Eyakhoumjovo wokubumba isikulufu umphongoloinquma ikhwalithi yokuncibilika, ukuvumelana kokudubula, nesikhathi somjikelezo. Ngezansi: indlela yokukhetha i-geometry nokwelashwa okungaphezulu kwe-resin yakho, indlela yokunakekela isethi, kanye nendlela yokulandelela iphutha emuva kusikulufu, umgqomo, noma indandatho yesheke esikhundleni sokuyijaha ngezilungiselelo zomshini. Izikulufu zethu zomjovo we-nitrided 38CrMoAlA ziphethe isendlalelo se-nitrided esingu-0.5–0.8 mm ku-950–1050 HV, isudi ye-PE, PP, PS, ne-ABS, futhi zibamba i-glass fibre efika ku-30%. Ngaphambi kwalokho, noma ku-resin ebolayo, i-bore idinga ukufuthwa kwe-hard-alloy ku-62 HRC. Uma okukhiphayo kwehla futhi imijikelezo inwetshiwe, funda ithebula lokuxazulula inkinga ngaphambi kokuthinta enye indawo yokubeka.
Iyini I-Injection Molding Screw Barrel?
Isikulufu nomgqomo zakha iyunithi yepulasitiki yomshini wokubumba umjovo. Ndawonye, bathatha ama-pellets aqinile ku-hopper, bawancibilikise, bawaxube abe yi-uniform melt, balinganise ishothi eliqondile, bese bejova lokho kudubula esikhunjeni. Yonke ingxenye ekhiqizwa umshini wakho idlula kulokhu kubhanqwa.
Ama-molders ashintsha ama-nozzles, alungise isikhunta, futhi alungise amazinga okushisa amasonto ambalwa ngaphambi kokuba abheke iyunithi yokwenza ipulasitiki. Lelo oda lihlehle. Uma isikulufu noma umgqomo uguga, akukho ndawo yokusetha kusilawuli ebuyisa inqubo.
Indima Yesikulufu Ku-Plasticization
Isikulufu siyancibilika kakhulu, hhayi ngamabhande we-heater. Ukushisa komgqomo kuyasiza, kodwa indlela yokuncibilika evelele iwumphumelaphuca ukushisa: isikulufu sihudulela i-polymer odongeni lomgqomo oshisayo, futhi ukungqubuzana kukhiqiza ukushisa ngaphakathi kwento ngokwayo. Yingakho i-screw geometry ishintsha izinga lokushisa elincibilikayo ngisho nalapho ama-setpoints akho enganyakazi.
Isikulufu siphinda silinganise ishothi. Iyaphenduka ibe yipulasitiki, ihlehle njengoba incibilika iqoqa phambi kwethiphu, bese iyama. Ibanga elihoxiswayo liwusayizi wakho wokudutshulwa. Noma ikuphi ukuncibilika okuvuza emuva ezindizeni noma ukudlula iringi yesheke konakalisa leso silinganiso.
Ekugcineni, isikulufu siyajova. Iyayeka ukujikeleza bese iqhubekela phambili njenge-plunger, iphoqa ukuncibilika ngombhobho. Le ndima embaxambili, ejikelezayo futhi ephindaphindayo, ihlukanisa isikulufu somjovo kusikulufa sokukhipha.
Iqhaza Lomgqomo Ekudluliselweni Kokushisa kanye Nokuqukethwe
Umgqomo uwumkhumbi wengcindezi oqondile onebhore elishisayo. Iqukethe ukucindezelwa komjovo, idlulisa ukushisa kusuka kumabhande kuya ku-polymer, futhi inikeza udonga oluqinile lapho isikulufu esishela khona impahla.
Ibhobo layo kufanele lihlale liyindilinga, liqondile, futhi liqinile. Lapho i-bore iguga, ukuvuleka phakathi kwe-screw flight kanye nodonga lomgqomo kuyakhula. I-Melt bese ivuza ihlehle ezindizeni esikhundleni sokuqhubekela phambili, futhi izinga le-plasticizing liyehla.
Ukushisisa kwemigqomo kuklanyelwe, ngokuvamile kuphakela, ukucindezelwa, kanye nemitha, ngayinye inesilawuli sayo kanye ne-thermocouple. I-thermocouple ekhukhulekile endaweni eyodwa ingapheka okubalulekile izinyanga ngenkathi isibonisi sifundeka ngokwejwayelekile.
Indlela Isikulufu Nemigqomo Esebenza Ngayo Ndawonye Njengohlelo
Izingxenye ezimbili zisebenza njengepheya efanisiwe, futhi inombolo echaza ipheya ithiukususwa kwe-radial: uhhafu womehluko phakathi kobubanzi bobhore bomgqomo kanye nobubanzi bendiza yesikulufa.
Ukucaciswa kuncane ngokuklama. Umthetho womkhakha wesithupha wesethi entsha cishe uwu-0.001 intshi wokususwa ohlangothini ngalunye kuyintshi ngayinye yobubanzi obuyisikulufa. Kusikulufu esingu-60 mm (cishe u-2.36 in), esihlala eduze kuka-0.06 mm ohlangothini ngalunye. Umdwebo wakho wokwakha uyigunya, futhi kufanele njalo kube inombolo ophikisana nayo.
Leso sikhala esincane senza umsebenzi wangempela. Iphoqa i-polymer ukuthi igunda odongeni lomgqomo esikhundleni sokushelela idlule. Ukuphinda kabili imvume futhi ukugunda kuba buthakathaka, ukuncibilika kuncipha, okukhiphayo kuyehla, futhi umshini uzama ukunxephezela ukushisa okungafanele ukudinge.
Ukushintsha ingxenye eyodwa kukodwa akuvamile ukuthi kulungise ipheya eligugile. Isikulufu esisha ngaphakathi kombhobho osugugile sibuyisela ingxenye kuphela yendawo elahlekile, futhi ukungafani kugqoka ingxenye entsha ngokushesha kunalokho obekufanele.
I-Anatomy Yesikulufu Sokubumba Umjovo
Isikulufu somjovo esijwayelekile sihlukanisa izindawo ezintathu kanye nokuhlanganisa ithiphu. Indawo ngayinye inomsebenzi, futhi ngayinye yehluleka ngendlela ongayibona ngayo.
| Indawo | Ukujula kwesiteshi | Umsebenzi | Yeka ukwehluleka kubukeka |
|---|---|---|---|
| Okuphakelayo | Okujulile | Thatha ama-pellets, uwadlulisele phambili | Ukuzila ukudla, ukudla okuguquguqukayo, ukuphefumula, ukuphefumula okungajwayelekile |
| Ukucindezela (inguquko) | Ukugoqa | Hlanganisa futhi uncibilikise i-polymer ngokumelene nodonga lomgqomo | Ayincibiliki, ixube kahle, le ndawo igqoka kuqala |
| Ukulinganisa | Akujulile | Homogenize bese umpompa ukuncibilika okungaguquki | Ukushintshashintsha kwe-shot, izinga lokushisa likhuphuka |
| Ithiphu futhi uhlole indandatho | — | Vala ukugeleza emuva ngesikhathi sokujova | I-shot size drift, isibhamu esifushane, ukulahleka komcamelo |
Indawo yokuphakelayo
Amashaneli ajulile athatha ama-pellets kusukela emphinjeni futhi awahambise phambili njengama-solids. Le ndawo ayincibiliki kakhulu. Iyadlulisela.
Izinkinga zokuphakelayo zizenza njengezinkinga zokuncibilika. Uma ama-pellets ebhuloka emphinjeni, noma isigaba sokuphakelayo sishisa kakhulu futhi ama-pellets athambe futhi anamathele kusenesikhathi, isikulufu siyafa yindlala. Isikhathi sokubuyisela siyashintsha, futhi usayizi wokudubula uyalandela. Hlola ukupholisa komphimbo ngaphambi kokuthi usole ijometri.
I-Compression (Transition) Zone
Isiteshi siya kancane kancane kulesi sigaba. Lokho kushona kukhama i-polymer odongeni lomgqomo oshisayo futhi kukhiqize ukushisa kwe-shear okwenza ukuncibilika.
Indawo yokucindezela yilapho ukugqoka kugxila khona. Ingcindezi iphakama lapha, futhi izigcwalisi ezilumayo zigaya kakhulu lapha. Uma ukala isikulufu esigugile, yilapho uthola khona izinombolo kuqala.
I-Metering Zone
Amashaneli angashoni, ajule njalo enza i-homogenize ukuncibilika futhi ikupompa phambili ngengcindezi engaguquki. Le zoni inquma ukuvumelana kweshothi kuya kwesibhamu.
Ukugqokwa kwendawo yemitha kubonakala njengokuhluka kweshothi kanye nezinga lokushisa elincibilikayo elikhuphukayo ezindaweni ezimisiwe ezifanayo. Isikulufu sisebenza kanzima ukuhambisa into efanayo.
Isikulufa Ithiphu, Hlola Iringi & Ivaluvu Engabuyi
Ukuhlanganiswa kwendandatho yesheke, ngezinye izikhathi ebizwa ngokuthi i-valve engabuyi, idinga ukunakwa okungaphezu kwalokho ekutholayo. Ihlala ithiphu yesikulufu futhi yenza umsebenzi owodwa: ngesikhathi sokujova iyavaleka, ngakho incibilika ingena esikhunjeni esikhundleni sokubuyela phezu kwesikulufu.
Uma iyeka ukuvala, uthola ukuhluka kosayizi wokudutshulwa, amashothi amafushane, kanye nomcamelo onyamalalayo. Ababumba bachitha amasonto belungisa umfutho womjovo, isikhathi sokubamba, kanye nezinga lokushisa bejaha lokhu. Akukho okusebenzayo, ngoba inyibiliko ibaleka ihlehle idlule indandatho egugile.
