Ukulungiswa kweMiba yokuFundisa kwezinto kwi-PVC yePipe Extrusion kunye ne-Screw Barrel Solutions

Iingxaki zokondla izintokwi-PVC umbhobho extrusion idla ngokubangela iziphene kwaye inyuse iindleko zokusebenza kubavelisi. I PVC Umbhobho jija umphanda extrusion, kuquka iinketho ukusukaPvc Umbhobho Single Screw umphanda to I-Twin Parallel Screw Barel, iqinisekisa ukondla okuzinzile. Uyilo oluvela kwisikhokeloIPvc iConical screws Factorynceda ukugcina ukunyibilika okufanayo kunye noxinzelelo, ukuphucula umgangatho wemveliso.

Ukuxilonga iiNgxaki zokuNxibelela kwiNdawo kwi-PVC Pipe Extrusion

Iimpawu kunye neeMpawu zeMiba yokuFundisa

Abasebenzisi banokubona iingxaki zokutya okubonakalayo ngokujonga iimpawu ezininzi ezicacileyo ngexesha lokukhutshwa kombhobho wePVC.

• Ubunzima bodonga olungalinganiyo okanye umphezulu uhlala uvela xa inkqubo ijongene noyilo olungafanelekanga lokungunda, ukufudumeza okungalinganiyo, okanye umgangatho ombi wezinto.
• Imikrwelo kumphezulu wombhobho ingabonisa ukungcola okanye imathiriyeli ekrwada ekumgangatho ophantsi.
• Ukuguquguquka koxinzelelo, ngakumbi xa uxinzelelo luhamba ngaphandle koluhlu oluqhelekileyo lwe-8 ukuya kwi-12 MPa, yalatha kwi-extrusion engazinzanga.
• Ukungafani phakathi kwesantya sokukhupha kunye nokupholisa, kunye nesantya esiqhelekileyo kwi-15-30 yeemitha ngomzuzu, kunokubangela iziphumo ezingahambelaniyo.
• Izithintelo kwimijelo yokuqukuqela zibonakala njengamazinga okuqukuqela ahlukeneyo kwindawo yokungena nokuphuma kokungunda, okukhokelela ekuhambeni kwezinto ezingazinzanga.
• Ukubeka iliso kwisikrufu torque kunceda ngokunjalo; itorque eqhelekileyo ihlala malunga ne-450 Nm, kwaye nakuphi na ukutenxa kunokubonisa imiba yesondlo okanye izixhobo.
• Ukufudumeza okungalinganiyo kwentloko yokufa, apho i-sensors yobushushu inokubona, nayo ibangela ukungahambelani kodonga.
• Ukonakaliswa okanye ukunxiba kwisikhunta somlomo kunokubangela ukungalingani kweendonga zemibhobho.
• Ukungabi namanzi kwempahla ekrwada, okufana neMooney viscosity ephezulu, kukhokelela kwindawo erhabaxa okanye engalinganiyo.

Ezi mpawu zilumkisa abaqhubi ukubaiingxaki feedoko kunokuchaphazela zombini inkqubo kunye nemveliso yokugqibela.

Iimbangela zeNgcali kwiNkqubo ye-Extrusion

Izizathu ezininzi zeengcambu zinokuphazamisa ukutya okubonakalayo kwi-extrusion yepayipi ye-PVC.

1. Imiba yokutya okubonakalayo, njengeehophu ezingenanto okanye ibhuloho, yilambisa isikrufu kwaye udale ukondla okungahambelaniyo.
2. Ukunxiba koomatshini, njengayeizikrufu ezigugileyo okanye imigqomo, kunciphisa ukukwazi kwe-extruder ukuhambisa izinto ngokutyibilikayo.
3. Iiprofayili zobushushu obungafanelekanga zinokubangela ukunyibilika kwangaphambi kwexesha okanye ukuvaleka, okukhokelela ekunyukeni kunye nokuguquguquka kwemveliso.
4. Iihopper ezivaliweyo zivala ukuhamba kwemathiriyeli ekrwada, ngelixa iingxaki zenkqubo ye-feeder drive, ezinje ngeempazamo zemoto okanye zegiya, zicotha okanye ziyeke ukutyisa.
5. Ukufuma okanye izinto eziguquguqukayo kwizinto eziluhlaza zanda kumaqondo obushushu aphezulu, kubangela amaqamza omoya kunye neziphene.
6. Ukungcola kunye nobukhulu obungalinganiyo bamasuntswana kwizinto eziluhlaza kukhokelela ekufudumeni okungalinganiyo kunye namaqamza omoya amaninzi.
7. Umahluko kwi PVC resin imilo yamasuntswana kunye nobukhulu, ngakumbi phakathi kwe-scrap kunye nezixhobo ezinyulu, kuchaphazela ukudibanisa kunye ne-viscosity enyibilikayo, kubangela ukutya okungalinganiyo.

