Imodi yokudlulisa i-torque phakathi kwesikulufa ne-mandrel iyisihluthulelo sokubona i-groove ejulile yesikulufu.Ukudluliswa kwe-torque phakathi kwesici sesikulufu kanye ne-mandrel ekuqaleni kwakuxhunywe okhiye abayisicaba, abangakhawuleli nje kuphela ukujula kwe-screw groove futhi bakhulise ivolumu yamahhala yesikulufu, kodwa futhi amandla okhiye oyisicaba awakwazanga ukuhlangabezana nezidingo ze-screw groove. eminye imisebenzi yokukhiqiza.
- 1.Ukujula kwe-Spiral groove
Ukujula kwe-screw groove kuyipharamitha ebalulekile yeiwele – screw extruder.Imvamisa ivezwa ngokungaqondile ngenani le-screw diameter kanye ne-screw root diameter.Inani liyipharamitha ebalulekile yokubonisa ileveli yobuchwepheshe ye-twin screw extruder.Njengamanje, isilinganiso sobubanzi bangaphandle besikulufu kuya kububanzi bempande yesikulufu esizukulwaneni sakamuva (isizukulwane sesithupha) i-coaxial twin-screw extruder emelwe i-WP yaseJalimane ingu-D/Di = 1.55.Kunezici eziningi ezikhawulela u-D /Di, ngaphezu kwebanga elimaphakathi le-shaft ephumayo ye-gearbox yesikulufu sokushayela, isikulufu ngokwaso sinomthelela omkhulu ku-D/Di: njengokumelana kwe-shear kwe-screw mandle-shaft, imodi yokudlulisa itorque phakathi i-screw element kanye ne-mandle-shaft, isakhiwo se-screw element ngokwayo, njll.
- (1) Ukuphumelela ekukhethweni kwezinto ezibonakalayo, ubuchwepheshe bokucubungula nokusebenza kokwelashwa kokushisa kwe-mandrel kwenza umthamo we-torque we-mandrel ube ngcono kakhulu, futhi isilinganiso sobude bobubanzi besikulufu sikhuphuka sisuka kokungu-36 sokuqala siye ku-50, noma ngisho nangaphezulu.
- (2) Ukuphumelela kwezobuchwepheshe kwesistimu yokushayela igiya elikhethekile le-co-directional twin-screw extruder kunikeza isiqinisekiso sokudluliswa kwamandla kokokufaka kwetorque edingwa isikulufu se-groove esijulile ngaphansi kwesimo sebanga eliphakathi nendawo elingashintshi, okwenza isikulufu sibe ngu-D/ I-Di iya ku-1.55.
- (3) Imodi yokudlulisa itorque phakathi kwesikulufa ne-mandrel iwukhiye wokubona i-screw groove ejulile.Ukudluliswa kwe-torque phakathi kwesici sesikulufu kanye ne-mandrel ekuqaleni kwakuxhunywe okhiye abayisicaba, abangakhawuleli nje kuphela ukujula kwe-screw groove futhi bakhulise ivolumu yamahhala yesikulufu, kodwa futhi amandla okhiye oyisicaba awakwazanga ukuhlangabezana nezidingo ze-screw groove. eminye imisebenzi yokukhiqiza.Ukusebenzisa i-multi-key torque transmission ngendlela ye-involute kungathuthukisa kakhulu ukujula kwe-screw groove ngaphansi kobubanzi obufanayo bangaphandle besikulufu.Eminyakeni yakamuva, ngenkathi ifunda kubuchwepheshe obuphambili bakwamanye amazwe, i-China yenze impumelelo enkulu ekucubunguleni nasekukhiqizeni.Okwamanje, ikwazile ukwenza isakhiwo se-spline esingenayo ifomu elifanayo lokuxhuma ngesikulufa sangaphandle, ngaleyo ndlela yenza impumelelo enkulu ekujuleni kwesikulufu.
