A i-i-parallel twin screw barreliphethe izikulufu ezimbili ezinobubanzi obungaguquki zihlangene nge-bore yesibalo esiyisishiyagalombili. Izikulufu ziyajika ndawonye futhi ziphushele into phambili ngokuyivalela phakathi kwezindiza, kunokuyihudulela odongeni ngendlela isikulufu esisodwa esenza ngayo. Izinketho ezimbili zedizayini zinquma ukuthi umshini ungenzani: isiqondiso sokuzungezisa (ukuzungezisa ngokuhlanganyela noma ukuzungeza) kanye nokujula kwemeshi yezikulufu (ngokugcwele, ngokwengxenye, noma cha). Thola lezo zinhlanganisela ezimbili ezilungile nezifanayo zehadiwe, izimbobo, noma i-PVC eqinile ephuma ngaphandle.
Buza abahlinzeki abathathu ukuthi iyini i-parallel twin screw barrel bese uthola izimpendulo ezintathu ezingacacile mayelana "nezikulufu ezimbili esikhundleni esisodwa." Lokho kuyawenza aphansi. Ukuhlelwa kwamawele kushintsha indlela impahla ehamba ngayo emshinini, futhi lowo mehluko owodwa womshini yingakho izikulufu ezingamawele zibamba imisebenzi isikulufu esisodwa esingakwazi.
Lo mhlahlandlela ufaka umakhenikha, izimbazo ezimbili zezigaba ezinquma ukusebenza, imininingwane yento yangempela, kanye nosayizi. Ukuze uthole isithombe esibanzi sengxenye, bheka yethuextruder screw barrel guide.
Iyini i-Parallel Twin Screw Barrel?
I-parallel twin screw barrel iyiyunithi yokwenza ipulasitiki yesikulufu esingaphandle. Inezingxenye ezimbili ezisebenza njengesistimu eyodwa: umgqomo onamabhore amabili agqagqene afakwe kuwo, wakhe ingxenye yesiphambano esiyisishiyagalombili, nezikulufu ezimbili ezihlala ngaphakathi kwalezo zibhobo.
Ukuhambisanakusho ukuthi izikulufu zigcina ububanzi obufanayo ukusuka ekugcineni kokuphakelayo kuye ekugcineni kokukhipha. Isibhobo sihlala silingana ngobude baso bonke. Lowo ngumehluko ocacile ukusuka ku-conical twin, lapho zombili izikulufu nezikulufa zibohla zibheke kufa.
Ifomu elihambisanayo linikeza umklami isigaba esiphambanayo esingaguquki ukuze asebenze ngaso sonke isikhathi ubude, okwenza kube lula ukwakha imishini emide enendawo yokuhlanganisa, yokukhipha umoya, kanye nezingxenye zokuxutshwa. Ukuqhathanisa phakathi kwamafomu amabili kuhlanganiswe yethui-i-conical vs parallel guide.
Indlela I-Parallel Twin Screw Barrel Esebenza Ngayo, Isinyathelo Ngesinyathelo
- Ukondla.Izinto ziwela emphinjeni wokuphakelayo futhi zihlale kuzo zombili izikulufu ngesikhathi esisodwa. Izikulufu ezimbili zithatha izimpushana, ama-flakes, kanye nokuphakelayo okungajwayelekile okuzabalaza ukubamba isikulufu esisodwa.
- Iyahambisa.Izikulufu ziyajika futhi ukundiza kwesikulufu esisodwa kusula umzila wesinye. Impahla ivaleleka emagumbini amise okwe-C phakathi kwezindiza futhi iphushelwe phambili ngokomshini.
- Iyancibilika.Izifudumezi zemiphongolo zinikeza ingxenye yokushisa. Okunye kuvela ku-shear njengoba i-material isetshenzwa esikhaleni esincane lapho izikulufu zigqagqana khona, okuyindawo eqine kakhulu emshinini.
- Ukuxuba.Konke ukuzungezisa kuyahlukana, kugoqe, futhi kuhlanganise kabusha umfudlana wokuncibilika. Lokho kuhlukaniswa okuphindaphindiwe yilokho okuhlakaza ama-fillers, ama-pigments, kanye nezithasiselo ngokulinganayo.
