Anextruder screw barrelndiwo mwoyo weplastic extruder - siruu inotenderedzwa mukati medhiramu rinopisa rinonyungudusa purasitiki nekuripomba kumberi nekumanikidzika. Kusarudza chakarurama chinodzika kuzvinhu zvitatu: thetype(sikuuru imwe, twin screw, conical kana parallel), thezvinhuinofanirwa kumhanya (iyo inoseta pamusoro - ine nitrided yekuchenesa resin, bimetallic yeabrasive kana inoora), uye kuti yakadini.yakatsanangurwa uye yakagadzirwa. Tora izvo izvo uye zvinomhanya kwemakore. Gwaro iri rinofamba nemumatatu ese.
Chero chipi chaunoburitsa - pombi, chimiro, firimu, shizha, komputa, kana pellets - iyoextruder screw barrelchikamu chiri kuita basa chairo. Icho zvakare chikamu chinopfeka, uye icho chinowanzo funga kuti mutsara wako unofamba wakachena uye mune spec kana kurwa newe pamhando uye nguva yekudzikira. Iri gwara rinokwevera chidzidzo chose pamwechete: chii chinonzi screw barrel, mhando, zvigadzirwa, maitiro ekufananidza chimwe kune chako chinhu, uye maitiro ekutsanangura chinotsiva chinogara. Isu takavaka screws nemadhiramu kweanopfuura makore makumi maviri, saka isu tinoichengeta yakatwasuka uye inoshanda, uye tinonongedzera kune akadzama madhairekitori paunoda iwo.
Chii chinonzi Extruder Screw Barrel?
Anextruder screw barrelndiyo musimboti gungano repurasitiki extruder: a kunyatso machined sikururu kutenderedza mukati inopisa cylindrical barrel. Purasitiki yakasimba - pellets kana poda - inopinda pakupera kwekudya. Sezvo screw inotenderera, kupisa kubva mudhiramu uye kugera kubva ku screw inonyungudutsa zvinhu, uye screw geometry inotakura nekuidzvanya, ichisundira yunifomu inonyungudika kunze kuburikidza nekufa kumagumo.
Iyo screw uye dhiramu inoenderana peya, kwete zvikamu zviviri zvakasiyana. Iyo diki clearance pakati pescrew ndege nebarrel bore ndiyo inodzora kubuda uye kunyungudika mhando - vhura iyo clearance kuburikidza nekupfeka uye muchina unorasikirwa zvese. Ndokusaka maviri akagadzirwa, akavakwa, uye akatsiviwa pamwechete, uye nei screw barrel inogara pakati pechero extrusion kana jekiseni maitiro.
Mashandiro anoita Screw Barrel
Mazhinji extruder screws anoita basa rawo munzvimbo nhatu padivi pehurefu hwe screw. Thefeed zoneinotora zvinhu zvakasimba uye inotanga kuiendesa mberi. Thecompression zone- apo screw channel inodzika zvishoma - inobatana uye inonyungudutsa plastiki kuburikidza nekupisa nekugera. Themetering zoneipapo inopomba purasitiki yakanyungudutswa ichienda mberi pamwero wakatsiga, unodzorwa, wakagadzirira kufa.
Kupisa kunobva kunzvimbo mbiri: mbiya heaters uye mechanic shear ye screw inoshanda iyo polymer. Vaenzanise zvakanaka uye zvinhu zveplasticizes zvakaenzana pasina kupisa. Chinhu chose chinoshanda chete nekuda kweiyo yepedyo screw-to-barrel clearance - ndiyo inomisa kunyunguduka kutsvedza kumashure pamusoro pendege. Vaka kushivirira uye kuomarara kwepasi chengetedza iyo clearance yakasimba nekufamba kwenguva, ndosaka sarudzo yezvinhu uye yekugadzira mhando yakakosha senge screw design.
Kutenderedza dhiramu sit heater mabhandi akaiswa muzvikamu, imwe neimwe yakabatwa kune yakatarwa tembiricha, ine kutonhora paruoko kuitira kuti kunyungudika kusazopisa. Kumagumo, kufa kunopa kunyungudika chimiro chayo chekupedzisira. Basa regungano nderekupa iyo inofa yakanyungudika inofanana mukupisa uye kudzvanywa - nekuti chero shanduko kumusoro kwerwizi inoratidza sehurema muchigadzirwa zasi kwerwizi.