Amasignali amathathu akhomba indandatho yesheke ngokuqondile. I-Cushion iyahlukahluka ngokudutshulwa kunokuhlala njalo. Isisindo sokudubula siyakhukhuleka ngenkathi umshini ubika ukululama okuvamile. Futhi inqubo ephindaphindwayo iphenduka ngokungazelelwe ngaphandle koshintsho ku-resin noma ukusetha.
I-Key Screw Geometry Parameters
Izinombolo ezine zichaza isikulufu somjovo. Ziqonde, futhi isilinganiso somnikezeli siyayeka ukuba yibhokisi elimnyama.
L/D Isilinganiso: Incazelo, Ifomula, Namanani Anconyiwe nge-Resin
Isilinganiso se-L/Dubude bokusebenza besikulufu esihlukaniswa ngobubanzi baso obungaphandle. Isikulufu esiphindwe izikhathi ezingama-22 kunobubanzi baso sine-L/D ka-22:1. Ifomula imane nje ingu-L ihlukaniswe ngo-D, futhi isilinganiso sikala ngosayizi: isikulufu esingu-50 mm kokuthi 22:1 sinobude bokusebenza obungu-1,100 mm.
I-L/D ilawula ukuthi singakanani isikhala isikulufu okufanele sincibilike, sixube, futhi sihlanganise i-homogenize. Okude kunikeza amandla amaningi okuncibilika kanye nokuxuba okungcono. Okufushane kunikeza isikhathi esincane sokuhlala, esivikela ama-resin angezwani nokushisa.
Izikulufu zokujova ziba mfishane kunezikulufu ze-extrusion. Isikulufu silungisa ishothi eyodwa ngesikhathi kunokupompa ngokuqhubekayo, futhi okubalulekile kuhlala emgqonyeni phakathi kwamashothi. KuL/D isilinganiso umjovo ekubumbeniukuzijwayeza, imishini eminingi iwela phakathi kuka-18:1 no-25:1, ngo-20:1 kuya ku-22:1 okuvamile emishinini yenjongo evamile.
Ama-resin angezwani nokushisa njenge-PVC athanda isiphetho esifushane, ngakho-ke impahla ichitha isikhathi esincane kushisa. Amapulasitiki obunjiniyela adinga ukuncibilika ngokuphelele athanda ukuphela okude. Umhlahlandlela wethu wesilinganiso se-L/D uhlanganisa ukuhwebelana ngokujulile.
Isilinganiso Sokucindezela: Ukuthi Kuthinta Kanjani Ukushisa Kwe-Shear kanye Nekhwalithi Ye-Melt
Isilinganiso sokucindezelaiqhathanisa ukujula kwesiteshi endaweni yokuphakelayo nokujula kwesiteshi endaweni yemitha. Isikulufu esinesiteshi sokuphakelayo sijule ngokuphindwe kathathu kunesiteshi saso sokulinganisa sinesilinganiso sokuminyanisa esingu-3:1.
Isilinganiso sokucindezela sibeka ukuthi isikulufu sisebenza kanzima kangakanani into. Ukucindezela okuphezulu kusho ukugunda okuningi, ukushisa kwemishini okwengeziwe, nokuncibilika okunamandla. Ukucindezela okuphansi kuphatha i-polymer ngobumnene.
Qondanisa ne-resin, hhayi kokuncanyelwayo kwenombolo enkulu. Ama-polyolefin ane-viscosity ephansi adinga ukugunda okuhle ukuze ancibilike ngokuhlanzekile. Ama-resin angezwani nokushisa njenge-PVC, i-PC, ne-POM awonakala ngaphansi kwe-shear lapho i-PE izoyisusa. Umhlahlandlela wethu wesilinganiso sokuminyanisa usebenza ngobubanzi.
Ukujula Kwendiza, Ububanzi Besiteshi, kanye Nomthelela Wabo Kokukhiphayo
Isilinganiso sokuminyanisa isilinganiso, futhi izikulufu ezimbili ezinesilinganiso esifanayo zingaziphatha ngendlela ehlukile. Ukujula okuphelele kunendaba.
Ishaneli yokulinganisa ejulile ihambisa izinto eziningi ngokushintshashintsha ngakunye, ikhuphule izinga lepulasitiki, kodwa ixubana kancane futhi ilethe ukuncibilika okuncane okufanayo. Ishaneli yemitha engashoni ixubana kangcono futhi ilethe izinga lokushisa elingaguquguquki, ngokukhipha okuphansi ngokujika ngakunye.
Ububanzi bendiza kanye ne-engeli ye-helix kuthinta ukusebenza kahle kokudlulisa kanye nokushear okubonwayo endaweni yendiza. Lena imininingwane yedizayini oyicacisayo ngokuchaza inqubo yakho kumklami wesikulufu, hhayi izinombolo okufanele uzikhethe etafuleni.
I-Screw Diameter kanye ne-Shot Size Relationship
I-screw diameter isetha umthamo wokudubula womshini. Isikulufu esikhulu sisusa ivolumu eyengeziwe ngemilimitha yohambo oluya phambili, ngakho-ke siletha ishothi enkulu.
Umthetho osebenzayo uyibhande lokududuza, hhayi umkhawulo onzima. Qalisa ishothi esebenzisa ingxenye encane yomthamo womgqomo futhi okokusebenza kuhlezi emgqonyeni isikhathi eside kakhulu, uhamba ngebhayisikili ekushiseni nasekuwohlokeni. Gijimani cishe ngomthamo ogcwele futhi ulahlekelwa umcamelo odingekayo wokupakisha okungaguquki.
Iningi lababumba liqondise isibhamu endaweni ethile phakathi kwebanga elisebenzisekayo lomgqomo. Uma ingxenye yakho ihlezi ngaphandle kwaleyo bhendi, ukulungisa okulungile kuwububanzi obuyisikulufa obuhlukile, hhayi ukulungiselelwa komshini onzima.
Nali ithebula lethu lobukhulu elishicilelwe, elibonisa ukuthi umthamo weshothi ulandelela kanjani isikulufu kanye nosayizi wombhobho kulo lonke uhla esilwakhayo. Yisebenzise ukuze uthole umshini wakho, noma ukuhlola ingqondo-uhlole ububanzi umphakeli akucaphuna yona.
| Ukudubula (g) | Isikulufu Ø × ubude (mm) | Umphongolo Ø × ubude (mm) |
|---|---|---|
| 30–90 | Φ30 × 900 | Φ85 × 860 |
| 60–125 | Φ35 × 910 | Φ85 × 860 |
| 100–150 | Φ38 × 935 | Φ95 × 900 |
| 125–160 | Φ40 × 980 | Φ95 × 910 |
| 125–300 | Φ42 × 1030 | Φ105 × 1110 |
| 250–400 | Φ45 × 1210 | Φ115 × 1165 |
| 300-500 | Φ50 × 1300 | Φ125 × 1260 |
| 450-600 | Φ55 × 1335 | Φ130 × 1320 |
| 500-700 | Φ56 × 1350 | Φ130 × 1350 |
| 500-700 | Φ60 × 1380 | Φ140 × 1350 |
| 650-800 | Φ65 × 1415 | Φ150 × 1420 |
| 700-1000 | Φ70 × 1790 | Φ160 × 1685 |
| 80–125 | Φ75 × 1825 | Φ170 × 1725 |
| 100–150 | Φ80 × 2000 | Φ180 × 1805 |
| 125–200 | Φ85 × 2300 | Φ190 × 1900 |
| 200–300 | Φ90 × 2700 | Φ210 × 2000 |
| 250–500 | Φ100 × 2600 | Φ230 × 2405 |
| 300-600 | Φ110 × 2600 | Φ256 × 2590 |
| 400-1000 | Φ120 × 2800 | Φ256 × 2800 |
| 600-800 | Φ130 × 3010 | Φ256 × 2970 |
| 800-1000 | Φ145 × 3010 | Φ256 × 3200 |
| 1000–1500 | Φ160 × 3500 | Φ270 × 3200 |
| 1300–2500 | Φ170 × 3415 | Φ317 × 3380 |
Izinto ezimbili okufanele uzifunde kuyo. Amandla okudubula akhuphuka ngobubanzi, njengoba i-physics idinga. Futhi umgqomo ongaphandle ububanzi ukhula nawo, yingakho isikulufu esikhulu singelona neze ukuthuthukiswa kwamahhala: siyikilasi losayizi womshini ohlukile.
Izinhlobo Zezikulufu Zokubumba Zomjovo: Iyiphi Oyidingayo?
Imindeni eyizikulufu ezinhlanu imboza cishe zonke izicelo zomjovo. Okulungile kuncike ku-resin yakho nalokho okufunwa ingxenye yakho.
| Uhlobo lwesikulufu | Ekwenzayo | Kuhle kakhulu | Ubuthakathaka |
|---|---|---|---|
| Inhloso evamile (GP) | Indiza eyodwa, izindawo ezintathu ezijwayelekile | I-PE, i-PP, i-PS, i-ABS, ama-resin amaningi wempahla | Ukunciphisa i-geometry; ukulwa nama-resin adingayo |
| Umgoqo | Indiza yesibili ihlukanisa umbhede oqinile ne-melt pool | Ukuncibilika okungcono, okukhiphayo okuphezulu, izingxenye ezingezwani nokuncibilika | Izindleko ezengeziwe; overkill on resin lula |
| Ukuhlanganisa / ukuhlanganisa | Ingeza i-Maddock noma izingxenye zokuxuba iphini | I-masterbatch yombala, izinhlanganisela ezigcwele, izingxenye ezizwela u-streak | Ukugunda okwengeziwe; akulungile kuma-resin azwela ukushisa |
| Kufakwe umoya (izigaba ezimbili) | I-decompression zone kanye nembobo yokukhipha umoya ikhipha ukuguquguquka | Ama-resin e-Hygroscopic lapho ukomisa kungenakwenzeka | Inkimbinkimbi; i-vent ingaconsa uma ingahambisani |
| I-PVC ethize | Ukucindezelwa okuphansi, izindawo ezipholishiwe, awekho amabala afile | I-PVC eqinile futhi eguquguqukayo | Inhloso-yakhiwe; hhayi isikulufu senhloso evamile |
Inhloso Ejwayelekile (GP) Isikulufu: Esivame Kakhulu, Esingcono Kakhulu?
