Endeavour Silver e bula hape merafo ea Mexico
Canada's Endeavor Silver (TSX: EDR) (NYSE: EXK) e qalile ts'ebetso merafong ea eona e meraro e ka tlas'a lefatše ea khauta Mexico, kamora tumello e tsoang ho balaoli ba bophelo bo botle ba naha.
Moetsi oa silevera oa Vancouver o hlokometse hore merafo ea eona le limela li ntse li nyoloha ho fihlela ts'ebetso e tloaelehileng. E boetse e boletse hore basebetsi ba bafuputsi ba tla qala mananeo a ho etsa limmapa, ho etsa sampole le ho cheka bocha ka Phuptjane.
Phatlalatso ena e latela litaba tse tsoang ho basebetsi-'moho le basebetsi ba morafong oa Canada Fortuna Silver Mines (NYSE: FSM) (TSX: FVI) hore morafo oa eona oa San José, o karolong e ka boroa ea Mexico ea Oaxaca, o khutlile ka ho feletseng.
Pejana khoeling ena, Endeavor Silver e ile ea beha tahlehelo ea letlooa kotareng ea pele, 'me lekhetho le theoha ka lebaka la ho emisoa ha ts'ebetso morerong oa El Cubo. Liphetho li ile tsa boela tsa angoa ke tlhahiso e ileng ea kena lethathamong ho fapana le thekiso ea hang-hang.
Endeavour e na le merafo e meraro ea silevera ea khauta Mexico: morafo oa Guanaceví seterekeng sa Durango, morafo oa Bolañitos o Guanajuato le El Compás seterekeng sa Zacatecas.
Likhamphani tse ling tse 'maloa, ho kenyelletsa Newmont Mining (NYSE: NEM), Pan American Silver (TSX: PAAS), Alamos Gold (TSX, NYSE: AGI), Argonaut Gold (TSX: AR), Sierra Metals (TSX: SMT), Excellon Resources. (TSX: EXN) le Torex Gold (TSX: TXG), ba qalile hape merafo ea bona ea Mexico kapa ba rera ho etsa joalo matsatsing a tlang.
Tšepe e otlang ka thata
Silver esale e le thepa e anngoeng haholo ke ho koaloa ha merafo e laetsoeng ke mebuso ho thibela ho ata ha coronavirus.
Mexico, e leng mohlahisi ea phahameng ka ho fetesisa oa tšepe lefatšeng ka bophara, ka 2020 e tobane le ho putlama ho hoholo nalaneng ea eona kaha moruo o seng o ntse o fokola o ke ke oa sebetsana le phello ea seoa sa coronavirus.
Moruo oa naha o lebeletsoe hore o tla etsa konteraka 6.7% selemong sena, ho teba ho feta nakong ea Tequila Crisis e senyang bohareng ba lilemo tsa bo-1990, lipatlisiso tsa morao-rao tsa bahlahlobisisi ba Citibanamex li bontša.
Mexico e ikarabella bakeng sa hoo e ka bang 23% ea tlhahiso ea silevera ea lefats'e, e sebelisang li-ounces tse fetang limilione tse 200 selemong se fetileng, ho tloha ho li-ounces tse limilione tse 196.6 ka 2018.
E boetse e na le merafo e meholo ea koporo le zinki, e sebelisoang ke Grupo Mexico le Southern Copper, 'me e hlahisa palo e kholo ea khauta, e leng se etsang hore lekala la merafo le ikarabelle bakeng sa hoo e ka bang 4% ea kakaretso ea lihlahisoa tsa naha.
Khetho ea Lintho tsa Ball Mill Liner
Lintho tse fapaneng tse sithabetseng, maemo a fapaneng a ts'ebetso a hloka li-liner tse fapaneng hore li lumellane. Hape, phaposi e mahoashe ea ho sila le phaposi ea ho sila e mahoashe e hloka li-liner tse fapaneng.
H&G Machinery e fana ka lisebelisoa tse latelang ho lahlela liner ea hau:
Tšepe ea Manganese
Liteng tsa manganese tsa leloala le phahameng la tšepe la manganese ka kakaretso ke 11-14%, 'me khabone hangata ke 0.90-1.50%, boholo ba eona e kaholimo ho 1.0%. Ka meroalo e nang le tšusumetso e tlase, boima bo ka fihla HB300-400. Ka meroalo e matla, boima bo ka fihla HB500-800. Ho itšetlehile ka mojaro oa tšusumetso, botebo ba lera le thata bo ka fihla ho 10-20mm. Sekhahla se thata se nang le boima bo phahameng se ka hanela tšusumetso le ho fokotsa ho roala ha abrasive. Litšepe tse phahameng tsa manganese li na le ts'ebetso e ntle ea anti-wear tlasa maemo a matla a ho roala, kahoo hangata e sebelisoa likarolong tse sa sebetseng tsa meepo, lisebelisoa tsa kaho, matla a mocheso le lisebelisoa tse ling tsa mochini. Tlas'a maemo a maemo a tlase a ts'oaetso, tšepe e phahameng ea manganese e ke ke ea sebelisa litšobotsi tsa thepa hobane phello e thata ea mosebetsi ha e totobetse.
