A umshini wokubumba oqhubekayoikhipha i-parison engami ngenkathi iziteshi zesikhunta zingena ukuze ziyibambe futhi ziyivuthele. I-extruder ayilokothi ime, okwenza lo kube umzila oshesha kakhulu weziqukathi ze-HDPE ne-PP kusuka cishe ku-0.5 kuya ku-30 wamalitha. Izinto ezintathu eziguquguqukayo zisetha okukhiphayo kwakho: isibalo sesiteshi, ama-die head cavities, nesikhathi somjikelezo. Okunye okuthathu setha izindleko zakho: amandla ngengxenye ngayinye, ukunakekelwa, kanye ne-scrap. Lo mhlahlandlela uhlanganisa izinhlangothi zombili, ngemininingwane yangempela evela emishinini yethu.
I-extrusion eqhubekayo imboza iziqukathi eziningi zepulasitiki oziphatha ngosuku. Amabhodlela okuhlanza, izimbiza zikawoyela wezimoto, amathini amajeri, amaphakheji e-agrochemical — cishe zonke ziphuma emishinini efana nale.
Ukucaciswa okukodwa ngaphambi kwemininingwane. Sula amabhodlela amanzi e-PET avela enqubweni ehlukile, i-injection stretch blow blow molding, emishinini ehlukene. Lo mhlahlandlela uhlanganisa ukubunjwa kokushaywa kwe-extrusion okuqhubekayo kwe-HDPE, PP, PVC, ne-PA. Uma umkhiqizo wakho kuyibhodlela lesiphuzo se-PET, imishini yethuuhla lomshini oluqhubekayongeke ngiphumelele.
Ukucushwa komshini: ukuthi isikhunta sihlangana kanjani nejele
Yonke imishini eqhubekayo ixazulula inkinga efanayo. I-parison igeleza ngaphandle kokuma, ngakho-ke isikhunta kufanele size kuso, sivale, sifuthe, futhi siphume ngaphambi kokudubula okulandelayo. Ukuthi umshini wenza kanjani lokho kuchaza ukucushwa.
Imishini yokuhambisa isikhuntasusa isikhunta siqonde etilongweni. Ukwakhiwa kulula, kufakazelwe, futhi kuyabiza. Ifaka iziqukathi ezi-2 kuya kweziyi-15.
Imishini yengalo egobileshwiba isikhunta nge-arc, efinyeza uhambo futhi isheshise umjikelezo. Baphinde baphathe amakhanda e-co-extrusion wezendlalelo ezi-1 kuya kwezi-6. Leli ikilasi lokuphuma okuphezulu namabhodlela anezingqimba.
Bese kubalwa iziteshi.Isiteshi esisodwa (L)isebenzisa isethi eyodwa yesikhunta.Isiteshi esiphindwe kabili (D)iqhuba amasethi esikhunta amabili ikhipha i-extruder eyodwa, ngakho uhlangothi olulodwa luyaphephetha ngenkathi olunye lukhipha.
| Ukucushwa | Ibanga lesiqukathi | Kuhle kakhulu | Ezohwebo |
|---|---|---|---|
| Isikhunta esinyakazayo, isiteshi esisodwa | 2–15 L | Amavolumu anesizotha, izinguquko ezivamile zomkhiqizo | Okukhiphayo okuphansi kakhulu ngomshini ngamunye |
| Isikhunta esinyakazayo, isiteshi esiphindwe kabili | 2–15 L | Amavolumu aphezulu emndenini womkhiqizo owodwa | Izindleko eziphakeme; idinga isidingo esiqinile |
| Ingalo egobile, isiteshi esisodwa | 5–30 L | Isivinini, izindonga ezinezingqimba, amathini amajeri amakhulu | Ukudweba amandla aphezulu |
| Ingalo egobile, isiteshi esiphindwe kabili | 5–30 L | Okukhiphayo okuphezulu, izendlalelo eziningi ngevolumu | Inhloko-dolobha ephezulu kanye nendawo yaphansi |
Ukulingana kwezitshalo, kuhlolwe kusenesikhathi:qinisekisa izinto ezine ngaphambi kokuthi uzibophezele - indawo yaphansi ngokumelene nendawo yomshini, ukuphakama kosilingi kwekhanda lokufa kanye nesilayishi se-hopper, amandla ezigaba ezintathu omthwalo oxhunyiwe, nomthamo wamanzi abandayo. Isisindo somshini sisuka kumathani angu-2.5 esiteshini esisodwa esingu-2 L kuya kumathani angu-28.5 esiteshini esingu-30 L esigobile sengalo ephindwe kabili, ngakho bheka nokulayisha kwakho phansi.
