A i-i-parallel twin screw barrelibamba izikrufu ezibini zedayamitha engaguqukiyo ngapha nangapha kumzobo osibhozo. Izikrufu ziyajika kunye kwaye zityhale imathiriyeli phambili ngokuyirhintyela phakathi kwenqwelomoya, endaweni yokuyirhuqa eludongeni ngendlela esenza ngayo isikrufu esinye. Iinketho ezimbini zoyilo zithatha isigqibo malunga nokuba yintoni enokwenziwa ngumatshini: isalathiso sokujikeleza (i-co-rotation okanye i-counter-roting) kunye nokuba nzulu kangakanani i-mesh ye-screws (ngokupheleleyo, ngokuyinxenye, okanye hayi kwaphela). Fumana ezo zimbini zilungile kunye neekhompawundi zehardware ezifanayo, iivent, okanye i-PVC ekhutshiweyo eyomeleleyo.
Buza ababoneleli abathathu ukuba yintoni i-parallel twin screw barrel kwaye ufumana iimpendulo ezintathu ezingacacanga malunga "nezikrufu ezibini endaweni yesinye." Oko kuyayixabisa. Ulungelelwaniso lwamawele lutshintsha indlela izinto ezihamba ngayo kumatshini, kwaye loo mahluko omnye womatshini kungenxa yokuba izikrufu ezingamawele zibamba imisebenzi isikrufu esinye asinako.
Esi sikhokelo sigubungela ubuchwephesha, iiasi ezimbini zokuhlela ezithatha isigqibo sokusebenza, iinkcazo zemathiriyeli yokwenyani, kunye nobungakanani. Ngomfanekiso obanzi wecandelo, bona wethuextruder screw barrel guide.
Yintoni i-Parallel Twin Screw Barrel?
I-parallel twin screw barrel yiyunithi yokwenza iplastikhi yesikrufu se-twin screw. Inamalungu amabini asebenza njengesixokelelwano esinye: ibhekile enamabhore amabini adityanisiweyo adityaniswe kuwo, enza icandelo lomnqamlezo wesibhozo, kunye nezikrufu ezibini ezihlala ngaphakathi kwezo zibhobho.
Ngokunxuseneyokuthetha ukuba izikrufu zigcina i-diameter efanayo ukusuka ekupheleni kwesondlo ukuya ekupheleni kokukhupha. Ibhore ihlala ilingana ngobude bayo bonke. Lowo ngumahluko ochazayo ukusuka kwiwele eli-conical, apho zozibini izikrufu kunye nezikrufu zabhobhoza ezantsi ngakwifa.
Ifom ehambelanayo inika umyili wecandelo lomnqamlezo rhoqo ukuze asebenze kunye nobude bonke, okwenza kube lula ukwakha oomatshini abade kunye negumbi lokudibanisa, ukukhupha, kunye nokuxuba amacandelo. Uthelekiso phakathi kweefom ezimbini lugutyungelwe kwethui-conical vs isikhokelo esihambelanayo.
Indlela i-Parallel Twin Screw Barrel esebenza ngayo, inyathelo ngenyathelo
- Ukutya.Izinto ziwela kumqala womxhesho kwaye zihlale kuzo zombini izikrufu ngaxeshanye. Izikrufu ezingamawele zithatha umgubo, iiflakes, kunye nefidi engaqhelekanga ethi isikrufu esinye esisokolayo ukusibamba.
- Ukuhambisa.Izikrufu ziyajika kwaye ukubhabha kwesikrufu esinye sosula umjelo wesinye. Izinto eziphathekayo zibanjiswa kumagumbi amile okwe-C phakathi kwenqwelomoya kwaye zityhalelwe phambili ngoomatshini.
- Ukunyibilika.Izifudumezi zemiphanda zibonelela ngenxalenye yobushushu. Eminye iphuma kwi-chear njengoko imathiriyeli isetyenzwa kwisithuba esimxinwa apho izikrufu zidibana khona, eyona ndawo ibukhali kumatshini.
- Ukuxuba.Yonke into ejikelezayo iyahlukana, isonge, kwaye idibanisa umsinga wokunyibilika. Olo luhlu luphindaphindiweyo lusasaza iifayili, ii-pigments, kunye nezongezo ngokulinganayo.
