Chidimbu chemhete ndicho chinhu chikuru mugayo remapellet. Kuumbwa kwaro uye hunhu hwekugadzira zvinosarudza zvakananga hunhu hwepellet, kugona kwayo kugadzira, kushandiswa kwesimba, uye chiyero chakakosha chemutengo patani. Kana chidimbu chemhete chikasakara nguva isati yakwana, chichivhara kakawanda, kana kugadzira mapellet asina kugadzikana, chikonzero chikuru chinowanzo dzokera kumashure kusarudzo yezvinhu kana nzira dzekugadzira. Chinyorwa chino chinoongorora mhando mbiri dzezvinhu zvemhete zvinoumba simbi isina tsvina inonzi martensitic stainless steel (X46Cr13/4Cr13) uye simbi yealloy (20CrMnTi) uye maitiro ekugadzira anoshandura hunhu hwezvinhu kuita mashandiro.
Nei Ring Die Material Ichikosha
Munguva yekugadzira pellet, ring die inoshanda panguva imwe chete nekumanikidzwa kwakanyanya, kukweshana kwakanyanya, uye kumanikidzwa kwemuchina. Feed mash inomanikidzwa nepakati pemaburi edie nema press rollers ukuwo utsi, hunyoro, zvicherwa, uye zvinhu zvinogumbura zvichiramba zvichishanda pamusoro pebasa nemadziro emaburi. Kusasarudzwa zvakanaka kwezvinhu kunogona kukonzera matambudziko akawanda: kukurumidza kupera maburi, kudzikira kwekumanikidzwa, kudzikira kwekuoma kwepellet, kuvharika kwemaburi kakawanda, kukwira kwenzvimbo yemukati, uye njodzi yakakura yekutsemuka [1].
Dambudziko rehupfumi rakakosha. Die inodhura zvishoma inoda kuchinjwa kakawanda, inokonzera kushaya nguva yakawanda yekushanda, kana kuderedza kunaka kwepellets inodhura zvakanyanya pamutengo wekuva muridzi wayo kupfuura dies yepamusoro ine hupenyu hwakareba hwekushanda.
Mhuri dzezvinhu zvenyama: Pfupiso yekuenzanisa
Indasitiri ye ring die inonyanya kushandisa zvikamu zviviri zvezvinhu, ine sarudzo inotungamirirwa nekugadzirwa kwechikafu, mamiriro ekushanda, uye njodzi yekuora.
Chikamu chekutanga iMartensitic Stainless Steel, ine mhando dzakajairika dzinosanganisira X46Cr13 ne4Cr13, zvichiita kuti hunyoro hweHRC 52 60 huve hwakasimba. Simba guru rinosanganisira kuomarara kwakanyanya, kuramba ngura, uye kugara kwenguva refu. Muganho mukuru ndewemutengo wakakwira weyuniti. Mashandisirwo akajairika anosanganisira huku, chikafu chemumvura, uye maformula anopfekwa zvakanyanya.
Chikamu chechipiri iAlloy Steel, ine magiredhi akajairika anosanganisira 20CrMnTi, 40Cr, uye 42CrMo, zvichiita kuti HRC 55 60 ive yakaoma. Simba guru rinosanganisira kusimba kwakanaka, mitengo isingadhuri, uye simba rakanaka remakanika. Dambudziko guru nderekudzikira kwekusasimba kwengura. Mashandisirwo akajairika anosanganisira huku, zvipfuyo, uye biomass yakajairwa. Sources: [1], [2].
X46Cr13 / 4Cr13: Muyero weIndasitiri wePremium Ring Dies
X46Cr13 (DIN 1.4034, zita rechiChinese rekuti 4Cr13) isimbi isingatsvedzeri yakagadzirwa nemartensitic uye chinhu chinoshandiswa zvakanyanya pakugadzira mhete dzemhando yepamusoro dzinofa. Kutonga kwayo hakusi kwetsaona asi kunobva pakuenzana kwakanaka kwehunhu.
Kuomarara. Mushure mekurapa kupisa kwevacuum, X46Cr13 inosvika HRC 52 60 panzvimbo yekushanda uku ichiramba yakasimba zvakakwana. Semuenzaniso, Shanbao magadzirirwo akagadzirirwa HRC 52 55, nepo Hongyang's premium dies inosvika HRC 58 60 kuburikidza ne optimized vacuum hardening [2], [3].
Kuramba Kuora. Chromium (inenge 13%) inopa simba riri nani pakudzivirira hunyoro, utsi, uye zvinhu zvinokanganisa kudya kupfuura simbi dzesimbi. Kune mafomura ekudya kwemvura ane hunyoro hwakawanda, kana kumagayo anoshanda munzvimbo dzine hunyoro, simba iri rekudzivirira ngura rinowedzera hupenyu hwekufa [1].
