1. Boemo ba Motheo: Phapano ea Motheo Pakeng tsa YG le YN
(A) Sebopeho se senotsoeng ke Nomenclature
- YG Series (WC-Co Carbides): E hahiloe holim'a tungsten carbide (WC) joalo ka karolo e thata ka cobalt (Co) joalo ka binder (mohlala, YG8 e na le 8% Co), e etselitsoengho tiya le ho sebetsa hantle ka ditjeo.
- YN Series (TiC-Based Carbides): Ho na le mefuta e 'meli: e hloekileng ea TiC-based (mohlala, YN10 e nang le setlamo sa Ni-Mo) kapa WC-TiC composite (mohlala, YN6 e nang le Co-Ni binder), e ntlafalitsoeng bakeng saboima bo phahameng, ho hanyetsa mocheso, le lisebelisoa tse khethehileng tsa tikoloho.
(B) Kahlolo ea Boemo ba Tšimoloho ea Kopo
- YG e ipabola ka thepa e bonolo le maemo a tšusumetso: E loketse bakeng sa tšepe e entsoeng ka tšepe, litšepe tse se nang ferrous (aluminium, koporo), le lisebelisoa tse hlokang ho hanyetsa tšusumetso joalo ka ho cheka le ho penya ka setempe.
- YN e sebetsa ka thata ka thepa e thata le tikoloho e feteletseng: E nepahetse bakeng sa ho qeta tšepe ea carbon / e tingoeng, libaka tse senyang tse nang le mocheso o phahameng (lik'hemik'hale, sebaka sa sefofane), le lisebelisoa tsa elektronike tse se nang makenete.
2. Papiso e Tebileng: Ho Tloha ho Sebopeho ho ea ho Ts'ebetso ho ea ho Kopo
(A) Sebopeho: Khoutu ea Lik'hemik'hale ea Li-Binders le Mehato e Thata
1. YG Series: The Toughness Champion of Pure WC-Co System
- Foromo ea mantlha: 85% -94% WC, 6% -15% Co (mohlala, YG15 e nang le 15% Co), ha e na titanium (Ti), density 13.9-14.8g/cm³ (alloy e boima).
- Molemo oa Microstructural: Ductility of Co e fana ka matla a matla a ho feto-fetoha (YG8 e fihla ho 2300MPa). Limaraka tsa lijo-thollo tse ntle (mohlala, YG3X) li matlafatsa boima ba 'mele ho 92HRA ka ho hloekisa lijo-thollo tsa WC, ho leka-lekanya ho hanyetsa le ho phunya.
2. Letoto la YN: Phallo ea Ts'ebetso ea Li-Alloys tse thehiloeng ho TiC
- Li-alloys tse thehiloeng ho TiC (mohlala, YN10): Ho feta 90% TiC, 10% Ni-Mo binder, density feela 5.5-6.0g/cm³, hardness 92-95HRA, ho boloka bokhoni ba ho itšeha ho 1200 ℃ ka khanyetso e ikhethang ea ho roala crater.
- Motsoako oa WC-TiC (mohlala, YN6): 92% WC e busang, 2% Ni + 6% Co e kenyelelitsoe, e kopanya ho tiea ha YG (1800MPa flexural matla) le ho hanyetsa ha kutu ea YN bakeng sa maemo a mahareng a acid / alkali.
(B) Liphapang tsa Ts'ebetso: Liphetoho tse ka Sehloohong bakeng sa Tšebeliso e Ntle ea Machining le Bophelo ba Lisebelisoa
1. Ho thatafala le ho Aroha Resistance: YN E beha Benchmark bakeng sa Precision Machining
- YG hardness: 89-91HRA (YG3X fine-grain fihla 92HRA), e loketseng ho roala holim'a machining a tšepe ea tšepe.
- YN e hloekileng e thehiloeng ho TiC e thata: 91-95HRA, ho lelefatsa bophelo ba lisebelisoa ka makhetlo a 3-5 ha ho bapisoa le YG ha ho etsoa machining tšepe e tingoeng (60HRC). Khokahano e tlase ea khohlano (0.3 vs YG's 0.5) e fokotsa ts'enyo ea mocheso oa sesebelisoa.
