Isibali sikhathi sokubuyisela kancane singakhomba inkinga yokondla, inqubo eshintshile noma ihadiwe eligugile. Ukuxilongwa okuwusizo kuyakutshela ukuthi yikuphi, nokuthi empeleni kubiza isikhathi sakho somjikelezo.
Uma ukubuyiswa kwesikulufu sokubumba umjovo kuthatha isikhathi eside, qala uqinisekise ukuthi kubambezela umjikelezo. Bese uhlola ukuqhubeka kokuphakelayo, isivinini sangempela sesikulufu, ukucindezela kwangemuva nezinga lokushisa ngokumelene nokugijima kwereferensi okuzinzile. Hlola i-geometry futhi ugqoke lapho lawo masheke engachazi ukulahlekelwa. Shintsha izingxenye kuphela ngemva kokuhlonza umsebenzi okhawulelayo.
Okokuqala, thola ukuthi ingabe ukululama kusendleleni ebalulekile yomjikelezo
I-Screw recovery yisiteji sokwenza ipulasitiki kanye ne-metering: isikulufu siyazungeza, silungise isithombe esilandelayo bese siyahoxisa njengoba incibilika inqwabelana phambi kwaso. Ihlukile kumjovo, lapho isikulufu siya phambili ukuletha leso sibhamu. Hlola incazelo yesilawuli-sikhathi sakho, ikakhulukazi ukuthi ihlanganisa ukubambezeleka noma ukucindezelwa.
Ukubuyisela kuvame ukweqa ingxenye yokulandelana kokupholisa. Umthelela wayo esikhathini esiphelele somjikelezo ngakho-ke uncike ekutheni ukutakula kuqala nini nokuthi yisiphi isenzo somshini okufanele silinde ukuthi siqede. Funda ukulandelana kokulandelana kunokuthi ucabange ukuthi isekhondi ngalinye elisusiwe ekubuyiseleni lisusa isekhondi emjikelezweni.
| Ubude besikhathi sokutakula | Linda ngale kwewindi | Kusho ukuthini ushintsho |
|---|---|---|
| imizuzwana engu-12 | 2 imizuzwana | Ukubuyisela kulibazisa isenzo esilandelayo. |
| 9 imizuzwana | 0 imizuzwana | Ukuthuthukiswa kokutholwa kwamasekhondi angu-3 kususa amasekhondi angu-2 wokulinda. |
| 7 imizuzwana | 0 imizuzwana | Eminye imizuzwana emi-2 ekutholeni akulethi okunye ukuncishiswa komjikelezo kulesi sibonelo. |
Umbuzo wethu wokuqala ukuthi ingabe umshini ulinde ukuncibilika noma uvele ubike inombolo ongathanda ukuyehlisa. Uma ukutakula vele kungena ngokunethezeka ngaphakathi kwewindi elitholakalayo, sizogxila ekubambisaneni nasekuncibilikeni kwekhwalithi ngaphambi kokuncoma isikulufu sokukhipha okuphezulu.
Ukuze uthole incazelo ebanzi yomhlangano, bheka yethuumjovo wokubumba umgqomo wesikulufa umhlahlandlela. Lapha, inhloso yincane: thola ukuthi kungani ukululama kushintshile nokuthi isiphi isenzo ubufakazi obusekelayo.
Ukushintsha okungazelelwe kanye nokwehla kancane kancane kudinga amaphuzu okuqala ahlukene
Londoloza ireferensi ngaphambi kokulungisa umshini. Qhathanisa izinga elifanayo le-resin, isilinganiso se-regrind, ukulungiselelwa kokudubula, isikhunta nesimo sokushisa. Qopha imijikelezo ngayinye kanye nesilinganiso; ukululama okuhamba kancane ngezikhathi ezithile kungaphazamisa ukukhiqiza ngisho nalapho isilinganiso sibonakala samukelekile.
