Khetha ai-i-i-i-i-nitrided umphanda wokujijakwii-resin ezihlambulukileyo, ezingabonakaliyo ezifana ne-PP, i-PE, kunye ne-ABS - ixabisa ngaphantsi kwaye ihlala iminyaka kuloo msebenzi. Khetha ai-i-i-i-i-i-i-i-bimetallic umphanda wokujijaxa uqhuba i-PVC, i-glass-filled, i-flame-retardant, okanye i-recycled material, apho i-alloy layer yayo engqindilili, eqinile ihlala kabini ukuya kathathu ubude. Tshatisa umgqomo kwizinto zakho, hayi kwithegi yexabiso.
Chonga umbhobho ongalunganga kwaye enye yezinto ezimbini iyenzeka. Nokuba uhlawula ngaphezulu umaleko we-alloy inkqubo yakho ayinakuze igxininise, okanye wonge amakhulu ambalwa eedola ngaphambili kwaye ubukele umphanda onexabiso eliphantsi uphela kwiinyanga ezilishumi elinesibhozo-uthatha imveliso yakho kunye nomgangatho wakho wokunyibilika uphantsi ngawo. Sakhe zombini ezi ntlobo isithuba esingaphezulu kweminyaka engamashumi amabini, kwaye umbuzo esiwuva kakhulu kubathengi ngulowo usenokuba ubuza wona ngoku:i-bimetallic vs i-i-i-i-i-nitrided umphanda wokujija, yeyiphi indlela?
Esi sikhokelo sihamba ngomahluko wokwenyani wesinyithi phakathi kwezi zimbini, ixabiso lemathematika eyona nto ibalulekileyo (ingcebiso: ayiloxabiso lesincamathelisi), kunye nendlela elula yokuthatha isigqibo sokuba yeyiphi.umphanda wokujijailingana nomatshini wakho, imathiriyeli yakho, kunye nohlahlo lwabiwo-mali lwakho.
Yintoni i-Nitrided Screw Barrel?
A i-i-i-i-i-nitrided umphanda wokujijaiqala njengentsimbi enye - phantse rhoqo38CrMoAlAkwivenkile yethu - kwaye uqiniswa phezulu kwiziko le-nitriding. Inkqubo isasaza initrogen kwisikhumba sentsimbi kwiqondo lobushushu elilawulwayo kwiiyure ezininzi. Akukho nto yesibini yongezwayo. Intsimbi ikhula ngokulula iqokobhe langaphandle eliqinileyo.
Into ogqiba ngayo kukuqina komphezulu malunga ne-HV 950–1000 kunye nomaleko one-nitrided malunga ne-0.5 ukuya kwi-0.7mm ubunzulu. Elo sikhumba sibhityileyo, siqinile sisusa i-abrasion kwiipholima eziqhelekileyo kwaye sigcina ibhore izinzile, ibaleke emva kokubaleka. Imigqomo ye-nitrided ibe yinto engagqibekanga kumashishini amashumi eminyaka, kwaye ngenxa yesizathu esihle: uqoqosho, ukuqikelelwa, kwaye ngaphezu kokwaneleyo kwi-resin engabonakaliyo, engabonakaliyo njenge-PP, i-PE, kunye ne-ABS.
Ukubamba kubunzulu. Nje ukuba umaleko we-sub-millimeter ugugile-kwaye kwinkqubo yokurhabula iya kuthi - intsimbi ethambileyo engaphantsi ibonakalisiwe, kwaye ukunxiba kuqalisa ukubaleka kuwe.
Yintoni i-Bimetallic Screw Barrel?
A i-i-i-i-i-i-i-i-bimetallic umphanda wokujijaithatha indlela echaseneyo nengxaki yobunzulu. Endaweni yokwenza lukhuni intsimbi enye, idibanisa i-alloy ephezulu kwisiseko esomeleleyo. Isiseko sesinyithi - intsimbi yesakhiwo - ithwala umthwalo kwaye igcina umbhobho uqinile. Umphezulu womsebenzi wangaphakathi ngumaleko ohlukeneyo we-alloy, ngokuqhelekileyo i-nickel-based okanye i-tungsten-carbide-based, idityaniswe kwisiseko ngokuphosa i-centrifugal. Ezi zinyithi zimbini zitshixeka zibe sisiqwenga esinye.
Nantsi into eyenza umahluko: ukuba umaleko okhuselayo uqhuba i-2.0 ukuya kwi-3.0mm ubunzulu, kubunzima be-HRC 60-65. Misela loo nto ecaleni kwesikhumba sesiqingatha-millimeter kwi-barrel ye-nitrided kwaye yonke inqaku iza kugxila. Ukumelana nokunxiba kunwenwele kwindawo engqindilili kakhulu, ngoko ke umphanda ubambe ijometri yawo ixesha elide xa usilwa ne-abrasion okanye i-corrosion. Ifiber yeglasi, ii-mineral fillers, i-halogen-bearing compounds-izinto ezihlafuna kwindawo ene-nitrided-zilapho kanye i-bimetallic layer ifumana khona ukugcina kwayo.