Mhando dzeExtruder Screw Barrel
"Screw barrel" inovhara michina yakawanda yakasiyana. Iyo chaiyo inoenderana nekuti yako process inodapombichinhu kanamixit.
Single Screw
A siruuru imweinomhanyisa shaft imwe mubhora rakatenderera. Inotakura uye inopomba zvakanyanyisa, izvo zvinoita kuti ive yehupfumi yekushanda kwepamusoro-vhoriyamu extrusion yechinhu chimwe chinowirirana - pombi, chimiro, pepa, firimu, uye waya yekupotera. Izvo zvisingaite kusanganisa kwakasimba.
Twin Screw
A twin screw inomhanyisa mashaft maviri anopindirana mumufananidzo-sere bore. Iyo meshing ndiyo poindi: inopa kusanganisa kwakasimba, kufambisa kwakanaka, uye kudzora kwakasimba pamusoro pekugera uye nguva yekugara, ndosaka mapatya screws achibata kusanganisa, masterbatch, reactive extrusion, uye zvakaoma kana kuzadza zvinhu. Kana iwe uchiyera iwo maviri, gwara redu kunesiruuru imwe vs twin screw extrudersinoenda pakadzika pakutengeserana.
Parallel vs Conical Twin Screw
Twin screws kupatsanurwa zvakare nechimiro. Aparallel twin screwinochengetedza dhayamita nguva dzose uye inoshandisa modular,reconfigurable zvinhu - sarudzo inosiyana-siyana yekubatanidza uye yakakwirira kuburitsa. Aconical twin screwmatepi kubva kumucheto wakafara kusvika pakuyerera kwakamanikana, achipa huro hombe yekudyisa uye torque yakakwirira nekumhanya kwakaderera - muchina wekare wepaipi yakaoma yePVC uye chimiro. Tinozvienzanisa zvakadzama muconical vs parallel twin screw extruders.Twin screws zvakare ingave inotenderedza (yakanakisa kusanganisa) kana counter-inotenderera (yakakwira kudzvanywa, yakajairika kuPVC).
Injection Molding Screw Barrel
Anjekiseni molding screw barrelinoshanda pane imwecheteyo melt-and-convey musimboti asi yakavakirwa kutenderera kutenderera kwemuchina wejekiseni pane kuramba uchiwedzera. Iyo yepamusoro uye yezvinhu logic pazasi inoshanda kwairi zvakafanana.
Pakungotarisa, heino maitiro makuru emhando:
| Type | Zvakanakisa zve | Kusanganisa | Zvigadzirwa zvakajairika |
|---|---|---|---|
| Single screw | High-volume extrusion yechinhu chimwe | Low | Pipe, profile, sheet, firimu |
| Parallel twin | Kubatanidza, kubuda kwepamusoro, kushanduka | High | Macompounds, masterbatch, pellets |
| Conical twin | Compact PVC pombi & mbiri | High | UPVC pombi, mbiri, WPC |
| Jekiseni sikuruu | Jekiseni kuumba kutenderera | Inosiyana | Zvikamu zvakaumbwa |
Iko Extruder Screw Barrels Inoshandiswa
Iyo imwechete yepakati chikamu inoratidzira mukati mese indasitiri yemapurasitiki, akagadzirirwa basa riripo. Mupombi uye mitsetse yeprofile inoumba PVC, PE, uye PPR. Mufirimu uye pepa rinodyisa iyo die inogadzira kurongedza uye bhodhi. Mukusanganisa inosanganisa mapolymer nemafiller, pigment, uye additives mumapellets, uye inomhanyisa masterbatch kugadzirwa zvakare. Iyo inotyaira mitsara yekudzokorodza iyo inodzokorora zvimedu uye kugaya, tambo uye waya yekupotera, uye madhiramu anodzoka mukati memichina yekuumba jekiseni. Pese panonyungudutswa purasitiki nekuumbwa, sikururu nedhiramu zviri kunyunguduka. Izvo zvinoshanduka kubva kune imwe indasitiri kuenda kune inotevera imhando, iyo pamusoro, uye jiometry - ndosaka kungwarira kunokosha kunopfuura nhamba yekabhuku.
