1. Matsayin Mahimmanci: Babban Bambanci Tsakanin YG da YN
(A) Haɗin da aka Bayyana ta Nomenclature
- Jerin YG (WC-Co Carbides): Gina kan tungsten carbide (WC) a matsayin mai wuya lokaci tare da cobalt (Co) a matsayin mai ɗaure (misali, YG8 ya ƙunshi 8% Co), tsara dontauri da tsada-tasiri.
- Jerin YN (TiC-Based Carbides)Nau'i biyu sun wanzu: tushen TiC mai tsafta (misali, YN10 tare da Ni-Mo mai ɗaure) ko haɗin WC-TiC (misali, YN6 tare da haɗin Co-Ni), an inganta shi donbabban taurin, juriya na zafi, da aikace-aikacen yanayi na musamman.
(B) Hukunci na Farko na Aikace-aikacen
- YG ya yi fice a cikin kayan taushi da yanayin tasiri: Mafi dacewa don simintin ƙarfe, ƙarfe mara ƙarfe (aluminum, jan ƙarfe), da aikace-aikacen da ke buƙatar juriya mai tasiri kamar hakowa na ƙasa da tambarin ƙasa.
- YN ya ƙware a cikin kayan wuya da matsanancin yanayi: Cikakke don kammala carbon karfe / quenched karfe, high-zazzabi mai lalata yanayi (sunadarai, aerospace), da wadanda ba Magnetic kayan lantarki.
2. Zurfin Kwatanta: Daga Haɗin kai zuwa Ayyuka zuwa Aikace-aikace
(A) Abun Haɗa: Lambar sinadarai na Binders da Hard Phases
1. Jerin YG: Gwarzon Tauri na Tsabtace WC-Co System
- Core Formula: 85% -94% WC, 6% -15% Co (misali, YG15 tare da 15% Co), babu titanium (Ti), yawa 13.9-14.8g/cm³ (nauyi gami).
- Amfanin Microstructural: Ductility na Co yana ba da kyakkyawan ƙarfin sassauƙa (YG8 ya kai 2300MPa). Maki masu kyau (misali, YG3X) suna haɓaka taurin zuwa 92HRA ta hanyar tace hatsin WC, daidaita juriya da juriya.
2. Jerin YN: Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararriyar TiC
- Kayayyakin tushen TiC (misali, YN10): Sama da 90% TiC, 10% Ni-Mo mai ɗaure, yawa kawai 5.5-6.0g/cm³, taurin 92-95HRA, riƙe ikon yankewa a 1200 ℃ tare da juriya mai ban sha'awa ga lalacewa.
- WC-TiC Composite (misali, YN6): 92% WC rinjaye, 2% Ni + 6% Co da aka ƙara, haɗawa da taurin YG (ƙarfin sassauƙawar 1800MPa) da juriya na lalata YN don yanayin yanayin matsakaici-load acid / alkali.
(B) Bambance-bambancen Ayyuka: Maɓallin Maɓalli don Ingantaccen Injin Injiniya da Rayuwar Kayan aiki
1. Taurin da Juriya: YN Yana Sanya Ma'auni don Mahimmancin Machining
- YG taurin: 89-91HRA (YG3X lafiyayyen hatsi ya kai 92HRA), wanda ya dace da lalacewa ta sama a cikin injin simintin ƙarfe.
- YN tsantsar taurin tushen TiC: 91-95HRA, tsawaita rayuwar kayan aiki sau 3-5 idan aka kwatanta da YG lokacin da aka kashe karfe (60HRC). Ƙananan juzu'i (0.3 vs YG's 0.5) yana rage lalacewar thermal workpiece.
2. Tauri da Juriya na Tasiri: YG yana Jagoranci cikin Yanke Tsayawa
- Cobalt na YG yana ba da ƙarfin tasiri na 4-8J/cm² (YG20C a 6J/cm²), yana rage haɗarin chipping da 40% a cikin yanke tsaka-tsaki (misali, niƙa simintin ƙarfe ko ƙirƙira blanks).
- YN tsarkakakken tushen TiC yana da ƙananan ƙarfi (ƙarfin sassauƙawar 1500MPa), amma haɗar YN15 yana ƙara ƙarfin sassauƙa zuwa 2000MPa ta ƙara WC da Co, saduwa da buƙatun anti-vibration don ci gaba da yankan-load.
3. Juriya na zafi da Ƙarfafa Sinadarai: YN Majagaba Mai Girma Machining
- YG ja taurin: 600-800 ℃, inda Co sauƙi bond tare da ferrous karafa, haifar da kayan aiki gina-up baki.
- YN tsarkakakken tushen TiC yana jure wa 1000-1300 ℃, tare da mai ɗaure Ni-Mo yana tsayayya da iskar shaka. Ƙananan kusancin TiC don ƙarfe yana haɓaka aikin anti-mannewa da kashi 60% a cikin injin bakin karfe, wanda ya dace da yankan saurin sauri (gudun linzamin kwamfuta ≥200m/min).
