Iyo torque yekufambisa modhi pakati pe screw uye mandrel ndiyo kiyi yekuziva yakadzika screw groove.Iyo torque yekufambisa pakati peiyo screw element uye mandrel yakatanga yakabatana nemakiyi akafuratira, ayo asina kungogumira kudzika kwescrew groove uye kuwedzera vhoriyamu yemahara yescrew, asiwo simba remakiyi akafuratira aisakwanisa kuzadzisa zvinodiwa. mamwe mabasa ekugadzira.
- 1.Spiral groove kudzika
Kudzika kwe screw groove chinhu chakakosha parameter yemapatya - screw extruder.Kazhinji inoratidzwa zvisina kunanga nereshiyo ye screw diameter uye screw root diameter.Kukosha kwakakosha parameter kuratidza tekinoroji mwero wetwin screw extruder.Parizvino, chiyero chekunze kwedhayamita yesiruu kusvika kumudzi wesiruu muchizvarwa chemazuva ano (chizvarwa chechitanhatu) coaxial twin-screw extruder inomiririrwa neWP yekuGermany iD/Di = 1.55.Pane zvinhu zvakawanda zvinomisa D. / Di, mukuwedzera kune yepakati chinhambwe chegiya regiya rekuburitsa shaft yedhiraivha screw, screw pachayo ine zvakare yakakura kukanganisa paD / Di: senge shear kuramba kwe screw mandle-shaft, torque yekufambisa modhi pakati pe screw element uye mandle-shaft, chimiro che screw element pachayo, nezvimwe.
- (1) Kubudirira mukusarudzwa kwezvinhu, kugadzira tekinoroji uye kupisa kupisa kuita kwe mandrel kunoita kuti torque inotakura mandrel ivandudzwe zvakanyanya, uye kureba-dhayamita reshiyo ye screw inowedzera kubva pakutanga 36 kusvika 50, kana kutokwira.
- (2) Iko budiriro yetekinoroji yeyakakosha giya dhiraivha system yeiyo co-directional twin-screw extruder inopa simba rekufambisa garandi yekuisa torque inodiwa neyakadzama groove screw pasi pemamiriro enzvimbo inogara iri pakati, ichiita screw D/ Di inoenda ku1.55.
- (3) Iyo torque yekufambisa modhi pakati pe screw ne mandrel ndiyo kiyi yekuziva yakadzika screw groove.Iyo torque yekufambisa pakati peiyo screw element uye mandrel yakatanga yakabatana nemakiyi akafuratira, ayo asina kungogumira kudzika kwescrew groove uye kuwedzera vhoriyamu yemahara yescrew, asiwo simba remakiyi akafuratira aisakwanisa kuzadzisa zvinodiwa. mamwe mabasa ekugadzira.Kushandisa multi - key torque transmission nenzira ye involute inogona kuvandudza zvakanyanya kudzika kwescrew groove pasi peiyo dhayamita yekunze ye screw.Mumakore achangopfuura, tichidzidza kubva kune dzimwe nyika tekinoroji yepamusoro, China yakaita budiriro huru mukugadzirisa nekugadzira.Parizvino, yakakwanisa kugadzira involute spline chimiro chine fomu imwechete yekubatanidza ine screw yekunze, nekudaro ichiita mabhindauko makuru mukudzika kwescrew groove.
- (4) Kubudirira kwechimiro chechinhu.Chimiro chechivharo chekukanyira chinogadzirisa kiyi tekinoroji yekugadzira, chimiro chayo chinoshanduka kubva kune yekutanga chidimbu chidimbu mhando, iyo yekuunganidza mhando kune yazvino yemhando yemhando, nekudaro inovimbisa kudzika kweiyo screw groove kubva kusimba rechinhu, inoitawo Kugadziriswa kweiyo screw musanganiswa uye kusangana kwescrew yakavimbika uye yakanakira.
Kupfupisa, mabudiro muzvikamu zvegiya rekufambisa sisitimu, shear simba remandrel, torque transmission fomu ye screw element uye mandrel, uye dhizaini nekugadzira screw element inovimbisa kubudirira kwechizvarwa chitsva chepamusoro-kumhanya uye yakadzika screw slot. extruder.
- 2.New screw element
Synthetic twin screw extruder ndicho chikamu chepakati chescruder, mushure mekuuya kweiyo synthetic double screw extruder, uye kugadzirwa kwescrew and screw element kwagara kuri tsvakiridzo yekuvandudza uye nzira huru, screw chimiro kubva mukubatanidzwa kwekutanga kusvika "building block. ”, shinda nhatu kubva kumusoro mumwe kuenda kumusoro, gare gare kana kaviri chimiro, rudzi rwesikurwa zvinhu, chimiro uye basa mutsauko.Gadzira yekuzvichenesa yemhando yekusanganisa screw element, edge type mixer type screw element, toothed screw element, pressure regulating screw element, etc., ye twin screw extruder screw element yakaita hunyanzvi hukuru, kuwedzera uye kukwana, kusimbisa nekuvandudza nzira iyo twin screw extruder kusanganisa uye plasticizing mhedzisiro, kupararira, kugera, kudzvanywa, uye kuchinjika.