- Ukungenisa umoya.Emgqonyeni onomoya, ishaneli liyajula embotsheni yokukhipha umoya ngakho ukucindezela kwehla kufinyelele kuqanda. Umswakama nokuguquguquka kuyaphuma lapho, ngokuvamile ngaphansi kwe-vacuum.
- Ukumpompa kanye nemitha.Ingxenye yokugcina yakha ukucindezela futhi iletha ukuncibilika okuqhubekayo ku-die noma i-pelletizer.
Ukuzungezisa Ngokuhlanganyela vs Ukuzungezisa Okubala: Izikhombisi-ndlela Ezimbili, Imisebenzi Emibili
Izikulufu zingajika ziye ohlangothini olufanayo noma zibheke ezinhlangothini eziphambene. Lokho kukhetha okukodwa kushintsha uhlamvu lomshini ngokuphelele.
| Ukujikeleza ngokuhlanganyela | I-counter-rotation | |
|---|---|---|
| Isikulufu indlela | Zombili izikulufu ziphenduka ngendlela efanayo | Izikulufu ziphendukela ezinhlangothini eziphambene |
| Indlela yezinto | Ilandela umfanekiso-yesishiyagalombili kuzo zombili izikulufu | Kukhanywe nge-nip phakathi kwezikulufu |
| Shear | Iphezulu, futhi ilungiseka ngokusebenzisa ama-elementi esikulufu | Iphansi, futhi imnene entweni |
| Isivinini sesikulufa | Phezulu | Phansi |
| Ukwakhiwa kwengcindezi | Kuphakathi | Iqinile futhi iqinile |
| Okungcono kakhulu ku- | I-Compounding, masterbatch, i-extrusion esebenzayo, izinhlanganisela ezigcwele | Ipayipi le-PVC eliqinile nephrofayili, impahla engezwani nokushisa |
Ukujikeleza ngokuhlanganyelaizikulufi ziyithuluzi lokuhlanganisa. I-shear ephezulu kanye nesivinini esikhulu kuhlakaza i-glass fiber, i-pigment, kanye nesengezo kahle, okuyikhona kanye okudingwa inhlanganisela eguquliwe.
I-counter-rotationizikulufu zisebenza njengephampu enyakazayo. I-nip phakathi kwazo ithwala impahla iye phambili ngaphansi kwengcindezi eqinile ekusheleni okuphansi, futhi yilokho okufunwa yi-PVC eqinile, njengoba i-PVC iyehlisa uma uyigunda kanzima. Eyethuimiphongolo yesikulufu esiphindwe kabili esijikelezayoyakhelwe lowo msebenzi, futhi i-chemistry ngemuva kwayo ihlezi kweyethuI-I-PVC screw barrel guide.
Ngokugcwele, Ngokwengxenye, noma Okungeyona I-Meshing: I-Axis Most Guides Yeqa
Isiqondiso sokuzungezisa siyingxenye kuphela yokuhlukanisa. I-eksisi yesibili ukuthi izikulufu ezimbili zibandakanyana ngokujule kangakanani, futhi abaqondisi abaningi abalokothi bakhulume ngakho.
Izikulufu zethu ezimbili ezihambisanayo ziza ngezinhlobo ezintathu ze-meshing:i-meshing ngokugcwele, i-meshing ingxenye, futhi i-non-meshing. Umehluko ukuthi ukundiza kwesikulufa esisodwa kufinyelela kude kangakanani kumzila wesinye.
- I-meshing ngokugcwele.Ukundiza kwesikulufu esisodwa kufinyelela empandeni yesinye, kushiye igebe elincane. Lolu uhlobo oluvame kakhulu ku-extrusion yamapulasitiki, ngoba imvume eqinile inika ukugunda okuhle kakhulu nokuxubana futhi isula iziteshi zihlanzeke njengoba izikulufi ziphenduka.
- I-meshing kancane.Izikulufu ziyagqagqana, kodwa zijule kancane. Ukudlulisa kuhlala kukuhle ngenkathi kwehla i-shear, efanelana nezinto ezingakwazi ukusebenza kanzima.
- I-I-Non-meshing.Izikulufu zihlala eceleni ngaphandle kokuzibandakanya. Umshini uziphatha eduze nezikulufu ezimbili ezikodwa emgqonyeni owodwa, ngokwelashwa okuthambile kanye nokudlulisa okuhle kancane.