2. Mathata le Boikutlo ba Boipheliso: YG e Etella Pele ka ho Seha ka Nakoana
- YG's cobalt e fana ka tšusumetso e matla ea 4-8J/cm² (YG20C ho 6J/cm²), e fokotsa kotsi ea ho phunya ka 40% nakong ea ho itšeha nako le nako (mohlala, tšepe ea tšepe ea tšepe kapa likheo tse ferekaneng).
- YN e hloekileng ea TiC-based e na le matla a tlaase (1500MPa flexural strength), empa motsoako oa YN15 o eketsa matla a ho feto-fetoha ho 2000MPa ka ho eketsa WC le Co, ho finyella litlhoko tse khahlanong le ho sisinyeha bakeng sa ho itšeha ho tsoelang pele.
3. Ho hanyetsa Mocheso le Botsitso ba Lik'hemik'hale: YN Pioneers High-Temperature Machining
- YG boima bo bofubelu: 600-800 ℃, moo Co e tlamahanngoa habonolo le litšepe tse nang le tšepe, e bakang lisebelisoa tse hahang.
- YN e hloekileng ea TiC-based e mamella 1000-1300 ℃, ka Ni-Mo binder e hanyetsanang le oxidation. Tšebelisano e tlase ea TiC bakeng sa tšepe e ntlafatsa ts'ebetso e khahlanong le ho khomarela ka 60% ka mechine ea tšepe e sa hloekang, e loketseng ho itšeha ka lebelo le phahameng (lebelo la linear ≥200m / min).
(C) Maemo a Kopo: The "Multiple-Choice" bakeng sa Litlhoko tsa ho sebetsa ka nepo
1. Letoto la YG: Khetho e Se nang Litšenyehelo Bakeng sa Metale e sa Feleng le Mechini e Akaretsang
- Ts'ebetso ea tšepe ea ho Lahlela: YG6/YG8 bakeng sa ho fetola ka thata tšepe ea tšepe e bohlooho (fepa> 0.3mm/r); YG15 bakeng sa ho sitisoa ho siloa ha tšepe ea ductile, ho ntlafatsa ho hanyetsa phello ka 30%.
- Tlhahiso ea Mold: Limaraka tsa High-Co tse kang YG20C (20% Co) bakeng sa lihlooho tse batang lia shoa, li mamella> 2000MPa khatello ea maikutlo le nako e telele ea 5x ho feta hlobo ea HSS.
- Ho cheka Geological: Meno a ho cheka a YG11C a fokotsa ho robeha ha matla a majoe ka 25% ha ho ntšoa khase ea shale, ho ntlafatsa bokhoni ba ho cheka ka 15%.
2. Letoto la YN: Moeta-pele oa Ts'ebetso bakeng sa ho Qetella Litšepe le Libaka tse Khethehileng
- Ho sebetsa ka mokhoa o nepahetseng oa tšepe e tingoeng: YN10 ho fetola lisebelisoa ho qeta 58HRC e nang le tšepe ka 150m / min, ho finyella ho rarahana ha holim'a Ra0.4μm, ho atamela ho nepahala ha ho sila.
- Likarolo tse Thing ho Corrosion indastering ea Lik'hemik'hale: Masale a ho tiisa a YN6 a bonts'a sekhahla sa kutu ea 0.05mm feela / selemo ho 10% hydrochloric acid, e tšoarellang nako e telele ka 3x ho feta litiiso tsa YG.
- Likaroloana tsa Elektronike tseo e seng tsa Magnetic: YN15 non-magnetic alloy (permeability <1.0001) bakeng sa likarolo tsa lisebelisoa tsa MRI, ho qoba ho kena-kenana le matla a khoheli ka phoso e nepahetseng <0.001mm.
