Ani-i-i-i-extruder umphanda wokujijayintliziyo ye-plastic extruder - isikrufu esijikelezayo ngaphakathi kwebhere eshushu enyibilikisa iplastiki kwaye iyimpompa phambili ngoxinzelelo oluzinzileyo. Ukukhetha okulungileyo kwehlela kwizinto ezintathu: iuhlobo(isikrufu esinye, isikrufu samawele, i-conical okanye i-parallel), iimpahlakufuneka iqhube (ebeka umphezulu - i-nitrided ye-resins ecocekileyo, i-bimetallic ye-abrasive okanye eyonakalisayo), kwaye injaniicacisiwe kwaye yakhiwe. Fumana ezo zilungile kwaye ziqhuba iminyaka. Esi sikhokelo sihamba kuzo zontathu.
Nantoni na oyikhuphayo - umbhobho, iprofayili, ifilimu, iphepha, i-compound, okanye iipelleti-i-i-i-extruder umphanda wokujijayinxalenye eyenza owona msebenzi. Ikwayinxalenye enxibayo, kwaye yeyona inokuthi ithathe isigqibo malunga nokuba umgca wakho ucocekile kwaye ucocekile okanye uyakulwa kumgangatho kunye nexesha lokuphumla. Esi sikhokelo sitsala umbandela wonke kunye: yintoni i-screw barrel, iintlobo, izixhobo, indlela yokutshatisa enye kwimathiriyeli yakho, kunye nendlela yokuchaza ukutshintshwa okuhlala. Siye sakha izikrufu kunye nemigqomo ngaphezulu kweminyaka engama-20, ke siya kuyigcina ithe tye kwaye iyasebenza, kwaye sikukhomba kwizikhokelo ezinzulu apho uzifuna khona.
Yintoni i-Extruder Screw Barrel?
Ani-i-i-i-extruder umphanda wokujijayindibano engundoqo ye-extruder yeplastiki: isikrufu esenziwe ngokuchanekileyo esijika ngaphakathi kumbhobho wecylindrical oshushu. Iplastiki eqinile - iipelisi okanye umgubo - ungena ekupheleni kokutya. Njengoko i-screw ijikeleza, ubushushu obusuka kumbhobho kunye nokucheba kwi-screw kunyibilikisa izinto, kwaye ijiyometri ejijwayo iyayihambisa kwaye iyicinezele, ityhala iyunifomu inyibilike ngaphandle kwidayiti ekugqibeleni.
I-screw kunye ne-barrel zimbini ezihambelanayo, kungekhona iindawo ezimbini ezahlukeneyo. Ukucocwa okuncinci phakathi kweenqwelomoya ezijijwayo kunye nombhobho yinto elawula ukuphuma kunye nomgangatho wokunyibilika - vula loo mvume ngokunxiba kwaye umatshini uphulukana nazo zombini. Yiyo loo nto ezi zimbini ziyilwe, zakhiwe, kwaye zatshintshwa kunye, kwaye kutheni i-screw barrel ihlala embindini wayo nayiphi na inkqubo yokukhupha okanye yokutofa.
Indlela iScrew Barel esebenza ngayo
Uninzi lwezikrufu ze-extruder zenza umsebenzi wazo kwiindawo ezintathu kunye nobude be-screw. Iindawo yokutyaithatha imathiriyeli eyomeleleyo kwaye iqalise ukuyihambisa phambili. Iindawo yoxinzelelo— apho ijelo elijijwayo liba nzulu kakhulu — liyadityaniswa kwaye linyibilikise iplastiki ngobushushu kunye nokuchetywa. Iindawo yokulinganisa iimithaemva koko impompe iplastiki enyibilikisiweyo ukuya phambili ngoxinzelelo oluzinzileyo, olulawulwayo, olulungele ukufa.