Abathengi base-US kufanele bengeze isheke elilodwa langaphambi kwesikhathi. Iziqukathi zokudla, okuphuzwayo, noma okuthintana naye kwezemithi ziletha izidingo zezinto ezibonakalayo ze-FDA ezilolonga inhlaka yakho nanoma iyiphi inqubomgomo ye-regrind. Imithetho yokuqukethwe okugaywe kabusha nayo iyahluka ngokwezifunda futhi ishintsha kaningi, ngakho qinisekisa imfuneko yamanje yesigaba somkhiqizo wakho ngaphambi kokukhiya imininingwane ye-resin.
Ukusebenza kokukhiqiza: ukushintsha imininingwane ibe amabhodlela ngehora
Yonke ikhathalogi iphrinta inombolo yokuphumayo. Yifunde kahle, noma uzokwethembisa ngokweqile ekuletheni.
Lezo zinombolo zibonisaumjikelezo owomile— umshini ugijima ungenalutho ngesivinini esigcwele, awukho upulasitiki, awupholisi. Zisebenzise ukuze uqhathanise imishini ngendlela efanele. Ungalokothi uzisebenzise njengesibikezelo sokukhiqiza.
Nazi izibalo zangempela zomjikelezo owomile kulo lonke uhla lwethu oluqhubekayo, nezicaciso eziziqhubayo.
| Imodeli | Isiqukathi esikhulu | Umjikelezo owomile | I-clamping | Isikulufu | Umthamo we-HDPE | Isilinganiso. amandla |
|---|---|---|---|---|---|---|
| I-KGB2L | 2 L | 600 pc/ ihora | 40 kn | 50 mm, L/D 25 | 30 kg/h | 12–18 kW |
| I-KGB2D | 2 L | 600 × 2 | 40 kn | 60 mm, L/D 25 | 55 kg/h | 12–18 kW |
| I-KGB5L | 5 L | 500 pc/ ihora | 65 kn | 60 mm, L/D 25 | 55 kg/h | 16–25 kW |
| I-KGB5D | 5 L | 500 × 2 | 65 kn | 70 mm, L/D 25 | 80kg/ihora | 16–25 kW |
| I-KGB15L | 15 L | 450 pc/ ihora | 165 kN | 75 mm, L/D 25 | 100 kg/h | 25–34 kW |
| I-KGB15D | 15 L | 450 × 2 | 165 kN | 90 mm, L/D 25 | 120 kg/h | 25–34 kW |
| KGH15L | 15 L | 500 pc/ ihora | 200 kN | 80 mm, L/D 25 | 150 kg/h | 40–50 kW |
| KGH15D | 15 L | 500 × 2 | 200 kN | 90 mm, L/D 25 | 180 kg/h | 40–50 kW |
| KGH30L | 30 L | 450 pc/ ihora | 300 kN | 90 mm, L/D 25 | 180 kg/h | 70–80 kW |
| KGH30D | 30 L | 450 × 2 | 300 kN | 100 mm, L/D 25 | 300 kg/h | 70–80 kW |
Manje izibalo eziphendula lezo zinombolo zibe uhlelo lokukhiqiza.
Imithetho emibili yenza ukuthi i-derate ithembeke. Izindonga eziwugqinsi zipholile kancane, ngakho izingxenye ezisindayo zihlehla kakhulu kunezilula. Futhi abashintshi badla amahora angakaze avele enombolweni yesikhathi somjikelezo.
Linganisa i-derate yakho ngemva kokufakwa. Qalisa umshini ungenalutho ukuze uqinisekise umjikelezo owomile, bese usebenzisa ishifu yokukhiqiza egcwele futhi uhlukanise izingxenye ezinhle ngamahora. Leso silinganiso siba yisici sakho sokuhlela, futhi sihlala siqinile uma inqubo isizinzile.
