Yanayin canja wuri mai ƙarfi tsakanin dunƙule da mandrel shine maɓalli don gane zurfin dunƙule tsagi.A juzu'i canja wurin tsakanin dunƙule kashi da kuma mandrel da aka farko da alaka da lebur makullin, wanda ba kawai iyakance zurfafa na dunƙule tsagi da kuma ƙara da free girma na dunƙule, amma kuma ƙarfi daga cikin lebur makullin ba zai iya saduwa da bukatun na wasu ayyukan samarwa.
- 1.Spiral tsagi zurfin
Zurfin dunƙule tsagi shine muhimmin ma'auni natwin - dunƙule extruder.Yawancin lokaci ana bayyana shi a kaikaice ta rabon diamita na dunƙule da diamita tushen dunƙule.Ƙimar ita ce ma'auni mai mahimmanci don nuna matakin fasaha na tagwayen dunƙule extruder.A halin yanzu, rabo daga diamita na waje na dunƙule zuwa tushen diamita na dunƙule a cikin sabon ƙarni (ƙarni na shida) coaxial twin-screw extruder wanda WP na Jamus ke wakilta shine D / Di = 1.55. Akwai dalilai da yawa da ke iyakance D. / Di, ban da tsakiyar nisa na gearbox fitarwa shaft na tuki dunƙule, dunƙule kanta kuma yana da mafi girma tasiri a kan D / Di: kamar shear juriya na dunƙule mandle-shaft, da karfin juyi canja wuri yanayin tsakanin dunƙule element da mandle-shaft, tsarin da dunƙule element kanta, da dai sauransu.
- (1) Nasarar zaɓin kayan aiki, fasahar sarrafa kayan aiki da aikin jiyya na zafi na mandrel yana sa ƙarfin juzu'i na ƙayyadaddun motsi ya inganta sosai, kuma tsayin diamita na dunƙule yana ƙaruwa daga farkon 36 zuwa 50, ko ma mafi girma.
- (2) Nasarar fasaha na tsarin tuƙi na musamman na kayan aikin haɗin gwiwar twin-screw extruder yana ba da garantin watsa wutar lantarki don shigarwar jujjuyawar da ake buƙata ta hanyar dunƙule mai zurfi a ƙarƙashin yanayin tsaka-tsakin tsaka-tsakin tsaka-tsakin tsaka-tsakin, yin dunƙule D / Yana zuwa 1.55.
- (3) Yanayin canja wuri mai ƙarfi tsakanin dunƙule da mandrel shine mabuɗin don gane zurfin dunƙule tsagi.A juzu'i canja wurin tsakanin dunƙule kashi da kuma mandrel da aka farko da alaka da lebur makullin, wanda ba kawai iyakance zurfafa na dunƙule tsagi da kuma ƙara da free girma na dunƙule, amma kuma ƙarfi daga cikin lebur makullin ba zai iya saduwa da bukatun na wasu ayyukan samarwa.Yin amfani da watsa juzu'i na maɓalli da yawa a cikin nau'i na involute na iya haɓaka zurfin rami mai zurfi a ƙarƙashin diamita na waje ɗaya.A cikin 'yan shekarun nan, yayin da ake koyo daga fasahohin zamani na kasashen waje, kasar Sin ta samu babban ci gaba a fannin sarrafa kayayyaki da masana'antu.A halin yanzu, ya sami damar kera tsarin spline involute tare da nau'in haɗi iri ɗaya tare da dunƙule na waje, don haka yana yin babban ci gaba a cikin zurfin dunƙule tsagi.
- (4) Ci gaban tsarin kashi.Tsarin toshe dunƙule yana warware mahimman fasahar masana'anta, tsarinsa yana canzawa daga nau'in yanki na asali guda ɗaya, nau'in haɗawa zuwa nau'in haɗin kai na yanzu, don haka yana ba da tabbacin zurfafa tsagi na dunƙule daga ƙarfin kashi, kuma yana sa daidaitawar haɗin haɗin gwiwa da haɗuwa da ƙuƙwalwar ƙira mafi aminci da dacewa.
Don taƙaitawa, ci gaba a cikin sassan tsarin watsa kayan aiki, ƙarfin juzu'i na mandrel, nau'in watsa juzu'i na nau'in dunƙule da mandrel, da ƙira da kera nau'ikan dunƙule suna tabbatar da nasarar ci gaban sabon ƙarni na babban sauri da zurfin dunƙule Ramin. extruder.
- 2.New dunƙule kashi
Roba tagwaye dunƙule extruder ne core sashi na dunƙule, bayan zuwan roba biyu dunƙule extruder, da kuma ci gaban dunƙule da dunƙule kashi ya kasance ko da yaushe wani developer bincike da kuma babban shugabanci, dunƙule tsarin daga integral ci gaban da wuri zuwa "gini block. ”, zaren uku daga kai guda zuwa kai, daga baya lokacin da tsarin biyu, nau'in abubuwan dunƙulewa, tsari da bambance-bambancen aiki.Haɓaka nau'in tsaftataccen tsarin kai na kai na nau'in sikelin kai, gefen nau'in nau'in jujjuyawar sikelin, da sauransu, na tagwayen dunƙule, ƙara da cikakke, ƙarfafa da inganta shugabanci na da tagwaye dunƙule extruder hadawa da plasticizing sakamako, watsawa, karfi, matsa lamba, kuma daidaitacce.