Ubushushu buvela kwiindawo ezimbini: izifudumezi zemiphanda kunye nokucheba ngoomatshini beskrufu esisebenza ngepolima. Ukulinganisa kakuhle kunye nezinto eziphathekayo zeplastiki ngokulinganayo ngaphandle kokushisa. Yonke le nto isebenza kuphela ngenxa yokukhutshwa kwe-screw-to-barrel ekufutshane- yeyona nto imisa ukunyibilika ukutyibilika ngasemva kwiinqwelomoya. Yakha unyamezelo kunye nokuqina komphezulu gcina olo coceko luqinile ngokuhamba kwexesha, yiyo loo nto kanye ukukhetha izinto eziphathekayo kunye nomgangatho wokwenza izinto zibaluleke kakhulu njengoyilo lwesikrufu.
Ngokungqonge umphanda hlala iibhanti zezifudumezi ezidityaniswe ngokwezowuni, nganye ibanjwe kwiqondo lobushushu elimiselweyo, kunye nokupholisa esandleni ukuze inyibiliko ingatshisi ngokugqithisileyo. Ekugqibeleni, idayi inika inyibilika imilo yayo yokugqibela. Umsebenzi wendibano kukunika abo bafayo banyibilike ngendlela efanayo kwiqondo lobushushu kunye noxinzelelo - kuba nakuphi na ukuguquguquka komlambo kubonisa njengesiphene kwimveliso esezantsi.
Iintlobo ze-Extruder Screw Barrel
"I-screw barrel" igubungela oomatshini abaninzi abahlukeneyo. Eyona ilungileyo ixhomekeke ekubeni inkqubo yakho kufunekaimpompoimpahla okanyexubayona.
I-Screw enye
A isikrufu esinyeibaleka ishafu enye kwibhore engqukuva. Ihambisa kunye nokumpompa kakuhle kakhulu, nto leyo eyenza ukuba ibe lihashe elinoqoqosho lokukhupha umthamo omkhulu wento enye engaguqukiyo - umbhobho, iprofayili, ishidi, ifilimu, kunye nocingo. Into engayenziyo kukuxuba okunzulu.
I-Twin Screw
I-twin screw yenza iishafti ezimbini ezidibeneyo kumzobo wesibhozo. Loo meshing yeyona ngongoma: inika ukuxubana okunzulu, ukuhanjiswa okuqinisekileyo, kunye nolawulo oluluqilima ngaphezulu kokucheba kunye nexesha lokuhlala, yiyo loo nto izikrufu ezingamawele zibamba ukudibanisa, i-masterbatch, i-extrusion esebenzayo, kunye nezixhobo ezinzima okanye ezigcweleyo. Ukuba ulinganisa ezi zimbini, isikhokelo sethuIsikrufu esinye vs izikrufu zamaweleingena nzulu kurhwebo.
I-Parallel vs Conical Twin Screw
Izikrufu zamawele zahlulwa kwakhona ngokwemilo. Ai-i-i-parallel twin screwigcina i-diameter engaguqukiyo kwaye isebenzisa imodyuli,izinto ezinokuphinda ziqwalaselwe - ukhetho oluguquguqukayo lokudibanisa kunye nemveliso ephezulu. AI-I-I-conical twin screwtapers ukusuka ekupheleni feed ebanzi ukuya kukhutshelwa emxinwa, enika umqala ifidi enkulu kunye torque eliphezulu ngesantya esiphantsi - umatshini classic for engqongqo PVC umbhobho kunye profile. Sizithelekisa ngokweenkcukacha kwiconical vs parallel twin screw extruders.I-Twin screws nayo i-co-roating (i-best mixing) okanye i-counter-rotation (uxinzelelo oluphezulu, oluqhelekileyo kwi-PVC).
I-Injection Molding Screw Barel
Anisikrufu sokubumba umphandaisebenza kumgaqo ofanayo wokunyibilika kunye nokuhambisa kodwa yakhelwe umjikelo ophindaphindayo womatshini wokutofa endaweni yokukhupha ngokuqhubekayo. Umphezulu kunye nengqiqo yezinto ezingezantsi zisebenza kuyo ngokufanayo.