- 3.Gear box torque rating parameters
Iyo torque giredhi parameter M / A3 yegiya bhokisi yakakosha kuita chiratidzo parameter ye coaxial twin-screw extruder.Kukosha kwayo kunomiririra tekinoroji nhanho ye coaxial twin-screw extruder uye inomiririra torque yekubuda kweiyo giya bhokisi pasi peimwe screw centre kureba.Nekuda kwekusarudzika kweiyo nzira yekufambisa yecoaxial twin-screw extruder, torque yegiya inoiswa mubhokisi regiya neakakwira-kumhanya shaft.Kuburikidza nekudzikira uye kugovera torque, torque inopfuudzwa kune mapatya-screw nemaviri ekubuda shafts ane shoma yepakati chinhambwe pasi pemamiriro ehukuru axial simba.Naizvozvo, iyo reshiyo parameter M / A3 pakati pepakati chinhambwe cheyakabuda shaft uye torque yekubuda yave chiratidzo chakakosha kuyera hunyanzvi hwayo.Saka dhizaini yegiya bhokisi remapatya screw extruder yakaoma zvikuru kana ichienzaniswa nedhizaini uye kusimudzira kweyakajairwa giya rekufambisa system.Parizvino, China yakaita budiriro huru mugiya rekufambisa modhi, torque yunifomu kugovera uye axial simba mhinduro.Iyo torque giredhi paramita yeextruder yekuyedza yakashandurwa kubva ku4.Seven inokwira kusvika masere.8.Inoisa hwaro hwakanaka hwekusimudzira kwekumhanya uye yakakwira torque giya bhokisi rekugadzira extruder.
Panyaya yehupenyu hwesevhisi yebhokisi regiya, nekuvandudza uye kufambiswa nemhando nyowani yeakawanda-channel nzira, kwete kungovandudza zvakanyanya simba rekutapurirana, uye kuburikidza nekurongeka kwakaringana kweaxis, yakagadzirisa giya uye kusimudzira kutakura mutoro kugovera, yakadzikisira zvakanyanya giya dhiraivha uye maitiro ekushanda kwesimba rekuwedzera, zvichiita kuti kurebe kudzoreredza hupenyu hwesevhisi yegiya bhokisi rekurwisa-kuneta kuita kwegiya, kusimudzira kutakura system kuita kunovandudzwa zvakanyanya, mushure mekutora multiplex drive, kubuda iyo kushushikana kweiyo dhayamita yekutakura yeaxle dhairekitori inoderera zvakanyanya, saka, munzira dzakawanda dzekuvandudza giya, iyo inosimudzira inotakura sisitimu, iyo torque yekugovera chikamu chehupenyu hwekubereka sevhisi, Yakagadzirirwa hupenyu kusvika ku10 a.
- 4.Screw speed
Screw speed ndiyo imwe yakakosha parameter kuyera giredhi rekuita re extruder ine kutungamira kwakafanana uye inzira yakakosha yekuvandudza indekisi yekuita yeextruder.Iyo inobata zvakananga iyo torque giredhi paramita uye kugona kwekugadzira kwemidziyo.Iyo screw inotenderera yekumhanyisa inowedzera zvakanyanya zvinoenderana nekuvandudza uye kusimudzira kwegiya rekufambisa system drive, kugona kwescrew torque pasi uye anti-kuneta kuita, nekugadzira nzira nyowani yekutapurirana uye kukwidziridza dhizaini, kusarudzwa kwezvikamu zvakakosha zvinotengeswa kunze kwenyika. , zvinoreva, kutarisisa kwakasimba kwescrew spindle zvinhu uye kuvandudzwa kwekupisa kupisa maitiro, uye screw element uye spindle, involute spline budiriro yakagadzirwa nenzira yeunifomu yekushushikana kwekugovera, zvichiita kuti zvikwanise kupuruzira kutenderera kukurumidza kuwedzera, kwave mu diki yakakwirira-kumhanya yekuedza kugadzira twin-screw extruder muchina kuburikidza nemaindasitiri bvunzo.
- 5.Production simba
Iyo tekinoroji level uye kuita kwemidziyo yakanangana nekuvandudza kugona kwekugadzira, kuderedza kushandiswa kwesimba nekuvandudza kuvimbika.Kugadzirwa kwesimba ndicho chinhu chikuru chekuongorora mashandiro eyuniti: (1) kunatsiridza screw speed, mhando imwechete yekugadzira inogona kupetwa kaviri; (2) kushandiswa kweyakadzika screw groove screw, kuwedzera screw free volume, kuvandudza unit kumhanya uye unit nguva yekutakura kugona; (3) kushandiswa kwemapatya screw uye giya pombi yakasanganiswa nzira yehunyanzvi, kuvandudza kuvimbika kwebhokisi rekutumira, kuderedza axial simba rinotakurwa negiya, kubvisa muganho weaxial simba kuderedza kubuda kwechinhu, kunatsiridza kubuda kweiyo extruder.
Nguva yekutumira: May-10-2017