Mokhoa oa phetisetso ea torque lipakeng tsa screw le mandrel ke senotlolo sa ho lemoha groove e tebileng ea screw.Phetisetso ea torque lipakeng tsa "screw element" le "mandrel" e ne e hokahantsoe qalong ka linotlolo tse bataletseng, tse neng li sa lekanyetse ho teba ha screw groove feela le ho eketsa molumo oa mahala oa screw, empa hape le matla a linotlolo tse bataletseng li ne li sa khone ho fihlela litlhoko. mesebetsi e meng ea tlhahiso.
- 1.Spiral groove botebo
Botebo ba screw groove ke parameter ea bohlokoa ealefahla – screw extruder.Hangata e hlahisoa ka tsela e sa tobang ka karolelano ea bophara ba screw le bophara ba metso ea screw.Boleng ke paramethara ea bohlokoa ho bonts'a boemo ba tekheniki ba "twin screw extruder".Hajoale, karo-karolelano ea bophara ba kantle ba sekoti ho isa ho bophara ba motso oa screw molokong oa morao-rao (molokong oa botšelela) coaxial twin-screw extruder e emeloang ke WP ea Jeremane ke D/Di = 1.55.Ho na le lintlha tse ngata tse fokotsang D. /Di, ntle le sebaka se bohareng sa "gearbox" shaft ea "screw" ea "screw" ea "screw" ea "screw" ea "screw", "screw" ka boeona le eona e na le tšusumetso e kholo ho D / Di: joalo ka ho hanyetsa ha "screw mandle shaft", mokhoa oa phetisetso ea torque lipakeng tsa mochini. screw element le mandle-shaft, sebopeho sa "screw element" ka boeona, joalo-joalo.
- (1) Katleho ea khetho ea thepa, theknoloji ea ho sebetsa le ts'ebetso ea kalafo ea mocheso ea mandrel e etsa hore matla a torque a beng ea mandrel a ntlafatse haholo, 'me karolelano ea bolelele ba bophara ba screw e eketseha ho tloha ho 36 ea pele ho isa ho 50, kapa le ho feta.
- (2) Tsoelo-pele ea theknoloji ea mochine o khethehileng oa likoloi oa "twin-screw extruder" o fanang ka tiiso ea phetisetso ea matla bakeng sa ho kenya letsoho ho hlokoang ke sekoti se tebileng sa groove tlas'a boemo ba sebaka se sa khaotseng sa bohareng, se etsang hore screw D/ Di e fihla ho 1.55.
- (3) Mokhoa oa phetisetso ea torque lipakeng tsa screw le mandrel ke senotlolo sa ho lemoha groove e tebileng ea screw.Phetisetso ea torque lipakeng tsa "screw element" le "mandrel" e ne e hokahantsoe qalong ka linotlolo tse bataletseng, tse neng li sa lekanyetse ho teba ha screw groove feela le ho eketsa molumo oa mahala oa screw, empa hape le matla a linotlolo tse bataletseng li ne li sa khone ho fihlela litlhoko. mesebetsi e meng ea tlhahiso.Ho sebelisa phetiso ea torque ea linotlolo tse ngata ka mokhoa oa involute ho ka ntlafatsa haholo botebo ba "screw groove" tlas'a bophara bo tšoanang ba kantle ba screw.Lilemong tsa morao tjena, ha e ntse e ithuta ho tsoa ho mahlale a tsoetseng pele a kantle ho naha, China e entse likhatelopele tse kholo ts'ebetsong le tlhahisong.Hajoale, e khonne ho etsa sebopeho sa spline sa involute se nang le sebopeho se ts'oanang sa khokahanyo se nang le screw ea kantle ho naha, ka hona se etsa lintlafatso tse kholo botebong ba screw groove.
- (4) Katleho ea sebopeho sa element.Sebopeho sa "blocking block" se rarolla theknoloji ea bohlokoa ea tlhahiso, sebopeho sa eona se fetoha ho tloha mofuteng o le mong oa pele, mofuta oa ho kopanya ho ea ho mofuta oa hona joale oa bohlokoa, kahoo o tiisa ho teba ha "screw groove" ho tloha matla a ntho, le ho etsa hore phetoho ea motsoako oa screw le kopano ea screw e ka tšeptjoang le e loketseng haholoanyane.
Ho akaretsa, likhatelopele likarolong tsa sistimi ea phetisetso ea gear, matla a ho kuta a mandrel, mofuta oa phetisetso ea torque ea screw element le mandrel, le moralo le tlhahiso ea screw element e netefatsa nts'etsopele e atlehileng ea moloko o mocha oa sekoti se lebelo le holimo le se tebileng. extruder.
- 2.Sekheo se secha sa screw
Synthetic twin screw extruder ke karolo ea mantlha ea screw, kamora ho qaleha ha screw and screw element haesale e le lipatlisiso tsa nts'etsopele le tataiso ea mantlha, sebopeho sa screw ho tloha nts'etsopele ea mantlha pele ho "building block". ”, likhoele tse tharo ho tloha hloohong e le 'ngoe ho ea hloohong, hamorao ha sebopeho se habeli, mofuta oa likarolo tsa screw, sebopeho le liphapang tsa ts'ebetso.Ntlafatsa mochini oa ho itlhoekisa oa mofuta oa sekoaelo, mofuta oa "screw" oa mofuta oa "screw element", "toothed screw element", "screw regulating screw element" joalo-joalo, ea "twin screw extruder screw element e entseng boqapi bo boholo, bo tlatselletsang le bo phethahetseng, bo matlafatsa le ho ntlafatsa tsela ea" twin screw extruder mixing and plasticizing effect, hasana, kuta, khatello, le ho feto-fetoha.