Isikulufu se-GP siwukuvumelana, futhi sihle. Isebenzisa i-PE, PP, PS, kanye ne-ABS ngokwamukelekayo, ehlanganisa ukubumba okuningi kwempahla. Abakhi bemishini bayithumela njengejwayelekile ngoba iphephile uma bengazi ukuthi uzosebenzisa ini.
I-compromise ikubiza uma i-resin idingeka. Isikulufu se-GP enayiloni egcwele ingilazi sigqoka ngokushesha. Isikulufu se-GP ku-PVC eqinile silulaza okokusebenza. Isikulufu se-GP esiphushelwe ukuze kukhishwe isilinganiso esiphezulu engxenyeni yodonga oluncane siletha ukungancibiliki. Uma noma iyiphi yalezo zichaza inqubo yakho, isikulufu esakhelwe inhloso siyazikhokhela nge-scrap sodwa.
I-Barrier Screw: Ukuhlukaniswa Kwe-Melt Okungcono kanye ne-Homogeneity
Isikulufu sokuvimbela sengeza indiza yesibili endaweni encibilikayo. Lokho kundiza kuhlukanisa ngokoqobo ama-pellets aqinile asele ekuncibilikeni osekwenziwe kakade, futhi kugcina okuqinile kucindezelwe odongeni lombhobho oshisayo lapho eqhubeka nokuncibilika.
Ngaphandle kwesithiyo, izinhlayiya eziqinile zicasha ngaphakathi kwechibi elincibilikayo, zivaleleke odongeni, futhi zingaphila ziye kubhobho njengoba zingancibiliki. Ngokukodwa, ukuncibilika kuqeda ngokuphelele futhi ngokungaguquki.
Inzuzo iwukuncibilika okungcono okufanayo ekuphumeni okufanayo noma okuphezulu, okubonakala njengokungancibiliki okumbalwa, ukulawula ukudubula okuqinile, kanye newindi lenqubo elibanzi. Izibunzi ezisebenzisa ukupakishwa kodonga oluncane, izingxenye ezibonayo, nanoma yini engancibiliki kahle kufanele icele eyodwa ngegama.
Ukuxuba / Ukuhlanganisa Isikulufu: Ngezinto Ezigcwele Nembala Ye-Masterbatch Materials
Izikulufu zokuxuba zengeza ingxenye yokuxuba ezinikele, ngokuvamile eduze kwephuzu. Izingxenye ze-Maddock (ezishaywayo) ziphoqelela ukuncibilika ezikhaleni ezincane, zihlephule izinhlayiya ezingancibilikisiwe nge-shear. Izixube zamaphini zihlukanisa futhi zihlanganise ukugeleza, umbala wokusabalalisa kanye nesigcwalisi.
Sebenzisa eyodwa lapho ukugqagqana kombala kuyinkinga yekhwalithi, uma ukuhlakazwa kwe-masterbatch kubalulekile, noma uma ukusatshalaliswa kwesigcwalisi kushayela ingxenye yokusebenza. I-trade-off ingeziwe i-shear, okwenza izigaba zokuxuba kube ukukhetha okungalungile kwama-resin azwela ukushisa asevele eseduze nomkhawulo wawo wokuwohloka.
I-Vented / Degassing Screw: I-Hygroscopic Resins
Isikulufa esiphuma umoya sinezigaba ezimbili. Isigaba sokuqala siyancibilika, bese umzila ujula kungazelelwe, wehlise umfutho we-ncibilika ufinyelele kuziro embotsheni yokukhipha umoya esike emgqonyeni. Umswakama nokuguquguquka kuyaphuma lapho, ngokuvamile ngaphansi kwe-vacuum. Isigaba sesibili bese sicindezela ukuncibilika komjovo.
Lokhu kusebenzela ama-resin e-hygroscopic lapho ukomiswa kungenzeki noma kungathembeki. Iphinde ibe nobungozi: uma lezi zigaba ezimbili zingafani, incibilikisa iphushela ngaphandle kwembobo yokukhipha umoya esikhundleni segesi. Isikulufu esinomoya kanye nomgqomo okhipha umoya kufanele kuklanywe ndawonye, yingakho kucaciswe njengesethi futhi akufakwe kabusha ngokunganaki.
I-PVC-Specific Screw Design: Kungani Izikulufu Ezijwayelekile Zihluleka nge-PVC
I-PVC eqinile ijezisa isikulufu esijwayelekile ngezindlela ezimbili ngesikhathi esisodwa. Yehlisa isithunzi ngaphansi kwe-shear, ikhiphe i-hydrogen chloride, ebese igqwalisa insimbi ehlezi ngokumelene nayo. Ukulimala kuqala ngaphambi kokuthi opharetha abone iphutha.
Isikulufu se-PVC siphendula zombili izinsongo. Ukucindezelwa okuphansi kugcina ukugunda kuthambile. Izindawo ezipholishiwe kanye nejiyomethri engenandawo efile zimisa izinto ezimile futhi zipheke. Isethi cishe njalo idinga ukumelana nokugqwala ekwelapheni okungaphezulu, hhayi nje ukumelana nokugqoka. EyethuI-I-PVC screw barrel guideihlanganisa i-chemistry, kanye neyethuama-conical twin screw imiphongolosebenzisa i-PVC ohlangothini lwe-extrusion.
Ungayikhetha Kanjani I-Screw Barrel Elungile Ye-resin Yakho
Ukukhethwa kwe-resin kushayela zonke ezinye izinqumo ekhasini: i-geometry, insimbi, nendawo. Funda itafula, bese ufunda amanothi angaphansi kwalo, ngoba amanothi anezixwayiso.
| I-Resin | I-L/D evamile | Isilinganiso sokucindezela esijwayelekile | Uhlobo lwesikulufu | Amanothi akhethekile |
|---|---|---|---|---|
| PP / PE | 20:1 – 22:1 | 2.5:1 – 3.5:1 | GP noma umgoqo | Ukuthethelela. Idinga ukugunda okuphozithivu ukuze incibilike ngokuhlanzekile |
| PS / HIPS | 20:1 – 22:1 | 1.8:1 – 2.5:1 | GP | I-viscosity ephansi, iyancibilika kalula. Ukuxuba okumnene kuma-HIPS |
| I-ABS | 20:1 – 24:1 | 2.0:1 – 2.5:1 | GP noma umgoqo | I-Amorphous. Buka ukushisa kwe-shear, imigqa ibonakala kalula |
| I-PC kanye nepulasitiki yobunjiniyela | 22:1 – 25:1 | 2.0:1 – 2.5:1 | Umgoqo noma i-GP, ukugunda okuphansi | Izinga lokushisa eliphezulu lokuncibilika, iwindi elincane. I-L/D ende, ukucindezela okuthambile |
| I-PVC eqinile | 18:1 – 20:1 | 1.6:1 – 2.5:1 | I-PVC ethize | Ukumelana nokugqwala akuyona inketho. Isikhathi sokuhlala esifushane |
| I-PVC eguquguqukayo | 18:1 – 20:1 | 2.0:1 – 2.8:1 | I-PVC ethize | Ukuthethelela okungaphezu kokuqina, okusakonakala |
| I-PET (i-preform) | 20:1 – 24:1 | Ukulinganisa okuphansi, okunembayo | I-PET eyakhelwe inhloso | Yomise noma yehlise isithunzi. Ukugunda okuphansi, indawo yokuhlala encane, izindawo ezipholishiwe |
| I-POM (i-acetal) | 20:1 – 22:1 | 2.5:1 – 3.5:1 | GP, ukugunda okuphansi | Yehlisa isithunzi kakhulu uma ishisa ngokweqile. Ukulawula izinga lokushisa okunembile |
| Ingilazi egcwele / elimazayo | Ngokwesisekelo se-resin | Ngokwesisekelo se-resin | Uhlobo lwesisekelo + indawo eqinile | I-geometry ilandela i-resin eyisisekelo. Iphezuluyilokho okushintshayo: go bimetallic |
Isetshenziswa kanjani leli thebula:lawa ububanzi obujwayelekile obushicilelwe kanye namaphoyinti okuqala, hhayi ukucaciswa. Umshini wakho, ibanga lakho, ingxenye yakho, nokuphuma kwakho kushintsha izinombolo. Umklami wesikulufa uqinisekisa ijometri yokugcina ngokumelene nenqubo yakho yangempela. Ungalokothi u-ode etafuleni elijwayelekile ngaphandle kwaleyo ngxoxo.
I-PP ne-PE: I-Semi-crystalline, I-Shear Emaphakathi
Ama-Polyolefin ayikesi elilula. Babekezelela ukugunda, bancibilike phezu kwefasitela elibanzi, futhi baxolele isikulufu sikaGP. Ukuminyanisa okumaphakathi kuya kokuphezulu kusebenza kahle, ngoba lezi zinsalela ezine-viscosity ephansi zidinga ukugunda okuhle ukuze zincibilike ngokuhlanzekile kunokushelela phakathi kokuncibilika uhhafu.
Phusha okukhiphayo kanzima ezindongeni ezizacile, futhi isikulufu sokuvimbela sizuza izindleko zaso ngokuletha ukuncibilika okuphelele kakhulu ngesivinini esifanayo.