I-takeaway esebenzayo ukuthi "i-twin screw" iyodwa ayichazi umshini. I-meshing ngokugcwele kanye ne-counter-rotation iyithuluzi elihlukile kusukela ku-meshing ngokugcwele kanye nokuzungezisa ngokuhlanganyela, futhi kokubili kuhluke ekuhlelweni okungewona ama-meshing. Uma ucacisa isethi yokufaka esikhundleni, uhlobo lwe-meshing kufanele lufane nomshini ongowakho.
Kungani Izikulufu Ezimbili Zidlulisa Ngokuhlukile Kuzikulufu Ezizodwa
Isikulufu esisodwa siyipompo yokudonsa. Incike ekungqubuzaneni: okubalulekile kufanele kunamathele odongeni lomgqomo ngaphezu kokunamathela kusikulufu, noma ivele ijikelele endaweni esikhundleni sokuqhubekela phambili.
Lokho kuncika kubangela izinkinga zangempela. Ama-Powders, ama-flakes, kanye nesiphakeli esishelelayo noma esishayisana kancane akubambeki kahle, ngakho isikulufu siyakhuphuka noma siyalamba. Okukhiphayo bese kuyahlukahluka ngokuthi impahla ibamba kahle kangakanani ngalolo suku.
Izikulufu ezimbili zidlulisa kahle. Ukundiza kwesikulufu esisodwa kushanela umzila wesinye, ngakho-ke impahla iphushwa ngokomshini noma ibambe udonga noma cha. Okukhiphayo kuhlala kuqinile, futhi okuphakelayo okwehlula isikulufu esisodwa kudlula ngaphandle kwesikhalazo.
Kungakho futhi izikulufu ezingamawele zibusa ukuhlanganisa kanye nomsebenzi wempuphu ye-PVC. Isilinganiso esiphelele sisethuIsikulufu esisodwa vs umhlahlandlela wesikulufa samawele.
Yenziwa Ngani I-Parallel Twin Screw Barrel
Insimbi eyisisekelo ithwala umthwalo wemishini. Indawo engaphezulu kwayo ithatha ukuguga. Nazi izicaciso esakha kuzo amasethi ngezikulufu zamawele amabili ahambisanayo.
| Ukucaciswa | Inani |
|---|---|
| Izinto eziyisisekelo | 38CrMoAlA |
| Ukuqina kokwelashwa kokushisa | I-HB260–320 |
| Ubulukhuni be-Nitriding | I-HV950–1000 |
| Ukujula kwe-nitriding | 0.50–0.70 mm |
| I-I-Nitriding brittleness | Ibanga loku-1 noma ngaphezulu |
| Ubulukhuni bobuso | I-Ra0.4 |
| Ukuqina kokuqina | 0.015 mm |
| Ubulukhuni be-Chrome plating | HV950 noma ngaphezulu |
| Ubukhulu be-Chrome | 0.05–0.10 mm |
| Ukuqina kwe-Bimetallic | HRC60–65 |
| Ukujula kwe-Bimetallic | 2.0–3.0 mm |
Izinombolo ezimbili kulelo thebula zifanelwe ukunakwa uma uqhathanisa izingcaphuno.Ukuqondisa kwesikulufu ku-0.015 mminquma ukuthi izikulufu zisebenza ngokweqiniso yini ku-figure-8, futhi isikulufu esigobile sigqoka uhlangothi olulodwa lwebhore futhi sicekele phansi ukushintshwa kwaso futhi.I-I-Nitriding brittlenessukuhlola ikhwalithi abahlinzeki abaningi abalokothi bashicilele: ikesi eliqinile elikhumuka ngaphansi komthwalo esikhundleni sokumelana nokuguga.
Ngale kokwakhiwa okujwayelekile, senza ngendlela oyifisayo sibe yinsimbi yomsebenzi oshisayo, insimbi yomsebenzi obandayo, insimbi enesivinini esikhulu, insimbi yempuphu ye-HIP, nama-PTA alloys. Uma okuphakelayo kugwaza noma konakala, umzila we-bimetallic uthatha indawo ye-nitriding, kanye neyethui-bimetallic vs i-nitrided guideikhava uma lokho kukhokha.