- 3.Gear box rating rating parameters
Paramethara ea boemo ba torque M / A3 ea lebokose la gear ke paramente ea bohlokoa ea ts'ebetso ea coaxial twin-screw extruder.Boleng ba eona bo emela boemo ba tekheniki ba coaxial twin-screw extruder mme bo emela torque ea torque ea lebokose la gear tlasa sebaka se itseng sa screw center.Ka lebaka la ho khetheha ha mokhoa oa phetisetso oa coaxial twin-screw extruder, torque ea gear e kenngoa ka lebokoseng la gear ka lebelo le phahameng.Ka ho fokotseha le ho aroloa ha torque, torque e fetisetsoa ho li-twin-screw ka li-shafts tse peli tse hlahisoang tse nang le sebaka se lekanyelitsoeng sa bohareng tlas'a boemo ba matla a axial a maholo.Ka hona, tekanyo ea tekanyo ea M / A3 pakeng tsa sebaka se bohareng sa sekhahla sa tlhahiso le torque e hlahisoang e fetohile letšoao la bohlokoa ho lekanya boemo ba eona ba theknoloji.Kahoo moralo oa lebokose la li-gear tsa twin screw extruder o thata haholo ha o bapisoa le moralo le nts'etsopele ea sistimi e akaretsang ea phetisetso ea lisebelisoa.Hajoale, China e entse khatelo-pele e kholo molemong oa phetisetso ea li-gear, kabo ea junifomo ea torque le tharollo ea matla a axial.Litekanyetso tsa boemo ba torque ea extruder ea liteko li fetotsoe ho tloha ho 4.Seven e ea ho tse robeli.8.E rala motheo o motle bakeng sa nts'etsopele ea lebelo le holimo le lebokose la gear la torque e phahameng ea extruder ea tlhahiso.
Mabapi le bophelo ba tšebeletso ea lebokose la lisebelisoa, ka ho ntlafatsa le ho tsamaisoa ke mofuta o mocha oa litsela tse ngata, eseng feela ho ntlafatsa matla a phetisetso, 'me ka tlhophiso e utloahalang ea axis, ho rarolla kabo ea thepa le thepa ea thepa, e fokolitse haholo koloi ea lisebelisoa le ts'ebetso ea ts'ebetso ea matla a eketsehileng, e leng ho thibelang nako e telele bophelo ba tšebeletso ea lebokose la gear ea ts'ebetso e khahlanong le mokhathala oa gear, ts'ebetso ea tsamaiso ea "thrust bearing system" e ntlafatsoa haholo, ka mor'a ho amohela multiplex drive, ho hlahisa khatello ea maikutlo ea bophara ba li-axle directions e fokotseha haholo, ka hona, ka litsela tse ngata ho ntlafatsa lisebelisoa, tsamaiso ea ho kenya letsoho, karolo ea kabo ea torque ea bophelo ba tšebeletso, E etselitsoe bophelo ho fihlela ho 10 a.
- 4.Lebelo la Screw
Lebelo la Screw ke parameter e 'ngoe ea bohlokoa ho lekanya boemo ba ts'ebetso ea extruder ka tataiso e ts'oanang' me ke tsela ea bohlokoa ea ho ntlafatsa index ea ts'ebetso ea extruder.E ama ka ho toba li-parameter tsa sehlopha sa torque le bokhoni ba tlhahiso ea thepa.Keketseho ea lebelo la ho potoloha ha screw haholo e ipapisitse le boqapi le nts'etsopele ea mochini oa phetisetso ea li-gear, bokhoni ba "screw torque" le ts'ebetso e khahlanong le mokhathala, ka ho nts'etsapele mokhoa o mocha oa phetisetso le ho ntlafatsa moralo oa boqapi, khetho ea likarolo tsa bohlokoa tse tsoang kantle ho naha. , ho bolela, tlhahlobo e tiileng ea lisebelisoa tsa screw spindle le ntlafatso ea ts'ebetso ea kalafo ea mocheso, le screw element le spindle, tse kenyelletsang katleho ea spline e entsoeng ka mokhoa o ts'oanang oa khatello ea khatello ea maikutlo, e etsang hore ho khonehe ho eketsa lebelo la ho potoloha, e bile ka har'a mochine o monyenyane oa liteko oa lebelo le phahameng oa maiketsetso oa twin-screw extruder ka teko ea indasteri.
- 5.Bokhoni ba tlhahiso
Boemo ba tekheniki le ts'ebetso ea lisebelisoa li reretsoe ho ntlafatsa bokhoni ba tlhahiso, ho fokotsa tšebeliso ea matla le ho ntlafatsa ts'epo.Bokhoni ba tlhahiso ke ntlha ea mantlha ea ho lekola ts'ebetso ea yuniti: (1) ntlafatsa lebelo la screw, mofuta o ts'oanang oa tlhahiso o ka imena habeli; (2) ts'ebeliso ea screw groove screw, eketsa molumo o sa lefelloeng oa screw, ntlafatsa lebelo la yuniti le matla a lipalangoang tsa nako ea yuniti; (3) ts'ebeliso ea sekoti sa mafahla le pompo ea gear e kopantsoeng tsela ea tekheniki, ho ntlafatsa ts'epahalo ea lebokose la phetisetso, ho fokotsa matla a axial a tsamaisoang ke gear, ho felisa moeli oa matla a axial ho fokotsa tlhahiso ea ntlha, ntlafatsa tlhahiso ea extruder.
Nako ea poso: May-10-2017