- (4) Ukuphumelela kwesakhiwo sesici.Isakhiwo sebhulokhi yokuxova ixazulula ubuchwepheshe obubalulekile bokukhiqiza, isakhiwo saso siyashintsha sisuka ohlotsheni lwesiqephu esisodwa sokuqala, uhlobo oluhlanganisayo luye ohlotsheni lwamanje olubalulekile, ngaleyo ndlela luqinisekisa ukujula kwe-screw groove emandleni ento, futhi kwenza ukulungiswa kwenhlanganisela yesikulufu kanye nokuhlanganiswa kwesikulufu okuthembeke kakhudlwana futhi kulula.
Ukufingqa, impumelelo ezicini zohlelo lokudlulisa amagiya, amandla e-shear e-mandrel, uhlobo lokudlulisa itorque lesici sesikulufu kanye ne-mandrel, kanye nokwakhiwa kanye nokwakhiwa kwesici sesikulufu kuqinisekisa ukuthuthukiswa okuphumelelayo kwesizukulwane esisha se-slot yesikulufa esinesivinini esikhulu nesijulile. i-extruder.
- 2.Isici esisha sesikulufu
I-Synthetic twin screw extruder iyingxenye eyinhloko yesikulufu, ngemva kokuvela kwe-scruder yesikulufu esiphindwe kabili, futhi ukuthuthukiswa kwesici sesikulufa nesikulufu bekulokhu kuwucwaningo lukanjiniyela kanye nesiqondiso esiyinhloko, isakhiwo sesikulufu kusukela ekuthuthukisweni okuphelele kusenesikhathi ukuya “kwibhlokhi yokwakha. ”, imicu emithathu isuka ekhanda elilodwa iye ekhanda, kamuva lapho ukwakheka okukabili, uhlobo lwezakhi zesikulufa, ukwakheka nokwehluka komsebenzi.Yakha isici sesikulufu sohlobo lokuzihlanza, i-screw element yohlobo lwe-mixer type screw, into eyisikulufu esinamazinyo, isici sesikulufu esilawula ukucindezela, njll., isici sesikulufu se-twin screw extruder enziwe ukuqamba okusha, okungeziwe nokuphelele, qinisa futhi uthuthukise indlela i-twin screw extruder ukuxuba nomphumela we-plasticizing, ukuhlakazeka, ukugunda, ukucindezela, nokulungiseka.
- 3.Amapharamitha wokulinganisa we-torque yebhokisi legiya
Ipharamitha ye-torque grade M/A3 yebhokisi legiya iyipharamitha yenkomba yokusebenza ebalulekile ye-coaxial twin-screw extruder.Inani layo limele izinga lobuchwepheshe le-coaxial twin-screw extruder futhi limele umthamo wokuphuma kwetorque webhokisi legiya ngaphansi kwebanga elithile lesikhungo lesikulufa.Ngenxa yobuchwepheshe befomu lokudlulisela le-coaxial twin-screw extruder, i-torque yegiya ifakwa ebhokisini legiya ngomshini wejubane eliphezulu.Ngokuncishiswa nokusabalalisa kwe-torque, i-torque idluliselwa ku-twin-screw ngama-shaft amabili okukhiphayo anebanga elilinganiselwe lesikhungo ngaphansi kwesimo samandla amakhulu we-axial.Ngakho-ke, ipharamitha yesilinganiso i-M/A3 phakathi kwebanga elimaphakathi le-shaft yokukhipha kanye ne-torque yokukhipha isibe uphawu olubalulekile lokukala izinga layo lobuchwepheshe.Ngakho-ke ukwakheka kwebhokisi legiya le-twin screw extruder kunzima kakhulu uma kuqhathaniswa nokwakheka nokuthuthukiswa kohlelo olujwayelekile lokudluliswa kwegiya.Njengamanje, i-China yenze impumelelo enkulu kumodi yokudlulisa amagiya, ukusatshalaliswa kweyunifomu ye-torque kanye nesixazululo se-axial force.Imingcele yebanga le-torque ye-extruder yokuhlola ishintshiwe kusukela ku-4.Isikhombisa ikhuphukela ku-8.8.Ibeka isisekelo esihle sokuthuthukiswa kwebhokisi legiya le-torque ephezulu le-extruder yokukhiqiza.