Ngokukrwaqula, nantsi indlela ezona ntlobo ziphambili ezidibana ngayo:
| Uhlobo | Eyona nto ingcono | Ukuxuba | Iimveliso eziqhelekileyo |
|---|---|---|---|
| Isikrufu esinye | I-extrusion ephezulu yevolumu yempahla enye | Phantsi | Umbhobho, iprofayili, iphepha, ifilimu |
| iwele elinxuseneyo | Ukudibanisa, imveliso ephezulu, ukuguquguquka | Phezulu | Iikhompawundi, masterbatch, iipellets |
| iwele leConical | Umbhobho obambeneyo wePVC kunye neprofayile | Phezulu | Umbhobho we-UPVC, iprofayili, iWPC |
| Isikrufu sokutofa | Umjikelo wokubumba isitofu | Iyahluka | Amalungu abunjiweyo |
Apho i-Extruder Screw Barrels isetyenziswa khona
Elona candelo liphambili libonisa kulo lonke ishishini leplastiki, elungiselelwe umsebenzi okhoyo. Kwimibhobho kunye nemigca yeprofayili ibumba i-PVC, i-PE, kunye ne-PPR. Kwifilimu kunye neshiti ityisa idiyiti eyenza ukupakishwa kunye nebhodi. Ekudibaniseni idibanisa iipolymers kunye nezihluzi, ii-pigments, kunye nezongezo kwiipellets, kwaye iqhuba imveliso ye-masterbatch nayo. Iqhuba imigca yokurisayikilisha ephinda iphinda isebenzise i-scrap kunye ne-regrind, intambo kunye nocingo lokugquma, kunye nemigqomo ephindaphindayo ngaphakathi koomatshini bokubumba inaliti. Naphi na apho iplastiki inyibilika khona kwaye imile, isikrufu kunye nomphanda ziyanyibilika. Yintoni etshintshayo ukusuka kwelinye ishishini ukuya kwelinye luhlobo, umphezulu, kunye nejometri - yiyo loo nto i-spec enenkathalo ibaluleke ngaphezu kwenombolo yekhathalogu.
Izixhobo ze-Screw Barel kunye noNyango lwangaphandle
Umgqomo ojijwayo uhlala kwindawo yokohlwaya-ubushushu, uxinzelelo, ukukhuhlana, kunye nezinto ezihlala ziboyikisayo okanye ezidlayo. Isiseko sentsimbi sisinika amandla; unyango olungaphezulu lunika ukuguga kunye nokumelana nomhlwa. Imiphezulu emibini ilawula.
Isiseko sentsimbi kunye neNitriding
Isiseko eqhelekileyo yintsimbi nitriding ezifana38CrMoAlA. I-nitriding yegesi iqinisa i-case ebhityileyo kumphezulu, inika ukuxhathisa okulungileyo kokucoceka, ii-resin ezingazaliswanga njenge-PE, PP, kunye ne-ABS ngexabiso elivakalayo. I-nitridedumphanda wokujijalukhetho olunoqoqosho, oluthembekileyo xa i-material ingonakalisi okanye idleka.
Bimetallic
Ngomsebenzi otyumkileyo okanye otshabalalisayo, i-bimetallic barrel idibanisa i-alloy layer enzima kakhulu, engqindilili ngaphakathi kwe-bore - i-nickel-based for corrosion, i-tungsten-carbide-rich for abrasion - phezu kwesiseko sentsimbi eqinile. Ibiza ngaphezulu, kodwa ihlala ixesha elide apho umphezulu we-nitrided unokuhamba. Kwimigqomo yethu ye-bimetallic sithatha ibhore ukuya malunga ne-62 HRC, apho iivenkile ezininzi zimisa ku-58. Uthelekiso olupheleleyo lukwisikhokelo sethui-bimetallic vs imiphanda ye-nitrided screw.
Isikruru siyanyangwa Naso
Ukuqina komphezulu ayingomsebenzi womphanda kuphela. Kunye ne-nitriding, iinqwelo-moya ezijijwayo zihlala zinobuso obuqinileyo-i-alloy engagugiyo edityaniswe kwindawo yokubhabha, eyona ndawo iphakamileyo yokunxiba kwisikrufu - ngoko ke isikrufu sihlala sihamba nebhore. Ukuba i-screw kunye ne-barrel inxiba ngemilinganiselo eyahlukeneyo, i-clearance iyahamba kwaye umgangatho uphazamiseka, ngoko ke ezi zimbini ziqiniswe ukusebenza kwaye zinxibe njengezibini ezihambelanayo, kungekhona njengamalungu ahlukeneyo.
