Khetha ai-i-i-i-i-nitrided isikulufu umphongolokuma-resin ahlanzekile, angahubi njenge-PP, PE, ne-ABS — kubiza kancane futhi kuhlala iminyaka kulowo msebenzi. Khetha ai-i-i-i-i-i-i-i-bimetallic isikulufu umphongolouma usebenzisa i-PVC, ingilazi egcwele ingilazi, i-flame-retardant, noma into egaywe kabusha, lapho ungqimba lwalo oluqinile, oluqinile luhlala isikhathi eside kabili ukuya kwezintathu. Qondanisa umgqomo nezinto zakho, hhayi nenani lentengo.
Khetha i-screw barrel engalungile bese kwenzeka into eyodwa kwezimbili. Kuphakathi kokuthi ukhokha ngokweqile ungqimba lwengxubevange inqubo yakho ayikaze igcizelele, noma wonga amakhulu ambalwa amadola ngaphambili bese ubuka umgqomo oshibhile uguga ezinyangeni eziyishumi nesishiyagalombili - wehlisa okukhiphayo kanye nekhwalithi yakho encibilikayo phansi nakho. Sakhe zombili izinhlobo iminyaka engaphezu kwamashumi amabili, futhi umbuzo esiwuzwa kakhulu kubathengi yilowo okungenzeka ukuthi uwubuza njengamanje:i-bimetallic vs i-i-i-i-i-nitrided isikulufu umphongolo, iyiphi indlela okufanele uhambe ngayo?
Lo mhlahlandlela uhamba ngomehluko wangempela we-metallurgical phakathi kwakho kokubili, izibalo zezindleko ezibalulekile (iseluleko: akuyona intengo yesitikha), kanye nendlela elula yokunquma ukuthi iyiphiisikulufu umphongolokufanela umshini wakho, impahla yakho, kanye nesabelomali sakho.
Iyini I-Nitrided Screw Barrel?
A i-i-i-i-i-nitrided isikulufu umphongoloiqala njengocezu olulodwa lwensimbi - cishe njalo38CrMoAlAesitolo sethu - futhi iba lukhuni ebusweni esithandweni se-nitriding. Inqubo isakaza i-nitrogen esikhumbeni sensimbi ezingeni lokushisa elilawulwayo emahoreni amaningi. Akukho lutho lwesibili olungeziwe. Insimbi imane ikhule igobolondo langaphandle eliqinile.
Ogcina usunakho ubulukhuni bobuso obuzungeze i-HV 950–1000 kanye nongqimba lwe-nitrided olucishe lube ngu-0.5 kuya ku-0.7mm ukushona. Leso sikhumba esincanyana, esiqinile sisusa ukuhuzuka kuma-polymer ajwayelekile futhi sigcine i-bore izinzile, igijima ngemva kokugijima. Imiphongolo ye-Nitrided ibe yinto ezenzakalelayo embonini amashumi eminyaka, futhi ngesizathu esihle: ukonga, ukubikezelwa, futhi ngaphezu kokwanele kuma-resin angaboli, angagqwali njenge-PP, PE, ne-ABS.
Ukubamba ukujula. Uma leso singqimba se-sub-millimeter sesigugile - futhi ngenqubo yokugwaza sizokwenza - insimbi ephansi ethambile ngaphansi ivezwe, futhi ukuguga kuqala kukubalekela.
Iyini i-Bimetallic Screw Barrel?
A i-i-i-i-i-i-i-i-bimetallic isikulufu umphongoloithatha indlela ephambene nenkinga yokujula. Esikhundleni sokuqinisa insimbi eyodwa, ihlanganisa ingxubevange esebenza kahle esisekelweni esiqinile. Isisekelo sensimbi - insimbi yesakhiwo - ithwala umthwalo futhi igcina umgqomo uqinile. Indawo engaphakathi yokusebenza iyisendlalelo se-alloy esihlukile, ngokuvamile esisekelwe ku-nickel noma i-tungsten-carbide-based, ehlanganiswe nesisekelo ngokusakazwa kwe-centrifugal. Izinsimbi ezimbili zikhiya ngensimbi zibe yisiqephu esisodwa.
Nakhu okwenza umehluko: lolo ngqimba oluvikelayo lujula ngo-2.0 kuye ku-3.0mm, ngobulukhuni be-HRC 60–65. Setha lokho eduze kwesikhumba se-millimeter emgqonyeni we-nitrided futhi lonke iphuzu liyagxila. Ukumelana nokugqoka kusabalale endaweni ejiyile kakhulu, ngakho umgqomo ubamba ijometri yawo isikhathi eside uma ulwa nokuhuzuka noma ukugqwala. Ifayibha yengilazi, izigcwalisi zamaminerali, izinhlanganisela ezithwala i-halogen - izinto ezihlafuna endaweni ene-nitrided - yilapho kanye ungqimba lwe-bimetallic lugcina khona.