- Ukungenisa umoya.Kumgqomo ophuma umoya, umjelo uya nzulu kwizibuko lokungenisa umoya ukuze uxinzelelo lwehle luye kufutshane neqanda. Ukufuma kunye nokuguquguquka kubalekela apho, ngokuphindaphindiweyo phantsi kwevacuum.
- Ukumpompa kunye nokulinganisa.Icandelo lokugqibela lakha uxinzelelo kwaye lihambisa ukunyibilika okuzinzileyo kwi-die okanye i-pelletizer.
Co-Rotating vs Counter-Rotating: Iindlela ezimbini, imisebenzi emibini
Izikrufu zinokujikela kwicala elinye okanye kwicala elichaseneyo. Olo khetho lunye lutshintsha umlingiswa womatshini ngokupheleleyo.
| Ukujikeleza ngokubambisana | Ikhawuntari yokujikeleza | |
|---|---|---|
| Indlela yokukrazula | Zombini izikrufu zijika ngendlela efanayo | Izikrweqe zijikela kumacala achaseneyo |
| Indlela yezinto | Ulandela umzobo-isibhozo ujikeleze izikrufu zombini | Icudiswe ngengontsi phakathi kwezikrufu |
| Cheba | Iphezulu, kwaye iyahlengahlengiswa ngokusebenzisa izinto ezisikrufu | Isezantsi, kwaye ithambile kwizinto eziphathekayo |
| Isantya sokukrazula | Phezulu | Ngasezantsi |
| Ukwakhiwa koxinzelelo | Phakathi | Yomelele kwaye izinzile |
| Eyona nto ingcono | Ukudibanisa, i-masterbatch, i-extrusion esebenzayo, iikhompawundi ezizaliswe | Umbhobho we-PVC oqinileyo kunye neprofayili, izinto ezithintela ubushushu |
Ukujikeleza ngokubambisanaizikrufu sisixhobo sokudibanisa. Ukucheba okuphezulu kunye nesantya esiphezulu sisasaza ifayibha yeglasi, i-pigment, kunye nokongeza ngokucokisekileyo, yiloo nto kanye ifunekayo kwikhompawundi elungisiweyo.
Ikhawuntari yokujikelezaizikrufu zisebenza njengempompo enika indawo entle. I-nip phakathi kwabo ithwala izinto eziya phambili phantsi koxinzelelo oluqinileyo kwi-chear ephantsi, kwaye yiloo nto ifunwa yi-PVC eqinile, kuba i-PVC iyancipha xa uyicheba nzima. Yethui-counter-rotating parallel twin screw migqomoyakhelwe loo msebenzi, kwaye ikhemistri ngasemva kwayo ihleli kweyethuIsikhokelo sombhobho we-PVC screw.
Ngokupheleleyo, Ngokuyinxenye, okanye Non-Meshing: I-Axis Uninzi lweziKhokelo Lutsiba
Isalathiso sokujikeleza sisisiqingatha kuphela sohlelo. I-axis yesibini yindlela enzulu ngayo izikhonkwane ezibini ezibandakanya enye kwenye, kwaye uninzi lwezikhokelo azikhe zikhankanye.
Izikrufu zethu ezingamawele anxuseneyo ziza kwiindidi ezintathu ze-meshing:i-meshing ngokupheleleyo, i-meshing inxenye, kunye ne-non-meshing. Umahluko kukuba kude kangakanani ukubhabha kwesikrufu esinye ukuya kumjelo wesinye.
- Ukuhlamba ngokupheleleyo.I-flight ye-screw enye ifikelela kwingcambu yomnye, ishiya isithuba esincinci. Olu lolona hlobo luqhelekileyo kwi-extrusion yeplastiki, kuba ukukhutshwa okuqinileyo kunika ukucheba okugqwesileyo kunye nokuxuba kunye nokusula iziteshi zicocekile njengoko izikrufu zijika.
- Ngokuyinxenye meshing.Izikrufu ziyadibana, kodwa ngaphantsi nzulu. Ukuhambisa kuhlala kukuhle ngelixa ukucheba kuwisa, okuhambelana nemathiriyeli engenakuthatha umsebenzi ondlongondlongo.