| Iphethini elibukiwe | Hlola kuqala | Ubufakazi obufanele ukurekhodwa |
|---|---|---|
| Ukwanda okungazelelwe ngemva koshintsho lwento noma iresiphi | Ifomu lokuphakelayo, regrind, isimo sokumisa nezilungiselelo ezidlulisiwe | I-Material lot, isilinganiso senhlanganisela, isimo sezinhlayiyana kanye namarekhodi angaphambi/ngemuva kwenqubo |
| Imijikelezo ehamba kancane enezikhawu enemijikelezo evamile phakathi kwayo | Ukuphazamiseka kokuphakelayo, ibhuloho kanye nokuhluka kwesivinini sangempela | Ukulandelela ukubuyisela, umsebenzi wokulayisha kanye ne-RPM yangempela yemijikelezo efanayo |
| Ukuthola kabusha kuba kubi kancane kancane ngaphansi komsebenzi ozinzile | Qinisekisa izimo zokusebenza, bese uhlola ukuguga | Idatha yokutholwa komlando kanye nobukhulu obulinganisiwe besikulufa/bemiphongolo |
| Ukulayisha okuphezulu kanye ne-RPM yangempela ngaphansi komyalo | Ukushayela umshini, umkhawulo we-torque kanye nesimo esishisayo | Okwangempela uma kuqhathaniswa ne-RPM eyaliwe, ithrendi yokulayisha nama-alamu omshini |
| Inkinga iqala ngokushesha ngemva kokushintshwa kwengxenye | Kufakwe ingxenye yobunikazi, ubukhulu, i-geometry nokuhlanganisa | Ukubuyekezwa komdwebo okugunyaziwe, izingxenye ezifakiwe kanye nezilungiselelo zokusebenzisa |
Lawa maphethini anquma umyalelo wophenyo; abukho ubufakazi ngokwabo. Iphutha eliphuthumayo elinomsindo, ukufaka amaphuzu noma umthwalo ongajwayelekile lidinga ukunakwa okusheshayo kwesevisi yomshini, noma ngabe isikhathi sifana nenkinga yenqubo.
Qinisekisa ukuthi ama-pellets afinyelela isikulufu ngokuqhubekayo
I-hopper egcwele ayiqinisekisi ukuthi isikulufu siyaphakelwa. Hlola isilayidi, isilayidi sokuvala, indlela yezinto ezibonakalayo kanye nokupholisa komphimbo. Bheka ukuphazamiseka okuhambisana nemijikelezo enensayo ngaphambi kokushintsha isigaba sokuminyanisa noma uku-oda isikulufu esisha.
Le yindawo ka Asahi KaseiIsiqondiso se-Asaclean sokuvala i-feed-throatichaza ukuthi ukushisa eduze kwendawo yombhobho wangemuva kungathambisa kanjani ama-pellets ngaphambi kwesikhathi. Ama-pellets angakwazi ukugoqa futhi avimbe iphaseji, ashiye isikulufu sifushane ngento nakuba i-resin ihlala ngaphezu kwayo.
Hlola ukuthi yini eshintshile ekuphakeleni uqobo. Isilinganiso esihlukile se-regrind, inhlawulo eyengeziwe noma izinhlayiya ezingajwayelekile zidinga ukunakwa. I-Celanese ihlobanisa ngokuqondile ikhwalithi yezinhlayiyana ezigaywayo ezinkingeni zokuphakela nokululama kuyoUmhlahlandlela wokucubungula we-Vectra® LCP. Izincomo zayo ziqondene nezinto ezithile, kodwa zinikeza isizathu esiphathekayo sokurekhoda isimo sezinhlayiyana esikhundleni segama le-resin kuphela.
Uma ukutholwa konakala ngemva koshintsho lwe-regrind, singakuqhathanisa nokuphakelayo okuyisithenjwa okugunyaziwe ngaphambi kokushintsha izingxenyekazi zekhompuyutha. Uma ukuziphatha kokuthola kabusha okudala kubuya, uphenyo lokuphakelayo luye lwazuza kuqala. Lowo mphumela unikeza imboni indlela engcono kakhulu kunesicelo “sesikulufu esisheshayo.”
Ukomisa kusadinga ukuhlangabezana nezidingo zomhlinzeki we-resin. Ungacabangi ukuthi umswakama uyincazelo yayo yonke inkinga yesikhathi, noma ukuthi ukululama okwamukelekayo kufakazela ukuthi inhlaka yomile ngokwanele. Ukucutshungulwa kanye nekhwalithi yengxenye yokugcina kudinga ukuhlolwa okuhlukene.