Ingcebiso:Ukomiswa okungaguqukiyo kunye nokuhlolwa kwemathiriyeli ekrwadanceda ukukhusela iingxaki ezininzi zokutya kunye nokuphucula ukuzinza kwe-extrusion.

PVC Umbhobho Screw umphanda Extrusion: Izisombululo Consistent Material Feed

Uyilo lweSikrikri esinamanqanaba amaninzi kunye neeNzuzo zabo

Uyilo lwezikrufu ezinamanqanaba amaninzi ludlala indima ebalulekileyo ekuphuculeni ukungaguquguquki kokutya ngexesha lokukhutshwa kombhobho wePVC. Olu luyilo, olufana nezikrufu zesithintelo kunye nezikrufu zokukhupha umoya, zahlula-hlula isikrufu sibe ziindawo ezahlukileyo. Indawo nganye yenza umsebenzi othile, njengokunyibilika, ukuxuba, okanye ukususa iigesi. Izikrufu zesithintelo zahlula izinto eziqinileyo kunye nezinyibilikisiweyo, ezikhokelela ekubeni ngcono ukunyibilika kunye nokusetyenziswa kwamandla aphantsi. Izikrufu zokukhupha umoya ziquka iindawo zokuthomalalisa ezisusa iigesi kunye nokufuma, okukhokelela kwimibhobho ene-voids embalwa kunye nomgangatho ophezulu.

I-twin screw extruders, ngakumbi ezo zine-counter-rotating designs, ziphucula ukuxuba kunye nokusasazwa kwezongezo. Olu phuculo lukhokelela kumbala ofanayo kunye namandla omatshini kwimveliso yokugqibela. Abavelisi bahlala bebona imveliso ephezulu kunye nemveliso ephuculweyo xa besebenzisa olu yilo luphezulu lwezikrufu. Umzekelo, ukutshintshela kwisikrufu senqwelomoya enye ukuya kwisikrufu sokuthintela kunokonyusa ukuhambelana kwezinto kunye nokunciphisa ukusetyenziswa kwamandla ukuya kuthi ga kwi-15%. Ukuphucula i-diameter ye-screw kunye nokudibanisa iinkqubo zolawulo eziphucukileyo kunyusa umgangatho we-extrusion kunye nokusebenza kakuhle.

Qaphela: Uyilo lwe-screw lwezigaba ezininzi kwi-PVC Umbhobho we-screw barrel ye-extrusion inceda ukugcina amazinga okutya okuzinzileyo kunye nokunciphisa umngcipheko weziphene, okwenza kube yinto ekhethwayo yokuvelisa umbhobho ophezulu.

Ukuphucula iJiyometri yeScrew kunye neCompression Ratios

Screw geometry ichaphazela ngokuthe ngqo indlela izinto ezihamba ngayo, zinyibilika, kwaye zixube ngaphakathi kwi-extruder. Uyilo lubandakanya iiparameters ezifana nobunzulu betshaneli, i-pitch, kunye nomlinganiselo wobude ukuya kwi-diameter. Ijometri eyiyo iqinisekisa ukuhanjiswa okugudileyo kunye nokuthintela iingxaki ezinje ngebhulorho okanye ukonyuka. Icandelo ngalinye le-screw-feed, compression, kunye ne-metering-linemilo ethile yokufanisa iimpawu ze-PVC.

Umlinganiselo wokunyanzeliswa, umlinganiselo wobunzulu bomjelo wokutya ukuya kubunzulu beshaneli yemitha, udlala indima ephambili ekunyibilikeni kwe-homogeneity kunye ne-throughput. Umlinganiselo okhethwe kakuhle woxinzelelo uqinisekisa ukunyibilika okufanayo kunye nokuhamba kwezinto eziphathekayo. Imilinganiselo yoxinzelelo oluphezulu yonyusa uxinzelelo kunye nokuphucula ukuxuba, okukhokelela kumgangatho ongcono wemveliso. Nangona kunjalo, ukuba umlinganiselo uphezulu kakhulu okanye uphantsi kakhulu, unokubangela ukuhamba okungahambelaniyo kunye neziphene. Ukulungelelanisa umlinganiselo wokunyanzeliswa ngokusekelwe kwiipropati eziphathekayo kunye neeparitha zokucubungula kunceda ukwandisa ukusebenza.