I-ABS ne-PS: I-Amorphous, Buka Ukushisa Kwe-Shear
Ama-amorphous resins athambe phezu kobubanzi kunokuba ancibilike endaweni ecijile. I-PS isebenza ngokucindezelwa okuphansi ngoba incibilika kalula. I-ABS idinga ukunakekelwa okwengeziwe: ibonisa ama-streaks kanye ne-splay lapho yehlisa isithunzi, futhi ukushisa kwe-shear ngokuvamile kuyisizathu.
Uma izingxenye ze-ABS zilandelana futhi ama-setpoints akho abukeka elungile, sola gunda ngaphambi kokuba usole isomisi. Isilinganiso sokuminyanisa esinamandla kunhlaka ye-amorphous ezwela ukushisa ikhiqiza owayo amaphutha.
I-PC kanye Nepulasitiki Yobunjiniyela: Izinga Lokushisa Eziphakeme, I-L/D Ende
I-PC, inayiloni, i-PBT, kanye nezihlobo zabo zincibilika phezulu futhi zehlise izinga ngaphezu kwalokho. Badinga ukuncibilika okuphelele, okuphikisana ne-L/D ende, kodwa futhi bajezisa isikhathi sokuhlala, okuphikisana nokubamba inyibiliko emgqonyeni omkhulu.
Ukulungiswa kuyinde i-L/D ngokucindezelwa okuthambile kanye nosayizi ofanele weshothi. Yenza usayizi wokudutshulwa ungalungile ku-PC kanye nemijikelezo yezinto ezibonakalayo ngokushisa kuze kube phuzi, noma ngabe sihle kangakanani isikulufu.
I-PVC Iqinile futhi Iyavumelana nezimo: I-Corrosion Resistance Ibalulekile
Konke okungenhla mayelana ne-PVC kusebenza ekukhethweni. I-PVC eqinile ihlala ekugcineni okuphansi kokubili kwe-L/D nokucindezelwa, ngoba isikhathi nokugunda kokubili kuyizitha. Ukwelashwa okungaphezulu kufanele kumelane nokugqwala, hhayi nje ukuhuzuka, futhi lokho kushintsha ukukhetha kwengxubevange ngaphakathi kombhobho we-bimetallic.
I-PET ne-POM: I-Shear Ephansi, Ukulawula Ukushisa Okuqondile
I-PET i-hygroscopic. Amanzi akuncibilikisi ancibilikisa i-hydrolyzes amaketanga e-polymer, ehlisa i-viscosity yangaphakathi, futhi ashiye ama-preform efiphala futhi ensundu kuyilapho umshini ubukeka sengathi usebenza kahle. Yomisa inhlaka kahle, sebenzisa i-shear ephansi, gcina indawo yokuhlala ifushane, futhi ucacise izindawo ezipholishiwe ukuze amadiphozithi angakhi.
I-POM ibekezelela ukucindezelwa okuvamile kodwa yehla kakhulu lapho ishiselwa ngokweqile, futhi imikhiqizo yayo yokuwohloka iyingozi. Ukulawula izinga lokushisa kanye nesiyalo sesikhathi sokuhlala sibaluleke ngaphezu kwejiyomethri ehlakaniphile.
Izinto Ezigcwele Ingilazi Nezihubhuzayo: Umugqa ongu-30%.
Nawu umthetho ocacile ekhasini, futhi inombolo, hhayi umuzwa.Ifayibha yengilazi efika ku-30%: isethi ye-nitrided 38CrMoAlA iyayiphatha.Sakha futhi silinganisele izikulufu zethu zomjovo we-nitrided ngakho kanye lokho, zicinywe futhi ziqinisiwe, bese zifakwa igesi-nitrided kuya kukesi elingu-0.5–0.8 mm kokuthi 950–1050 HV.
Ngaphezu kwengilazi engu-30%, noma ene-mineral filler ne-flame retardant phezulu, ingaphezulu kufanele lishintshe.Ikesi eline-nitrided liwungqimba olusakazwayo, futhi isigcwalisi esilumayo sinqamula kuso ngokushesha kunokuba insimbi engaphansi ifanele.
Kungaleso sikhathi lapho ai-i-bimetallic screw barreliyeka ukuba ngcono futhi iba yisimiso esilungile: ingxubevange eqinile ifafaze indilinga egcwele endaweni egugile yebhore, ithatha ubulukhuni bangaphakathi bufike ku-62 HRC. I-geometry isalandela i-resin eyisisekelo. Ingaphezulu kuphela liyashintsha. Eyethui-bimetallic vs i-nitrided guideisebenza nge-logic yezindleko.
Izinhlobo Zemigqomo, Izinto Ezisetshenziswayo, Nokwelapha Okungaphezulu
Umphongolo awuhluleki kakhulu. Ivula, buthule, futhi ithathe okukhiphayo nakho. Impahla nengaphezulu nquma ukuthi lokho kuthatha isikhathi esingakanani.
I-Standard Nitrided Steel Barrel: Izicelo Nemikhawulo
I-Nitriding isakaza i-nitrogen endaweni yensimbi, yenze ikesi eliqinile. Sifaka igesi-nitride izikulufu zethu zomjovo we-38CrMoAlA ku-500–560 °C, sikhiqiza isendlalelo esine-nitrided esingu-0.5–0.8 mm ubukhulu ku-950–1050 HV. Lokho kuphakamisa ukumelana nokugqoka ngama-30-40% ngaphezu kwensimbi engalungiswanga.
Insimbi yesisekelo iyacinywa futhi iyathukuthela kuqala, ephakamisa ukumelana nokugqoka kwe-shear ngo-50% iyodwa. Ndawonye, lezo zinyathelo ezimbili zinikeza impilo yesevisi cishe yamahora angu-10,000–20,000 ezinsikeni ezingagqwali njenge-PE ne-PP.
Umkhawulo wayo ukujula kwecala. Uma umhuzuko unqamula ungqimba olune-nitrided, umgogodla othambile ngaphansi uguga ngokushesha. Sikala izikulufo zethu zomjovo we-nitrided zenhlanganisela ye-glass-fibre-reinforced kufika ku-30% (isibonelo, i-PA kanye ne-glass fiber). Ngaphezu kwalokho, noma kuma-resin abolayo, ikesi le-nitrided lidlulele futhi ingaphezulu kufanele lishintshe.
I-Bimetallic Barrel: Ukwakhiwa, Izindleko, Futhi Lapho Ukhokha
Umgqomo we-bimetallic ugcina umzimba we-alloy-steel futhi uhlanganisa ingxubevange yokugqoka ehlukile kubhore. Emiphongolweni yethu sifafaza ingxubevange eqinile esiyingini esigcwele se-bore's wear zone, okuletha ubulukhuni bangaphakathi ku-62 HRC.
Lokho kuwuhlobo oluhlukile lwesivikelo ku-nitriding. Ikesi eline-nitrided isendlalelo sokusabalalisa esilinganiswa ngezingxenyana zemilimitha. I-alloy bore efuthwe noma ehlanganisiwe iwungqimba lwensimbi ehlukene, futhi isigcwalisi esibi kufanele sidlule kukho konke.
Ingxubevange ikhethelwa usongo. Indawo egcwele i-carbide kanye ne-tungsten-carbide imelana nokuhuzuka okuvela ezingilazini zezingilazi nezimbiwa. Ama-alloys ane-nickel amelana nokugqwala okuvela ku-PVC nezinhlanganisela ezikwazi ukumelana nomlilo. Khetha i-alloy engalungile futhi ukhokhele umgqomo we-bimetallic oxazulula inkinga engalungile.
Ikhokha noma nini lapho okuphakelayo kwakho kuhuga noma konakala. I-arithmetic ilula: uma isethi ye-bimetallic ihlala izikhathi eziningana isikhathi eside njenge-nitrided kuzinto zakho, intengo yokuthenga ephezulu ihlukanisa phansi iye ezindlekweni eziphansi ngonyaka, ngaphambi kokubala okulahliwe nesikhathi osigwemayo.
Ihlukaniswe iqhathaniswa ne-Monolithic Barrel: Ukuvumelana nezimo vs Precision
Umgqomo we-monolithic (ucezu olulodwa) wenziwa ngomshini usuka emzimbeni owodwa. Ibamba ubuqotho nokujula okungcono kakhulu, futhi kuyinhlalakahle yokubumba umjovo, lapho ukunemba kokushayela ukudutshulwa okufanayo.
Imiphongolo ehlukanisiwe ibopha ndawonye kusukela ezigabeni, okuvumela ingxenye egugile ukuthi ishintshwe ngaphandle kokuklwebha wonke umgqomo, futhi ivumela izimbobo zokungena ukuze zibekwe ngendlela evumelana nezimo. Ukuhweba kuwukuqondanisa: ilunga ngalinye liyithuba lokungaqondani kahle, futhi imishini yokujova ayikuthetheleli kangako lokho kunokuhlanganisa ama-extruder.
I-Base Steel kanye Nezinketho Zobuso Ezihlala Kuyo
38CrMoAlAiyinsimbi eyisisekelo esishicilela kuyo izikulufi zomjovo wethu, futhi iwukuzenzakalela kwemboni ngesizathu. Ikhemistri yayo ye-chromium-molybdenum-aluminium iklanyelwe i-nitriding: i-aluminium yenza ama-nitride aqinile, azinzile esimweni kuyilapho umgogodla uhlala uqinile.
Insimbi eyisisekelo ithwala umthwalo wemishini. Indawo engaphezulu kwayo ithatha ukugqokwa, futhi yilapho ukukhetha kwangempela kulele khona. Njengoumkhiqizi wemiphongolo yesikulufasinikeza ububanzi obugcwele obugcwele, futhi ngayinye iphendula usongo oluhlukile:
- I-I-Nitriding— 0.5–0.8 mm isendlalelo kokuthi 950–1050 HV. Hlanza ama-resin, i-glass fiber kuze kufike ku-30%.