Qondanisa umugqa, hhayi umshini kuphela:usayizi wokukhipha kwakho kokubumba ngokumelene nomugqa wakho wokugcwalisa, hhayi ngokuhlukaniswa. Umshini owedlula okokugcwalisa kwakho wakha i-inventory kanye nemfuhlumfuhlu yaphansi. Phindaphinda izingcezu zakho ezihleliwe ngehora ngamahora okushintsha, uhlukanise ngamabhodlela ikesi ngalinye, futhi uhlole leyo nombolo ngekesi lakho elingezansi nomfula kanye nokuphuma kwephalethi ngaphambi kokuthenga.
Izinto zokwakha kanye nomklamo wengxenye
I-extrusion eqhubekayo isebenzisa i-PE, PP, PVC, ne-PA. I-HDPE iphethe amabhodlela amaningi kanye nejeri ingasebenza, futhi iwindi layo lokucubungula elixolelayo liyachaza ukuthi kungani libusa isigaba.
Isikulufu senza umsebenzi wangempela. I-diameter yayo nesilinganiso sobude ukuya ku-diameter ibeka ukuthi umshini uncibilika i-resin engakanani ngehora, futhi lokho kukhipha okuphumayo ngaphambi kokuba kwenziwe enye into. Imishini yethu isebenzisa izikulufu ezingama-50 kuye kwezingu-100 mm ku-L/D 25, ezinezindawo zokushisa ezi-3 kuye kwezi-5 emgqonyeni kanye nezingxenye zokushisa ezi-3 × 5 kuye kwezingu-3 × 8 ekhanda lokufa.
| Okubalulekile | Imikhiqizo ejwayelekile | Ongakubuka |
|---|---|---|
| I-HDPE | Amabhodlela okuhlanza, amathini amajeri, izimbiza zikawoyela wezimoto, ubisi | Othethelela kakhulu. Fanisa inkomba ye- melt nengxenye yesisindo - i-MFI ephansi yezingxenye ezinkulu |
| PP | Ukugcwaliswa okushisayo nokufaka izinga lokushisa eliphezulu | Iwindi lokucubungula elincane; ipholisa kancane, ngakho imijikelezo iba mude |
| I-PVC | Sula amabhodlela, ukupakishwa kwamakhemikhali okukhethekile | Izwela ukushisa. Yehlisa isithunzi uma ihlezi kushisa; hlanza ngaphambi kokumiswa noma yikuphi |
| Phinda uhlanganise izingxube | Ukwehliswa kwezindleko kuyo yonke imikhiqizo eminingi | Hlanganisa ngesilinganiso esilawulwayo; i-regrind engcolile ithwala amachashaza ekuncibilikeni |
Ingxenye yedizayini ibeka imikhawulo umshini ongeke ukwazi ukuyinqoba. Ama-undercuts ajulile alwa nokuncinza. Amakhona acijile azacisa udonga lapho isonto linwebeka kakhulu. Izibambo zidinga ububanzi obanele bekhanda le-die ukuze zakheke ngendlela ehlanzekile — amakhanda ethu asebenza ngo-90 kuya ku-220 mm kumamodeli we-die-pin eyodwa.
Letha umdwebo kumnikezeli wakho ngaphambi kokusika isikhunta. Ngokuhlangenwe nakho kwethu, izikhalazo eziningi zokuqina odongeni zibuyela emuva esinqumweni sokuklama esikhundleni sokusethwa komshini - futhi ihora emdwebeni livimbela amaviki esivivinyo nephutha.
Izendlalelo zivula izinketho eziningi. Ikhanda le-co-extrusion lengeza isikhumba esinombala, umugqa wokubuka okhanyelayo, noma umongo ogqitshiwe ogaywe kabusha - konke ngesithombe esifanayo. Imishini yethu yengalo egobile isebenzisa izendlalelo ezi-1 kuye kweziyisi-6, ezimbozwe ngokugcweleumhlahlandlela wezingqimba eziningi.
Okuzenzakalelayo, izilawuli, namandla
Isitaki sokulawula sinquma ukuthi ikhwalithi ibamba amashifu kuwo wonke. Buza noma yimuphi umphakeli ukuthi yini ehlala ngaphakathi, futhi ulindele amagama, hhayi izichasiso.