Screw Barrel Zvishandiso uye Surface Kurapwa
Iyo screw barrel inogara munzvimbo inoranga - kupisa, kudzvanywa, kukweshera, uye kazhinji zvinokuvadza kana zvinoparadza zvinhu. Nheyo yesimbi inoupa simba; kurapwa kwepamusoro kunoita kuti ipfeke uye irambe ichiita ngura. Nzvimbo mbiri dzinotonga.
Base Steel uye Nitriding
Iyo yakajairika base ndeye nitriding simbi yakadai38CrMoAlA. Gasi nitriding inoomesa kesi yakatetepa kumusoro, ichipa kupfeka kwakanaka kuramba kune yakachena, isina kuzadzwa resin sePE, PP, uye ABS pamutengo unonzwisisika. A nitridedscrew barrelndiyo ine hupfumi, sarudzo yakavimbika kana zvinhu zvisinganyanyi kushatisa kana kupisa.
Bimetallic
Pakuita ngura kana kuita ngura, bimetallic barrel inosanganisa alloy layer yakaomarara mukati mebore - nickel-based for corrosion, tungsten-carbide-rich for abrasion - pamusoro pesimbi yakaoma. Inodhura zvakanyanya, asi inotora nguva yakareba apo nzvimbo ine nitrided yaizopfeka. Pachedu bimetallic barrels tinotora bore kusvika ku62 HRC, uko zvitoro zvakawanda zvinomira pa 58. Kuenzanisa kwakazara kuri mugwaro redu.bimetallic vs nitrided screw barrels.
The Screw Inorapwa futi
Kuomesa kumeso harisi basa remadhiramu chete. Zvakare nitriding, screw flights dzinowanzoomeswa - chivharo chinobatirira chakasungirirwa panzvimbo yendege, nzvimbo yepamusoro-soro pascuru - saka sikururu inofambirana nechibhorani. Kana screw uye mbiya ikapfeka pamareti akasiyana, iyo clearance inodonha uye mhando inotambura, saka izvo zviviri zvinoomeswa kushanda uye kupfeka sepairi inofananidzwa, kwete sezvikamu zvakaparadzana.
Kufananidza Screw Barrel kune Yako Material
Apa ndipo pakawanda sarudzo dzescrew-barrel dzinohwinwa kana kurasika. Zvinhu zvaunomhanya zvinogadzirisa nzvimbo yaunoda - kwete imwe nzira yakatenderedza. Mepu yekukurumidza:
| Material | Kutyisidzira kukuru kune dhiramu | Yakakurudzirwa pamusoro |
|---|---|---|
| Yakachena PE / PP / ABS | Kupfeka zvinyoro | Nitrided |
| PVC yakaoma | Corrosion + imwe abrasion | Bimetallic (nickel-based) |
| Girazi-yakazadzwa / mineral-yakazadzwa | Heavy abrasion | Bimetallic (carbide-rich) |
| WPC (huni + filler) | Yakanyanya abrasion (+ corrosion kana PVC-yakavakirwa) | Bimetallic (carbide-rich) |
| Zvokudya zvakashandiswa zvakare/zvakasvibiswa | Abrasion + isingazivikanwe | Bimetallic |
Zvinhu zviviri zvakakodzerwa nebhuku ravo rekutamba.PVCinoita ngura nekuti inoburitsa hydrochloric acid painoita basa, saka inoda corrosion-resistant bimetallic surface.WPCndeimwe yeabrasive materials in extrusion, nekuda kwehuni dzayo uye mineral filler, saka inoda iyo yakaoma alloy layer yaunogona kuisa mubore. Tarisa pamusoro pezvinhu, nguva dzose.
Madiro Akakosha: Diameter, L/D uye Compression
Kupfuura mhando uye pamusoro, mashoma maratidziro anoumba kuti screw barrel inoita sei. Iwe haufanirwe kunge uri screw dhizaini kuti utore imwe, asi zvinobatsira kuziva zvavanoreva.
- Diameter- saizi kumuchina wako uye chinangwa chinobuda. Screws uye madhiramu anogadzirwa mhiri kwakasiyana-siyana madhayamita kuti aenderane zvese kubva kudiki profile mitsetse kusvika kune yakakura extruder.
- L/D reshiyo- kureba kwe screw yakakamurwa nedhayamita yayo. Iyo yakareba L / D inopa nguva yakawanda yekunyunguduka nekusanganisa; ipfupi ine tsinga. Kukosha kwakakodzera kunoenderana nezvinhu uye maitiro.