Ayizizo zonke iileya ze-bimetallic ezifanayo, nokuba. I-alloy esekwe kwi-nickel ingqiyame ekuxhathiseni ukubola - ukhetho olufanelekileyo lwe-PVC kunye ne-flame retardants. Umaleko otyebileyo we-tungsten-carbide ungqiyame ekuxhathiseni i-abrasion ekrwada, yiloo nto ifunwa yiglasi-fiber kunye ne-high-mineral compounds. I-alloys esekelwe kwi-iron ihlala phakathi njengendawo ephakathi kweendleko. Ukutshatisa i-alloy kutshaba oluthile-i-corrosion okanye i-abrasion-ibaluleke kakhulu njengokukhetha i-bimetallic kwindawo yokuqala.
I-Bimetallic vs i-Nitrided Screw Barrel: Iiyantlukwano eziphambili
Eyona ndlela ilula yokubona umsantsa kusecaleni. Itheyibhile ibadwelisa kwizinto eziqhuba isigqibo sokuthenga.
| Umba | I-Nitrided Screw Barel | I-Bimetallic Screw Barrel |
|---|---|---|
| Ukwakhiwa | Intsimbi enye (38CrMoAlA), i-surface-nitrided | Isiseko sentsimbi + umaleko odibeneyo we-alloy wangaphakathi |
| Ukuqina komphezulu | HV 950–1000 | HRC 60–65 |
| Ubunzulu bomaleko owenziwe lukhuni | 0.5-0.7mm | 2.0–3.0mm |
| Ukunxiba ukuxhathisa | Ilungile kwii-resin ezingenayo i-abrasive | I-2–5× ubude kwinkonzo yokurhabula |
| Ukumelana nokubola | Ilinganiselwe | Igqwesileyo (i-alloys esekwe kwi-nickel) |
| Izinto ezifanelekileyo ezifanelekileyo | PP, PE, ABS, iikhompawundi eziqhelekileyo | I-PVC, i-fiber yeglasi, i-flame-retardant, ihlaziywe, i-high-filler |
| Iindleko zokuqala | Ngasezantsi | Phezulu |
| Ixabiso lilonke lobunini | Iphezulu kwinkonzo efunwayo | Iphantsi kwinkonzo enzima |
Inani leeprosesa ezininzi ezilungiswayo bubomi benkonzo, kwaye kufanelekile. Phantsi kweemeko ezifanayo, ai-i-i-i-i-i-i-i-bimetallic umphanda wokujijangokwesiqhelo ibaleka kabini ukuya kathathu ubude kune nitrided one. Tyhala kwizicelo ezohlwaya ngokwenene - iPVC ephezulu yokuzalisa, iikhompawundi eziqiniswe ngeglasi - kwaye umsantsa uyanda ngakumbi. Kukho i-engile yokubola kwakhona: xa uqhuba i-PVC okanye i-retardant-retardant resins, izinto eziphathekayo zikhupha iikhompawundi ezihlasela umphezulu we-nitrided. I-nickel-based bimetallic layer ayikhathali.
Unokukhetha nini i-Nitrided Screw Barrel
A i-i-i-i-i-nitrided umphanda wokujijangumnxeba ochanekileyo rhoqo kunokuba umthengisi wezixhobo uya kuvuma. Qhuba i-thermoplastics ecocekileyo, engagcwaliswanga - i-PP eyintombi, i-PE, i-PS, i-ABS - ingenalo i-fiber yeglasi, i-mineral filler, i-additives e-corrosive, kunye ne-nitrided layers iya kukunika iminyaka yenkonzo ezinzileyo kwixabiso eliphantsi ngokuphawulekayo.
Kwakhona kunengqiqo xa uhlahlo lwabiwo-mali luqinile, xa umatshini ugijima kwiindawo zokumisa kwaye uqala kunokuba ujikeleze iwashi, okanye xa ubeka umgca onokuthi umxube wemveliso utshintshe ngaphambi kokuba umgqomo uphele. NgomgangathoIsikrufu sokubumba isitofuukuqhuba i-resin yempahla, ukuhlawula okongeziweyo kwi-bimetallic layer awusoze ucinezelekile bubunjineli obungaphezulu nje. Sukuyenza.