Kusapfeka. Musanganiswa wehuwandu hwekabhoni yakawanda uye chromium carbides inogadzirwa panguva yekupisa inogadzira nzvimbo isingapfeki iyo inochengetedza maburi panguva yekugadzirwa kwenguva refu. Mukuenzanisa, X46Cr13 ring dies inogara ichikunda alloy steel dies muzvikafu zvehuku zvakapfekwa zvakanyanya uye zvekudya zvemumvura [1].
Mutemo Wekusarudza Unoshanda. Kune zvigayo zvekudyisa chikafu uko nzira huru yekukundikana iri kusakara kwemaburi, kuora kwemukati memusoro, kana kurasikirwa nehukuru pane ngura yemakemikari X46Cr13 ndiyo sarudzo yakasimba yezvinhu zvese. Chidzidzo cheHongyang Kazakhstan chakanyora hupenyu hwebasa re ring die hwemaawa 880 (kubva pamaawa 600 pamuchina wakatsiviwa) nemadi eX46Cr13 akafanana, zvichiratidza kuvandudzika kwe46.7% [3].
20CrMnTi Alloy Steel: Bhiza Rinoshanda Zvishoma.
20CrMnTi isimbi inoshandiswa zvakanyanya mukugadzira ring dies muhuku, zvipfuyo, uye mune zvimwe zvinoshandiswa mu biomass uko njodzi yekuora yakaderera uye chiyero chemutengo-kushanda ndicho chinonyanya kufungwa nezvacho.
Kusimba. 20CrMnTi inopa kusimba kwakanaka, uko kunobatsira kana pellet mill ichishanda pasi pemutoro unochinja-chinja, kana mafomura ekudyisa aine zvidimbu zvakakora, kana kana kugadzirisa maroller kusingagone kugara kwakanyatsonaka [1].
Kuomarara. Mushure mekudzima uye kudzima, 20CrMnTi inosvika HRC 55 60 pamusoro nepakati pakasimba. Musanganiswa uyu unodzivirira kusakara kwepasi uku uchitora zvinhu zvinogona kupwanya zvinhu zvisina kusimba [2].
Data reHupenyu hweSevhisi. Mukushanda mumunda, 20CrMnTi ring dies inosvika maawa 2,000 kusvika 3,000 pakudya kwehuku kwakajairika kwakagadzirwa nezviyo uye maawa 1,200 kusvika 1,800 pakugadzirwa kwepellet yehuni ine abrasion iri pakati nepakati. Pazvinhu zvinokwesha zvakanyanya zvakaita sehuku remupunga (Mohs hardness 7 nekuda kwehuwandu hwesilica), hupenyu hwese hwebasa hunogona kudzikira kusvika maawa 800 kusvika 1,500 [4].
Zvipingamupinyi. Kusasimba kukuru ndiko kuramba ngura. Mumagadzirirwo ane hunyoro hwakawanda, munyu, kana zvinhu zvine acidic, 20CrMnTi inogona kubatwa nengura uye kurwiswa nemakemikari izvo zvinokanganisa maburi, zvichiwedzera kukweshana, zvichideredza simba remushonga, uye zvinopfupikisa hupenyu hwebasa rinoshanda pasinei nekupfeka kwemuchina [1].
Zvinhu Hazvina Kukodzera Kushandiswa KwemaRing Emhando Yepamusoro
Zvakakosha kujekesa pfungwa isiriyo yakajairika. Kunyange hazvo mamwe mapellet mill achitungamira kutaura nezvesimbi dzinotakura (dzakadai seGCr15 / 52100) sezvinhu zvinogadzira ring die, izvi zvinonyanya kukodzera ma flat die mumabasa madiki e biomass. GCr15 ine hunhu hwakasiyana hwekuwedzera kupisa uye haina simba rekudzivirira ngura uye kusimba kwemhedzisiro kunodiwa kuma ring die ehunyanzvi anoshanda mumamiriro ezvinhu eindasitiri kwenguva refu. Ma feed pellet mills ehunyanzvi anofanirwa kushandisa X46Cr13/4Cr13 martensitic stainless steel kana 20CrMnTi alloy steel kuma ring die [1].
Maitiro Ekugadzira: Apo Zvinhu Zvinosangana Nezvakarurama
Kusarudzwa kwezvinhu zvinodiwa asi hazvina kukwana. Maitiro ekugadzira anoona kana hunhu hwezvinhu zvacho huchichinja kuita mashandiro.
