80% miinooyinka Mexico ayaa dib u bilaabay howlahooda
Ku dhawaad 80% waaxda macdanta Mexico ayaa dib u bilowday iyadoo wadanku uu sii wado fududaynta xayiraadaha saaran macdan qodayaasha iyada oo uu jiro cudurka faafa ee coronavirus, Francisco Quiroga, oo ah xoghaye hoosaadka macdanta Mexico ee Wasaaradda dhaqaalaha ee dalka, ayaa ku sheegay wareysi uu siiyay S&P Sirdoonka Suuqa Caalamiga ah.
Wadanku waxa uu xidhay waaxda macdanta dabayaaqadii March isaga oo ka jawaabaya covid-19 waxana uu bilaabay in uu ogolaado in dib loo bilaabo badhtamihii May ka dib markii ay ku dhawaaqday in macdan qodista ay tahay adeeg muhiim ah.
Hawlgallada ayaa bilaabay inay kor u qaadaan macdanta dahabka ee Penasquito ee Newmont iyo Alamos Gold's Mulatos miinada dahabka ah.
Isniintii, Excellon Resources (TSX: EXN) waxay ku dhawaaqday dib u bilaabista hawlaheeda dalka, oo ay ku jiraan Platosa, macdanta qalinka ee heerka ugu sareysa ee Mexico.
Avino Silver & Gold (TSX: ASM, NYSE:ASM) ayaa sidoo kale sheegay Isniintii inay bilaabayso kor u qaadida hawlaha hawlgalka ee macdanta Avino ee u dhow Durango, Mexico.
Shirkadda sahaminta iyo horumarinta ee Bacanora Lithium (LON:BCN) waxay ku dhawaaqday inay rajaynayso inay dib u furto warshadda tijaabada ee Hermosillo mashruuca calanka Sonora lithium ee bishan.
Endeavor Silver (TSX: EDR) (NYSE: EXK) ayaa sidoo kale dib uga hawlgelisay saddexdeeda macdanta dahabka-goobka ah ee dhulka hoostiisa ah ee Mexico. Dhanka kale, Fortuna Silver Mines (NYSE: FSM) (TSX: FVI) ayaa dib uga hawlgashay macdanteeda San José , ee ku taal koonfurta Mexico ee Oaxaca.
Mexico waxay mas'uul ka tahay ku dhawaad 23% wax soo saarka adduunka ee qalinka, oo soo saarta in ka badan 200 milyan oo wiqiyadood sanadkii hore, marka loo eego 196.6 milyan ounces sanadka 2018.
Wadanku waxa kale oo uu leeyahay macdanta Copper iyo Zinc, oo ay maamusho Grupo Mexico iyo Southern Copper, waxaanay soo saartaa xaddi badan oo dahab ah, taas oo ka dhigaysa waaxda macdanta masuulka ka ah ilaa 4% wax soo saarka guud ee qaranka.
"Maamulka nadaafadda ayaa si isdaba joog ah ugu yeeray waaxda macdanta kuwa ugu qalabaysan uguna diyaarsan inay dib ugu noqdaan hawlgallada," Quiroga ayaa ku yiri wareysiga S&P Sirdoonka Suuqa Caalamiga ah .
Quiroga wuxuu sheegay in Waaxda Shaqada ee Mexico ay yeelan doonto kormeero caafimaad oo u gaar ah coronavirus-ka oo ay sameynayaan mas'uuliyiin booqan kara goobaha miinada iyaga oo aan marka hore shaacin imaanshahooda.
"Ma yeelan doonaan feejignaan ciqaabeed," Quiroga ayaa yidhi. "Haddii ay jiraan wax khalad ah, waxaan ku martiqaadi doonaa shirkadaha inay hagaajiyaan."
Kubadda Mill Liner Xulashada Qalabka
Waxyaabaha kala duwan ee la jajabiyey, xaaladaha shaqada ee kala duwan waxay u baahan yihiin qalabyo kala duwan oo ku habboon. Sidoo kale, qaybta wax lagu shiido ee aan qallafsanayn iyo qaybta wax lagu shiido waxay u baahan tahay qalabyo kala duwan.