Unokukhetha nini i-Bimetallic Screw Barrel
Umzuzu wokugqabhuka okanye ukubola kungena emfanekisweni, ai-i-i-i-i-i-i-i-bimetallic umphanda wokujijaufumana ixabiso layo eliphezulu. Finyelela kuyo ukuba ulungisa nayiphi na kwezi: iikhompawundi zeglasi-fiber-reinforced, calcium-carbonate okanye i-talc-filled formulations,PVC eqinile, iintlaka ezikwaziyo ukumelana nomlilo, okanye iiplastiki ezisetyenzisiweyo ezithwala igrit nezinto ezingcolisayo.
Ikwayinto ekrelekrele yokuthenga imigca yemveliso ephezulu ehamba rhoqo, apho indawo yokumisa engacwangciswanga yokutshintsha umphanda ogugileyo ibiza ngaphezulu kakhulu kunomphanda ngokwawo. Siye sabona i-high-calcium PVC extrusion - malunga nokuba nzima kwi-barrel njengoko ifumana - apho ishukuthela kwindawo efanelekileyo ye-alloy layer ubomi benkonzo eyandisiweyo ngaphezu kwe-30% ngokumalunga nokuseta i-nitrided, ngelixa igxininise uxinzelelo kunye nokusika i-scrap. Xa isicelo sifunwa ngokwenene, i-bimetallic layer iyayeka ukuba yinto yokunethezeka. Yinto egcina umgca ukwi-spec.
Uthelekiso lweendleko: Ixabiso lokuqala vs Iindleko zizonke zobunini
Ithuku lokuthelekisa amaxabiso ezincamathelisi yeyona nto ikhokelela kwizigqibo ezimbi zombhobho wesikrufu. I-nitrided barrel iphumelele ngosuku lokuqala. Ai-i-i-i-i-i-i-i-bimetallic umphanda wokujijaidla ngokuphumelela ubomi bomatshini - kodwa kwisicelo esifanelekileyo kuphela.
Ngoko sebenzisa elinye inani: ixabiso lilonke lobunini. Umgqomo we-nitrided kwinkqubo yokukrala unokufuna ukutshintshwa kwiinyanga ezili-12 ukuya kwezili-18, kwaye yonke indawo irhuqa kunye ne-teardown labor, imveliso elahlekileyo, kunye ne-scrap yokuqalisa ngaphezulu kwexabiso lenxalenye. Umphanda we-bimetallic kwakule nkqubo inye unokubaleka amaxesha amaninzi ubude, usasaza ixabiso lawo eliphezulu ngaphezulu kwiiyure ezininzi zokuvelisa. Ixabiso lokuqala eliphezulu, ixabiso eliphantsi lobomi.
Ngoku yijike. Beka umgqomo we-bimetallic kumgca we-PE ococekileyo kwaye awuze ufumane ithuba lokuzihlawulela ngokwawo - i-nitrided barrel iphumelele kuzo zombini ixabiso kunye neendleko zokuphila, kuba akukho nto kuloo nkqubo igxininisa i-alloy. Ingqiqo efanayo, impendulo echasayo. Isixhobo siyagqiba.
Ungasigqiba njani isicelo sakho
Yiphendule imibuzo emithathu.
Okokuqala - ingaba impahla yakho ibolile okanye iyonakalisa?Ifiber yeglasi, iiminerali fillers, iPVC, iiretardants zomlilo, ukutya okuhlaziyiweyo: zonke zikhomba kwibimetallic. Izinto ezicocekileyo ze-resin zikhomba kwi-nitrided.
Okwesibini — uqine kangakanani umgca?Imveliso eqhubekayo, ephezulu, ejikeleza-ngexesha ivuza ubomi obude ai-i-i-i-i-i-i-i-bimetallic umphanda wokujija. Ukuqhuba okwethutyana okanye okuphantsi kwevolyum kuthanda ixabiso eliphantsi le-nitriding.
Okwesithathu - ixesha lokuphumla lixabisa ntoni?Ukuba utshintsho olungacwangciswanga lomgqomo luthetha ukuba ishedyuli imile kwaye iphoswe ekuhanjisweni, ipremiyamu yokuqina yi-inshurensi etshiphu. Ukuba unokucwangcisa utshintsho, imathematika ibuyela umva ukuya kwi-nitrided.
Phendula abo bathathu ngokunyanisekileyo kwaye ukhetho ludla ngokubonakala. Ukuba akunjalo, thetha nomboneleli owakha zombini kwaye angayenza imodeli ngokuchasene nekhompawundi yakho kanye - ingenguye lowo ushiyeka kwinxalenye yexabiso kuba inomda omkhulu.
Iimpazamo eziqhelekileyo Xa ukhetha i-Screw Barrel
Ezine zivela kwakhona kwaye kwakhona kwimibuzo ehlala phezu kwedesika yethu.
Ukuthenga ngexabiso lesincamathelisi kuphela.Owona mphanda unexabiso eliphantsi namhlanje awufane ube ngowona mphanda unexabiso eliphantsi kwiminyaka emithathu. Qhuba ixabiso lilonke lobunini, ingakumbi kwimigca abrasive - inxalenye ixabiso kuphela inani lokuqala.