Ukuthelekisa i-Screw Barrel kwizinto zakho
Apha kulapho uninzi lwezigqibo ze-screw-barrel ziphumelela okanye zilahlekile. Izinto ozisebenzisayo ziseta umphezulu owufunayo - hayi enye indlela. Imephu ekhawulezayo:
| Izinto eziphathekayo | Isoyikiso esiphambili kumgqomo | Umphezulu ocetyiswayo |
|---|---|---|
| Coca i-PE / PP / ABS | Ukunxiba okuthambileyo | Nitrided |
| I-PVC eqinile | Umhlwa + ukurhawuka okuthile | I-Bimetallic (esekelwe kwi-nickel) |
| Iglasi-igcwaliswe / izimbiwa | I-abrasion enzima | I-Bimetallic (i-carbide-rich) |
| I-WPC (inkuni + isihluzi) | Ukurhawuka okumandundu (+ umhlwa ukuba usekwe kwiPVC) | I-Bimetallic (i-carbide-rich) |
| Isondlo esenziwe ngokutsha / esosulelekileyo | I-Abrasion + engaziwayo | Bimetallic |
Izixhobo ezibini zifanelwe yincwadi yazo yokudlala.I-I-PVCInomhlwa kuba ikhupha i-hydrochloric acid njengoko isebenza, ngoko ke idinga umphezulu we-bimetallic onganyangekiyo.WPCyenye yezona zinto zixhaphakileyo kwi-extrusion, ngenxa yomthi kunye ne-mineral filler, ngoko ke idinga umaleko we-alloy onzima kakhulu ongayifaka kwi-bore. Cacisa umphezulu wemathiriyeli, ngalo lonke ixesha.
Iimpawu eziphambili: I-Diameter, L / D kunye neCompression
Ngaphandle kohlobo kunye nomphezulu, iinkcukacha ezimbalwa zibumba indlela i-screw barrel eyenza ngayo. Awudingi ukuba ngumyili we-screw ukuze ufumane enye, kodwa kuyanceda ukwazi ukuba bathetha ukuthini.
- Ububanzi-ubungakanani kumatshini wakho kunye nesiphumo esijolise kuko. Izikrufu kunye nemigqomo zenziwe kuluhlu olubanzi lweediameters ukuze zilungele yonke into ukusuka kwimigca yeprofayile encinci ukuya kwi-extruders enkulu.
- Umlinganiselo we-L/D- ubude be-screw buhlulwe ngobubanzi baso. I-L / D ende inika ixesha elingakumbi lokunyibilika kunye nokuxuba; enye emfutshane ixinene ngakumbi. Ixabiso elifanelekileyo lixhomekeke kwizinto eziphathekayo kunye nenkqubo.
- Umlinganiselo woxinzelelo— itshaneli yesikrufu ingakanani nzulu ukusuka kwifidi ukuya kwimitha. Uxinzelelo oluphezulu lusebenza ezinye izinto ezinzima; iipolima ezingeva bubushushu njengePVC zithanda umlinganiselo othambileyo.
Ezi zisetelwe kwizinto ezibonakalayo kunye nomsebenzi, yiyo loo nto kanye umphanda owenziweyo ubetha igeneric. Nika umenzi wakho umatshini, imathiriyeli, kunye nesiphumo, kwaye ijometri ilandela ukusuka apho.
Iingxaki eziqhelekileyo kunye nento abakhomba kuyo
Xa umgca ukhukuliseka ngaphandle kwe-spec, umzila uhlala ukhokelela emva kwi-screw kunye ne-barrel. Uxilongo olukhawulezayo:
- Isiphumo esiwa ngesantya esifana nesijija- i-clean egugileyo, uphawu lokuqala lokuqala.
- Ukunyuka okanye uxinzelelo olungazinzanga- ukunxitywa, okanye ukutya okanye umba wobushushu.
- Amachaphaza amnyama kunye nokuthotywa- izinto ezihlala kwizithuba ezigugileyo okanye zihleli kwindawo edlekileyo.
- Ukuxuba okungalunganga okanye izinto ezinganyibilikiyo— isikrufu esingalunganga somsebenzi, okanye isikrufu esigugileyo.