H&G ayaa bixiya agabka soo socda si aad u tuurto makiinadaada kubbadda:
Birta Manganese
Maaddada manganese ee saxanka sare ee birta birta manganese ee saxanka dahaarka guud ahaan waa 11-14%, kaarboonku guud ahaan waa 0.90-1.50%, kuwaas oo intooda badan ka sarreeya 1.0%. Markay tahay culayska saamaynta hooseeya, engegnaanta waxay gaari kartaa HB300-400. Marka culeyska sareeyo, engegnaanta waxay gaari kartaa HB500-800. Iyadoo ku xiran culeyska saameynta, qoto dheer ee lakabka adag wuxuu gaari karaa 10-20mm. Lakabka qallafsan ee leh qallafsanaanta sare waxay iska caabin kartaa saameynta waxayna yareyn kartaa dharbaaxada. Birta manganese-ka sare waxay leedahay wax qabad heer sare ah oo ka-hortagga xirashada iyadoo la raacayo xaaladda saameyn xooggan oo daal ah, sidaas darteed waxaa badanaa loo isticmaalaa qaybaha xirashada u adkaysta ee macdanta, qalabka dhismaha, awoodda kulaylka, iyo qalabka kale ee farsamada. Marka la eego shuruudaha xaaladaha saameynta hooseeya, birta manganese sare ma sameyn karto sifooyinka walxaha sababtoo ah saameynta adkeynta shaqadu maaha mid cad.
Halabuurka Kiimikada
| Magaca | Halabuurka Kiimikada (%) | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Mn14 Mill Liner | 0.9-1.5 | 0.3-1.0 | 11-14 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
| Mn18 Mill Liner | 1.0-1.5 | 0.3-1.0 | 16-19 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
Guryaha makaanikada iyo qaab-dhismeedka biraha
| Magaca | Hardness Dusha sare (HB) | Qiimaha Saamaynta Ak (J/cm2) | Qaab-dhismeedka yar yar |
| Mn14 Mill Liner | ≤240 | ≥100 | A+C |
| Mn18 Mill Liner | ≤260 | ≥150 | A+C |
| C -Carbide | Carbide A-ustenite la hayo | Austenite | |||
Tilmaamaha alaabta
| Cabbirka | Hole Dia (mm) | Dhererka xadhkaha (mm) | ||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Dulqaad | +20 | +30 | +20 | +30 |
Birta Daawaha ee Chrome
Birta daawaha ee Chromium waxa loo qaybiyaa birta chromium aluminium sare ah (koox ka kooban 8-26% kaarboon ka kooban 2.0-3.6%), birta daawaha chromium dhexdhexaad ah ( content chromium 4-6%, content carbon 2.0-3.2%), hoose Saddex nooc oo ah birta dabaysha (ka kooban chromium 1-3%, kaarboonka 2.1-3.6%). Muuqaalkeeda cajiibka ah ayaa ah in microhardness ee M7C3 eutectic carbide uu yahay HV1300-1800, kaas oo loo qaybiyo qaab shabakad jaban oo go'doonsan martensite (qaabka ugu adag ee shaxanka birta) matrix, yaraynta saameynta dillaaca ee matrixka. Sidaa darteed, xargaha daawaynta sare ee chromium-ka ayaa leh awood sare, adkaanta kubbadda, iyo caabbinta sare ee dharka, iyo waxqabadkeedu wuxuu ka dhigan yahay heerka ugu sarreeya ee qalabka birta u adkaysta ee hadda jira.
