Kulwakhiwo lwanamhlanje, ubunjineli bakamasipala, kunye nemimandla emininzi yemizi-mveliso, imibhobho yePVC idlala indima ebaluleke kakhulu. Ukusetyenziswa kwabo okubanzi kuluncedo ekusebenzeni kwabo kakuhle kunye nenkqubo yokuvelisa esele ikhulile. Ke, yintoni kanye kanye inkqubo yokwenziwa kwemibhobho yePVC?
Imibhobho ye-PVC iveliswa ngenkqubo yokukhutshwa kwemathiriyeli ekrwada ye-PVC kwaye ihambelana nemigaqo eqhelekileyo yokusebenza kombhobho osemgangathweni wokukhupha: Okokuqala, iipellets zemathiriyeli ekrwada okanye umgubo zixhelelwa ngaphakathi.PVC iwele screw extruder. Emva koko, ukunyibilika kunye nokufudumeza kuqhutyelwa kwiindawo ezininzi ze-extruder. Le nkqubo ibonakala ilula kumphezulu, kodwa eneneni, ibandakanya ubugcisa obuntsonkothileyo kunye namakhonkco enkqubo, kunye nothotho lwezixhobo zobungcali kunye nemigca yokuvelisa, phakathi apho kukho abameli abathile kwishishini le-plastic extrusion yaseChina.
Kumgca wemveliso wePVC imibhobho, i-extruder ngokungathandabuzekiyo iyona nto ingundoqo. I-extruder yenza umsebenzi obalulekileyo wokuguqula imathiriyeli ekrwada ibe yimibhobho eyenziweyo kuyo yonke inkqubo yemveliso. Ukuthatha imveliso yeplastiki yaseTshayina njengomzekelo, amashishini amaninzi ebesoloko ephonononga kwaye esenza izinto ezintsha kule ntsimi. Umzekelo, uBlesson, umenzi owaziwayo waseTshayina we-extruder, unamava atyebileyo kunye nempumelelo ebalaseleyo kuphando, uphuhliso, kunye nokuveliswa kwee-extruders.Umatshini wokukhupha kaBlessonumzi-mveliso uthatha ubugcisa obuphambili kunye neenkqubo, kunye ne-extruders eziveliswayo zineenzuzo ezibalulekileyo ngokuchaneka, uzinzo, kunye nokusebenza kakuhle kwemveliso, ukubonelela ngesiqinisekiso esiluqilima somgangatho ophezulu wemveliso yemibhobho yePVC.
Xa PVC twin screw extruder isebenza, isakhiwo isijija yayo uyilwe ngobuchule. Izikrufu ezibini zisebenzisana omnye komnye ukwenza ukuba izinto ezikrwada ziqhubele phambili ngokulinganayo phantsi kokutyhala izikrufu kwaye ngokuthe ngcembe zigqibezele iinkqubo zokufudumeza kunye nokunyibilika kwiindawo ezininzi. Kwindawo yokuqala, izinto eziluhlaza zidla ngokufuduswa kwangaphambili ukwenza iipellets okanye umgubo uqale ukuthamba, uququzelele ukusetyenzwa okulandelayo. Njengoko izinto eziluhlaza zihanjiswa ngezikrufu kwindawo yesibini, ubushushu buya kunyuka ngakumbi. Ngeli xesha, i-PVC iqala ukunyibilika ngokuthe ngcembe kwaye yenze ukunyibilika kunye nolwelo oluthile. Kule nkqubo, inkqubo yokufudumala ye-extruder idlala indima ebalulekileyo. Ukulawulwa kweqondo lokushisa ngokuchanekileyo kunokuqinisekisa ukuba izinto eziluhlaza ze-PVC ziyanyibilika kwiqondo lokushisa elifanelekileyo, ukuphepha impembelelo kumgangatho wemibhobho ngenxa yokushisa okuphezulu okanye okuphantsi. Ngokomzekelo, ukuba iqondo lokushisa liphezulu kakhulu, linokubangela ukubola kwe-PVC, okubangela iingxaki ezifana nokuguqulwa kombala kunye nokunyanzeliswa kwemibhobho; ngelixa ukuba iqondo lokushisa liphantsi kakhulu, ukunyibilika kuya kuba nganelanga, kwaye umphumo wokwenza imibhobho uya kuba mbi, kunye neziphene ezinokuthi zibe nomgangatho ongalinganiyo kunye nesakhiwo sangaphakathi esingalinganiyo.