Kugadzira simbi. Kugadzira simbi dzemhando yepamusoro dzinotanga nesimbi dzisina chinhu. Vagadziri vepamusoro vanoshandisa simbi dzakagadzirwa dzine zvinhu zvakagadziriswa zvine chromium yakawanda uye kuomarara kusina chinhu (HB 180 220). Kugadzira simbi zvakanaka kunonatsa chimiro chesimbi, kunobvisa maburi emukati, uye kunogona kuwedzera hupenyu hwesimbi dzinenge 15% zvichienzaniswa nedzimwe nzira dzisina chinhu dzakagadzirwa [5].
Kuboorera Pfuti. Maburi edhie anogadzirwa uchishandisa michina yeCNC inoboorera pfuti inoshanda nekumhanya kusvika ku15,000 RPM. Kutsvedzerera kwemaburi chinhu chakakosha pamhando yepamusoro: maburi akaomarara anowedzera kukweshana, anoderedza kubuda kwemvura, uye anokurumidzisa kupfeka. Vagadziri vepamusoro-soro vanowana kupedzwa kwepamusoro kweRa 0.4 0.8 μm pamadziro emukati megomba, vachiswedera pamhando yepamusoro yegirazi [5].
Kurapa Kupisa Nemuchina Wemagetsi. Kurapa kupisa ndiro danho rakakosha zvikuru rekugadzirisa. Kuomesa muchina wemagetsi zvakasiyana nenzira dzemumhepo kana dzekugezesa munyu kunoita kuti pave nekuoma kwakafanana pasina oxidation kana decarburization pamusoro pechinhu. Maitiro aya anotarisa HRC 52 60 panzvimbo yekushanda ukuwo achichengetedza kusimba kwepakati kuti irambe kutyoka pasi pehunhu hwekuparara kwemafuta akawanda [5], [3].
Kupedza kweCNC. Mushure mekupisa, die inotenderedzwa neCNC finish turning, countersinking, uye grinding ye inner bore. Countsinking inoitwa ne automatic CNC countersinking machines kuti ive nechokwadi chekuti maburi ekupinda akafanana, nepo inner bore ichikuyiwa kusvika pakukwanisa kwakaringana kunoita kuti pave nemukana wakakwana we roller-to-die mudenderedzwa rese [5].
Kusimbiswa Kwemhando Yezvinhu. Vagadziri vepamusoro-soro vanosimbisa kuomarara, kushivirira dhayamita yemaburi (± 0.15 mm yemadhiyi akanyatsogadzirwa), kupedzisa pamusoro, uye chiyero chekumanikidzwa vasati vatumira. Vamwe vagadziri vanocheka chiyero chekumanikidzwa nelaser uye giredhi rezvinhu zvakananga pamuviri wedhiyi kuti vaonekwe nevashandisi [3].
Kusarudza Mashoko Akakodzera: Hurongwa hweSarudzo
Nzira yekusarudza zvinhu ndeyekutevera. Kune chikafu chehuku kana chezvipfuyo chakajairwa munzvimbo yakaoma, 20CrMnTi inokurudzirwa sesarudzo inodhura zvishoma. Kune chikafu chehuku kana chezvipfuyo munzvimbo ine hunyoro kana hunyoro hwakasiyana, X46Cr13 kana 4Cr13 inokurudzirwa. Kune chikafu chemumvura (hove/shrimp) chine hunyoro hwakawanda, X46Cr13 kana 4Cr13 inokurudzirwa. Kune pellet yehuni ine njodzi shoma yekuora, 20CrMnTi inokurudzirwa. Kune mafomula anogumbura ane zvicherwa kana silica, X46Cr13 kana 4Cr13 inokurudzirwa. Kune hupenyu hwese hwebasa, X46Cr13 kana 4Cr13 ine vacuum heat therapy kuHRC 58 60 inokurudzirwa. Kune mashandisirwo efomula akajairwa asina mari yakawanda, 20CrMnTi inokurudzirwa.
Mhedziso
Kusarudzwa kwezvinhu zvinogadzirwa ne ring die isarudzo yeinjiniya ine mhedzisiro yakananga yemari. Simbi isina tsvina yeX46Cr13 ine kuoma kwayo kwakaringana, kuramba kupera, uye kuramba ngura inomiririra mwero weindasitiri we premium feed pellet mill ring dies. Simbi ye 20CrMnTi alloy inopa imwe nzira inodhura yekushandiswa kwakajairika ine njodzi shoma yengura. Maitiro ekugadzira kunyanya kurapa kupisa kwe vacuum uye kunyatsoboorwa kwepfuti zvakakoshawo pakushandura hunhu hwezvinhu kuita mashandiro. Kune vanogadzira michina vanoda kuderedza mutengo patani uye kuwedzera nguva dzekutsiva die, kuisa mari mumhando yezvinhu uye kunyatsogadzira kunowanzo buritsa mhedzisiro inodarika mutengo wekutenga wekuwedzera.
Nguva yekutumira: Chikumi-20-2026