Usayizi: Ububanzi, L/D, kanye Nokukhiphayo
Isikulufu se-diameter setha ukuphuma. I-L/D ibeka ukuthi umshini kufanele uncibilike, uxube futhi ukhiphe isikhala esingakanani endleleni. Nawa amamodeli ethu ajwayele ukusetshenziswa esikulufu amawele anezibalo zawo ezishicilelwe ku-PVC.
| Imodeli | Isikulufa idaya (mm) | L/D | I-PVC ephumayo (kg/h) | Isivinini se-screw (rpm) | I-Motor (kW) |
|---|---|---|---|---|---|
| I-NHY75 | 75 | 26–36 | 220–350 | 45 | 45 |
| I-NHY90 | 90 | 26–36 | 280–460 | 45 | 55 |
| I-NHY110 | 110 | 26–36 | 350–650 | 45 | 75 |
| I-NHY120 | 120 | 26–36 | 500-800 | 45 | 110 |
| I-NHY130 | 130 | 26–36 | 680-1000 | 45 | 132 |
Funda iphethini kunemigqa nje. Okukhiphayo cishe kulandelela ububanzi, namandla enjini akhuphuka ngawo, ngoba ukusunduza izinto eziningi kudlule kuthatha itorque eyengeziwe. Ibhendi ye-L/D ihlala injalo kubo bonke ububanzi, njengoba isilinganiso siwukukhetha komklamo kunomphumela wosayizi.
Ngaphandle kwalawa mamodeli sakha izikulufu ezihambisanayo ukusuka ku-45 mm ukuya ku-150 mm, ezine-L/D ukusuka ku-32:1 ukuya ku-38:1 kumasethi wethu wamapayipi e-PVC noma ezihambisana nolayini wakho. Lokho u-L/D akuthengela kona kuhlanganiswe kumhlahlandlela wethu wesilinganiso se-L/D, futhi uhla olugcwele luhlezi kweyethui-i-parallel twin screw product page.
Yini I-Parallel Twin Screws Ekhiqizayo Empeleni
Imindeni emine yezinhlelo zokusebenza ihlanganisa okuningi kwalokho okwenziwa yile mishini, futhi isebenzisa impahla eluhlaza iye emkhiqizweni osuphelile.
Ukuguqulwa kwepulasitiki nokuhlanganisa
Isicelo esijwayelekile kakhulu. Ukugunda okuqinile namandla okuhlakaza avumela i-polymer eyisisekelo njenge-PP, i-PE, noma i-ABS ihlanganiswe ngokulinganayo ne-glass fiber, i-carbon fibre, i-flame retardants, nama-antioxidants. Lokho kukhiqiza amamaki aqinisiwe, angavimbeli amalangabi, noma aqhubayo, njenge-PP eqiniswe nge-fiber yengilazi esetshenziswa ezingxenyeni zezimoto kanye ne-ABS engavimbeli ilangabi esetshenziswa ezintweni zikagesi.
Umbala kanye ne-masterbatch esebenzayo
Imibala egqamile, odayi, noma izithasiselo ezisebenzayo zixutshwa kunhlaka yenkampani yenethiwekhi, bese ikhishwa futhi ifakwe i-pelletized. Lokhu kukhiqiza i-masterbatch yombala yokudaya, noma i-masterbatch esebenzayo njengamamaki e-antistatic kanye ne-antibacterial. Izikulufu ezimbili zixazulula inkinga yokuxuba engalingani ekhawulela izikulufu ezizodwa kulo msebenzi.
Ukubunjwa kwe-Extrusion
Ipayipi, iphrofayili, ishidi, nefilimu. Izikulufu ezimbili zifanelana ne-high-viscosity, ama-polymers okunzima ukwenza ipulasitiki njenge-PVC ne-PC kahle kakhulu. Ipayipi lokudonsa amanzi le-PVC, iphrofayili yesicabha newindi, kanye neshidi le-PC konke kuncike ekufakweni kwepulasitiki okufanayo okulethwa isikulufu esingamawele, okuyikhona okugcina ukonakala komkhiqizo kuphansi. EyethuPVC ipayipi parallel screw imiphongoloukuphakela amanzi nepayipi lokudonsa amanzi, ipayipi likagesi, nepayipi elivikelayo.
Ukucubungula kabusha kwepulasitiki
Imfucuza ye-PP kanye ne-PE idlula ekugundani nasekushiseleni okususa ukungcola, okudambisa ingcindezi, futhi kufake kabusha izinto ezenziwe ngepulasitiki ukuze kufakwe i-pelletizing. Okuphakelayo okugaywe kabusha akuhambisani futhi kuvame ukungcoliswa, okuwuhlobo ncamashi lwezibambo ezidlulisa kahle.