- Ukugqobhoza kwi-screw okanye ibhore- i-corrosion, ngokuqhelekileyo indawo engafanelekanga yezinto eziphathekayo.
Naluphi na uphawu lunokuba nezizathu ezininzi, kodwa ezimbini okanye ezintathu zidibene phantse zihlala zikhomba kumbhobho ogugileyo okanye ochazwe ngendlela engalunganga. Ukulinganisa ukunxitywa kukuxelela ukuba yeyiphi - kwaye ingaba ukulungiswa kukulungisa okanye ukutshintshwa.
Ukunxiba, uLondolozo kunye noTshintsho
Yonke i-barrel screw inxiba ekugqibeleni - ekuphela kombuzo kukuba ukhawuleza kangakanani, kwaye oko kuxhomekeke kwizinto kunye nendlela umatshini oqhutywa ngayo. Isinxibo sibonakala njengemveliso ewayo ngesantya esifanayo se-screw, ukunyuka, ukuxubana okungalunganga, amachaphaza amnyama, okanye ukunyuka kweqondo lobushushu lokunyibilika. Unobangela kukususwa phakathi kwesikrufu kunye nomgqomo ovula ukunyamezela okudlulileyo.
Xa ubona ezo mpawu, linganisa phambi kokuba wenze: i-screw flight diameter, i-barrel bore, kunye nokukhutshwa kweradial ngokuchasene ne-spec yasekuqaleni. Ngamanye amaxesha isikrufu sinokwakhiwa kwakhona ngelixa umphanda usalungile; emva kokuba ibhore ligqithise ukunyamezela, ukutshintshwa ngokuqhelekileyo kukulungiswa kwezoqoqosho. Isikhokelo sethu kunini ukubuyisela ibhere yesikrufu esigugileyouhamba ngokulinganisa ukuguga kunye nokwenza isigqibo sokulungisa ngokuchasene nokubuyisela. Imikhwa embalwa yolula ubomi benkonzo: thelekisa umphezulu kunye nezinto, gcina ungcoliseko ngaphandle kwesondlo, ubambe amaqondo obushushu kuluhlu, kunye nokufundwa kwemvume yokungena kwinkonzo nganye.
Indlela yokukhetha kwaye uchaze i-Extruder Screw Barrel
Ukuyitsala kunye, ukukhetha i-screw barrel zizigqibo ezithathu ngokulandelelana kwazo:uhlobo, ngokoumphezulu, ngokoiinkcukacha. Sebenza ngazo kwaye awuzukuhamba kakubi.
- Uhlobo— ingaba inkqubo yakho impompa imathiriyeli enye (isikrufu esinye) okanye idibanise kwaye idibanise (isikrufu samawele)? I-PVC edibeneyo okanye amanqaku omsebenzi weprofayili kwi-conical; imveliso ephezulu kunye nenqaku lokuguquguquka ukuhambelana.
- Umphezulu- i-nitrided ye-resins ecocekileyo, i-bimetallic yezinto ezinqabileyo okanye ezinqabileyo. Xa uthandabuza kwimathiriyeli egcweleyo okanye yePVC, yiya kwi-bimetallic.
- Inkcazo-Ububanzi, i-L / D, kunye noxinzelelo oluhambelana nomatshini wakho, imathiriyeli, kunye nemveliso.
Ukufumana isicatshulwa esichanekileyo kunye ne-barrel ewela ngqo kuyo, nikeza umenzi wakho umatshini ukwenza kunye nemodeli, i-screw diameter kunye ne-L / D (okanye umzobo wokuqala), izinto kunye nomthwalo wokuzalisa, kunye nesiphumo esijoliswe kuyo. Akukho mzobo? Isampulu egugileyo yanele ukubuyisela umva-injineli endaweni echanekileyo - okanye ephuculweyo enomgangatho owomeleleyo kunenxalenye oyithathayo.