Hlola isivinini sangempela, ukucindezela emuva kanye nezinga lokushisa elincibilikayo ndawonye
Funda i-RPM yangempela, hhayi nje i-setpoint
Uma umyalo ungashintshiwe kodwa isikulufu sijika kancane, hlola imikhawulo yokusebenza komshini kanye nokuziphatha kokushayela. Isincomo sejiyomethri asikwazi ukuxazulula igebe elingachazeki phakathi kwesivinini esiceliwe nesilethiwe. Rekhoda isivinini sangempela nge-stroke yokutakula, ikakhulukazi lapho ukwehla kancane kuqala.
I-RPM nayo idinga i-screw diameter ukuze isho okuningi. Eyethuumjovo ukubumba isikulufu ububanzikuhlanganisa ububanzi kusuka ku-30 kuya ku-170 mm. Ukudlulisa ukulungiselelwa kwesivinini esijikelezayo phakathi kwamadayamitha ahlukene kushintsha isivinini se-peripheral endaweni yesikulufu.
Isivinini se-peripheral, m/s = π × ububanzi, mm × RPM ÷ 60,000
Ku-100 RPM, isikulufu esingu-40 mm sinesivinini se-peripheral esingaba ngu-0.209 m/s; isikulufu esingu-60 mm sifinyelela cishe ku-0.314 m/s. Lezi yizibonelo ezibaliwe, izilungiselelo ezinganconyiwe noma izibalo eziqondile zokuncibilika kwesilinganiso sokugunda.
Sebenzisa umhlahlandlela wangempela wokucubungula webanga le-resin kanye nemikhawulo yomshini ukuze wahlulele isivinini. Ukwandisa i-RPM kuyasiza kuphela uma umshini ukwazi ukuletha futhi ukuncibilika okuwumphumela kuhlala kwamukelekile.
Thola ukuthi kungani ingcindezi yangemuva isethwe lapho ikhona
Ingcindezi yasemuva imelana nokuhlehla kwesikulufu ngesikhathi sokululama futhi ithinta indlela impahla eyenziwe ngayo ipulasitiki. Uma inyusiwe ukuze kulungiswe inkinga yokuhlanganisa noma yokukala, ukuyehliswa ukuze nje kuthuthukiswe isibali sikhathi kungase kubuyise leyo nkinga yekhwalithi. Qinisekisa ukuthi ingcindezi ebonisiwe iyi-hydraulic noma ingcindezi ethile yepulasitiki ngaphambi kokuqhathanisa imishini.
Isincomo se-universal back-pressure asisizi kakhulu. Okwe-Vectra LCP,I-Celanese icacisa ingcindezi encane yangemuva, i-5-15 bar ethize, futhi ixwayisa ngokushisa ngokweqile kanye nokulimala kwefayibha ngokucindezela okukhulu. Leso isiqondiso se-Vectra, hhayi isilungiselelo sokukopishela kunqubo ye-PP, ABS noma ye-PC.
Hlola ukuncibilika ngaphambi kokwamukela isilungiselelo esisheshayo
Ama-barrel setpoints awachazi ngokugcwele isimo esishisayo sokuncibilika. Landela inqubo egunyaziwe yokulinganisa izinga lokushisa elincibilikayo, qinisekisa i-heater nesistimu yezinzwa, futhi uqhathanise ingxenye yekhwalithi ngemva koshintsho olulawulwayo. Isikhathi esifushane sokululama esishintsha umbala, izinto ezingancibilikisiwe noma ukungaguquguquki okungesihle akukona ukulungisa okuyimpumelelo.
Shintsha okuguquguqukayo okukodwa okufanele ngesikhathi futhi uvumele inqubo ukuthi izinze. IIsiqondiso sokuxazulula inkinga se-Vectraisebenzisa indlela efanayo esesiteji. Gcina isilingo ngaphakathi kwewindi lokusebenza eligunyaziwe lezinto ozisebenzisayo ngempela.
Hlukanisa ingxenye yokuthutha egugile nendandatho yesheke evuzayo
Uma izimo zokudla nezokusebenza ziqhathaniswa kodwa ukululama kugcina kuwohloka, isimo sesikulufu nomgqomo kufanele sihlolwe. Linganisa indiza engaphandle kobubanzi kanye nebhobo yomphongolo ezindaweni ezichaziwe ngokumelene nomdwebo noma imikhawulo yokuhlola emisiwe. Hlola umonakalo wendawo kanye nobukhulu.