Emva kokuba izinto eziluhlaza zePVC zinyibilike kwi-extruder, zingena kwinqanaba lokubumba. Kule nqanaba, i-PVC iyancibilika ikhutshwe ngokubumba okucacileyo ukwenza i-preliminary shape yombhobho. Uyilo kunye nokuveliswa kwengundoibe nempembelelo eqinisekileyo kumgangatho wokugqibela wombhobho wePVC. Iimolds ezikumgangatho ophezulu zinokuqinisekisa ukuchaneka komgangatho, ukufana kobunzima bodonga, kunye nokuguda komphezulu kwemibhobho. Njengomvelisi oqeqeshiweyo waseTshayina, uBlesson utyale imali eninzi yophando kunye nezixhobo zophuhlisongundouyilo kunye nokuveliswa, kunye nokubumba okuvelisayo kunokuhlangabezana neemfuno zemveliso yePVC imibhobho yeenkcukacha ezahlukeneyo kunye neemeko ezahlukeneyo zesicelo.
Emva kokuba imibhobho ikhutshiwe, kufuneka iphole kunye nokulinganisa. Le nkqubo idla ngokufezekiswa ngokupholisa iitanki zamanzi okanye izixhobo zokupholisa umoya. Amanzi okupholisa kwiitanki lamanzi okupholisaiya kususa ukushisa kwemibhobho, ibenze ipholile kunye nobukhulu ngokukhawuleza. Ulawulo lwesantya sokupholisa lubalulekile. Ukuba isantya sokupholisa sikhawuleza, sinokubangela uxinzelelo lwangaphakathi kwimibhobho, echaphazela iimpawu zabo zomatshini; ngelixa ukuba isantya sokupholisa sicotha kakhulu, siyakunciphisa ukusebenza kakuhle kwemveliso kwaye kunokubangela ukuba imibhobho ibe nokonakala ngexesha lenkqubo yokupholisa.
Ukongeza kwiikhonkco eziphambili ezingentla, inkqubo yokuvelisa imibhobho yePVC ikwabandakanya iinkqubo ezifanakhupha iyunithikwayeukusika. Iyunithi yokutsala inoxanduva lokutsala imibhobho ekhutshiweyo phambili ngesantya esingaguqukiyo ukuqinisekisa ukuqhubeka nokuzinza kwemveliso yombhobho. Isantya sokutsalwa kweyunithi siyafuneka ukuze sihambelane nesantya sokukhupha. Ukuba isantya sokutsala sihamba ngokukhawuleza, imibhobho iya kwandiswa kwaye ibe yincinci; ngelixa ukuba isantya sicotha kakhulu, imibhobho iya kufumba, echaphazela ukusebenza kakuhle kwemveliso. Isixhobo sokusika sinqumla imibhobho kwiimveliso ezigqityiweyo ngokobude obumiselweyo. Kweminye imigca yokuvelisa kunye neqondo eliphezulu lokuzenzekelayo, inkqubo yokusika inokufikelela kwi-high-precision fixed-length-length cutting, ukunciphisa iimpazamo ezibangelwa yimisebenzi yezandla.
Kushishino lweplastiki yombhobho waseTshayina, abavelisi beplastiki baseTshayina abanjengoBlesson bahlala bekhuthaza uphuhliso loshishino. Abasoloko besenza izinto ezintsha kuphela kwitekhnoloji yokuvelisa izixhobo kodwa baqhuba nophando olunzulu kuyilo lonke kunye nokulungelelaniswa kwemigca yemveliso. Umzekelo, ngolungelelwaniso olulungelelanisiweyo lwe-extruder, i-extrusion die, inkqubo yokupholisa, ukukhupha iyunithi, kunye ne-cutter, ukusebenza kakuhle kwemveliso kunye nomgangatho wemveliso yayo yonke.Umgca wokuvelisa umbhobho wePVCziphuculwe. Okwangoku, ngotshintsho oluqhubekayo lwemfuno yemarike, aba bavelisi baphanda ngenkuthalo kwaye baphuhlisa iintlobo ezintsha ze-extruders kunye nemigca yemveliso ukuhlangabezana nemigangatho ephezulu yemveliso kunye neemfuno eziyinkimbinkimbi zesicelo.
Ukususela ekukhethweni kunye nokunyangwa kwezinto eziluhlaza ukuya ekunyibilikeni kunye nokufudumeza kwi-extruder, kwaye emva koko ekuqulunqweni, ukupholisa, ukutsala, kunye neenkqubo zokusika, inkqubo yokuvelisa imibhobho ye-PVC yinkqubo enzima kunye neyinkimbinkimbi. Yonke ikhonkco ifuna ulawulo olungqongqo kunye nolawulo, kwaye nayiphi na impazamo encinci inokuchaphazela umgangatho wemveliso yokugqibela. Enkosi kwiinzame zamashishini amaninzi kunye neengcali kushishino lweplastiki yaseTshayina, ngakumbi iinkokeli zeshishini ezifana neBlesson, ngokuqhubeka nokusungula izinto ezintsha zobuchwepheshe kunye nokuphuculwa kwenkqubo, imveliso yombhobho wePVC yaseTshayina ifumene ukhuphiswano olumandla kwimarike yamazwe ngamazwe. Nokuba kukwakha unikezelo lwamanzi kunye neenkqubo zokuhambisa amanzi, ukunkcenkceshela kwezolimo, okanye kumashishini anjengemichiza kunye namandla ombane, imibhobho yePVC eveliswe eTshayina iphumelele ukuqondwa ngokubanzi kunye nomgangatho wayo othembekileyo. Ngenkqubela phambili eqhubekayo yesayensi kunye nobuchwepheshe, kukholelwa ukuba inkqubo yokwenziwa kwemibhobho ye-PVC iya kuqhubeka nokuphuhlisa nokuphucula, igalelo elingakumbi kulwakhiwo lweziseko zophuhliso lwehlabathi kunye nophuhliso lwamashishini.