- Ukuvela kwe-Bimetallic— i-hard alloy ihlanganiswe endaweni yokugqoka ye-bore, yafika ku-62 HRC. Umsebenzi olimazayo futhi odlayo.
- Ukufafaza kwe-tungsten carbide- ezimweni ezinzima kakhulu zokuhuzuka.
- I-Chrome Plating— indawo ebushelelezi, elungele ukudedelwa. Isiza ngokushintsha kombala nokunamathela, hhayi ngokuhuzuka okukhulu.
- Insimbi engagqwali- lapho ukumelana nokugqwala noma ukuhlanzeka kwempahla kuhola imfuneko kunokugqoka.
Umhlahlandlela wethu wezinto zomgqomo wesikulufa uqhathanisa izinsimbi eziyisisekelo ngokugcwele.
Ukwelapha Okungaphezulu Kuqhathaniswa
| Impahla / ukwelashwa | Ukuqina | Ukugqoka ukumelana | Ukumelana nokugqwala | Kuhle kakhulu |
|---|---|---|---|---|
| 38CrMoAlA, i-nitrided | 950–1050 HV, 0.5–0.8 mm isendlalelo | Kuhle | Kuphakathi | PE, PP, PS, ABS; ingilazi fiber kufika ku-30%. Okuzenzakalelayo komnotho |
| Ukuvela kwe-Bimetallic | Izalelwe ku-62 HRC | Kuhle kakhulu | Kuhle | Ingilazi egcwele ngaphezu kuka-30%, igcwele amaminerali, i-regrind, i-abrasive duty |
| Ukufafaza kwe-tungsten carbide | Phezulu kakhulu | Kuhle kakhulu | Kuhle | Amacala anzima kakhulu wokuhuzuka |
| I-Nickel-base alloy engaphezulu | Kukhethwe ukwakheka ngakunye | Kuhle | Kuhle kakhulu | I-PVC, ama-fluoropolymers, ama-flame retardants |
| I-hard chrome plating | Iqinile, izacile kakhulu | Kuphakathi | Kuhle | Ukukhishwa okubushelelezi, ukushintsha umbala okulula, i-anti-stick |
| Insimbi engagqwali | Ngebanga ngalinye | Kuphakathi | Kuhle kakhulu | Ukugqwala noma izinhlelo zokusebenza eziholwa ukuhlanzeka |
Cacisa indawo yokuphakelayo okungcolile ulayini ozosebenza, hhayi okuhlanzeke kakhulu. Ukucacisa ikesi elihlanzekile kuyindlela evamile kakhulu yokufa kwesethi entsha kusenesikhathi.
Isondlo: Ungalithola Kanjani Ihora Nehora Isethi Engayinikeza
Ukunakekela akuhoxisi ukuguga. Kukuvimbela ekungezeni ukuguga okugwemayo ngaphezu kohlobo olungagwemeki, futhi kukunikeza idatha yokuhlela ukumiselela esikhundleni sokusabela kukho.
Uhlu Lokuhlola Lokuvamile
| Imvamisa | Okufanele uhlole | Kungani |
|---|---|---|
| Njalo shift | Izinga lokushisa elincibilikayo uma liqhathaniswa nokujwayelekile, isikhathi sokululama, ukungaguquguquki komcamelo, umthwalo wemoto | Lezi ziyakhukhuleka ngaphambi kokuthi kuvele amaphutha |
| Yonke into noma umbala uyashintsha | Hlanza ngokuphelele; hlola ukuhlanza ukuze uthole amachashaza amnyama noma izinto ezonakele | Izinhlamvu zisho izindawo ezifile noma ukuwohloka endaweni ethile |
| Nyanga zonke | Qinisekisa ama-thermocouples nama-heater bands; hlola ukupholisa komphimbo | Inzwa ekhukhulekile ipheka okokusebenza izinyanga inganakiwe |
| Noma nini lapho isikulufu siphumile | Linganisa i-OD yendiza kanye ne-ID yombhobho ezindaweni ezimakiwe; hlola indandatho yesheke | Isikulufu sesivele siphumile. Imizuzu eyishumi yokulinganisa iyidatha yamahhala |
| Okungenani ngonyaka (umsebenzi olimazayo noma odlayo) | Ukudonsa okuhleliwe: ukulinganisa okugcwele kokugqoka, isheke lokuqondanisa, faka ukufundwa | Izingubo ezigcwalisiwe, ze-PVC, kanye ne-regrind duty zigqoka ngokushesha kakhulu kune-resin ehlanzekile |
Inqubo Efanelekile Yokuhlanza Lapho Ushintsha Ama-resin noma Imibala
Hlanza ngaphambi kwakho konke ukuma nakho konke ukushintsha, ngaphandle kokukhetha izinsuku ezimatasa. Izinto ezishiywe ukuze ziphole ngaphakathi komgqomo ziwohloka, zibhake endaweni engaphezulu, futhi zibuye kamuva njengamachashaza amnyama engxenyeni yekhasimende.
Sebenzisa inhlanganisela yokuthengisa yokuhlanza ukushintsha umbala, ukuvala shaqa, nangaphambi kokushintshela ku-polymer ezwela ukushisa. I-Virgin PE noma i-PP iphatha izinguquko ezivamile phakathi kwezinto ezihambisanayo. Izinsalela zokushisa okuphezulu njenge-PC ne-PMMA zibambelela ngokuqinile futhi zidinga ukuhlanzwa okunolaka.
Hlanza ngaphambi kokuvala, hhayi kuphela ngaphambi kokuqala. Okushiya emgqonyeni opholile kuba yinkinga ozoyilwa ekuqaleni okulandelayo.
Indlela Yokukala Ukucaciswa Kwesikulufu-emgqonyeni
Lesi isilinganiso esishintsha umbono ube iqiniso, futhi izitolo eziningi ziyakweqa.
- Donsa futhi uhlanze isikulufu.Kuyashisa, ngamathuluzi ethusi noma ethusi. Ungalokothi i-steel scrapers, esika indawo ephathwayo isikulufu sincike kuyo.
- Maka izindawo zokulinganisangobude bokusebenza: okuphakelayo, uguquko, kanye nemitha okungenani.
- Linganisa indiza engu-ODnge-micrometer yangaphandle endaweni ngayinye, ithatha ukufundwa kumaphuzu amaningana azungeze isiyingi ukuze ibambe ukuguga okungalingani.
- Linganisa i-ID yombhobhonge-bore gauge ezindaweni ezifanayo nasekujuleni.
- Bala imvume ye-radial:khipha indiza ye-OD ku-Bore ID bese uhlukanisa kabili.
- Qhathanisa ngokumelene nomdwebo wokwakhafuthi ungene ngemvume konke okufundwayo nosuku namahora asebenzayo.
Humusha umphumela ngokumelene nemvume yasekuqaleni, hhayi ngokumelene nenombolo yendawo yonke. Umthetho wesitolo owusizo: lapho imvume isikhule cishe kabili inani lokwakha, noma lapho okukhiphayo kwehle ngokuphawulekayo ngesivinini esifanayo sesikulufa, qala ukuhlela ukumiselela. Umhlahlandlela wethu wokulinganisa wesinyathelo ngesinyathelo uhlanganisa indlela ngemininingwane egcwele.
Uhlelo Lokuhlanza kanye Nezinhlobo Zenhlanganisela Yokuhlanza
Qondanisa inhlanganisela nomsebenzi. Imishini (engaqhumeki) ikhuhla nge-viscosity ephezulu. Ukuhlanza amakhemikhali kuhlasela izinto ezonakele kanye nekhabhoni. Ukuhlanza okunamagwebu kunwebeka ukuze kufinyelele ezindaweni ezifile lapho ukugeleza kwe-laminar kugeje khona.
Izikhathi zokuhlanzeka okujulile zincike ku-resin. Ama-polymers anezinga lokushisa eliphezulu akha ikhabhoni ngokushesha futhi adinga ukuhlanzwa okujulile okuvamisile. Noma ngabe yini oyisebenzisayo, gcina isikhawu kushejuli kunokulinda amachashaza amnyama ukuze akuhlelele yona.
Ukulungisa Nini vs Nini Ukumiselela
Qhathanisa izindleko ngonyaka wesevisi, hhayi amathegi amanani amabili. Ukwakha kabusha okubiza uhhafu wemali eningi kodwa ebuyisela ingxenye yesithathu yeminyaka kuyinketho ebizayo ekuzifihleni.
Ukulungisa kuncika kwesokudlauma ukugqokwa kuwubukhulu futhi kumaphakathi, isisekelo sensimbi sizwakala, lokhu ukwakhiwa kabusha kokuqala, futhi i-geometry isahambisana ne-resin yakho.
Ukushintshwa kuncike kwesokudlalapho ukugqwala sekujule kakhulu, lapho isikulufu sesivele sakhiwe kabusha ngaphambili, lapho impahla yakho ishintsha futhi i-geometry yakudala ingasalingani, noma lapho isethi ingusayizi ojwayelekile intengo yawo yokushintsha ihlala eduze kwesilinganiso sokulungisa.
Umhlahlandlela wethu wokukhanda uma uqhathaniswa nokushintshanisa wendlala ithebula lesinqumo eligcwele.
Ukugcinwa Okufanelekile Nokuphathwa Kwemiphongolo Eyisikulufu Eyisipele
Isethi eyisipele iwusizo kuphela uma iqondile futhi ihlanzekile uma uyidinga. Gcina izikulufu zivundlile ngokusekelwa ngobude, ungalokothi uncike kuthiphu. Wagqokise ngokumelene nokugqwala, uwagcine emboziwe, futhi ugcine ishidi le-speccal kanye nezibalo zokuqina ezikalwe ngengxenye.