Usho Kanjani Lapho I-Parallel Twin Screw Set Idinga Ukushintshwa
Ukugqokwa kwezikulufu ezimbili kubonakala ezindaweni ezifanayo njalo, futhi umshini uyakutshela ngaphambi kokuthi izingxenye zibukeke zimbi ngokusobala.
- Okukhiphayo kuyawangesivinini esifanayo sesikulufa. Ukukhishwa okugugile kuvumela ukuncibilika kushelele emuva esikhundleni sokuqhubekela phambili.
- Ukuxuba izinga lehla.Imigqa yombala noma ukusatshalaliswa kwesigcwalisi esingalingani kusho ukuthi izikulufu azisasulani kahle.
- Umthwalo wezimoto uyakhuphukaekukhiqizweni okungaguquki, okukhomba ukuhudula, ukungahambi kahle, noma ukumelana nokwakhiwa kwempahla ecekeleke phansi.
- Ukukhukhuleka kwekhwalithi yobusoemkhiqizweni oqediwe, ngokuvamile into yokuqala ebonwa ngumnyango wekhwalithi.
Qinisekisa ngezinsimbi kunemibono. Linganisa i-OD yendiza kanye ne-ID ye-bore ngokumelene nomdwebo wesakhiwo, futhi uhlole ukucaciswa kwe-intermesh, okuhlukile kuzikulufu ezingamawele futhi okulula ukukuziba.
Kungani Usebenza NoNanhaiya
I-Nanhaiya yakhe izikulufu nemiphongolo iminyaka engaphezu kwamashumi amabili futhi isebenzela amaklayenti angama-500+ emhlabeni jikelele. Eyethuububanzi bezikulufu ezingamawele amabiliihlanganisa ukuhlanganisa, imbudumbudu, ukugwebulwa kwe-PS, iphaneli ye-aluminium-plastic, irabha nepulasitiki, kanye nomsebenzi wepayipi le-PVC, ekulungiseni okujikelezayo nokuphendukayo.
Yonke isethi yenziwa ngomshini isuka ku-38CrMoAlA futhi iqedwa ukuya ezicacisweni ezikuthebula elingenhla, ngokulawulwa okuqinile kokubekezelelana nokuhlola ibhalansi okuguquguqukayo ngaphambi kokuba ithunyelwe. Amasethi ethu akhiwe ukuze afanele amabhrendi amakhulu e-extruder ahlanganisa i-KraussMaffei, i-Cincinnati, ne-Jwell, futhi senza ngendlela oyifisayo iphrofayela yesikulufu, isilinganiso sokuminyanisa, idizayini yokukhipha umoya, nezindawo zokushisisa kulayini wakho.
Ngaphambi kokucaphuna, onjiniyela bethu basebenza nawe ngamapharamitha: ububanzi, i-aspect ratio, ukujula kwe-screw groove, nokukhethwa kwezinto ezibonakalayo. Ikhotheshini ihlanganisa umkhiqizo, ukuthunyelwa, nezindleko zokulungisa okulindelekile, futhi ifinyelela kuwe phakathi kwamahora ayi-12. Ngemuva kokulethwa, ochwepheshe bethu basekela ukufakwa kanye nokugunyazwa, futhi izinkinga zangemuva kokuthengisa zithola impendulo phakathi namahora angu-24.
Udinga isethi yesikulufu esingamawele esakhelwe umshini wakho? Thumela imodeli yakho, umdwebo, noma isampula esigugile, kanye nezinto ozisebenzisayo. Sicaphuna emahoreni angu-12.
Thola i-Twin Screw Quoteimibuzo ejwayelekile ukubuzwa
Yini i-parallel twin screw barrel?
Kuyiyunithi yokwenza ipulasitiki ye-twin screw extruder: umphongolo onamabhore amabili agqagqene okwenza ingxenye eyisishiyagalombili yesiphambano, ebambe izikulufu ezimbili ezinobubanzi obungashintshi. Izikulufu zidlulisa okubalulekile phambili ngokomshini ngokuyivalela phakathi kwezindiza zazo, kunokuthembela ekungqubuzaneni odongeni lombhobho.
I-parallel twin screw barrel isebenza kanjani?