- Compression ratio- yakawanda sei screw channel inodzika kubva pakudya kusvika kumetering. Kudzvinyirira kwepamusoro kunoshanda zvimwe zvinhu zvakaoma; kupisa-sensitive polymers sePVC inofarira chiyero chakapfava.
Izvi zvakagadzirirwa kuzvinhu uye basa racho, ndosaka dhiramu rakagadzirwa-ku-spec richirova generic imwe. Ipa mugadziri wako muchina, zvinhu, uye zvakabuda, uye geometry inotevera kubva ipapo.
Matambudziko Anowanzo uye Zvavanonongedza Kwazviri
Kana mutsara ukabuda kunze kweiyo spec, nzira inowanzo dzokera kumashure kune screw uye mbiya. A quick diagnostic:
- Output inodonha pa same screw speed- yakapfekwa clearance, chiratidzo chekutanga chekutanga.
- Kuwedzera kana kusagadzikana kumanikidza- kupfeka, kana chikafu kana tembiricha nyaya.
- Mavara matema uye kuderedzwa— midziyo inorambira mumaburi akasakara kana kugara panzvimbo ine ngura.
- Musanganiswa usina kunaka kana zvinhu zvisina kunyungudika— siruuru isiriyo yebasa racho, kana sikuruu yakasakara.
- Kupinza screw kana bore- corrosion, kazhinji nzvimbo isiriyo yezvinhu.
Chero chiratidzo chimwe chete chinogona kuva nezvikonzero zvakati wandei, asi zviviri kana zvitatu pamwechete zvinenge zvinongogara zvichinongedza dhiramu rakasakara kana zvisizvo. Kuyera kupfeka kunokuudza kuti ndeipi - uye kuti kugadzirisa kuri kugadzirisa here kana kutsiva.
Kupfeka, Maintenance uye Replacement
Yese screw barrel inopera pakupedzisira - mubvunzo chete ndewekuti inokurumidza sei, uye zvinoenderana nechinhu uye kuti muchina unofambiswa sei. Kupfeka kunoratidza kudonha kunodonha panguva imwe chete sikururu kumhanya, surging, kusanganisa zvisina kunaka, matema, kana tembiricha yekunyungudika. Chikonzero ndiko kubvumidzwa pakati pekukurisa uye mbiya kuvhura kushivirira kwakapfuura.
Paunoona izvo zviratidzo, zviyera usati waita: iyo screw dhayamita yekubhururuka, dhiramu bhomba, uye radial clearance kupesana neyekutanga spec. Dzimwe nguva screw inogona kuvakwazve iyo dhiramu ichiri yakanaka; kana chiboro chapfekwa kupfuura kushivirira, kutsiva kazhinji ndiko kugadzirisa kwehupfumi. Mutungamiriri wedu kunguva yekutsiva screw barrel yakasakarainofamba kuburikidza nekuyera kupfeka uye kusarudza kugadzirisa maringe nekutsiva. Tsika shoma dzinotambanudza hupenyu hwesevhisi: enzanisa pamusoro pechinhu, chengetedza zvinosvibisa kunze kwechikafu, bata tembiricha mukati, uye kuverenga kwekubvumidza kwegi pasevhisi yega yega.
Maitiro eKusarudza uye Kutsanangura iyo Extruder Screw Barrel
Kuidhonza pamwechete, kusarudza screw barrel isarudzo nhatu mukurongeka:type, zvinopamusoro, zvinotsanangudzo. Shanda kuburikidza navo uye hauzoenda kure kure.
- Type— maitiro ako anopomba chinhu chimwe (siruu imwe) kana kusanganisa uye komputa (twin screw)? Compact PVC kana profil work point kune conical; yakakwira kuburitsa uye kuchinjika kunongedza kune parallel.
- Surface- nitrided for clean resins, bimetallic for abrasive or corrosive materials. Kana usina chokwadi pane yakazadzwa kana PVC zvinhu, enda bimetallic.
- Tsanangudzo- dhayamita, L / D, uye kudzvanywa kunofananidzwa nemuchina wako, zvinhu, uye zvinobuda.