- Non-meshing.Izikrufu zihlala ecaleni ngaphandle kokuzibandakanya. Umatshini uziphatha ngokusondeleyo kwizikrufu ezibini kumgqomo omnye, kunye nonyango oluthambileyo kunye nokuhambisa okuncinci.
Into enokuthi ithathwe kukuba "i-twin screw" iyodwa ayichazi umatshini. I-meshing epheleleyo kunye ne-counter-roting sisixhobo esahlukileyo kwi-meshing epheleleyo kunye nokujikeleza ngokubambisana, kwaye zombini ziyahluka kwi-non-meshing arrangement. Xa ukhankanya iseti yokutshintshwa, uhlobo lwe-meshing kufuneka luhambelane nomatshini ongowakho.
Kutheni izikrufu zamawele zihambisa ngokwahlukileyo kwiZikrufu eziNye
Isikrufu esinye yimpompo yokutsala. Ixhomekeke kukhuhlane: imathiriyeli kufuneka ibambelele kudonga lomphanda ngaphezu kokuba incamathele kwisikrufu, okanye imane ijikelezisa endaweni yokuya phambili.
Oko kuxhomekeka kubangela iingxaki zokwenene. Iipowders, iiflakes, kunye nokutya okumtyibilizi okanye okukhuhlane kancinci akubambeki kakuhle, ngoko ke isikrufu siyanyuka okanye siyalamba. Isiphumo siyahlukahlukana nendlela izinto ezenzeka ngayo ukubamba ngolo suku.
Izikrufu zamawele zihambisa kakuhle. Ukubhabha kwesinye isikrufu kutshayela umjelo wesinye, ngoko ke imathiriyeli ityhalwa ngoomatshini nokuba ibambe udonga okanye hayi. Imveliso ihlala iqinile, kwaye isondlo esoyisa isikrufu esinye sidlula ngaphandle kwesikhalazo.
Yiyo loo nto izikrufu ezingamawele zilawula ukudibanisa kunye nomsebenzi womgubo wePVC. Uthelekiso olupheleleyo lusethuIsikrufu esinye vs isikrufu samawele isikhokelo.
Yenziwa ngantoni i-Parallel Twin Screw Barrel
Isiseko sentsimbi sithwala umthwalo womatshini. Umphezulu phezu kwayo uthatha ukunxiba. Nazi iinkcukacha esakha kuzo iiseti zamawele anxuseneyo.
| Inkcazo | Ixabiso |
|---|---|
| Izinto ezisisiseko | 38CrMoAlA |
| Ubulukhuni bonyango lobushushu | HB260–320 |
| Ubulukhuni beNitriding | HV950–1000 |
| Ubunzulu beNitriding | 0.50–0.70 mm |
| I-I-Nitriding brittleness | IBanga loku-1 okanye elingcono |
| Uburhabaxa bomphezulu | Ra0.4 |
| Screw ngokuthe ngqo | 0.015 mm |
| Ubulukhuni bokucwenga kweChrome | HV950 okanye ngaphezulu |
| Ubunzima beChrome | 0.05–0.10 mm |
| Ubunzima beBimetallic | HRC60–65 |
| Ubunzulu beBimetallic | 2.0–3.0 mm |
Amanani amabini kule theyibhile afanelwe ingqalelo xa uthelekisa izicatshulwa.Ukuthi krikri kwi-0.015 mmithatha isigqibo sokuba izikrufu zisebenza ngokwenyani na kwibhore yomzobo-esibhozo, kwaye isikrufu esigobileyo sinxiba icala elinye lesibhobho kwaye sitshabalalisa ukutshintshwa kwaso kwakhona.I-I-Nitriding brittlenessluvavanyo lomgangatho uninzi lwababoneleli abanakuze bapapashe: i-hard case ene-brittle chips off phantsi komthwalo endaweni yokumelana nokunxiba.
Ngaphaya komgangatho wokwakha, silungiselela intsimbi yokusebenza eshushu, intsimbi yokusebenza ebandayo, intsimbi enesantya esiphezulu, intsimbi ye-HIP engumgubo, kunye nengxubevange ye-PTA. Xa ifidi idlakadlaka okanye idlakadlaka, indlela ye-bimetallic ithatha indawo ye-nitriding, kunye neyethubimetallic vs isikhokelo nitridedigubungela xa oko kubhatala.
