Izixhobo zesixhobo se-carbide esifakwe isamente ziquka i-carbide efakwe isamente esekelwe kwi-tungsten carbide, i-carbide efakwe isamente esekelwe kwi-TiC(N), i-carbide efakwe isamente ene-TaC (NbC eyongeziweyo), kunye ne-carbide efakwe isamente e-ultrafine. Ukusebenza kwezixhobo ze-carbide ezifakwe isamente kuxhomekeka kakhulu kwizigaba zokuqinisa ezongeziweyo.
I-Carbide enesamente ene-TaC eyongeziweyo (i-NbC)
Ukongeza i-TaC (NbC) kwi-carbide eqinisiweyo yindlela esebenzayo yokuphucula ukusebenza kwayo. Kwii-alloys ze-TiC/Ni/Mo, ukutshintsha inxalenye ye-TiC ngee-carbides ezifana ne-WC kunye ne-TaC, ezinika ukuqina okungcono, kuphucula ukusebenza kwe-carbide eqinisiweyo kwaye kwandisa uluhlu lwesicelo sayo. Ukongezwa kwe-WC kunye ne-TaC kuphucula:
● Ukuqina
● Imodulus ethambileyo
● Ukuxhathisa ukuguqulwa kweplastiki
● Amandla obushushu obuphezulu
Ikwaphucula ukuhanjiswa kobushushu kunye nokumelana nokutshayiswa kobushushu, okwenza isixhobo sifaneleke ngakumbi ekusikeni okuphazamisekileyo. Kwii-WC-Co alloys, ukusebenza kungaphuculwa ngokongeza i-0.5% ukuya kwi-3% (inxalenye yobunzima) yee-carbides ezifana ne-TaC, i-NbC, i-Cr3C2, i-VC, i-TiC, okanye i-HfC. Iinjongo eziphambili ziquka:
● Ukucocwa kweenkozo
● Ukugcina isakhiwo sekristale esifanayo ngaphandle kokuphinda sisetyenziswe
● Ukwandisa ubulukhuni kunye nokumelana nokuguguleka ngaphandle kokuphazamisa ukuqina
Ukongeza, ezi zongezo ziyanceda:
● Ubunzima obuphezulu bobushushu
● Amandla obushushu obuphezulu
● Ukumelana ne-oxidation
Ngexesha lokusika, kwakheka ifilimu ye-oxide eqinileyo, ezihlawulelayo, ekwaziyo ukumelana nokuguguleka okunamathelayo kunye nokusasazeka xa kulungiswa iintsimbi okanye ii-alloys ezithile. Oku kuphucula ukumelana nokuguguleka kwesixhobo kwaye kwandisa amandla aso okumelana nokuguguleka kwe-crater kunye nokuguguleka kwe-flank. Ezi zibonelelo ziya zicaca ngakumbi njengoko umxholo we-cobalt kwi-carbide efakwe isamente usanda.
● I-carbide efakwe isamente ene-1% ukuya kwi-3% (inxalenye yobunzima) I-TaC (NbC) ingasebenzisa ii-iron ezahlukeneyo, kuquka i-iron eqinileyo kakhulu kunye ne-alloy cast iron.
● Ii-alloys ze-cobalt eziphantsi ezine-3% ukuya kwi-10% (inxalenye yobunzima) i-TaC (NbC), ezifana ne-YG6A, YG8N, kunye ne-YG813, zinokuguquguquka. Zingacutshungulwa:
Isinyithi esibandayo
Isinyithi esithambileyo
Iintsimbi ezingezizo ezomileyo
Izinto ezilukhuni ukusetyenzwa ngomatshini ezifana nentsimbi engagqwaliyo, intsimbi eqinileyo, kunye nee-alloys ezishushu kakhulu
Ezi zaziwa ngokubanzi njengee-alloys zeenjongo ezibanzi (YW). Ukwandisa umxholo we-cobalt ngokufanelekileyo kwandisa amandla kunye nokuqina kolu hlobo lwe-carbide efakwe isamente, okwenza ukuba ifaneleke kwi-machining erhabaxa kunye nokusikwa okuphazamisekileyo kwezinto ezinzima ukusetyenzwa ngomatshini. Izicelo ziquka:
● Ukukhuhla iintsimbi ezinkulu ezibunjiweyo nezingxobo
● Ukujika, ukuplanga, kunye nokusila intsimbi ye-austenitic kunye nee-alloys ezimelana nobushushu
● Umatshini wokwenza i-machining ngee-engile ezinkulu ze-reki, iindawo ezinkulu zokusika, kunye nesantya esiphakathi ukuya kwesiphantsi
● Ukuvula ngokurhabaxa iilathe ezizenzekelayo, ezizenzekelayo, kunye nezixhobo ezininzi
● Izixhobo zokwenza iidrill, ii-gear hobs, kunye nezinye izixhobo ezinamandla aphezulu**
Kwii-alloys ze-WC-TiC-Co, umxholo we-TiC ogqithisileyo wonyusa uvakalelo lokuqhekeka kobushushu, nto leyo ekhokelela ekubeni buthathaka ngakumbi. Ukongeza i-TaC kwii-alloys ze-WC-Ti-Co eziphantsi kwe-cobalt ephezulu kuyaphucuka:
● Ukuqina
● Ukumelana nobushushu
● Ukumelana ne-oxidation
Nangona i-TiC inciphisa ukumelana nobushushu, i-TaC iyayilungisa le nto, nto leyo eyenza i-alloy ifaneleke kwimisebenzi yokugaya. Ezinye iindlela ezingabizi kakhulu ezifana ne-NbC okanye ii-Hf-Nb carbides (inxalenye yobunzima: Hf-60%, Nb-40%) zingathatha indawo ye-TaC. Kwii-alloys ze-TiC-Ni-Mo, ukongeza i-TiN, i-WC, kunye ne-TaC ngaxeshanye kuphucula kakhulu:
● Ukuqina
● Amandla okugoba
● Ukumelana ne-oxidation
● Ukuqhuba kwe-thermal
kumaqondo obushushu aphezulu (900–1000°C).