Akuzona zonke izendlalelo ze-bimetallic ezifanayo, noma. I-alloy esekelwe ku-nickel incike ekumelaneni nokugqwala - ukukhetha okulungile kwe-PVC nama-flame retardants. Isendlalelo esicebile nge-tungsten-carbide sincike ekumelaneni ne-abrasion eluhlaza, okuyilokho okufunwa yi-glass-fiber kanye ne-high-mineral compounds. Ama-alloys asekelwe ku-ayina ahlala phakathi njengendawo emaphakathi ekhathalela izindleko. Ukufanisa ingxubevange nesitha esithile - ukugqwala noma ukuhuzuka - kubaluleke kakhulu njengokukhetha i-bimetallic kwasekuqaleni.
I-Bimetallic vs Nitrided Screw Barrel: Umehluko Obalulekile
Indlela elula yokubona igebe iwuhlangothi. Ithebula liwabeka ezicini eziqhuba isinqumo sokuthenga.
| Isici | I-Nitrided Screw Barrel | I-Bimetallic Screw Barrel |
|---|---|---|
| Ukwakha | Insimbi eyodwa (38CrMoAlA), i-surface-nitrided | Insimbi eyisisekelo + isendlalelo sangaphakathi sengxubevange ehlanganisiwe |
| Ukuqina kobuso | I-HV 950–1000 | HRC 60–65 |
| Ukujula kwesendlalelo esiqinile | 0.5–0.7mm | 2.0–3.0mm |
| Ukugqoka ukumelana | Ilungele ama-resin angawabi | 2–5× ubude kusevisi ye-abrasive |
| Ukumelana nokugqwala | Inomkhawulo | Kuhle kakhulu (ama-alloys asekelwe ku-nickel) |
| Izinto ezilingana kahle kakhulu | PP, PE, ABS, compounds standard | I-PVC, i-glass fiber, i-flame-retardant, igaywe kabusha, isigcwalisi esiphezulu |
| Izindleko zokuqala | Phansi | Phezulu |
| Izindleko eziphelele zobunikazi | Iphezulu enkonzweni edinga kakhulu | Isevisi ephansi enesidingo |
Inombolo iningi lamaphrosesa alungiswa kuyo impilo yesevisi, futhi kufanele. Ngaphansi kwezimo ezifanayo, ai-i-i-i-i-i-i-i-bimetallic isikulufu umphongolongokuvamile igijima kabili noma kathathu ubude kune-nitrided. Phusha ezinhlelweni ezijezisa ngempela - i-PVC yokugcwalisa okuphezulu, izinhlanganisela eziqiniswe ngengilazi - futhi igebe liya ngokuya likhula. Kukhona futhi i-engeli yokugqwala: lapho ucubungula i-PVC noma ama-resin abushela ilangabi, izinto ezisetshenziswayo zikhipha izinhlanganisela ezihlasela ngamakhemikhali indawo ene-nitrided. Ungqimba lwe-bimetallic olusekelwe ku-nickel alunandaba.
Ungakhetha Nini I-Nitrided Screw Barrel
A i-i-i-i-i-nitrided isikulufu umphongoloucingo olulungile kaningi kunalokho umthengisi wemishini azovuma. Qalisa ama-thermoplastics ahlanzekile, angagcwalisiwe - i-PP emsulwa, i-PE, i-PS, i-ABS - engenawo umcu wengilazi, ungenawo ukugcwalisa amaminerali, ungekho izithasiselo ezibolayo, futhi lolo ngqimba oluncane lwe-nitrided luzokunikeza iminyaka yesevisi ezinzile ngentengo ephansi ngokuphawulekayo.
Kubuye kube nengqondo uma isabelomali siqinile, lapho umshini usebenza endaweni yokuma futhi uqala kunokuba ubusuku nemini, noma uma usetha ulayini okuhlanganiswa komkhiqizo wawo kungase kushintshe ngaphambi kokuba umgqomo uguge. Okwesilinganisoisikulufu sokubumba umjovoukusebenzisa i-resin yezimpahla, ukukhokha okungeziwe kungqimba lwe-bimetallic ongasoze wagcizelela kuwubunjiniyela obudlulele. Ungakwenzi.
Ungakhetha Nini I-Bimetallic Screw Barrel
Umzuzu lapho ukuhuzuka noma ukugqwala kungena esithombeni, ai-i-i-i-i-i-i-i-bimetallic isikulufu umphongoloizuza inani layo eliphezulu. Finyelela kukho uma ucubungula noma yikuphi kwalokhu: inhlanganisela ye-glass-fiber-reinforced, i-calcium-carbonate noma ukwakheka okugcwele i-talc,i-PVC eqinile, ama-resin anqanda amalangabi, noma amapulasitiki agaywe kabusha athwala inhlaka nokungcola.