Imishini yethu isebenzisa i-Mitsubishi PLCs, i-MOOG servo control, i-Weinview HMIs, kanye ne-OMRON, Schneider, kanye nezingxenye ze-GEFRAN. Ukulawulwa kokuqina odongeni okuhleliwe kuyashintsha igebe lokufa phakathi kweshothi, okubeka okubalulekile lapho ingxenye ikudinga khona futhi ikukhiphe lapho ingakudingi khona.
Ukuze uthole ukuhlanganiswa komugqa, buza imibuzo emithathu eqondile: yiziphi izivumelwano i-PLC ezidalula kuxhumo lwe-MES noma lwe-SCADA, noma ama-alamu athunyelwa njengedatha ehlelekile, nokuthi ingabe umphakeli unikeza ukuxilonga okukude. Sihlinzeka ngokuqapha okukude kwe-IoT ukuze onjiniyela bethu bakwazi ukuhlola umshini ngesikhathi sangempela kanye nezinkinga zokuhlaba umkhosi ngaphambi kokumisa ukukhiqiza.
Amandla afanele ukuhlaziya kwawo. Imithwalo emithathu iyabusa: ukushisa komgqomo, isistimu yokushayela, nokupholisa. Ithebula elingenhla libala ukusetshenziswa okumaphakathi ngemodeli, futhi amanzi okupholisa ahamba ku-50 kuya ku-180 L/min kuye ngosayizi womshini.
Qhathanisa abahlinzeki kuleso sibalo sengxenye ngayinye, hhayi ekudwebeni kwehora. Umshini osheshayo usakaza ama-kilowatt afanayo kuwo wonke amabhodlela amaningi, okuvamise ukwenza umshini onezinga eliphezulu kube ishibhile ukuwusebenzisa.
I-Lifecycle economics: lokho umshini okubiza ngokuba ngumnikazi
Intengo yokuthenga iyinkokhelo eyodwa. Ubunikazi busebenza iminyaka eyishumi. Izinto ezinhlanu ziqhuba izindleko zemali, kanye nezindleko zokusebenza ezine zokushayela.
| Umshayeli wezindleko | Isigaba | Amanothi |
|---|---|---|
| Usayizi womshini nokubalwa kwesiteshi | Inhlokodolobha | Okuguquguqukayo okukhulu kakhulu okukodwa |
| Ukubalwa kwesendlalelo | Inhlokodolobha | Isendlalelo ngasinye sengeza inkimbinkimbi ye-extruder nekhanda |
| Isikhunta kanye nezimbotshana | Inhlokodolobha | Ivamise ukucashunwa ngokwehlukana — ibhajethi yabo |
| I-othomathikhi ephansi | Inhlokodolobha | Ukunciphisa, ukuhlola ukuvuza, ukudlulisa |
| Amandla | Isebenza | Sebenzisa umfanekiso onengxenye ngenhla |
| Umsebenzi | Isebenza | Iwa ngokucijile ngokucisha okuzenzakalelayo nokubamba |
| Khipha futhi ugaye kabusha | Isebenza | Ukuvala i-regrind loop kubuyisela i-flash osuvele uyikhokhele |
| Izipele kanye nokugcinwa | Isebenza | Isabelomali minyaka yonke; izinto ezigqokwa ngokushesha esizeni |
Yakha imodeli yakho yokukhokha ku-delta, hhayi inani. Qhathanisa umugqa omusha ngokumelene nalokho okusebenzisayo namuhla: izingxenye ngehora ezizuziwe, amahora okusebenza alondoloziwe, izinsimbi zincishisiwe, amandla ngengxenye ngayinye ashintshile. Hlukanisa izindleko zomshini nezokusebenza ngaleyo nzuzo yonyaka, futhi unesikhathi sokukhokha ngezinombolo zakho kunezomthengisi.