I-Carbide enesamente ecoliweyo kakhulu
Ukucocwa kweenkozo ze-carbide eqinisiweyo kunciphisa ubukhulu besigaba esiqinileyo, kwandisa indawo yomphezulu weenkozo zesigaba esiqinileyo kunye namandla okubopha phakathi kweenkozo. Isigaba sokubopha sisasazeka ngokulinganayo kuzo, siphucula:
Ukuqina
Ukumelana nokunxiba
Ukwandisa umxholo we-cobalt ngokufanelekileyo kwandisa amandla okuguquguquka. I-carbide eqiniswe ngesamente ethambileyo kakhulu, eyenziwe ngamasuntswana amancinci kakhulu e-WC kunye ne-Co, idibanisa:
Ubunzima obukhulu be-carbide eqinisiweyo
Amandla entsimbi ekhawulezayo
Ukuthelekiswa kobukhulu beenkozo:
Ikhabhayithi eqhelekileyo eqinisiweyo: 3–5 μm
I-carbide eqinisiweyo ngokubanzi: ~1.5 μm
Ii-alloys ze-submicron-grained: 0.5–1 μm
I-carbide eqiniswe ngesamente ethambileyo kakhulu: Ubungakanani bengqolowa ye-WC ngaphantsi kwe-0.5 μm
Ukuphuculwa kweenkozo kuyaphucuka:
Ukuqina
Ukumelana nokunxiba
Amandla okugobeka
Ukumelana nokutshiza
Ubunzima obuphezulu bobushushu
Xa kuthelekiswa ne-carbide eqhelekileyo efakwe isamente yolwakhiwo olufanayo, i-carbide efakwe isamente enamafutha aphantsi kakhulu inikezela:
Ukwanda kobunzima obungaphezulu kwe-2 HRA
Ukonyuka kwamandla okugoba kwe-600–800 MPa
Iimpawu eziqhelekileyo:
Umxholo weCobalt: 9%–15%
Ubunzima: 90–93 HRA
Amandla okugobeka: 2000–3500 MPa
Amanqanaba aveliswa eTshayina aquka i-YS2 (YG10H, YG10HT), YM051 (YH1), YM052 (YH2), YM053 (YH3), YD05 (YC09), YD10 (YG1101), B60, YG610, YG643, kunye ne-YD05. Ngenxa yeenkozo zayo ezintle kakhulu, i-carbide enesamente ecolekileyo kakhulu inokugaywa ibe yimiphetho ebukhali kakhulu enoburhabaxa obuphantsi bomphezulu, nto leyo eyenza ukuba ifaneleke kwizixhobo ezichanekileyo ezifana nezi:
Iibroaches
Abagxeki
Iitovu ezichanekileyo
Igqwesile ekuchweni ngobunzulu obuncinci bokusika kunye namazinga okutya. Ikwafanelekile kwizixhobo ezincinci ezifana nezi:
Iidrill ezincinci
Izigawuli ezincinci zokusika
Iibroaches ezincinci
Iitovu ezincinci
Ukutshintsha izixhobo zentsimbi ezikhawulezayo, ubomi bayo bubude ngokuphindwe kayi-10–40, mhlawumbi bungaphezulu ngokuphindwe kayi-100. Izixhobo ze-carbide ezinesamente ye-ultrafine zilungele ngokukodwa ukwenziwa kwemishini:
Ii-alloys ezisekwe kwi-iron kunye ne-nickel ezisekwe kwi-alloys ezishushu kakhulu
Iialloy zeTitanium
Iintsimbi ezingenasici ezimelana nobushushu
Izinto ezitshiziweyo, ezidityanisiweyo, nezigqunyiweyo (umz., ezisekwe kwintsimbi, ezisekwe kwi-nickel, ezisekwe kwi-cobalt, ezizigubungeleyo ezizigubungeleyo eziqinileyo, uthotho lwe-cobalt-chromium-tungsten)
Iintsimbi ezinamandla kakhulu
Iintsimbi eziqinileyo
Izinto ezinobunzima obuphezulu ezifana nee-irons ezifakwe i-chromium ephezulu kunye ne-nickel-cooled
Xa kusetyenzwa izinto ezinzima ukusetyenzwa ngomatshini, ubomi bazo buhlala ixesha elide ngokuphindwe kathathu ukuya kwishumi kunelo le-carbide eqhelekileyo efakwe isamente.
Kutheni Ukhetha iChengduhuaxin Carbide?
I-Chengduhuaxin Carbide ivelele kwimarike ngenxa yokuzinikela kwayo kumgangatho kunye nokuvelisa izinto ezintsha. Iiblade zabo zekhaphethi ze-tungsten carbide kunye neeblade ze-tungsten carbide ezifakwe kwi-slotted zenzelwe ukusebenza kakuhle, zibonelela abasebenzisi ngezixhobo ezibonelela ngokusika okucocekileyo nokuchanekileyo ngelixa bemelana nobunzima bokusetyenziswa kakhulu kwimizi-mveliso. Ngokugxila ekuqineni nasekusebenzeni kakuhle, iiblade ze-Chengduhuaxin Carbide ezifakwe kwi-slotted zibonelela ngesisombululo esifanelekileyo kumashishini afuna izixhobo zokusika ezinokuthenjwa.
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Ixesha leposi: Julayi-14-2025