Ngokubhekiselele ekukhuselweni kwendalo, ngokunyuka kogxininiso ekukhuselweni kokusingqongileyo kuluntu, amashishini okuvelisa umbhobho wePVC nawo ahlala ehlola iinkqubo zemveliso eluhlaza. Ngakolunye uhlangothi, ekukhethweni kwezinto eziluhlaza, kukho ukuthambekela ekusebenziseni izinto ze-PVC ezihambelana nokusingqongileyo kunye nokunciphisa ukusetyenziswa kwezongezo eziyingozi kwindalo. Ngakolunye uhlangothi, kwinkqubo yokuvelisa, ngokulungiselela izixhobo kunye neenkqubo, ukusetyenziswa kwamandla kunye nokukhutshwa kwenkunkuma kuyancitshiswa. Umzekelo, ezinye ii-extruders eziphambili zisebenzisa iimotor zokugcina amandla kunye neenkqubo zokufudumeza, ezinokunciphisa ngokufanelekileyo ukusetyenziswa kwamandla ngexesha lenkqubo yokuvelisa. Ngeli xesha, kwinkunkuma eveliswe ngexesha lenkqubo yemveliso, amashishini ajonga iindlela zokurisayikilishwa kunye nokuhlaziya kwakhona inkunkuma ibe yimathiriyeli ekrwada enokuthi iphinde isetyenziswe ukufezekisa ukurisayikilishwa kwemithombo.
Ngokombono weendlela zophuhliso loshishino, inkqubo yokwenziwa kwemibhobho ye-PVC iya kuphuhlisa kwiindlela zobukrelekrele, i-automation, ukusebenza kakuhle okuphezulu, kunye nohlaza kwixesha elizayo. Izixhobo zokuvelisa ezihlakaniphile ziya kukwazi ukufezekisa ukuzixilonga kunye nokuzilungisa, ukuphucula ngakumbi ukusebenza kakuhle kwemveliso kunye nokuzinza komgangatho wemveliso. Imigca yokuvelisa ngokuzenzekelayo iya kunciphisa imisebenzi yezandla, iindleko eziphantsi zabasebenzi, kunye nokuphucula ukuchaneka kwemveliso. Iinkqubo zemveliso ezisebenzayo ziya kwenza mfutshane umjikelo wemveliso kwaye zandise ukukhuphisana kwemarike kumashishini. Ingcamango yokuvelisa uhlaza iya kuqhuba kuyo yonke inkqubo yokuvelisa, okwenza ukuveliswa kwemibhobho ye-PVC ibe yinto ehambelana nokusingqongileyo kunye nokuzinza.
Ekugqibeleni, inkqubo yokuvelisa imibhobho ye-PVC yinkqubo enzima ebandakanya iinkalo ezininzi kunye nobuchwepheshe. Ukusuka kwimathiriyeli ekrwada ukuya kwiimveliso ezigqityiweyo, lonke ikhonkco liquka ubulumko kunye nemizamo yamashishini amaninzi kunye neengcali kushishino lweplastiki yombhobho we-extrusion. E-China, abavelisi be-extruder baseTshayina abamelwe yi-Blesson bahlala beyintsha kwaye bephuhlisa kule ndawo, engakhuthazi kuphela inkqubela phambili yenkqubo yokuvelisa umbhobho wePVC waseTshayina kodwa ifakela amandla amatsha kushishino lwemibhobho yeplastiki yehlabathi. Ngophuhliso oluqhubekayo lweshishini, sinesizathu sokukholelwa ukuba imibhobho ye-PVC iya kuqhubeka idlala indima ebalulekileyo kulwakhiwo lweziseko ezingundoqo zexesha elizayo kunye nemimandla yoshishino, kwaye iya kuzuza impumelelo enkulu ngokubhekiselele kwikhwalithi, ukusebenza, kunye nokukhuselwa kokusingqongileyo.
Ixesha lokuposa: Nov-27-2024