Izindlela zokulondoloza nokwehluleka
Isikhathi sokuphumula sivela kushejuli, hhayi ngenhlanhla. Hlela izigaba ezintathu zomsebenzi.
| Isikhawu | Imisebenzi |
|---|---|
| Nsuku zonke | Hlola ama-heaters namazinga okushisa; susa indawo yokukhosela; qinisekisa ukugeleza kwamanzi okupholisa kanye nokucindezela |
| Maviki onke | Hlola ubuso obubambayo futhi uthole izikhonkwane; hlola i-servo kanye nezingcindezi ze-hydraulic; buyekeza izinga le-scrap for drift |
| Ngekota | Qalisa ukuxilongwa kokusebenza; hlola uhlelo lokuthambisa; linganisa izingxenye ezibalulekile |
| Minyaka yonke | Hlola ukuguga kwesikulufu nemiphongolo; isevisi yekhanda lokufa; buyekeza uhlu oluphelele lwezingxenye ezisele |
Izindlela zokwehluleka ezivamile zilandela amaphethini: imiphetho yokuncinza egugile yenza buthaka okokushisela okuyisisekelo, izindawo zeheater ezikhukhulekayo zishintsha ukusatshalaliswa kodonga, kanye nobuso obufiphele obubambayo buvumela ukukhanya kuvele. Ngamunye ubonakala njengesici engxenyeni yokuqala.
Ukuqeqeshwa komsebenzisi kubuyisela ngokushesha kunanoma iyiphi ingxenye eyisipele. Qinisekisa ukuthi umphakeli wakho ufaka ini, futhi uqinisekise ukuthi ukufakwa kuhlanganisa ukugada komshini nezinqubo zokuvala ngaphandle ezimfuneko zokuphepha zasendaweni yakho - e-US, lokho kusho ukuthi ukuthobela kwe-OSHA kusayinwe ngaphambi kokuthi ulayini uqalise ukukhiqiza.
Buza ngewaranti ngokubhala:eyethu isebenza unyaka owodwa kuwo wonke umshini kusukela ekufikeni efekthri yakho, enezici eziyinhloko ezifana nesilawuli sokuqina kodonga se-MOOG nama-servo motors afinyelela eminyakeni emibili. Buza noma yimuphi umphakeli ukuthi iwaranti yakhe ihlanganisani, yini engafaki, nokuthi izingxenye ezisele zifika ngokushesha kangakanani ezweni lakini.
Ukukhetha ukumisa kwakho
Sebenza ngale ndlela: umthamo wesitsha nezinto ezibonakalayo zinciphisa isigaba somshini, umthamo wonyaka unquma isiteshi esisodwa noma esiphindwe kabili, futhi izidingo zongqimba zinquma ingalo enyakazayo noma egobile. Ama-Cavities abe esekala okukhiphayo kusibikezelo sakho.
Eyethuisiqondiso sokukhetha esinezinyathelo ezinhlanuuhamba leyo ndlela yokulinganisa ngokuningiliziwe. Eziqukathi ezingaphezu kwamalitha angama-30, isonto likhula lisinda kakhulu ukuthi lingaqhunyiswa ngokuqhubekayo, futhi isinqumo sidlulela emishinini yokuqoqa - embozwei-accumulator vs ukuqhathanisa okuqhubekayo.
Imibuzo ejwayelekile ukubuzwa
Uyini umshini wokubumba oqhubekayo?
Umshini wokubumba oqhubekayo ukhipha ishubhu lepulasitiki elincibilikisiwe elingami, elibizwa ngokuthi i-parison, kuyilapho isikhunta esisodwa noma ezimbili zingena ukuze zilibambe, zivale, futhi zivuthele ingxenye. I-extruder ayipheli. Lokhu kufanelana neziqukathi ezincane nezimaphakathi ku-HDPE, PP, kanye ne-PVC - amabhodlela, amathini amajeri, nokupakishwa kwamafutha. Izingxenye ezinkulu zisebenzisa imishini ye-accumulator esikhundleni, ngoba i-parison esindayo elengayo inwebeka ngaphambi kokuba isikhunta sivalwe.
Ngiwabala kanjani amabhodlela ngehora kusukela esikhathini somjikelezo nezimbotshana?
Phindaphinda imijikelezo ngehora ngemigodi ngekhanda ngalinye ngesibalo sesiteshi. Umshini olinganiselwe emijikelezweni eyomile engu-600 ngehora enekhanda le-2-cavity esiteshini esiphindwe kabili ufinyelela izingcezu ezingu-2,400 ngehora ngokombono. Bese usebenzisa i-derate engokoqobo yokupholisa, ukuphatha, nokushintsha, ngoba izilinganiso zekhathalogi zibonisa umshini wokuhamba ngebhayisikili ungenalutho. Amandla wokuhlela enombolweni encishisiwe.