Ubungakanani: Ububanzi, L/D, kunye nesiphumo
Screw diameter iseti throughput. I-L/D ibeka ukuba umatshini kufuneka anyibilike kangakanani na, axube, kwaye akhuphe umoya endleleni. Nazi iimodeli zethu eziqhele ukusetyenziswa kwi-parallel parallel screw kunye namanani azo apapashiweyo kwiPVC.
| Umzekelo | Screw diaya (mm) | L/D | Imveliso yePVC (kg/h) | Isantya sokukrazula (rpm) | Injini (kW) |
|---|---|---|---|---|---|
| NHY75 | 75 | 26–36 | 220–350 | 45 | 45 |
| 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 ipateni kunemiqolo kuphela. Imveliso ihambelana nobubanzi bomzila, kwaye amandla emoto akhwela kunye nawo, kuba ukutyhala imathiriyeli engaphezulu kuthatha itorque eninzi. Ibhendi ye-L/D ihlala iyafana kulo lonke uluhlu, kuba umlinganiso lukhetho loyilo kunesiphumo sobungakanani.
Ngaphandle kwezi modeli sakha izikrufu ezinxuseneyo ukusuka kwi-45 mm ukuya kwi-150 mm, ezine-L/D ukusuka ku-32:1 ukuya ku-38:1 kwiiseti zethu zemibhobho ye-PVC okanye ezilungiselelwe umgca wakho. Oko u-L/D akuthengela kona kugutyungelwe kwisikhokelo somlinganiselo we-L/D, kwaye uluhlu olupheleleyo luhleli kweyethuparallel twin screw imveliso iphepha.
Yintoni iParallel Twin Screws eneneni eveliswayo
Iintsapho ezine zezicelo zigubungela uninzi lwezinto ezenziwa ngaba matshini, kwaye zibaleka ukusuka kwizinto ezikrwada ukuya kwimveliso egqityiweyo.
Ukuguqulwa kweplastiki kunye nokudibanisa
Esona sicelo siqhelekileyo. Ukucheba okuqinileyo kunye namandla okusasaza kuvumela isiseko sepolymer esinje ngePP, PE, okanye i-ABS idityaniswe ngokulinganayo ngefayibha yeglasi, ifayibha yekhabhoni, iiretardants zomlilo, kunye ne-antioxidants. Oko kuvelisa amanqanaba aqinisiweyo, angenamlilo, okanye aqhubayo, afana ne-glass-fibre-reinforced PP esetyenziswa kwiindawo zemoto kunye ne-ABS e-flame-retardant esetyenziswa kwi-electronics.
Umbala kunye ne-masterbatch esebenzayo
I-pigment ephezulu yoxinaniso, idayi, okanye izongezo ezisebenzayo zixutywe kwi-resin ye-carrier, emva koko ikhutshwe kwaye ifakwe kwi-pelletized. Oku kuvelisa i-masterbatch yombala yokudaya, okanye i-masterbatch esebenzayo efana ne-antistatic kunye ne-antibacterial grade. Izikrufu ezingamawele zisombulula ingxaki yokuxuba engalinganiyo enqanda izikrufu esinye kulo msebenzi.
Extrusion ukubumba
Umbhobho, iprofayili, iphepha, kunye nefilimu. I-Twin screws ilungele i-viscosity ephezulu, i-polymers enzima-ukuze-plastiki njengePVC kunye nePC ngokukodwa kakuhle. Umbhobho wokukhupha amanzi wePVC, iprofayile yomnyango kunye nefestile, kunye nephepha lePC zonke zixhomekeke kwiyunifomu yeplastiki ehanjiswa sisikrufu samawele, nto leyo egcina iziphene zemveliso ziphantsi. YethuPVC umbhobho parallel screw imiphandahambisa amanzi kunye nombhobho wokukhupha amanzi, umbhobho wombane, kunye nombhobho okhuselayo.
Ukusetyenzwa kwakhona kweplastiki
Inkunkuma ye-PP kunye ne-PE zihamba ngokucheba kunye nokufudumeza okususa ukungcola, ukukhulula uxinzelelo, kunye ne-plasticizes ye-plasticize ye-pelletizing. Ukutya okurisayikilishelweyo akuhambelani kwaye kuhlala kungcoliseka, olulo kanye uhlobo lwezixhobo ezihambisa kakuhle.