Halabuurka Kiimikada
| Magaca | Halabuurka Kiimikada (%) | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Khadka Sare ee Aloyiga Chrome | 2.0-3.6 | 0-1.0 | 0-2.0 | 8-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Dhexdhexaadiyaha Alloy Chrome | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Xadhkaha Dabeecadda Aloyiga ee Chrome Low | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Guryaha makaanikada iyo qaab-dhismeedka biraha
| Magaca | Dusha sare (HRC) Ak (J/cm2) | Qaab-dhismeedka yar yar | ||||
| Khadka Sare ee Aloyiga Chrome | ≥58 | ≥3.5 | M+C+A | |||
| Dhexdhexaadiyaha Alloy Chrome | ≥48 | ≥10 | M+C | |||
| Xadhkaha Dabeecadda Aloyiga ee Chrome Low | ≥45 | ≥15 | M+C+P | |||
| M- Martensite | C - Carbide | A-Austenite | P-Pearlite | |||
Tilmaamaha alaabta
| Cabbirka | Hole Dia. (mm) Dhererka xadhkaha (mm) | |||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Dulqaad | +20 | +30 | +20 | +30 |
Cr-Mo Alloy Steel
Mashiinnada H&G waxay adeegsadaan birta daawaynta ee Cr-Mo si ay u tuuraan makiinada wax-shiidka. Walaxdan oo ku salaysan heerka Australia, (AS2074 Standard L2B, iyo AS2074 Standard L2C) waxa ay bixisa saamayn heersare ah oo ay xidhato iska caabin dhammaan codsiyada wax-shiidka ee semi-autogenous.
Halabuurka Kiimikada
| Koodhka | Walxaha Kiimikada (%) | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| L2B | 0.6-0.9 | 0.4-0.7 | 0.6-1.0 | 1.8-2.1 | 0.2-0.4 | 0.3-0.5 | ≤0.04 | ≤0.06 |
| L2C | 0.3-0.45 | 0.4-0.7 | 1.3-1.6 | 2.5-3.2 | 0.6-0.8 | 0.3-0.5 | ≤0.04 | ≤0.06 |
Hantida Jirka & Dhismayaasha yar yar
| Koodhka | Hardness (HB) | Ak (J/cm2) | Qaab-dhismeedka yar yar |
| L2B | 325-375 | ≥50 | P |
| L2C | 350-400 | ≥75 | M |
| M-Martensite, C-Carbide, A-Austenite, P-Pearlite | |||
Ni-hard Steel
Ni-Hard waa bir shub ah oo cad, oo lagu daray nikkel iyo chromium oo ku habboon saamaynta hoose, naaxinta simbiriirixan ee codsiyada qoyan iyo kuwa qalalan. Ni-Hard waa shay aad u adkaysi badan, oo lagu shubay foomamka iyo qaababka kuwaas oo ku habboon in loo isticmaalo meelaha xoqan iyo xidhashada jawiga iyo codsiyada.
Halabuurka Kiimikada
| Magaca | C | Si | Mn | Ni | Cr | S | P | Mo | Adag |
| Ni-Hard AS2027 Gr Ni Cr 1-550 | 3.2-3.6 | 0.3-0.8 | 0.2-0.8 | 3.0-5.0 | 1.5-3.0 | ≤0.12 | ≤0.15 | ≤0.5 | 550-600HBN |
| Ni-Hard AS2027 Gr Ni Cr 2-550 | 2.8-3.2 | 0.3-0.8 | 0.2-0.8 | 3.0-5.0 | 1.5-3.0 | ≤0.12 | ≤0.15 | ≤0.5 | 500-550HBN |
| Ni-Hard AS2027 Gr Ni Cr 2-550 | 3.2-3.6 | 1.5-2.2 | 0.2-0.8 | 4.0-5.5 | 8.0-10.0 | ≤0.12 | ≤0.15 | ≤0.5 | 630-670HBN |
Birta Cad ee Birta
Halabuurka Kiimikada
| Magaca | Halabuurka Kiimikada (%) | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Xadhkaha Birta Cad ee Birta | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Hantida Jirka & Dhismayaasha yar yar
| Magaca | HRC | Ak (J/cm2) | Qaab-dhismeedka yar yar |
| Xadhkaha Birta Cad ee Birta | ≥58 | ≥3.5 | M+C+A |
| M-Martensite C- Carbide A-Austenite | |||
Haddii aad hayso su'aal gaar ah, fadlan la xidhiidh injineerkayaga si uu kuugu adeego!
Nick Sun [email protected]
Waqtiga boostada: Juun-19-2020