3. Tataiso ea Khetho: Mehato e 4 ea ho Fumana Boitsebiso bo nepahetseng
(A) Mohato oa 1: Hlalosa Matlotlo a Mantlha a Mosebetsi
- Lahlela tšepe / aluminium / koporo / e seng tšepe→ Beha YG pele (YG8 bakeng sa ho baballa litšenyehelo, YG6X lijo-thollo tse ntle bakeng sa ho qeta).
- Tšepe ea carbon/alloy steel/quinched steel/stainless steel→ Beha YN pele (YN10 e hloekileng e thehiloeng ho TiC bakeng sa ho qeta ka lebelo le phahameng, e kopantsoeng ea YN6 bakeng sa tšebeliso e akaretsang ea boima bo bohareng).
(B) Mohato oa 2: Hlahloba Maemo a ho Seha
- Ho seha nako le nako/boima bo boima: Letoto la YG (YG15's 2250MPa matla a flexural a fana ka 40% e phahameng ea ho hanyetsa ho feta YN).
- Qetello e tsoelang pele/ Ho poma ka lebelo le phahameng: Letoto la YN (ho hanyetsa mocheso oa YN10 ho fihlela 50%, lebelo la ho itšeha le fihla ho 250m / min).
(C) Mohato oa 3: Nahana ka Litlhoko tsa Tikoloho
- Libaka tsa mocheso o phahameng / tse senyang / tse seng tsa makenete: Letoto la YN (YN15 e hanela 600 ℃ + acid / alkalis; YN6 e kopana le litlhoko tse seng tsa makenete bakeng sa lisebelisoa tsa elektroniki).
- Maemo a tlwaelehileng/a baballang ditjeho: Letoto la YG (20% -30% theko e tlase ho feta YN, e loketseng ho reka ka bongata).
(D) Mohato oa 4: Reference Typical Grades Comparison Table
| Boemo ba Kopo | Kereiti e khothalelitsoeng | Melemo ea Konokono | Ho Bapisa ka Katleho ea Machining |
|---|---|---|---|
| Phetoho e Khōlō ea Tšepe ea Cast | YG8 | Ho hanyetsa tšusumetso + ho apara ho hanyetsa, litšenyehelo tse tlaase | Bophelo ba lisebelisoa> 8h ho 0.5mm/r fepa |
| Qetella ho Fetola Tšepe e Chesitsoeng | YN10 | Boima bo phahameng + ho hanyetsa mocheso, ho qeta holimo ho Ra0.8μm | Ho nepahala ho tsitsitseng ho 200m / min |
| Litulo tsa Valve ea Lik'hemik'hale tse sa Ruleng | YN6 | Acid/alkali resistance + ho tiea ha mahareng | Bophelo ba tšebeletso> lilemo tse 2 libakeng tse senyang |
| Moroalo o Phahameng oa Cold Heading oa Shoa | YG20C | High-Co toughness, anti-chipping | >100,000 li-stamping cycles |
4. Qetello: Khetha Carbide e Nepahetseng ea Cemented ho Phahamisa Boiketlo ba Machining
YG le YN ha se likhetho tse hanyetsanang empa ke "lisebelisoa tse nepahetseng" bakeng sa maemo a fapaneng a machining: YG e koahela machining ka kakaretso ka theko e tlase le e thata, ha YN e phunyeletsa litšitiso ka thepa e thata le tikoloho e feteletseng e nang le ts'ebetso e phahameng. Hore na ke tlhahiso e tsitsitseng bakeng sa mochini oa tšepe o entsoeng ka tšepe, ts'ebetso e nepahetseng bakeng sa ho tima tšepe e tingoeng, kapa ho tšoarella ha nako e telele tikolohong e senyang, ho hlakisa litlhoko le mahlale a ho tsamaisana le ts'ebetso-ts'ebetso ho eketsa boleng ba li-carbide tse samenteng.
Ikopanye le rona hona joaleho fumana litharollo tsa khetho ea lisebelisoa tsa profeshenale 'me u tlohelle li-carbides tsa YG/YN tse samenteng hore e be matla a hau a mantlha a ho ntlafatsa ts'ebetso ea mochini!
Nako ea poso: Jun-12-2025