Indlela Yokuxela Xa I-Parallel Twin Screw Seti ifuna ukuTshintshwa
Ukunxiba kwe-twin screw kubonakala kwiindawo ezifanayo ngalo lonke ixesha, kwaye umatshini uyakuxelela ngaphambi kokuba iindawo zibonakale zimbi ngokucacileyo.
- Imveliso iyawangesantya esisijija esifanayo. Ukukhutshwa okugugileyo kunyibilika kutyibilike ngasemva endaweni yokuya phambili.
- Ukuxuba umgangatho wehla.Imivimbo yombala okanye ukusasazwa kwesihluzi esingalinganiyo kuthetha ukuba izikrufu azisazosulwa ngokufanelekileyo.
- Umthwalo wemoto uyanyukakwimveliso engaguqukiyo, ekhomba ukutsala, ukungahambi kakuhle, okanye ukuthotywa kokumelana nokwakhiwa kwezinto.
- Umphezulu womgangatho wokutsalekakwimveliso egqityiweyo, kaninzi into yokuqala ebonwa lisebe lomgangatho.
Qinisekisa ngezixhobo kunemibono. Ukulinganisa i-OD ye-flight kunye nokuzala i-ID ngokuchasene nomzobo wokwakha, kwaye ukhangele indawo yokucima i-intermesh, ekhethekileyo kwizikrufu zamawele kwaye kulula ukuyihoya.
Kutheni usebenza noNanhaiya
I-Nanhaiya yakhe izikrufu kunye nemigqomo ngaphezulu kweminyaka engamashumi amabini kwaye inceda abathengi abangama-500+ kwihlabathi liphela. Yethuuluhlu lwezikrufu ezihambelanayoigquma ukudibanisa, igranulation, ugwebu lwe-PS, ipaneli yealuminiyam-plastiki, irabha kunye neplastiki, kunye nomsebenzi wombhobho wePVC, ukujikeleza ngokubambisana kunye nokulungelelaniswa okujikelezayo.
Yonke isethi yenziwe ngoomatshini ukusuka kwi-38CrMoAlA kwaye igqityezelwe kwiinkcukacha ezikwitheyibhile engentla, ngolawulo olungqongqo lonyamezelo kunye novavanyo oluguqukayo lwebhalansi phambi kokuba ithunyelwe ngenqanawa. Iiseti zethu zakhelwe ukuba zilungele iibrendi ezinkulu ze-extruder ezibandakanya iKraussMaffei, iCincinnati, kunye neJwell, kwaye senza ngokwezifiso iprofayile ye-screw, umlinganiselo woxinzelelo, uyilo lokungenisa umoya, kunye neendawo zokufudumeza kumgca wakho.
Phambi kokucaphula, iinjineli zethu zisebenza ngeeparamitha kunye nawe: ububanzi, umyinge wembonakalo, ubunzulu be-screw groove, kunye nokukhethwa kwezinto eziphathekayo. Ikowuti ibandakanya imveliso, ukuthunyelwa, kunye neendleko ezilindelekileyo zokulondolozwa, kwaye ifikelela kuwe kwiiyure ze-12. Emva kokuhanjiswa, iingcali zethu zixhasa ukufakwa kunye nokugunyaziswa, kwaye imiba emva kokuthengisa ifumana impendulo kwiiyure ezingama-24.
Ngaba ufuna i-parallel twin screw set eyakhelwe kumatshini wakho? Thumela imodeli yakho, umzobo, okanye isampulu egugileyo, kunye nezinto ozisebenzisayo. Sicaphula kwiiyure ze-12.
Fumana i-Twin Screw QuoteImibuzo ebuzwa qho
Yintoni i-parallel twin screw barrel?
Yiyunithi yeplastiki ye-twin screw extruder: umbhobho onamabhobho amabini awelanayo eyenza i-fire-eight cross section, ebambe izikrufu ezibini ezinobubanzi obungaguqukiyo. Izikrufu zihambisa imathiriyeli phambili ngoomatshini ngokuyirhintyela phakathi kwenqwelomoya yazo, endaweni yokuxhomekeka ekukhuhleni ngakudonga lomphanda.
Ingaba i-parallel twin screw barrel isebenza njani?