(C) Yanayin Aikace-aikacen: "Zaɓi-yawan-Zaɓi" don Mahimman Bukatun Injin
1. Jerin YG: Zabi mai Tasirin Kuɗi don Ƙarfe Ba-Ferrous da Machining Gabaɗaya
- Cast Iron Machining: YG6/YG8 don m juya na launin toka simintin ƙarfe (feed> 0.3mm/r); YG15 don katsewar niƙa na ductile baƙin ƙarfe, inganta tasirin tasiri da 30%.
- Manufacturing Mold: High-Co maki kamar YG20C (20% Co) ga sanyi heading mutu, jurewa> 2000MPa matsawa danniya da kuma m 5x fiye da HSS molds.
- Hakowa Geological: YG11C hakoran hakoran sun rage tasirin tasirin dutse da kashi 25% a cikin hakar iskar gas, yana haɓaka aikin hakowa da kashi 15%.
2. Jerin YN: Jagoran Ayyuka don Ƙarfe Ƙarfe da Muhalli na Musamman
- Daidaitaccen Injin Ƙarfe na Ƙarfe: YN10 juya kayan aikin gama 58HRC hali karfe a 150m / min, cimma surface roughness Ra0.4μm, gabatowa nika daidaici.
- Sassan Juriya-Lalata a Masana'antar Sinadarai: YN6 zoben rufewa suna nuna ƙimar lalata kawai 0.05mm / shekara a cikin 10% hydrochloric acid, 3x mai tsayi fiye da hatimin YG.
- Abubuwan Wutar Lantarki Ba-Magnetic Ba: YN15 ba tare da Magnetic alloy (permeability <1.0001) don sassan kayan aikin MRI, guje wa tsangwama tare da kuskuren kuskure <0.001mm.
3. Jagoran Zaɓi: Matakai 4 zuwa Mafi kyawun Kayan aiki
(A) Mataki na 1: Ƙayyade Abubuwan Abubuwan Kayan Aikin Aiki
- Simintin ƙarfe / aluminum / jan ƙarfe / mara ƙarfe→ Ba da fifiko ga YG (YG8 don ingantaccen farashi, YG6X hatsi mai kyau don gamawa).
- Carbon karfe / gami karfe / quenched karfe / bakin karfe→ Ba da fifikon YN (YN10 na tushen TiC mai tsafta don karewa mai sauri, hada YN6 don amfanin gabaɗaya matsakaicin nauyi).
(B) Mataki na 2: Kimanta Yanayin Yanke
- Yanke/mashin nauyi mai nauyi: YG jerin (YG15's 2250MPa flexural ƙarfi yana ba da 40% mafi girma tasiri juriya fiye da YN).
- Ci gaba da gamawa/yanke-sauri: YN jerin (YN10 ta zafi juriya up 50%, yankan gudun kai 250m / min).
(C) Mataki na 3: Yi la'akari da Bukatun Muhalli
- Mahalli masu zafi/lalata/marasa maganadisu: jerin YN (YN15 yana tsayayya da 600 ℃ + acid / alkalis; YN6 ya sadu da bukatun da ba na maganadisu ba don kayan lantarki).
- Mahalli na al'ada/masu tsada: Jerin YG (20% -30% ƙananan farashi fiye da YN, manufa don sayayya mai yawa).
(D) Mataki na 4: Teburin Kwatanta Maki Na Musamman
| Yanayin aikace-aikace | Matsayin da aka Shawarta | Babban Amfani | Kwatanta Ingantattun Machining |
|---|---|---|---|
| Ƙarfin Juya Ƙarfe | YG8 | Tasirin juriya + juriya na lalacewa, ƙarancin farashi | Rayuwar kayan aiki> 8h a ciyarwar 0.5mm/r |
| Kammala Juya Ƙarfe Mai Ƙarfe | YN10 | High taurin + zafi juriya, Ra0.8μm surface gama | Tsayayyen daidaito a 200m/min |
| Kujerun Bawul ɗin Kemikal Mai Juriya | YN6 | Acid/alkali juriya + matsakaicin tauri | Rayuwar sabis> shekaru 2 a cikin mahalli masu lalata |
| Babban Load Mai Ciki Ya Mutu | YG20C | High-Co tauri, anti-chipping | > 100,000 hawan keke |
4. Kammalawa: Zaɓi Carbide ɗin Simintin Dama don Haɓaka Ingantacciyar Injin
YG da YN ba zaɓin adawa ba ne amma "kayan aikin madaidaici" don yanayin mashin ɗin daban-daban: YG yana rufe mashin ɗin gabaɗaya tare da ƙimar farashi da tauri, yayin da YN ke karya ta kwalabe a cikin kayan aiki masu wahala da matsanancin yanayi tare da babban aiki. Ko ingantaccen fitarwa don injin simintin ƙarfe, daidaitaccen biɗan ƙarewar ƙarfe, ko dorewa na dogon lokaci a cikin mahalli masu lalata, fayyace buƙatu da madaidaicin abun da ke ciki-aiki- aikace-aikacen dabaru yana ƙara ƙimar siminti carbides.
Tuntube mu yanzudon samun mafita na zaɓin kayan ƙwararru kuma bari YG/YN cemented carbides su zama babban ƙarfin tuƙi don haɓaka aikin injin!
Lokacin aikawa: Juni-12-2025