I-screw-front assembly idinga ukuhlolwa okuhlukile. Ngesikhathi sokululama, i-valve engabuyi ivumela ukuncibilika ukuba kuqhubekele phambili; ngesikhathi sokujova, kufanele kuvaleke ngokumelene nokugeleza okubuyela emuva. Ivalvu evuzayo ingathinta ukuvumelana kwesibhamu, kodwa lokho akuqinisekisi ukuthi ingxenye yesikulufu yokwenza ipulasitiki isigugile.
Uma i-cushion noma isisindo sokudubula naso sihluka, faka ukuhlolwa komkhiqizi we-non-return-valve ophenyweni. EyethuIsikulufa umhlahlandlela wokukhetha ithiphuihlanganisa iringi, isihlalo kanye nobukhulu bokukhwelana ngokuningiliziwe.
Ngeke sigunyaze ukushintshwa okuphelele kwesikulufu nomgqomo kusibali-sikhathi esinensayo sodwa. Ngokuphambene, isikulufu esisha akufanele singene emgqonyeni ogugile ngaphandle kokuhlola ukulingana okuwumphumela. Cela umbiko we-dimensional okhomba izindawo zokukala kanye nemikhawulo yokugqoka esetshenziselwa ukufinyelela esincomweni.
Ngabe idizayini yesikulufu ehlukile yenza umqondo nini?
Ukubuyekezwa komklamo kuba usizo lapho ijometri yamanje ingakwazi ukuhlangabezana nomsebenzi ohlosiwe ngaphakathi kwezimo zokusebenza ezamukelekayo. Lokhu kungase kulandele ushintsho lwe-resin, imfuneko yokudutshulwa enkulu noma iwindi elifushane lokutakula elitholakalayo. Kugcine kuhlukile ekubuyiseleni inqubo eyimpumelelo yangaphambilini evele yawohloka.
Imindeni yethu yomkhiqizo wezikulufi zomjovo emibili ibonisa ukukhetha okufanelekile komklamo:
| Nanhaiya design | Isigaba sokucindezela | Singayisebenzisa kanjani ekubuyekezeni |
|---|---|---|
| Isikulufu sokubumba umjovo kancane kancane | Ngokuvamile u-40% -60% wesamba sobude bezikulufu, cishe u-50% encazelweni yomkhiqizo | Ukwehliswa okude, kancane kancane kokujula kwesiteshi emisebenzini edinga ukwenziwa kwepulasitiki okulawulwayo. Linganisa inhlaka eqondile, isibhamu kanye nokuziphatha okushisayo. |
| Isikulufu sokubumba umjovo we-Mutant(idizayini yokucindezelwa okungazelelwe) | Cishe u-5% -15% wengqikithi yobude bezikulufu | Inguquko emfushane enokuncipha okubukhali ekujuleni kwesiteshi. Linganisa umsebenzi wokuncibilika kanye nokufana kokushisa ngaphambi kokuwukhetha ukuze ubhekane nomkhawulo wamandla. |
Ukwakheka kwethu kancane kancane kuhlanganisa izinhlelo zokusebenza ezihlanganisa i-PS, i-PC kanye ne-ABS; umndeni wokucindezela okungazelelwe uhlanganisa izinhlelo zokusebenza ezifana ne-PE ne-PP. Le mizila yomkhiqizo isiza ukuqala ingxoxo. Azifaki esikhundleni se-resin-grade kanye nokubuyekezwa komshini, ikakhulukazi ngezihlungi, i-regrind noma ukucaciswa kwekhwalithi okufunayo.