Abavelisi bakwaxhamla ngokujongwa rhoqo kunye nokugcinwa kwejiyometri yesikrufu. Uyilo oluhambelanayo lwe-screw kunye nokukhutshwa okufanelekileyo phakathi kwesikrufu kunye nomgqomo kunciphisa ukuguga kunye nokugcina ukutya okuthembekileyo. I-PVC Pipe i-screw barrel ye-extrusion ihlala ibonisa ijometri elungiselelwe ukuhambelana neemfuno ezithile zemveliso, ukuxhasa ukusebenza okuzinzileyo kunye nemveliso ephezulu.

IiNkqubo zokuVela ngomgqomo kunye noLawulo lobushushu

Iinkqubo zokukhupha umoya kwimibhobho zibalulekile ekususeni umoya, ukufuma, kunye nezinto eziguquguqukayo kwi-polymer melt. Ukubandakanya izibuko lokukhupha umoya kumbhobho wokukhupha kunganciphisa umthamo wokufuma kwi-extrudate ukusuka ngaphezulu kwe-3-7% ukuya ngaphantsi kwe-1%. Ukufakwa kwe-vent efanelekileyo, ngakumbi emva kwendawo yokugqibela yokuxuba, ivumela ukususwa ngokufanelekileyo kwee-volatiles. Le nkqubo inqanda ukuvalwa kokutya kunye nokuphucula umgangatho wombhobho wokugqibela.

Abanini-zithuthi kufuneka baqinisekise ufakelo oluchanekileyo kunye nokugcinwa kwezinto ezifakwayo ukuze kuthintelwe iingxaki ezifana nokunyibilika ukubaleka kwi-vent. Ukusebenzisa izinto zokukhupha umoya kunokunceda ukuthintela ukubaleka kwepolymer ngelixa uvumela iigesi ukuba ziphume. Ukusebenza okuzinzileyo kwe-vent kuxhomekeke ekugcineni iqondo eliphantsi lokuzaliswa kwindawo yokungena kunye nesikrufu esigcweleyo somlambo ukuze sisebenze njengetywina lokunyibilika.

Ulawulo oluchanekileyo lobushushu ngaphakathi kombhobho lubaluleke ngokufanayo. Ukugcina iprofayili yeqondo lokushisa elichanekileyo kuthintela ukuthotywa kwezinto kunye nokuqinisekisa umgangatho wokunyibilika ohambelanayo. Iinkqubo zokufudumeza eziphezulu kunye nokupholisa, ezifana neebhendi zokufudumeza zombane kunye nolawulo lwe-PID kunye nokupholisa kwamanzi, zivumela ukulawulwa kakuhle kwe-thermal. Ezi nkqubo zinceda ukulawula ukushisa kwe-chear okwenziwa ngexesha lokukhupha, okunokuthi kubangele ukufudumeza kwendawo kunye nokungazinzi kwisondlo sezinto eziphathekayo. I-PVC Pipe i-screw barrel ye-extrusion idla ngokubandakanya ezi zixhobo zokukhupha umoya kunye nokulawula ubushushu, ukuxhasa ukutya okuzinzileyo kunye nomgangatho ophezulu wemveliso.

Ingcebiso: Qwalasela i-sensors zeqondo lokushisa kunye neenkqubo zokukhupha umoya ukuze ugcine iimeko ezifanelekileyo ze-extrusion kunye nokukhusela ixesha lokuphumla elingalindelekanga.

Uhlengahlengiso lweNkqubo kunye noLondolozo lwesondlo esithembekileyo

Ukulungisa iqondo lobushushu, isantya seScrew, kunye nesantya sokutya

Abaqhubi bafezekisa ukutya okuzinzileyo ngokuhlengahlengisa ubushushu, isantya sokujija, kunye nesantya sokutya. Ukugcina ukushisa okunyibilikayo okuhambelanayo kuthintela utshintsho kwi-viscosity kunye nokuhamba, oku kunokubangela iindonga zemibhobho engalinganiyo. Ukulungelelanisa isantya solawulo lwe-screw ukuxuba kunye nokucheba, okuchaphazela ngokuthe ngqo amandla emibhobho kunye nomgangatho womphezulu. Itheyibhile engezantsi ishwankathela indlela ezi parameters eziphembelela ngayo ukusebenza kwe-extrusion:

Abaqhubi baphinda balinganise iinzwa kunye nokulawula ukuqinisekisa idatha echanekileyo kunye nokusebenza okuzinzileyo. Iisistim zolawulo olukwinqanaba eliphezulu kunye nolawulo lweprofayile ye-auto zinceda ukuqikelela nokulungisa ukutenxa kwenkqubo.