Kutheni usebenza noNanhaiya
Sichithe ngaphezulu kweminyaka engamashumi amabini sisakha izikrufu ze-extruder kunye nemigqomo yalo lonke uhlobo -isikrufu esinye, i-i-i-parallel twin screw, I-I-I-conical twin screw, kwayeisitofu sokubumba- kwi-38CrMoAlA insimbi ene-nitrided kunye ne-bimetallic alloys, enobunzima be-bimetallic bore ukuya kwi-62 HRC, ulawulo lokunyamezela, kunye novavanyo oluguqukayo lwebhalansi kwiseti nganye. Ngabathengi abangaphezu kwama-500 kunye neminyaka engamashumi amabini yamava, sakha izinto ezitshintshiweyo ezihambelana neempawu ezinkulu ezifana neKraussMaffei, iCincinnati, kunye neJwell, esebenza kwimodeli yomatshini wakho, umzobo, okanye isampuli. Sixelele imathiriyeli yakho, umatshini, kunye nemveliso, kwaye uya kuba nengcebiso elungiselelweyo kunye nesicatshulwa kwiiyure ezilishumi elinambini.
Ngaba ufuna i-barrel ye-screw elungileyo, okanye indawo yomgca wakho? Thumela umatshini wakho, imathiriyeli, kunye nemveliso - fumana iingcebiso kunye nesicatshulwa kwiiyure ezili-12.
Fumana iQuoteImibuzo ebuzwa qho
Yintoni i-extruder screw barrel?
Yeyona ndawo isebenzayo yeplasitiki extruder - isikrufu esijikelezayo ngaphakathi kumbhobho oshushu. Kuthatha iplastiki eyomeleleyo kwelinye icala, iyinyibilikise ngobushushu kunye nokucheba, kwaye iimpompo zeyunifomu zinyibilike kwelinye icala ngoxinzelelo oluzinzileyo. I-screw kunye ne-barrel isebenza njengesibini esihambelanayo, kwaye ucoceko oluncinci phakathi kwabo lulawula ukuphuma kunye nomgangatho.
Yenziwe ngantoni i-extruder screw barrel?
Isiseko sivame ukuba yintsimbi ye-nitriding efana ne-38CrMoAlA, iqiniswe yi-nitriding yegesi kwii-resin ezicocekileyo. Kwizinto ezirhabaxa okanye ezidlekayo ziyi-bimetallic - i-alloy eqinile, enxibayo kunye ne-corrosion-resistant-resistant alloy layer edityaniswe ngaphakathi kwibhore phezu kwesiseko sentsimbi eqinile. Umphezulu ukhethwa kwizinto oziqhubayo.
Zeziphi iintlobo eziphambili ze-screw barrel?
Isikrufu esinye kunye nesikrufu samawele. I-twin screw yahlulahlulwe ngokunxuseneyo kunye ne-conical, kwaye ibe yinto ejikelezayo kunye ne-counter-rotation, kunye nemigqomo ye-screw yokubumba inaliti. Ipompo ye-screws enye ye-high-volume extrusion; i-twin screws mix kunye ne-compound; amawele conical suit PVC compact kunye nemigca yeprofayile.
Ingaba i-extruder screw barrel ihlala ixesha elingakanani?
Olondolozwe kakuhle ludla ngokuhlala phakathi kweminyaka emi-3 neli-10. Kuxhomekeke kwizinto eziphathekayo, unyango oluphezulu, iimeko zokusebenza, kunye nokugcinwa - izinto ezinqabileyo kunye ne-corrosive ziyanciphisa, ii-resin ezicocekileyo kunye ne-bimetallic surface ziyandisa.
Ndingayikhetha njani eyona ilungileyo?
Amanyathelo amathathu: khetha uhlobo olufuna inkqubo yakho, khetha umphezulu wemathiriyeli yakho, emva koko utshatise idiameter, L/D, kunye noxinzelelo lomsebenzi. Nika umenzi imodeli yomatshini wakho, imathiriyeli, kunye nesiphumo - umzobo okanye isampulu iyenza ichaneke.
Ngaba ungenza indawo yayo nayiphi na ibhrendi yomatshini?
Ewe. Sakha izikrufu zokutshintsha kunye nemigqomo elingana neempawu ezinkulu ze-extruder kunye nenaliti - i-KraussMaffei, iCincinnati, i-Jwell - ukusuka kwimodeli yomatshini wakho, umzobo, okanye isampuli. Thumela iinkcukacha zekowuti kwiiyure ezili-12.