Kuti uwane quote chaiyo uye dhiramu rinodonha rakananga mukati, ipa mugadziri wako muchina kugadzira uye modhi, screw dhayamita uye L/D (kana yekutanga kudhirowa), zvinhu uye mutoro wekuzadza, uye chinangwa chekubuda. Hapana kudhirowa? Sample yakasakara inokwana kudzosera kumashure-injiniya yekutsiva chaiko - kana yakakwidziridzwa ine nzvimbo yakaoma kupfuura chikamu chauri kuenda pamudyandigere.
Sei Kushanda Nanhaiya
Takapedza makore anopfuura makumi maviri tichivaka maextruder screws nemadhiramu emarudzi ese -siruuru imwe, parallel twin screw, conical twin screw,uyejekiseni kuumba- mu 38CrMoAlA nitrided simbi uye bimetallic alloys, ine bimetallic yakabereka kuomarara kusvika pa62 HRC, kudzora kushivirira, uye inosimba chiyero kuyedzwa pane ese seti. Nevatengi vanopfuura mazana mashanu uye anopfuura makumi maviri emakore echiitiko, tinovaka zvinotsiva zvinoenderana nemhando huru dzakadai seKraussMaffei, Cincinnati, naJwell, tichishanda kubva kumuchina wako modhi, kudhirowa, kana sampuli. Tiudze zvinhu zvako, muchina, uye zvinobuda, uye iwe uchave neyakagadzirirwa kurudziro uye quote mukati memaawa gumi nemaviri.
Unoda iyo chaiyo screw barrel, kana kutsiva mutsara wako? Tumira muchina wako, zvinhu, uye zvinobuda - tora kurudziro uye quote mukati memaawa gumi nemaviri.
Wana QuoteMibvunzo Inowanzo bvunzwa
Chii chinonzi extruder screw barrel?
Ndiyo musimboti wekushanda chikamu chepurasitiki extruder - screw inotenderera mukati mebhari rinopisa. Zvinotora purasitiki yakasimba kune imwe mugumo, inonyungudutsa nekupisa uye kugera, uye pombi yunifomu inonyunguduka kune imwe mugumo pakumanikidzwa kwakasimba. Iyo screw uye dhiramu inoshanda senge inofananidzwa peya, uye diki clearance pakati pazvo inodzora kubuda uye kunaka.
Chii chinonzi extruder screw barrel yakagadzirwa?
Nheyo yacho inowanzoita nitriding simbi senge 38CrMoAlA, yakaomeswa negasi nitriding kune yakachena resin. Pazvinhu zvinokurisa kana kuita ngura ine bimetallic - dhizaini yakaoma, isinga peri uye isingadziviriki, yakasanganiswa mukati mebhoro pamusoro pesimbi yakaoma. Iyo yepamusoro inosarudzwa yezvinhu zvaunomhanya.
Ndedzipi mhando huru dzescrew barrel?
Single screw uye twin screw. Twin screw inotsemuka kuita parallel uye conical, uye mukutenderedza-kutenderedza uye counter-inotenderedzwa, uyezve kune majekiseni ekuumba screw barrels. Single screws pombi ye-high-volume extrusion; mapatya screws mix uye musanganiswa; conical mapatya anokodzera compact PVC uye profile mitsara.
Iyo extruder screw barrel inogara kwenguva yakareba sei?
Iyo inochengetwa zvakanaka inowanzogara pakati pemakore matatu negumi. Izvo zvinoenderana nezvinhu, kurapwa kwepamusoro, mamiriro ekushanda, uye kugadzirisa - abrasive uye corrosive zvinhu zvinoipfupisa, yakachena resins uye bimetallic pamusoro inoiwedzera.
Ndinosarudza sei yakakodzera?
Matanho matatu: sarudza rudzi rwaunoda kuita, sarudza pamusoro pezvinhu zvako, wobva wafananidza dhayamita, L/D, uye kumanikidza kubasa. Ipa mugadziri wako modhi yemuchina, zvinhu, uye zvinobuda - dhirowa kana sampuli inoita kuti ive chaiyo.
Unogona here kutsiva chero mhando yemuchina?
Ehe. Isu tinovaka masiruuru nemadhiramu anoenderana nemhando huru dzeextruder uye jekiseni - KraussMaffei, Cincinnati, Jwell - kubva kumushini wako wemodhi, kudhirowa, kana sampuli. Tumira ruzivo rwekotesheni mukati meawa gumi nemaviri.