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | 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 |
Thepa ea mochini le sebopeho sa metallographic
| Lebitso | Ho thatafala ha Bokaho (HB) | Boleng ba tšusumetso Ak (J/cm2) | Microstructure |
| Mn14 Mill Liner | ≤240 | ≥100 | A+C |
| Mn18 Mill Liner | ≤260 | ≥150 | A+C |
| C -Carbide | Carbide A-E bolokiloe austenite | Austenite | |||
Tlhaloso ea lihlahisoa
| Boholo | Hole Dia. (mm) | Bolelele ba Liner (mm) | ||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Mamello | +20 | +30 | +20 | +3 |
Chrome Alloy Steel
Chromium alloy cast iron e arotsoe ka tšepe e phahameng ea chromium alloy cast iron (chromium content 8-26% carbon content 2.0-3.6%), medium chromium alloy cast iron (chromium content 4-6%, carbon content 2.0-3.2%), low chromium Mefuta e meraro ea alloy cast iron (litekanyetso tsa chromium 1-3%, litaba tsa carbon 2.1-3.6%). Tšobotsi ea eona e tsotehang ke hore microhardness ea M7C3 eutectic carbide ke HV1300-1800, e ajoang ka mokhoa oa marang-rang a robehileng le ho aroloa ho martensite (mohaho o thata ka ho fetisisa ka matrix a tšepe) matrix, ho fokotsa phello ea cleavage holim'a matrix. Ka hona, mohala o phahameng oa chromium alloy o na le matla a phahameng, ho tiea ha leloala la bolo, le khanyetso e phahameng ea ho apara, 'me ts'ebetso ea eona e emela boemo bo phahameng ka ho fetisisa ba lisebelisoa tsa morao-rao tsa tšepe.
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| High Chrome Alloy Liner | 2.0-3.6 | 0-1.0 | 0-2.0 | 8-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Bohareng ba Alloy Line ea Chrome | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Low Chrome Alloy Liner | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Thepa ea mochini le sebopeho sa metallographic
| Lebitso | Bokaholimo (HRC) Ak (J/cm2) | Microstructure | ||||
| High Chrome Alloy Liner | ≥58 | ≥3.5 | M+C+A | |||
| Bohareng ba Alloy Line ea Chrome | ≥48 | ≥10 | M+C | |||
| Low Chrome Alloy Liner | ≥45 | ≥15 | M+C+P | |||
| M-Martensite | C - Carbide | A-Austenite | P-Pearlite | |||
Tlhaloso ea lihlahisoa
| Boholo | Hole Dia.(mm) Bolelele ba Liner (mm) | |||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Mamello | +20 | +30 | +20 | +3 |
Cr-Mo Alloy Steel
H&G Machinery e sebelisa tšepe ea alloy ea Cr-Mo ho etsa liner. Thepa ena e ipapisitse le maemo a Australia, (AS2074 Standard L2B, le AS2074 Standard L2C) e fana ka tšusumetso e phahameng le ho hanyetsa ts'ebetso lits'ebetsong tsohle tsa semi-autogenous milling.
Sebopeho sa Lik'hemik'hale
| Khoutu | Lintho tsa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | 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 |
Thepa ea 'Mele & Microstructure
| Khoutu | Ho thatafala (HB) | Ak (J/cm2) | Microstructure |
| L2B | 325-375 | ≥50 | P |
| L2C | 350-400 | ≥75 | M |
| M-Martensite, C-Carbide, A-Austenite, P-Pearlite | |||
Ni-hard Steel
Ni-Hard ke tšepe e entsoeng ka tšepe e tšoeu, e kopantsoeng ka nickel le chromium e loketseng tšusumetso e tlaase, e thellang bakeng sa lisebelisoa tse metsi le tse omeletseng. Ni-Hard ke thepa e sa senyeheng ka ho fetelletseng, e entsoeng ka libopeho le libopeho tse loketseng ho sebelisoa libakeng tse mahlahahlaha le tse apereng le lits'ebetso.
Sebopeho sa Lik'hemik'hale
| Lebitso | C | Si | Mong | Ni | Kr | S | P | Mo | Ho thatafala |
| 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 |
Tshipi e Tshweu
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale(%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| Mohala o Mosoeu oa Tšepe | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Thepa ea 'Mele & Microstructure
| Lebitso | HRC | Ak(J/cm2) | Microstructure |
| Mohala o Mosoeu oa Tšepe | ≥58 | ≥3.5 | M+C+A |
| M-Martensite C- Carbide A-Austenite | |||
Haeba u na le lipotso tse khethehileng, ka kopo ikopanye le moenjiniere oa rona ho u sebeletsa!
Nick Sun [email protected]
Nako ea poso: Jun-19-2020