Izinto ziwela kuzo zombili izikulufu emphinjeni wesiphakeli. Njengoba izikulufi ziphenduka, ukundiza kwesinye kusula umzila wenye, kubambe impahla bese kuyiphushela phambili. Izishisi zemiphongolo nokugunda endaweni egqagqene ziyakuncibilikisa, konke ukuphenduka kuyahlukana futhi kuhlanganise kabusha ukuncibilika ukuze kuxutshwe, futhi ingxenye yokugcina yakha ingcindezi yokondla idayizi.
Uyini umehluko phakathi kokuzungezisa ngokuhlanganyela nokuzungezayo?
Izikulufu ezijikelezayo ziphenduka ngendlela efanayo futhi zilethe i-shear ephezulu ngesivinini esikhulu, evumelana nenhlanganisela, i-masterbatch, nezinhlanganisela ezigcwalisiwe. Izikulufu eziphendukayo ziphenduka zibheke ezinhlangothini eziphambene futhi zisebenze njengephampu enyakazayo, akha ingcindezi eqinile ekusheleni okuphansi. Leso senzo esimnene yilokho okudinga ipayipi le-PVC eliqinile nephrofayili.
Yiziphi izikulufu ezingamawele ezixhunywe ngokugcwele, ezine-meshing ingxenye, nezingezona izinsimbi?
Bachaza ukuthi izikulufu ezimbili zijula kangakanani. Izikulufu ze-meshing ezigcwele zifinyelela impande yomunye nomunye ngegebe elincane, zinikeza ukugunda okungcono kakhulu nokuxuba, futhi lolu uhlobo oluvame kakhulu ku-extrusion yamapulasitiki. Izikulufu ze-meshing ngokwengxenye zigqagqana kancane futhi zinciphisa ukugunda. Izikulufu ezingewona ama-meshing zihlala eceleni ngaphandle kokuzibandakanya, zinikeza ukwelashwa okuthambile.
Uyini umehluko phakathi kwezikulufu zamawele ahambisanayo neziyikhoni?
Isikulufu esingamawele ahambisanayo sigcina ububanzi obufanayo ukusuka kokuphakelayo kuye ekuphumeni, futhi ibhore ihlala ingusayizi ongashintshi. Izikulufu eziyisikulufu ezingamawele, ezinomkhawulo omkhulu wokuphakelayo ofinyela ngasekufa. Ifomu elihambisanayo linikeza ingxenye enqamulayo engaguquki ngobude, okwenza imishini emide enezingxenye zokuphuma umoya nezixubayo ziqonde ukwakha.
Kungani usebenzise isikulufu esingamawele esikhundleni sesikulufa esisodwa?
Ukudlulisa okuhle. Isikulufu esisodwa sincike ekungqubuzaneni, ngakho-ke okubalulekile kufanele kubambe udonga lomgqomo ukuze kuye phambili, futhi izimpushana, ama-flakes, kanye nokudla okushelelayo kubangela ukuqubuka. Izikulufu ezimbili zisunduza okubalulekile ngokuzibambela kungakhathaliseki ukuthi zithini, okunikeza okukhiphayo okuqinile futhi kuzivumela zibambe okuphakelayo okwehlula isikulufu esisodwa.
Zisetshenziselwa ini izikulufu ezingamawele amabili?
Imindeni emine eyinhloko: ukuguqulwa kwepulasitiki kanye nokuhlanganiswa ne-glass fiber, i-carbon fiber, noma i-flame retardants; ukukhiqizwa kombala nokusebenza kwe-masterbatch; ukukhishwa kwepayipi, iphrofayili, ishidi, nefilimu kufaka phakathi i-PVC ne-PC; kanye nokucutshungulwa kabusha kwepulasitiki lapho imfucuza ye-PP ne-PE ihlanzwa, yenziwe kabusha ipulasitiki, futhi ifakwe i-pelletized.
Ingabe izikulufu ezingamawele kufanele zishintshwe njengepheya?
Yebo. Ukucaciswa kwe-intermesh phakathi kwezikulufu ezimbili kusethwa phakathi nokukhiqizwa futhi akukwazi ukutholwa ngokufaka isikulufu esisodwa kuzakwethu osugugile. Izikulufu ezimbili ziyakhiqizwa, zihlinzekwe, futhi zishintshwe njengepheya efanisiwe, futhi kufanele zigcinwe futhi ziphathwe ngaleyo ndlela futhi.