- 3.Gear akwatin karfin juyi rating sigogi
Madaidaicin madaidaicin juzu'i M/A3 na akwatin gear muhimmin ma'aunin nunin aiki ne na madaidaicin tagwayen dunƙule coaxial.Ƙimar sa tana wakiltar matakin fasaha na coaxial twin-screw extruder kuma yana wakiltar ƙarfin fitarwa na akwatin kaya a ƙarƙashin wani nisa na tsakiya.Saboda ƙayyadaddun nau'in watsawa na coaxial twin-screw extruder, karfin jujjuyawar kayan aiki yana shigar da shi cikin akwatin kaya ta hanyar maɗaukakiyar sauri.Ta hanyar ragewa da rarrabawar juzu'i, ana watsa wutar lantarki zuwa tagwayen tagwaye ta hanyar fitarwa guda biyu tare da iyakacin nesa na tsakiya a ƙarƙashin yanayin babban ƙarfin axial.Sabili da haka, ma'auni na rabon M/A3 tsakanin tsakiyar nisa na ma'auni na fitarwa da karfin fitarwa ya zama alama mai mahimmanci don auna matakin fasaha.Don haka ƙirar akwatin gear na twin dunƙule extruder yana da matukar wahala idan aka kwatanta da ƙira da haɓaka tsarin watsa kayan gabaɗaya.A halin yanzu, kasar Sin ta sami babban ci gaba a yanayin watsa kayan aiki, rarraba yumɓu mai ƙarfi da kuma maganin axial Force.An canza ma'auni na ma'aunin karfin juzu'i na extruder na gwaji daga 4. Bakwai yana hawa zuwa takwas.8.Yana shimfiɗa tushe mai kyau don haɓaka babban sauri da babban akwatin kayan aiki mai ƙarfi na samarwa extruder.
Dangane da rayuwar sabis na akwatin gear, ta hanyar haɓakawa da fitar da sabon nau'in hanyar tashoshi da yawa, ba wai kawai haɓaka ƙarfin watsawa ba, kuma ta hanyar tsarin ma'ana na axis, warware kayan aiki da tura jigilar kaya, ya rage girman tuƙi da tsarin aiki na ƙarin ƙarfi, yin dogon lokaci yana ƙuntata rayuwar sabis na akwatin gear na aikin anti-gajiya na kayan aiki, ƙaddamar da tsarin aiwatar da aikin yana haɓaka sosai, bayan ɗaukar madaidaicin drive, fitarwa damuwa na diamita mai ɗaukar hoto na jagorar axle yana raguwa sosai, sabili da haka, ta hanyoyi da yawa don inganta kayan aiki, tsarin ƙaddamarwa, ɓangaren rarraba juzu'i na rayuwar sabis mai ɗaukar nauyi, Tsara Rayuwa har zuwa 10 a.
- 4. Gudun gudu
Gudun dunƙule wani muhimmin ma'auni ne don auna darajar aikin mai extruder tare da shugabanci iri ɗaya kuma hanya ce mai mahimmanci don inganta fihirisar aikin extruder.Yana shafar kai tsaye ma'aunin ma'aunin ƙarfi da ƙarfin samar da kayan aiki.The dunƙule juyawa gudun karuwa yafi dogara ne a kan bidi'a da kuma ci gaban gear watsa tsarin drive, da ikon da dunƙule karfin juyi a karkashin da kuma anti-gajiya yi, ta hanyar bunkasa wani sabon nau'i watsa hanya da kuma inganta ƙirƙira ƙira, zaɓi na key sassa shigo da hali. , yana nufin, da tsananin nunawa na dunƙule sandal kayan da inganta zafi magani tsari, da dunƙule kashi da kuma sandal, involute spline nasara sanya a cikin nau'i na uniform danniya rarraba, yin shi yiwuwa a dunƙule juyawa gudun karuwa, ya kasance a cikin wani nau'i. ƙananan na'ura mai sauri-sauri na gwaji roba tagwaye-screw extruder inji ta gwajin masana'antu.
- 5.Production iya aiki
Matsayin fasaha da aikin kayan aiki yana nufin inganta ƙarfin samarwa, rage yawan amfani da makamashi da inganta ingantaccen aminci.Ƙarfin samarwa shine babban mahimmanci don kimanta aikin naúrar: (1) haɓaka saurin dunƙule, nau'in samarwa iri ɗaya za'a iya ninka sau biyu; (2) yin amfani da dunƙule mai zurfi mai zurfi, haɓaka ƙarar dunƙule kyauta, inganta haɓakar haɓakawa. saurin juzu'i da ƙarfin jigilar lokaci naúrar; (3) yin amfani da tagwayen dunƙule da famfo gear haɗe da hanyar fasaha, haɓaka amincin akwatin watsawa, rage ƙarfin axial da ke ɗauke da kayan aiki, kawar da iyakar ƙarfin axial don rage girman fitarwa na factor, inganta fitarwa na extruder.
Lokacin aikawa: Mayu-10-2017