Ngokuya nempilo yesevisi yebhokisi legiya, ngokuthuthuka nokuqhutshwa uhlobo olusha lwendlela eneziteshi eziningi, akugcini nje ukuthuthukisa kakhulu umthamo wokudlulisa, futhi ngohlelo olufanele lwe-eksisi, kuxazululwe igiya nokusatshalaliswa komthwalo othwele, inciphise kakhulu idrayivu yegiya kanye nenqubo yokusebenza kwamandla engeziwe, okwenza ukukhawulela isikhathi eside impilo yesevisi yebhokisi legiya yokusebenza okulwa nokukhathala kwegiya, ukusebenza kwe-thrust bearing system kuba ngcono kakhulu, ngemuva kokwamukela i-multiplex drive, ikhiphe ukucindezeleka kobubanzi obuhambisanayo be-axle direction yehla kakhulu, ngakho-ke, ngezindlela eziningi zokuthuthukisa igiya, i-thrust bearing system, ingxenye yokusabalalisa i-torque yempilo yesevisi yokuthwala, Impilo Yakhelwe kufika ku-10 a.
- 4.Isivinini sesikulufa
Isivinini se-screw singenye ipharamitha ebalulekile yokukala izinga lokusebenza kwe-extruder ngendlela efanayo futhi kuyindlela ebalulekile yokuthuthukisa inkomba yokusebenza kwe-extruder.Ithinta ngqo imingcele yebanga le-torque namandla okukhiqiza wemishini.Ukwenyuka kwesivinini sokuzungezisa isikulufa kuncike kakhulu ekwenziweni okusha nasekuthuthukisweni kwesistimu yokuhambisa igiya, ikhono letorque yesikulufu ngaphansi nokusebenza okulwa nokukhathala, ngokwakha indlela yokudlulisa yohlobo olusha nokwandisa idizayini emisha, ukukhethwa kwezingxenye ezibalulekile ezinezimpawu ezingenisiwe. , kusho, ukuhlolwa okuqinile kwezinto zokuphotha ngezikulufu kanye nokuthuthukiswa kwenqubo yokwelapha ukushisa, kanye nesici sokuphotha nesikulufu, okubandakanya impumelelo ye-spline eyenziwe ngendlela yokusabalalisa ingcindezi efanayo, okwenza kube nokwenzeka ukukhuphuka kwesivinini sokuzungezisa isikulufu, bekulokhu umshini omncane wokuhlola osheshayo we-twin-screw extruder ngokusebenzisa ukuhlolwa kwezimboni.
- 5.Umthamo wokukhiqiza
Izinga lobuchwepheshe nokusebenza kwemishini kuhloswe ngayo ukuthuthukisa umthamo wokukhiqiza, ukunciphisa ukusetshenziswa kwamandla kanye nokwenza ngcono ukuthembeka.Umthamo wokukhiqiza uyisici esiyinhloko sokuhlola ukusebenza kweyunithi: (1) thuthukisa isivinini sesikulufu, uhlobo olufanayo lokukhiqiza lungaphinda luphindwe kabili;(2) ukusetshenziswa kwesikulufu sesikulufu esijulile, khulisa ivolomu engenasikulufu, thuthukisa isivinini seyunithi kanye nomthamo wokuthutha wesikhathi seyunithi;(3) ukusetshenziswa kwesikulufu esingamawele nephampu yegiya kuhlanganiswe umzila wobuchwepheshe, kuthuthukisa ukuthembeka kwebhokisi lokudlulisa, ukunciphisa amandla e-axial athwalwa igiya, kuqede umkhawulo wamandla e-axial ukunciphisa ukukhishwa kwesici, thuthukisa ukukhishwa kwe-extruder.
Isikhathi sokuthumela: May-10-2017