Isu lokuzungeza eliselelibiza ngaphezu kwanoma iyiphi imali esheshayo, futhi cishe akekho umphakeli ozokutshela lokhu. Thenga okushintshwayo ngaphambi kokuthi isethi yamanje yehluleke. Qalisa isethi entsha, thumela endala ukuze yakhiwe kabusha ngenkathi ukukhiqiza kuqhubeka, futhi ugcine isethi esakhiwe kabusha eshalofini njengesipele.
Manje ungumnikazi wokuzungezisa okunesikhathi sokuphumula esingahleliwe esinguziro, futhi konke ukushintshwa kwesikhathi esizayo kwenzeka ohlelweni lwakho esikhundleni sokuba ngo-2 ekuseni ngoMgqibelo. Isu libiza isethi eyodwa yemali yokusebenza futhi liyibuyisela okokuqala lapho ukuwohloka kungenzeki.
Ingabe Inqubo Noma Umshini? Isango Lesinqumo
Nasi isigaba okungekho esincintisana naye esisibhalayo, futhi sizokongela isikhathi esiningi kunalo lonke lo mhlahlandlela uhlanganisiwe.
Uma kuvela iphutha lokubumba, amaqembu amaningi afinyelela izilungiselelo zomshini. Izinga lokushisa, ukucindezela emuva, isivinini somjovo, isikhathi sokubamba. Ngezinye izikhathi lokho kulungile. Kodwa lapho i-plasticizing unit igugile, akukho kulungiselelwa okubuyisela inqubo, futhi amasonto ayanyamalala ekusesheni okungasoze kwaphumelela.
Qalisa leli sango ngaphambi kokuthi uthinte enye indawo yokusetha.
1. Ingabe kukhona okushintshile?Indawo entsha ye-resin, umbala omusha, isilinganiso esisha se-regrind, isikhunta esisha, isilungiselelo esilungisiwe othile? Uma kunjalo, landela ushintsho. Lena inkinga yenqubo kuze kube kufakazelwe ngenye indlela.
2. Ingabe iphutha livele ngokuzumayo, noma lingene phakathi namasonto?Ngokuzumayo ukhomba ushintsho noma ingxenye ephukile. Amaphuzu ahamba kancane ekugqokeni. Izingubo azifiki ebusuku.
3. Ingabe umcamelo udutshulwe ngendlela efanayo?Umcamelo ongaguquki indandatho yesheke iyakhuluma. Ihlole ngaphambi kwanoma yini enye.
4. Ingabe okukhiphayo kwehle ngesivinini esifanayo sesikulufa, noma isikhathi sokutakula seluliwe?Zombili zikhomba ekususweni, okusho ukugqokwa kwesikulufu noma umgqomo. Izilungiselelo azikwazi ukubuyisela imvume elahlekile.
5. Ingabe izinga lokushisa elincibilikayo liyakhuphuka ezindaweni ezingashintshiwe?Isikulufu sikhiqiza ukushisa okuthe xaxa kwe-shear, ngokuvamile ngenxa yokuthi sisebenza kanzima ngokumelene nesici esigugile.
6. Ingabe amachashaza amnyama ayabuya ngemva kokuhlanzwa ngakunye?Impahla ilala endaweni efile. Kusethi endala, leyo ndawo efile ivamise ukugqokwa indawo evulekile egcina ukuncibilika okonakele.
Izimpendulo ezintathu noma ngaphezulu ezithi “yebo” embuzweni wesi-3 kuye kowesi-6 zisho ukuthi umshini ukutshela ukuthi i-plasticizing unit isigqokile. Misa ukushuna. Donsa isikulufu usilinganise.
Isilinganiso sithatha ihora. Ukujaha iphutha lokusebenzisa izilungiselelo kuthatha amasonto, futhi akulokothi kuhlangane, ngoba impendulo ayizange ibe sesilawuni.
Umhlahlandlela wokuxazulula nge-Root-Cause Table
Isici ngasinye esingezansi singavela enqubweni noma ekugqokeni kwemishini. Ithebula liqamba igama elithiisikulufu nomgqomoImbangela, ngoba leyo yinxenye wonke umuntu ayishiya ngaphandle.
| Inkinga | Uphawu | Isikulufu / umgqomo imbangela | Isenzo sokulungisa |
|---|---|---|---|
| Imibala emnyama / ama-burn marks | Amachashaza amnyama noma ama-streaks engxenyeni; kubi kakhulu ngemuva kokuma | Impahla eboshiwe efakwe endaweni evulekile egugile noma indawo efile; i-score bore; indawo yesikulufu eyonakele | Ukuhlanza okujulile. Uma amachashaza ebuya, donsa futhi uhlole. Hlola ukuvunyelwa kwamaphuzu kanye nokuguga. Faka esikhundleni uma isethi igcina impahla |
| Usayizi wokudubula ongahambisani / amashothi amafushane | Shot isisindo drifts; umcamelo uyahlukahluka ukudubula | Hlola indandatho ayivalwanga(evame kakhulu); izindiza ezigugile ezivumela ukuncibilika kuvuze emuva; umgqomo wazala oversize | Hlola indandatho yesheke kuqala. Bese ukala imvume. Izilungiselelo ngeke zilungise ivalvu evuzayo engabuyi |
| Ncibilikisa izinga lokushisa | Izinga lokushisa langempela lokuncibilika ngaphezu kwama-setpoints; ukushintsha umbala kwezinto | Ukugunda okwedlulele kusuka kusilinganiso sokucindezela okungalungile; imvume egugile eyenza isikulufu sisebenze kanzima; i-thermocouple ekhuphukile | Qinisekisa ama-thermocouples. Hlola isivinini sesikulufa nokucindezela emuva. Uma i-geometry ingalungile ku-resin, isikulufu siwukulungisa |
| Ukululama kancane / ukwenza ipulasitiki ende | Isikhathi sokuphumula siyancipha; isikhathi somjikelezo siyakhula | Imvume egugile inciphisa ukusebenza kahle kokupompa; udaba lwesigaba sokuphakelayo; i-geometry engalungile ye-resin | Hlola ukupholisa komphimbo we-feed-throat kanye ne-pellet feed kuqala. Bese ukala imvume ngomdwebo |
| Ukukhuphuka komthwalo wemoto / ukucindezela emuva | Motor amps ekhuphuka at okukhipha njalo; ama-alamu e-torque | Ukuhudula isikulufu ku-bore (ukungalungi kahle, isikulufu esigobile); ukugunda ngokweqile; ukumelana nokwakhiwa kwempahla encishisiwe | Hlola ukuqondanisa futhi uqonde ngezikulufu. Isikulufu esigobile sigqoka uhlangothi olulodwa lwebhore futhi sizocekela phansi umgqomo omusha |
| Ukuwohloka kwezinto/ukushintsha umbala | Iphuzi, i-splay, i-brittleness, iphunga | Isikhathi sokuhlala side kakhulu (isibhamu sincane kakhulu emgqonyeni); gunda kakhulu; izindawo ezifile zokubamba impahla | Hlola isilinganiso sosayizi wokudutshulwa kumthamo we-barrel-capacity. Yehlisa ukugunda. Kuma-resin angezwani nokushisa, isikulufu sokuminyanisa kancane singase sibe ukuphela kokulungiswa kwangempela |
| Ayincibiliki / izinhlayiya eziqinile ngokwengxenye | Amachashazi aqinile; ukukhubazeka okufana ne-lens; izindawo ezibuthakathaka | Umthamo onganele wokuncibilika: I-L/D imfushane kakhulu, ukucindezela akulungile, okukhiphayo kudlule kulokho isikulufu esingancibilika, noma imvume egugile. | Yehlisa okukhiphayo noma thuthukela kusikulufa sokuvimbela. Uma isethi isigugile, asikho isilungiselelo esibuyisela ukuncibilika |
| Umbala obala / ukuhlakazeka okubi | Umbala ongalingani; masterbatch ayihlakazi | Asikho isigaba sokuxuba; isikulufu esigugile sixutshwa kahle; Isikulufu esingalungile senhlanganisela egcwele noma enombala | Cacisa isigaba sokuxuba (i-Maddock noma iphini). Qinisekisa ukuthi isikulufu asimane siguge kuqala |
Ama-Black Streaks noma Ama-Burn Marks
I-polymer eyonakalisiwe ilala ndawana thize futhi ixebuka ibe yizicucu. Izindawo zokucasha zakudala ziyizindawo ezigugiwe, i-bore yamaphuzu, indandatho yesheke eyonakele, nanoma iyiphi indawo efile lapho ukugeleza kukhula khona.
Hlanza ngokujulile kuqala. Uma ama-specks ebuya ngemva kokuhlanzwa okuphelele, okubalulekile akuyona nje insalela. Ikhiqizwa ngokuqhubekayo ngendawo ethile emshinini wakho, futhi udinga ukudonsa isikulufu usithole.
Usayizi Wokudutshulwa Okungahambisani noma Amashothi Amafushane
Hlola indandatho ngaphambi kokuthi uthinte isilungiselelo. Uma i-valve engabuyi iyeka ukuvala, inyibilika ibalekela emuva ngesikhathi sokujova, futhi isibhamu umshini obucabanga ukuthi silinganisiwe akusona isibhamu esitholwa yisikhunta.
I-giveaway yi-cushion. Inqubo engaguquki ibamba umcamelo ozinzile. Lapho umcamelo uzulazula udutshulwa ukuze udutshulwe, incibilika iya endaweni lapho okungafanele khona.
Melt Temperature Spiking noma High Kakhulu
Linganisa ukuncibilika kwangempela nge-probe kunokuthemba ama-setpoints. Uma ukuncibilika kwangempela kuhamba kahle ngaphezu kwezindawo, ukushisa okwengeziwe kuvela ku-shear, hhayi kumabhendi.
Ukushisa kwe-shear kuyenyuka lapho ukuminyanisa kunamandla kakhulu ku-resin, lapho isivinini sesikulufu siphezulu kakhulu, lapho ingcindezi yangemuva ingaphezu kwamandla, futhi lapho isikulufu esigugile kufanele sisebenze kanzima ukuze sihambise into efanayo.