Futhi kuwukuthenga okuhlakaniphile kwemigqa ephumayo ephezulu esebenza ngokuqhubekayo, lapho isitobhi esingahleliwe sokushintsha umgqomo osugugile kubiza kakhulu kunomphongolo ngokwawo. Sibone i-calcium PVC extrusion ephezulu - ecishe ibe nzima emgqonyeni njengoba ifika - lapho ithuthela endaweni efanele ye-alloy impilo yesevisi eyandisiwe ngaphezu kuka-30% ngokumelene nokusetha okune-nitrided, kuyilapho kugxiliswa ukucindezela kokuncibilika nokusika izingcucu. Uma uhlelo lokusebenza lufuna ngempela, ungqimba lwe-bimetallic luyayeka ukuba ukunethezeka. Yilokho okugcina umugqa ucacile.
Ukuqhathaniswa Kwezindleko: Intengo Yokuqala vs Isamba Sezindleko Zobunikazi
Umzwelo ongokwemvelo wokuqhathanisa amanani esitika yiwo kanye okuholela ezinqumweni ezimbi zemiphongolo yesikulufa. Umgqomo we-nitrided uyawina ngosuku lokuqala. Ai-i-i-i-i-i-i-i-bimetallic isikulufu umphongolongokuvamile iwina phezu impilo yomshini — kodwa kuphela isicelo esifanele.
Ngakho sebenzisa enye inombolo: izindleko eziphelele zobunikazi. Umgqomo we-nitrided ohlelweni oluqhumayo ungase udinge ukushintshwa ngezinyanga eziyi-12 kuye kweziyi-18, futhi yonke into eshintshwayo idonsa umsebenzi we-teardown, ukukhiqizwa okulahlekayo, kanye nezinhlamvu zokuqalisa phezu kwengxenye yezindleko. Umgqomo we-bimetallic kuleyo nqubo efanayo ungasebenza isikhathi eside izikhathi ezimbalwa, usakaza izindleko zawo zangaphambili eziphezulu kuwo wonke amahora amaningi kakhulu okukhiqiza. Intengo yokuqala ephezulu, izindleko zokuphila eziphansi.
Manje yiphenye. Faka umgqomo we-bimetallic kulayini we-PE ohlanzekile futhi awulokothi ulithole ithuba lokuzikhokhela wona - umgqomo we-nitrided uwina kukho kokubili amanani kanye nezindleko zokuphila, ngoba akukho lutho kuleyo nqubo olugcizelela ingxubevange. Umqondo ofanayo, impendulo ephambene. Indaba iyanquma.
Ungasinquma kanjani isicelo sakho
Yiphendule imibuzo emithathu.
Okokuqala - ingabe impahla yakho iyaluma noma iyagqwala?Ifayibha yengilazi, izigcwalisi zamaminerali, i-PVC, izinqamuli zomlilo, imfuyo egaywe kabusha: konke kukhomba ku-bimetallic. I-resin yempahla ehlanzekile ikhomba ku-nitrided.
Okwesibili - ulayini usebenza kanzima kangakanani?Ukukhiqiza okuqhubekayo, okuphezulu, ubusuku nemini kuklomelisa impilo ende ye-i-i-i-i-i-i-i-i-bimetallic isikulufu umphongolo. Ukugijima okuhamba kancane noma kwevolumu ephansi kuthanda izindleko eziphansi ze-nitriding.
Okwesithathu - isikhathi sokuphumula sikubiza malini?Uma ushintsho olungahleliwe lombhobho lusho ishejuli emile kanye nokulethwa okugejiwe, iprimiyamu yokuqina iwumshuwalense oshibhile. Uma ungakwazi ukuhlela ukushintsha, izibalo zitshekela emuva ku-nitrided.
Phendula labo abathathu ngokwethembeka futhi ukukhetha ngokuvamile kusobala. Uma kungenjalo, khuluma nomphakeli owakha kokubili futhi angakwazi ukukumodela ngokumelene nenhlanganisela yakho ngqo - hhayi lowo okufaka engxenyeni ebiza kakhulu ngenxa yokuthi inomkhawulo omkhulu.
Amaphutha Avamile Lapho Ukhetha I-Screw Barrel
Ezine zivela kaningi emibuzweni ehlala etafuleni lethu.
Ukuthenga ngentengo yesitikha kuphela.Umgqomo oshibhe kakhulu namuhla akuvamile ukuba ube umgqomo oshibhe kakhulu phakathi neminyaka emithathu. Sebenzisa isamba sezindleko zobunikazi, ikakhulukazi emigqeni elimazayo - ingxenye yentengo iyinombolo yokuqala kuphela.