Yiziphi izinto ezisebenza emshinini wokubumba oqhubekayo?
I-HDPE, i-PP, i-PVC, ne-PA isebenza kahle emishinini yokubumba ye-extrusion eqhubekayo. I-HDPE ibusa ukukhiqizwa kwebhodlela kanye nejeri. Qondanisa isikulufu nokokusebenza: amabanga aqinile adinga umthamo owengeziwe wokuncibilika, yingakho i-screw diameter nesilinganiso sobude ukuya kudiameter kubalulekile. Sula amabhodlela esiphuzo se-PET asebenzisa inqubo ehlukile - ukubumba komjovo wokudonsa umjovo - kanye nemishini ehlukile.
Angakanani amandla asetshenziswa umshini wokubumba oqhubekayo?
Izikali zokusetshenziswa kwamandla ezimaphakathi ezinosayizi womshini. Imishini yeKinggle eqhubekayo inamandla angu-12 kuya ku-18 kW ekilasini elingu-2 L, 16 kuya ku-25 kW ekilasini elingu-5 L, 25 kuya ku-34 kW ekilasini elingu-15 L, kanye nezinhlobo zezingalo ezigobe kakhulu ezingu-40 kuya ku-80 kW. Qhathanisa abahlinzeki bamandla ngengxenye ngayinye eqediwe kunehora ngalinye, njengoba umshini osheshayo usakaza umdwebo ofanayo kuzo zonke izingcezu eziningi.
Yikuphi ukulungiswa okudingeka ulayini wokubumba oqhubekayo?
Hlela umsebenzi wansuku zonke, wamasonto onke, nowekota. Nsuku zonke: hlola izifudumezi zekhanda, sula indawo yokuncisha, qinisekisa ukugeleza kwamanzi okupholisa. Maviki onke: hlola izindawo ezibambayo kanye nezingcindezi ze-hydraulic noma ze-servo. Ngekota: sebenzisa ukuxilonga ukusebenza, hlola isistimu yokuthambisa, futhi ulinganise izingxenye ezibalulekile. Gcina izipele ezigqokwa ngokushesha esizeni, njengoba ingxenye engekho ibiza kakhulu ngesikhathi sokuphumula kune-inventory.
Isinyathelo esilandelayo sincike lapho ukhona
Thumela imininingwane yesiqukathi sakho - ivolumu, impahla, ukujiya kodonga, okukhiphayo okuqondiwe - futhi onjiniyela bethu bazophendula ngendlela elungile yesiteji sakho:
- Uzama umkhiqizo omusha?Sizoncoma ukulungiselelwa kokuqala futhi siqhube ingxenye yakho esivivinyweni sesampula.
- Yengeza umthamo?Sizokwakha izibalo zokukhipha ngokumelene nomugqa wakho wokugcwalisa futhi sicaphune imodeli efanayo.
- Ukushintsha umshini wokuguga?Sizoqhathanisa amandla ingxenye ngayinye bese silahla umugqa wakho wamanje, ukuze imbuyiselo ivela ezinombolweni zakho.
Yonke ikhotheshini isho imodeli, izingxenye, imigomo yokuhweba, nesikhathi sokuhola - amamodeli ajwayelekile asebenza izinsuku ezingama-30 kuye kwezingama-40, ngokwezifiso zakhela izinsuku ezingama-60 kuye kweziyi-120. Phequlula i-uhla olugcwele lomshini oqhubekayongenkathi uqoqa izinombolo zakho.
Cela ukucushwa kanye nekhotheshini →Umshini wokubumba oqhubekayo uzuza indawo yawo ngesigqi - i-extruder engayeki, isikhunta esihlala sinjalo, kanye nomugqa osayizi wesigcwali sakho. Thola ukucushwa, ukubalwa komgodi, kanye ne-derate kwesokudla, kanye nezibalo eziphumayo ezibambe iqhaza ekukhiqizweni. Bona amamodeli kanye nokucaciswa ku-uhla lomshini wokubumba oqhubekayo.