Amakheli okwelapha angaphezulu ayaguga, hhayi umphimbo wokuphakelayo ovalekile
Yomibili imindeni yomkhiqizo isebenzisa insimbi engu-38CrMoAlA. Ukucaciswa kwemininingwane yomkhiqizo wabo kufaka phakathi izinketho zokwelashwa ezilandelayo, eziyingxenye yengxoxo lapho ukuhlolwa kukhomba ukuguga:
| Impahla | Inani lemininingwane yomkhiqizo | Kusho ukuthini ngophenyo |
|---|---|---|
| Ubulukhuni be-Nitriding | I-HV900-1100 | Cacisa izindawo ezilashiwe kanye nemfuneko yokuhlolwa. |
| Ukujula kwe-nitriding | 0.5-0.8 mm | Khomba ukwelashwa okukhethiwe; ungacabangi impilo yesevisi ngokujula kuphela. |
| Ubulukhuni be-nickel-tungsten alloy | HRC55-62 | Buyekeza i-alloy nge-resin yangempela, i-filler nephethini yokugqoka. |
| Ukujula kwesendlalelo sengxubevange | 0.8-2.0 mm | Chaza izindawo eziqinisiwe ekucacisweni kwengxenye okuvunyelwene ngayo. |
Eyethuimininingwane yomkhiqizo wesikulufa kancane kancanechaza ukuqiniswa kwezindawo ezisengozini nge-nickel-tungsten alloy. Ngokombono wefekthri, sifuna ukuvikela okuhlongozwayo kuhambisane nokuguga okulinganiselwe. Indawo ebiza kakhulu ayilungisi ukuphakela okunganele noma iqinisekise ukuthi i-screw geometry ifanele inhlaka.
Guqula ukuxilongwa kube isenzo esithile
Gcina izincomo zincane njengoba ubufakazi buvuma. Ukuphazamiseka kokuphakelayo kufuna ukulungiswa kwesistimu yesiphakeli. Umyalo wesivinini umshini awukwazi ukugcina izingcingo zokubuyekezwa komshini. Ukuvuza kwe-valve okuqinisekisiwe kudinga ukuhlolwa kwe-valve nokuhlola okubonakalayo. Isikulufu esilinganisiwe noma ukuguga komgqomo kusekela ukumiselela kwengxenye noma ukuhlolwa kokulungiswa okufanelekayo.
Uma umhlangano usesimweni esamukelekayo kodwa umsebenzi omusha wokukhiqiza udlula umthamo wawo osebenzayo wokwenza ipulasitiki, thumela umfushane wokuklama. I-Nanhaiya ihlinzeka ngedizayini yesikulufu yangokwezifiso, i-machining kanye ne-alloy spray welding. Eyethuimishini yokukhiqizakufaka phakathi amalebula e-CNC ezingxenye zokusebenza ezingafika kumamitha ayi-6 ubude kanye nemishini ye-axis emihlanu yezindiza eziyinkimbinkimbi nezakhiwo ze-flange.
Thumela irekhodi elichaza inkinga
- Umenzi womshini kanye nemodeli, i-screw diameter, umdwebo wokuhlanganisa kanye nemininingwane yethiphu yesikulufu esifakiwe.
- Ibanga le-resin, ukulayishwa kokugcwalisa, isilinganiso se-regrind kanye nesimo sezinhlayiyana.
- Isikhathi sokutakula ngomjikelezo, i-RPM yangempela neyaliwe, ingcindezi yangemuva nesisekelo sayo sokucindezela, namarekhodi okulayisha noma e-alamu.
- Isilungiselelo sokudutshulwa, umcamelo, ingxenye nesisindo somgijimi, amarekhodi okushisa kanye newindi lokutakula elitholakalayo.
- Izinguquko sezihloliwe kakade, umthelela wazo engxenyeni yekhwalithi, kanye nanoma yimuphi umbiko wokugqokwa kobukhulu.
Ngokusebenzisa, vumelana nge-resin, shot, iwindi lokusebenza kanye nekhwalithi yengxenye eyamukelekayo. Bese uqhathanisa ukuphindaphinda kokuthola kanye nesikhathi sangempela somjikelezo. Ukuhlolwa kwe-plasticizing okukodwa okusheshayo akwanele uma isikhunta sokukhiqiza sisalindile noma izingxenye zehluleka ukuhlolwa.
Udinga isikulufu noma isiphakamiso somgqomo ukuze kube nomkhawulo oqinisekisiwe wokutakula?
Thumela i-Nanhaiya umdwebo nerekhodi lokusebenza, okuhlanganisa okushintshile nokuthi yini ulayini wakho odinga ukuyithola. Sitshele ukuthi ingabe ubuyisela umsebenzi wokuqala noma ulungiselela into ehlukile noma imfuneko yomjikelezo.