Ukucacisa ngaphezulu kwe-bimetallic yomugqa ohlanzekile.Umgqomo we-bimetallic ku-PP oyintombi noma i-PE yimali esetshenziselwa ukuvikela akukho lutho ohlelweni oluyoke luhlolwe. Ilondolozele umsebenzi oyidingayo.
Ukushintsha umgqomo kodwa kuphinde kusetshenziswe isikulufu esigugile.Isikulufu nomgqomo kusebenza njengepheya efanisiwe. Beka umgqomo omusha eduze kwesikulufu esikhathele futhi imvume ayilungile kusukela osukwini lokuqala - okukhiphayo kuyalimaza futhi umgqomo omusha ugqoka ngokungafani. Hlola kokubili; buyisela kokubili uma izinombolo zisho njalo.
Ukukhetha i-bimetallic ngaphandle kokufanisa i-alloy.Ungqimba olunothe nge-nickel lulwa nokugqwala; ungqimba olucebile nge-tungsten-carbide lulwa nokuhuzuka. Cacisa isitha onaso ngempela, hhayi nje "i-bimetallic" ku-abstract.
Kungani Usebenza NoNanhaiya
Sichithe iminyaka engaphezu kwamashumi amabili senza ama-screw barrel - kanye nemiphongolo yesikulufu kuphela nezikulufu ezigijima ngaphakathi kwayo.Isikulufu esisodwa, isikulufu samawele ahambisanayo,i-i-conical twin screw. Sinquma kokubili i-nitrided ne-bimetallicextruder screw umphongoloama-assemblies avela ku-premium 38CrMoAlA nama-alloys ahlanganisiwe, endlini, okuyisizathu onjiniyela bethu bengakutshela ukwakhiwa okudingwa yinqubo yakho esikhundleni saleyo okulula ukuyithengisa.
Wonke umgqomo ushiya phansi nejiyomethri elawulwa ukubekezelelana kanye nokuhlolwa kwebhalansi okuguquguqukayo. Ijiyomethri, ubulukhuni, ukuvela phezulu - konke kungafanelana nomshini wakho nezinto zakho ezibonakalayo.
Sitshele imininingwane yakho ye-resin nemishini — thola isincomo se-screw barrel esiklanyelwe phakathi kwamahora angu-12.
Thumela Uphenyoimibuzo ejwayelekile ukubuzwa
Ingabe i-bimetallic screw barrel ihlala ingcono kune-nitrided?
No. Ai-i-i-i-i-i-i-i-bimetallic isikulufu umphongoloiwina kuzinhlelo zokusebenza ezihugayo nezidlayo, kodwa kuma-resin ahlanzekile, angagcwalisiwe njenge-PP noma i-PE,i-i-i-i-i-nitrided isikulufu umphongoloikunikeza impilo yesevisi eningi ngenani eliphansi. "Okungcono" kuncike ngokuphelele kulokho okucubungulayo.
Ingabe i-bimetallic barrel ingangena esikhundleni somgqomo wami we-nitrided okhona?
Ezimweni eziningi, yebo - inqobo nje uma ubukhulu bufana ne-extruder yakho noma umshini wokubumba umjovo, idizayini yesikulufu ifanela impahla yakho, futhi ulungisa amapharamitha akho okucubungula ukuze afanele. Sithumele imininingwane futhi sizoqinisekisa ukulingana.
I-bimetallic screw barrel ihlala isikhathi esingakanani?
Ngaphansi kwezimo ezifanayo, ubude obuphindwe kabili kuya kokuthathu kunomphongolo one-nitrided - ononqenqema olukhudlwana emsebenzini olimazayo njengezinhlanganisela ezigcwele ingilazi noma ezigcwaliswa kakhulu.
Yikuphi okungcono kwe-PVC extrusion?
I-Bimetallic. I-PVC eqinile kanye nezinsalela ezinganqamuki ilangabi zikhipha izinhlanganisela ezibolayo njengoba zisebenza, futhi ungqimba lwengxubevange olusekelwe ku-nickel lumelana nokuhlasela kwamakhemikhali okona indawo ene-nitrided.
Uyini umehluko wentengo phakathi kwakho kokubili?
Umgqomo we-nitrided ubiza kancane ngaphambili; umphongolo we-bimetallic uyala i-premium ngongqimba lwawo lwe-alloy owugqinsi. Ukuqhathanisa okubalulekile yizindleko eziphelele zobunikazi - ezicelweni ezifunayo, impilo ende yomgqomo we-bimetallic kwenza kube ukukhetha okushibhile ngesikhathi sokuphila komshini.