Izinto ziwela kwizikrufu zombini kumqala womxhesho. Njengoko i-screws ijika, ukubhabha kwenye kusula umjelo wesinye, ukuloba izinto kunye nokutyhalela phambili. Izifudumezi zemibhobho kunye ne-chear kwindawo edibeneyo ziyayinyibilikisa, yonke into ejikelezayo iyahlukana kwaye idibanisa ukunyibilika ukuyixuba, kwaye icandelo lokugqibela lakha uxinzelelo lokutyisa ukufa.
Yintoni umahluko phakathi kokujikeleza kunye kunye nokujikeleza?
Izikrufu ezijikelezayo zijika ngendlela efanayo kwaye zihambisa i-chear ephezulu ngesantya esiphezulu, esifanelana ne-compounding, masterbatch, kunye neekhompawundi ezizaliswe. Izikrufu ezijikajikayo zijikela kumacala achaseneyo kwaye zisebenze njengempompo yokufuduka eqinisekileyo, isakha uxinzelelo olomeleleyo kwindawo yokucheba ephantsi. Eso senzo sithambileyo siyimfuneko engqongqo yombhobho wePVC kunye neprofayile.
Yintoni i-meshing epheleleyo, i-meshing inxenye, kunye nezikrufu zamawele ezingezizo-meshing?
Bachaza indlela enzulu ngayo izikrufu ezimbini. I-meshing screws ngokupheleleyo ifikelela kwingcambu yomnye nomnye ngesithuba esincinci, inika eyona nto ingcono yokucheba kunye nokuxuba, kwaye olu lolona hlobo luqhelekileyo kwiiplastiki ze-extrusion. Ngokuyinxenye izikrufu zemeshing zidibana kancinci kwaye zinciphisa ukucheba. Izikrufu ezingena-meshing zihlala ecaleni ngaphandle kokuzibandakanya, zinika unyango oluthambileyo.
Uthini umahluko phakathi kwezikrufu zamawele ezi parallel kunye ne conical?
I-parallel twin screw igcina i-diameter efanayo ukusuka kwifidi ukuya ekuphumeni, kwaye ibhore ihlala isayizi engatshintshiyo. I-conical twin screw tapers, enesiphelo esikhulu sokutya esicutha ukuya kwidayiti. Ifom ehambelanayo inika icandelo lomnqamlezo oqhubekayo kunye nobude, okwenza oomatshini abade kunye ne-venting kunye namacandelo okuxuba ngokuthe ngqo ukwakha.
Kutheni usebenzisa isikrufu esingamawele endaweni yesikrufu esinye?
Ukuhambisa okulungileyo. Isikrufu esinye sixhomekeke kukhuhlane, ngoko ke imathiriyeli kufuneka ibambe udonga lombhobho ukuya phambili, kwaye umgubo, iiflakes, kunye nefidi emtyibilizi zibangela uqhushululu. Izikrufu ezingamawele zityhala imathiriyeli ngoomatshini ngaphandle kokubambelela, enika imveliso ezinzileyo kwaye ibavumele ukuba baphathe isondlo esoyisa isikrufu esinye.
Zisetyenziselwa ntoni izikrufu ezingamawele amabini?
Iintsapho ezine eziphambili: ukuguqulwa kweplastiki kunye nokudibanisa ne-glass fiber, i-carbon fiber, okanye i-flame retardants; umbala kunye nemveliso ye-masterbatch esebenzayo; ukukhutshwa kombhobho, iprofayili, iphepha, kunye nefilimu kubandakanya iPVC kunye nePC; kunye nokusetyenzwa kwakhona kweplastiki apho inkunkuma ye-PP kunye ne-PE icocwa, iphinda yenziwe iplastiki, kwaye ifakwe iipelletized.
Ngaba izikrufu ezingamawele kufuneka zitshintshwe njengeperi?
Ewe. Ucoceko lwe-intermesh phakathi kwezikrufu ezibini lusetwa ngexesha lokwenziwa kwaye alunakufunyanwa ngokutshintsha isikrufu esinye kwiqabane eligugileyo. Izikrufu ezingamawele ziyaveliswa, zibonelelwe, kwaye zitshintshwe njengesibini esihambelanayo, kwaye kufuneka zigcinwe kwaye ziphathwe ngaloo ndlela.