I-Slow Screw Recovery / Isikhathi Eside Se-Plasticizing
Qala ku-hopper. Ukuvala ama-pellets, umphimbo wokuphakelayo oshise ngokweqile, kanye nokupholisa okungenele konke kwenza isikulufu silambe futhi silulame, futhi akukho nesisodwa sakho esinesici sesikulufu.
Uma okuphakelayo kunempilo futhi ukululama kusahamba kancane, linganisa imvume. Isikulufu esilahlekelwe ukusebenza kahle kokumpompa kwaso ukuze sigqoke sithatha isikhathi eside ukugcwalisa isithombe esifanayo, futhi isikhathi somjikelezo siyasibonisa.
Ukulayisha Kwemoto Okukhuphukayo noma Ukucindezela Emuva
Ukukhuphuka kwama-amps ngokukhipha njalo kusho ukuthi kukhona okumelayo. Isikulufu esigobile esihudula kubhore icala eliyingozi: sigqoka uhlangothi olulodwa lomgqomo, futhi isikulufu esisha esifakwe ngokumelene nalokho kungahambi kahle sigqoka ngendlela efanayo ohlelweni olufanayo.
Hlola ubuqotho nokuqondanisa ngaphambi koku-oda noma yini. Ukugqokwa kohlangothi olulodwa yizigxivizo zeminwe.
Ukuwohloka Kwempahla noma Ukushintsha umbala
Zimbili izimbangela ezibusayo: impahla ishisa kakhulu, noma isinesikhathi eside ishisa. Eyesibili yileyo abantu abayigejayo.
Ishothi elincane kakhulu emgqonyeni lishiya lincibilika lihlezi phakathi komjikelezo ngemva komjikelezo, lipheka ngobumnene lize libe phuzi. Awukho umklamo wesikulufu olungisa ishothi elincane emgqonyeni omkhulu. Lungisa i-screw diameter, noma uhambise umsebenzi emshinini omncane.
Unga-oda kanjani i-Replacement Screw Barrel
Akekho oqhudelana naye lokhu, futhi yingxenye edingwa ngabathengi. Ukuthi u-oda ku-OEM noma kozimeleisikulufa umgqomo factory, ulwazi olufanayo luqhuba ukucaphuna.
Ubukhulu kanye Nezicaciso Okufanele Uzinikeze
- Uhlobo lomshini kanye nemodeli.Isithombe se-nameplate sanele ukuqinisekisa ubukhulu bokukhwezwa kanye nokuphela kwedrayivu.
- Isikulufa se-Screw kanye nesilinganiso se-L/D,kusukela emdwebeni noma kulinganiswa ngokuqondile.
- I-resin, enokuqukethwe kokugcwalisa.Lokhu kushayela insimbi eyisisekelo kanye nokwelashwa kwendawo ngaphezu kwanoma yini enye ohlwini.
- Usayizi wokudutshulwa kanye nomjikelezo oqondiwe,ngakho-ke i-geometry ingathuthukiswa kunokuba ikopishwe.
- Umdwebo, noma isampula eligugile.Noma iyasebenza. Ingxenye egugile ingakalwa futhi ijometri ephelele yakhiwe kabusha.
- Kwenzekani konakele ngeledlule.Thumela iphethini yokugqoka kanye nengxenye. Ukulahleka kobukhulu obushelelezi kuthi ukuhuzuka. I-Pitting ithi ukugqwala. Ukugqokwa kohlangothi olulodwa kuthi ukuqondanisa, okungeke kulungiswe isikulufu esisha.
Leyo nto yokugcina yileyo abathengi abayikhohlwayo, futhi iyona ekuvimbela ukuthi uthenge ikhophi ethembekile yokwehluleka.
I-OEM-Match vs Idizayini Yangokwezifiso: Izinzuzo Nezingozi
Umdlalo we-OEMikhiqiza kabusha ijometri yokuqala. Kuwucingo olulungile lapho isikulufu sangempela sifanela inqubo yakho futhi sigugile. Kuyaqageleka, kuqinisekiswe ngokumelene nomdwebo, akukho nqubo yokuqinisekisa kabusha.
Idizayini yangokwezifisoishintsha i-geometry ukuze ilingane nalokho okusebenzisayo namuhla. Ikholi efanele lapho inqubo inyakaza futhi isikulufu singazange: wengeze i-regrind, ushintshele ebangeni eligcwalisiwe, ushintshe okuhlosiwe kokukhiphayo, noma isikulufu sangempela asizange sikuphathe kahle i-resin yakho.
Uku-oda okufanayo kwe-OEM lapho inqubo isishintshile kukhiqiza kabusha inkinga ngensimbi entsha. Uku-oda idizayini yangokwezifiso lapho eyangempela ilungile kwengeza izindleko nokuqinisekisa mahhala. Iphethini yokugqoka ikutshela ukuthi ukusiphi isimo.
Yini Ongayilindela Lapho Uthola Ukuthola Okuvela E-China
Isikhathi sokuhola sincike kujometri, ukwelashwa kwendawo, nokuthi umdwebo ukhona yini. Icele ngokubhala ngokucaphuna kwakho, bese ubuza ukuthi iwashi liqala ngani: ukuqinisekiswa komdwebo, noma i-oda lokuthenga. Azifani ngosuku, futhi umehluko ngokuvamile isonto.
Izinto ezintathu okufanele uzibeke phansi ngaphambi kokuthi uzibophezele:
- Lapho ukukhiqizwa kuqala.Ukuhlehlisa ubunjiniyela isampula esigugile kwengeza isikhathi ngaphambi kokuthi kusikwe i-chip eyodwa. Umdwebo ususa leso sinyathelo.
- Okwengezayo ukwelashwa okungaphezulu.I-Bimetallic Surfacing kanye ne-carbide spraying yizinyathelo ezihlukene zenqubo ezinomugqa wazo.
- Izimpahla zasolwandle, ngokwehlukana.Ayikho esikhathini sokuhola sokukhiqiza, futhi yinombolo emangaza abathengi bokuqala.
Ukucaphuna kwethu siqu kubonakala ngokuklama: sinikeza izindleko ezilinganiselwe ezimboza umkhiqizo, ukuthunyelwa, kanye nokulungiswa okuqhubekayo, ngakho-ke akukho lutho olungatholakala kamuva. Uthola leyo khotheshini phakathi namahora ayi-12.
Hlela ngesikhathi sokuhola ngokuzungezisa okusele okuchazwe ngaphambilini. Isethi e-odwe kulogi ithunyelwa kushejuli yakho. Isethi e-odwe ngemikhumbi ephukile ngokumelene newashi, ngendiza, ngentengo akekho ojabulela ukuyichaza.
Imibandela Yokwamukela Ikhwalithi kanye Namaphuzu Okuhlola
Lawa amasheke ahlukanisa umphakeli wangempela koshibhile. Bacele ngokubhala ngaphambi kokufaka i-oda, futhi uqinisekise lapho isethi ifika:
- Idayamitha yangaphandle ezindaweni eziningi endizeni ngayinye
- I-Bore diameter kanye ne-cylindricity
- Ukuqina kobuso njengeinani elilinganiselwe(HV noma HRC), hhayi ukucaciswa kwekhathalogi
- Ukujula kwekesi le-nitrided, noma ukujula kwesendlalelo sengxubevange kubhore eyi-bimetallic
- Ukugxila nokuqondile
- Ubulukhuni bobuso (Ra)
- Isisekelo sensimbi grade, siqinisekisiwe
Ukuqina nokujula kwecala yikona okubili okubaluleke kakhulu, futhi okubili okuvame ukwehliswa buthule. Isendlalelo esine-nitrided kokuthi 950–1050 HV kanye no-0.5–0.8 mm ukushona siyisicaciso ongabambela umhlinzeki ngakho. "I-Nitrided" ngokwayo ayikho.
Uma isilinganiso sehla kakhulu ngaphansi kwezinye, buza ukuthi iyini insimbi nokuthi ukwelashwa kujula kangakanani. Cishe njalo yilapho umehluko ucasha khona, futhi uyayikhokha ngesikhathi sokugqokwa kwangaphambi kwesikhathi.
Ukuhamba kwethu okugcwele kuhlezi kumhlahlandlela we-oda we-screw barrel.
Udinga omunye esikhundleni noma umgqomo wesikulufu somjovo wangokwezifiso? Thumela imodeli yomshini wakho, umdwebo, noma isampula eligugile. Sicaphuna emahoreni angu-12.
Thola i-Screw Barrel Quoteimibuzo ejwayelekile ukubuzwa
Q: Uhlala isikhathi esingakanani umphongolo wesikulufa wokubumba umjovo?
A: Kuma-resin angagqwali njenge-PE ne-PP, izikulufu zethu zomjovo we-nitrided 38CrMoAlA zisebenza cishe amahora angu-10,000–20,000. Izinhlanganisela ezigcwele ingilazi, i-PVC, kanye ne-regrind esindayo kunciphisa lokho, nokuthi kude kangakanani kuncike kokuqukethwe kwesigcwalisi nokuphumayo. Ungagijimi iwashi nethemba: ukukala. Hlola i-OD yendiza kanye ne-ID ye-bore ngokumelene nomdwebo wesakhiwo okungenani kanye ngonyaka emsebenzini olimazayo, bese ubhala ithrendi. Ithrendi, hhayi isibalo samahora, ikutshela ukuthi uyi-oda nini isethi elandelayo.
Q: Kuyini imvume evamile phakathi kwesikulufa nomgqomo?