Ukujonga ngaphezulu kwe-bimetallic yomgca ococekileyo.Umgqomo we-bimetallic kwi-PP eyintombi okanye i-PE yimali echithwe ekukhuseleni akukho nto kwinkqubo eya kuvavanya. Yigcinele umsebenzi oyidingayo.
Ukubuyisela umphanda kodwa uphinde usebenzise isikrufu esigugileyo.I-screw kunye nebhere isebenza njengesibini esihambelanayo. Lahla umphanda omtsha ujikeleze isikrufu esidiniweyo kwaye imvume ayilunganga ukusuka kusuku lokuqala-imveliso iyasokola kwaye umphanda omtsha unxiba ngokungafaniyo. Zihlole zombini; buyisela zombini xa amanani esitsho.
Ukukhetha i-bimetallic ngaphandle kokuhambelana ne-alloy.Umaleko otyebileyo wenikeli ulwa nomhlwa; umaleko otyebileyo we-tungsten-carbide ulwa ne-abrasion. Cacisa utshaba onalo ngokwenene, hayi nje "bimetallic" kwi-abstract.
Kutheni usebenza noNanhaiya
Sichithe ngaphezulu kweminyaka engamashumi amabini sisenza imigqomo yezikrufu - kwaye kuphela imiphanda yesikrufu kunye nezikrufu ezihamba ngaphakathi kuyo.Isikrufu esinye, isikrufu sewele esinxuseneyo,I-I-conical twin screw. Siyinqumle zombini i-nitrided kunye ne-bimetallici-i-extruder umphanda wokujijaIindibano ezisuka kwiprimiyamu 38CrMoAlA kunye neealloyi ezilungiselelweyo, ngaphakathi endlwini, seso sizathu sokuba iinjineli zethu zikuxelele ulwakhiwo olufunwa yinkqubo yakho endaweni yaleyo kulula ukuyithengisa.
Yonke i-barrel ishiya umgangatho kunye nejometri elawulwa ngokunyamezela kunye nokuvavanya ukulinganisa okuguquguqukayo. Ijometri, ubunzima, ukuvela-zonke zinokulungelelaniswa nomatshini wakho kunye nemathiriyeli yakho.
Sixelele i-resin yakho kunye ne-specs zoomatshini - fumana isincomo se-screw barrel eyenzelwe wena kwiiyure ezili-12.
Thumela uMbuzoImibuzo ebuzwa qho
Ngaba i-bimetallic screw barrel ihlala ingcono kune-nitrided?
Hayi. Ai-i-i-i-i-i-i-i-bimetallic umphanda wokujijawinile kwizicelo ezirhabaxa nezidlekayo, kodwa kucoceko, iireyini ezingagcwaliswanga njengePP okanye PE, ai-i-i-i-i-nitrided umphanda wokujijaikunika ubomi obuninzi benkonzo ngexabiso eliphantsi. "Kungcono" kuxhomekeke ngokupheleleyo kwinto oyilungisayo.
Ngaba i-bimetallic barrel ingathatha indawo yam ye-nitrided barrel ekhoyo?
Kwiimeko ezininzi, ewe - okoko nje imilinganiselo ihambelana ne-extruder yakho okanye umatshini wokubumba wenaliti, uyilo lwesijija lulungele imathiriyeli yakho, kwaye uhlengahlengisa iiparamitha zakho zokusetyenzwa ukuze zilungele. Sithumele iinkcukacha kwaye siya kuqinisekisa ukufaneleka.
Ingaba i-bimetallic screw barrel ihlala ixesha elingakanani?
Phantsi kweemeko ezifanayo, ubude obuphindwe kabini ukuya kathathu kunombhobho we-nitrided - kunye nomphetho omkhulu ngakumbi kumsebenzi onobungozi obufana neglasi-ezaliswe yiglasi okanye iikhompawundi zokuzalisa okuphezulu.
Yiyiphi eyona nto ingcono kwi-PVC extrusion?
Bimetallic. I-PVC eqinile kunye ne-retardant-retardant resins zikhupha i-corrosive compounds njengoko ziqhuba, kwaye i-alloy layer ye-nickel-based alloy layer imelana nokuhlaselwa kweekhemikhali ezonakalisa i-nitrided surface.
Uthini umahluko wexabiso phakathi kwezi zimbini?
Umphanda we-nitrided ubiza kancinci ngaphambili; i-bimetallic barrel iyalela iprimiyamu yomaleko wayo ongqindilili wealloyi. Uthelekiso olubalulekileyo lixabiso lilonke lobunini - kwizicelo ezifunwayo, ubomi obude bomgqomo we-bimetallic buwenza lolona khetho lungabizi kakhulu kubomi bomatshini.