Thumela umdwebo wakho futhi usebenze idathaBuka izikulufu zokubumba umjovoXoxa ku-WhatsApp
I-I-I-Zhoushan Nanhaiya Plastic Machinery Co., Ltd.
I-imeyili:info@nhyscrew.com
Ucingo:+86-13505809643| Iselula:+86-13587082002
Block C, No. 2 West Section, Xingzhou Avenue, Dinghai District, Zhoushan City, Zhejiang Province, China.
Xhumana noNanhaiya
Imibuzo ejwayelekile ukubuzwa
Isiphi isikhathi esijwayelekile sokubumba isikulufu sokubumba umjovo?
Ayikho inombolo yendawo yonke. Isikhathi sokubuyisela sincike ku-resin, imfuneko yokudutshulwa, i-screw geometry, amandla omshini kanye nezilungiselelo zokusebenza. Qhathanisa nesikhathi esitholakalayo ekulandeleni kwangempela komshini kanye nokugijima kwereferensi okuzinzile usebenzisa into efanayo kanye nokudubula.
Ingabe ukutholwa kwesikulufa okusheshayo kuhlala kusifinyeza isikhathi somjikelezo?
Cha. Ifinyeza umjikelezo kuphela uma ukutakula okungaqediwe kulibazisa isenzo somshini esivunyelwe esilandelayo. Uma ukubuyisela sekuphelile ngaphakathi kwewindi eligqagqene elitholakalayo, ukukwenza kusheshe kungase kushiye isikhathi somjikelezo singashintshiwe.
Kungani isikulufu sizungeza kodwa sihlehla kancane kakhulu?
Hlola ukuthi i-resin ifinyelela isikulufu, ukuthi ingcindezi yangemuva ishintshile yini, nokuthi isivinini sangempela sesikulufu siyafana yini nomyalo. Ukufakwa kwebhuloho lokuphakelayo, ukugaywa kabusha okungaguquki, izimo zenqubo kanye nezingxenye ezigugile amagatsha angaphenywa. Ukuzungezisa kukodwa akufakazeli ukuthi isikulufu sidlulisa izinto ezanele.
Ingabe kufanele nginyuse i-RPM ukuze ngilungise ukutakula okungasheshi?
Kuphela ngemva kokuhlola ukuphakelwa, isivinini sangempela, ingcindezi yangemuva kanye nemikhawulo yokucubungula ye-resin. Yahlulela noma yiluphi ushintsho ngekhwalithi yokuncibilika, izinga lokushisa langempela lokuncibilika nokuphindaphinda kanye nesikhathi sokululama. Ungasebenzisi isivinini esengeziwe ukufihla inkinga yokudla engaxazululiwe noma yokuguga.
Ingabe indandatho yesheke evuzayo ifakazela ukuthi isikulufu sonke sigqokile?
Cha. Ukuvala indandatho yokuhlola kanye nokudluliswa kwe-screw-barrel kuyimisebenzi ehlukene. Phenya ukuhluka kwe-cushion noma i-shot-weight ngokuhlolwa kwe-valve yomkhiqizi womshini, futhi usebenzise ukuhlola kwe-dimensional ukuze uthole ukuguga kwesikulufu nemiphongolo.
Yini uNanhaiya ayidingayo ukuze ahlole ozongena esikhundleni?
Thumela imodeli yomshini, i-screw diameter kanye nomdwebo, ibanga le-resin nesigcwalisi, imininingwane ye-regrind, amarekhodi angempela okuthola kabusha, isivinini sesikulufu nezilungiselelo zokucindezela emuva, amarekhodi okushisa, nanoma yiziphi izilinganiso zokugqoka. Faka umjikelezo odingekayo kanye nengxenye yekhwalithi yemibandela ukuze ukumiselela kube nomsebenzi ochaziwe.
Qhubeka neumhlahlandlela wokukhetha umgqomo wesikulufa wokubumba umjovo, noma hlola i-ithiphu le-screw kanye nohlu lokuhlola lokubuyisela iringiuma ubufakazi bukhomba emhlanganweni ongaphambili.
