeneyo zeparameter ukufezekisa ukulungiswa kwempembelelo yembuyekezo yoxinzelelo.


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