Ukubeka iliso kunye nokuFaka iNtetho kwiScrew kunye neBarel Wear

Ukunxitywa kwe-Screw kunye ne-barrel kunokuphazamisa ukutya okubonakalayo kunye nomgangatho ophantsi wemveliso. Uhlolo oluthe gqolo lufumanisa iimpawu zokuqala ezifana nokuncipha kwemveliso, ukuvuza kwezinto, okanye ukusetyenziswa kwamandla aphezulu. Abaqhubi bajonga ingxolo engaqhelekanga, ukungcangcazela, okanye utshintsho kwinkangeleko yepolymer. Ukusebenzisaabenzi boluvo bexesha langempela kunye neenkqubo zokujonga umatshiniinceda ukuchonga ukuguga ngaphambi kokuba kubangele ukwehla. Ukugcinwa kokukhusela, kubandakanywa nokucoca kunye nokutshintshwa kwangethuba kwamalungu agugileyo, kugcina umgca we-extrusion usebenza kakuhle.

Uluhlu lokuJonga oluKhawulezayo

• Khangela ukuhamba kwezinto ezihambelanayo kwaye ususe ukungcola.
• Hlola kwaye ucoce iifa, iihoppers, kunye nomqala wokutya yonke imihla.
• Lungiselela ubushushu kunye nesantya se-screw kwizinto zangoku.
• Buyisela umngundo ogugileyo kwaye ugcine ulungelelwaniso lokufa.
• Ukuqeqesha abasebenzi ukuba baqaphele kwaye balungise imiba yesondlo ngokukhawuleza.
• Cwangcisa ukugcinwa kothintelo kunye nokuhlolwa komgangatho.
• Ukubeka iliso kwiinkqubo zokukhupha kunye nokupholisa amanzi rhoqo.

Ingcebiso: Uluhlu lokujonga ulondolozo olucwangcisiweyo lunciphisa ixesha lokuphumla ukuya kuthi ga kwi-45% kwaye lwandise ubomi besixhobo.

Ukukhetha ekunene PVC Umbhobho jija umphanda extrusion iqinisekisa ukutya okuhambelanayo eziphathekayo kunye nomgangatho ophezulu imveliso. Ukubeka iliso rhoqo kunye nokugcinwa kokwandisa ubomi besixhobo kunye nokunciphisa ixesha lokungasebenzi. Abaqhubi babona ukusebenza okuphuculweyo kunye neziphene ezimbalwa ngokwenza uhlengahlengiso olujoliswe kuyo.

• Ukhathalelo oluqhubekayo luxhasa ukuveliswa kombhobho wePVC othembekileyo.

FAQ

Yintoni ebangela ukutya okungahambelaniyo kwimibhobho yePVC?

Abaqhubi bahlala bebonaukutya okungahambelaniyongenxa yezikrufu ezigugileyo, ulawulo olungafanelekanga lobushushu, okanye izinto ezingcolisekileyo ekrwada. Ukuhlolwa nokugcinwa rhoqo kunceda ukuthintela le miba.

Ingaba uyilo lombhobho wesikrufu luchaphazela njani umgangatho wombhobho?

Uyilo lombhobho wesikruruilawula ukuxubana kwezinto, ukunyibilika kunye noxinzelelo. Ijometri efanelekileyo iqinisekisa ukutya okufanayo, ukunciphisa iziphene, kunye nokuphucula amandla kunye nokubonakala kwemibhobho egqityiweyo.

Kufuneka abasebenzi bawuhlole kangaphi umbhobho wokujija?

Abasebenzisi kufuneka bahlole umgqomo wokujija rhoqo ngeveki. Ukufunyaniswa kwangaphambili kokunxitywa okanye ukwakhiwa kunceda ukugcina imveliso ezinzileyo kunye nokwandisa ubomi besixhobo.