A: Asikho isibalo esisodwa, ngoba izikali zokususa ezinobubanzi obuyisikulufa. Umthetho womkhakha wesithupha wesethi entsha cishe ungu-0.001 intshi we-radial clearance ohlangothini ngalunye kuyintshi ngayinye ye-screw diayamitha, ngakho isikulufu esingu-60 mm sihlala eduze kuka-0.06 mm ohlangothini ngalunye. Umdwebo wakho wokwakha uyigunya. Njengomkhawulo wesevisi osebenzayo, lapho imvume elinganisiwe ikhule yaba cishe kabili inani lokwakha, noma okukhiphayo kwehle ngokuphawulekayo ngesivinini esifanayo sesikulufa, hlela ukushintshwa.
Q: Ngingakwazi ukusebenzisa isikulufu esisodwa kuma-resin amaningi ahlukene?
A: Ngaphakathi komndeni, yebo. Isikulufu senhloso ejwayelekile siphatha i-PE, PP, PS, kanye ne-ABS ngokwamukelekile, yingakho abakhi bemishini besithumela njengokujwayelekile. Emindenini yonkana, cha. Isikulufu se-GP ku-PVC eqinile sehlisa isithunzi futhi sonakalisa insimbi. Isikulufu se-GP enayiloni egcwele ingilazi siguga ngokushesha. Futhi isikulufu sikasayizi wevolumu yokudutshulwa eyodwa asikwazi ukwenza umsebenzi osebenzisa ingxenyena encane yombhobho ngaphandle kokupheka okokusebenza. Uma ama-resin akho eba lezo zikhala, udinga isikulufu esingaphezu kwesisodwa, noma isikulufu esidizayinelwe ikesi elinzima kakhulu.
Q: Ngingabona kanjani ukuthi isikulufu sami sokubumba umjovo sigqokile?
A: Umshini uyakutshela kuqala, futhi i-micrometer iyakuqinisekisa. Buka okukhiphayo kwehla ngesivinini esifanayo sesikulufu, ukwelula isikhathi sokutakula, ukukhuphuka kwezinga lokushisa elincibilikayo ezindaweni ezingashintshiwe, amachashaza amnyama abuyayo ngemva kokuhlanza, kanye nosayizi wokudubula. Noma yikuphi kwalezo zithethelela ukudonsa isikulufu. Bese ukala indiza OD nge-micrometer kanye ne-Bore ID nge-bore gauge, ezindaweni ezifanisiwe, bese uqhathanisa ukuphuma kweradial ngokumelene nomdwebo. Izimpawu ziphakamisa; ukulinganisa kuqinisekisa.
Q: Uyini umphongolo wesikulufa se-bimetallic futhi ngiwudinga nini?
A: Umgqomo we-bimetallic ugcina umzimba we-alloy-steel futhi uhlanganisa ingxubevange yokugqoka eqinile kubhore. Emiphongolweni yethu sifafaza i-alloy eqinile indingilizi egcwele endaweni yokugqoka ye-bore, okuletha ubulukhuni bangaphakathi ku-62 HRC. Ulayini kulula ukuwudweba:i-glass fibre efika ku-30% isebenza kahle kusethi ye-nitrided 38CrMoAlA. Ingilazi engaphezu kuka-30%, ene-mineral filler noma i-flame retardant, noma kwi-resin ebolayo, iya ku-bimetallic. Ikesi eline-nitrided liwusendlalelo sokusabalalisa esingu-0.5–0.8 mm, futhi isigcwalisi esindayo sinqamula kuso isikhathi eside ngaphambi kokuba insimbi engaphansi iqedwe.
Q: Ingabe idizayini yesikulufu ithinta ikhwalithi yengxenye ekubunjweni komjovo?
A: Ngokuqondile, nangaphezulu kunezilungiselelo eziningi zenqubo. I-Screw geometry inquma ukuthi into encibilika ngokuphelele kangakanani, izinga lokushisa elincibilikayo lifana kanjani, ukuthi umbala nesigcwalisi kuhlakazeka kangakanani, nokuthi isibhamu silingana kangakanani. Ukungancibiliki, ama-streaks, i-splay, ukuwohloka, nokushintshashintsha kwesibhamu konke kulandelela emuva kumklamo wesikulufu noma ukugqokwa kwezikulufu okungenani izikhathi eziningi lapho zilandela emuva kusilawuli. Uma isici simelana nalo lonke ushintsho lwesilungiselelo olwenzayo, i-geometry noma ukugqokwa ngokuvamile kuyisizathu.
Q: Uyini umehluko phakathi kwesikulufu somjovo nesikulufu se-extrusion?
A: Isikulufu se-extrusion sizungeza ngokuqhubekayo futhi amaphampu ancibilike aye phambili ngaphandle kokuma. Isikulufu somjovo senza imisebenzi emibili: siyazungezisa ukwenza isibhamu sibe yipulasitiki, bese siyayeka ukuzungezisa bese siya phambili njenge-plunger ukusijova. Leso senzo esiphindaphindayo yingakho izikulufu zokujova ziphethe indandatho yesheke kuthiphu, futhi kungani zisebenzisa izilinganiso ze-L/D ezimfushane, ngokuvamile ezingu-18:1 kuya ku-25:1, kunezikulufu ze-extrusion. Okubalulekile futhi kuhlala emgqonyeni womjovo phakathi kwamashothi, okwenza isikhathi sokuhlala kanye nosayizi wokudubula kubaluleke kakhulu.
Umbuzo: Ingabe umenzi wemiphongolo yesikulufa angakopisha isikulufu sami ngaphandle komdwebo?
A: Yebo. Thumela ingxenye egugile futhi ijiyomethri ingakalwa futhi yakhiwe kabusha: ububanzi, i-aspect ratio, ukujula kwesiteshi, nobukhulu obufanele ekugcineni kwedrayivu. Sibamba izikulufu zokujova zibe ±0.001 mm. Isexwayiso esisodwa okufanele sishiwo: isikulufu esigugile sikala sincane kunesishiye efekthri, ngakho-ke ukushintshwa kufanele kwakhelwe kunhloso yedizayini yasekuqaleni kunobukhulu obugugile. Thumela iphethini yokuguga kanye nengxenye, futhi isikulufu esisha sicaciswa ngokumelene nokwehluleka esikhundleni sokusizuza njengefa.
Isiphetho
Imibono emithathu iphethe umhlahlandlela wonke.
Ukukhetha kulandela i-resin.Ijiyomethri (L/D, isilinganiso sokuminyanisa, uhlobo lwesikulufu) ifana nendlela i-polymer yakho encibilika ngayo. Ukwelashwa kwendawo kufana nokuthi isifunzo sakho singcole kangakanani. Ama-resin ahlanzekile asebenza ngenjabulo ku-nitrided 38CrMoAlA. Okuphakelayo okulimazayo nokubolayo kudinga i-bimetallic bore, futhi ukucacisa ikesi elihlanzekile kuyindlela evamile kakhulu yokufa kwesethi entsha kusenesikhathi.
Ukunakekela kuthenga iminyaka, futhi idatha ithenga ukuhlela.Hlanza ngaphambi kokuma ngakunye, hlanza ngethusi kunensimbi, futhi ulinganise indawo lapho isikulufu siphumile. I-wear log iphenduka "igugile?" ibe "izowela nini umugqa?", Okungumehluko phakathi koshintsho oluhleliwe nokuvalwa.
Hlola umshini ngaphambi kokushuna inqubo.Lapho okukhiphayo kwehla, imijikelezo inwetshiwe, umcamelo uyazulazula, noma amachashaza abuya ngemva kokuhlanza, iyunithi yokwenza ipulasitiki iyakhuluma. Izilungiselelo azikwazi ukubuyisela imvume elahlekile noma ukuvala kabusha iringi yesheke egugile. Donsa isikulufu usilinganise.
I-Nanhaiya yakhe izikulufu nemiphongolo iminyaka engaphezu kwamashumi amabili futhi isebenzela amaklayenti angama-500+ emhlabeni jikelele. Izikulufu zethu zomjovo zenziwe ngomshini zisuka ku-38CrMoAlA, ziyacishwa futhi zibambisene, bese zifakwa i-gas-nitrided ku-500–560 °C kuya ku-0.5–0.8 mm case ku-950–1050 HV, ezibanjelwe ekubekezeleni okungu-±0.001 mm, futhi zikalwe ngamahora angu-000-0000-10,0000-10, izinhlaka. Lapho okuphakelayo kuqinile khona, sifafaza ingxubevange eqinile indingilizi egcwele endaweni yokugqoka ye-bore bese sithatha ubulukhuni bangaphakathi bufike ku-62 HRC.
Ngaphambi kokuthi u-ode, onjiniyela bethu basebenza nawe ngamapharamitha: ububanzi, i-aspect ratio, ukujula kwesiteshi ngezikulufu, nokukhetha kokubalulekile phakathi kuka-38CrMoAlA ne-duplex alloy. Lokho kuxoxisana kumahhala, futhi ikhotheshini elandelayo ihlanganisa umkhiqizo, ukuthunyelwa, nezindleko zokunakekela okulindelekile, ngakho-ke akukho lutho oluvela kamuva olwalungekho ekhasini.
Ngemva kokulethwa, ochwepheshe bethu basekela ukufakwa nokugunyazwa, iwaranti isebenza ngenkontileka (ngokuvamile unyaka owodwa kuya kwemibili), futhi noma iyiphi inkinga yangemva kokuthengisa ithola impendulo phakathi kwamahora angu-24 kanye nesixazululo phakathi kuka-48.
Sithumelele imodeli yomshini wakho, inhlaka, kanye nenkinga ozama ukuyixazulula. Uzoba nencazelo kanye nekhwothi phakathi kwamahora ayishumi nambili.
Sitshele umshini wakho, inhlaka yakho, nokuthi yini engahambanga kahle ngesikhathi esidlule. Sizocacisa isethi esiyilungisayo, hhayi leli eliphindayo.
Xhumana no-Nanhaiya ukuze uthole Ingcaphuno
