Kua rite a Nevada Copper ki te mahi ano i te Q3
Ko te Nevada Copper (TSX: NCU) kei te anga whakamua ki te whakaara ano i nga mahi whakangao i te Q3 2020, i kii te rangatira o te kaupapa parahi Pumpkin Hollow i roto i te whakahoutanga o te Rātapu.
Production at the underground mine was I whakamutua te mahi i te timatanga o Paenga-whawha na te kaha o nga haerenga me nga waahi mahi i tukuna e te kawanatanga o Nevada hei aukati i te horapa o covid-19.
Hei wahanga o ana whakaritenga whakaara me te tere o te mahere whanaketanga maina, kua oti i a Nevada Copper te whanaketanga poutū o te rakau matua ki te hohonutanga whakamutunga o te 2,131 putu, a kei te haere tonu te whanaketanga taha ki te whakapiki i nga putunga ore i mua i te tiimata o te tipu. Kua timata ano te whakatikatika i nga kaimahi tipu, e kii ana te kamupene.
I taua wa, katahi ano ka taraihia e Nevada Copper tetahi putea whenua taapiri e 680 eka e tata ana ki te whare Pumpkin Hollow me te taha ki te taha rawhiti o te rohe o Tedeboy.
Ko te arotakenga o nga raraunga rangahau aero-aukume o mua kua kitea he teitei aukume e rite ana ki te tohu kohuke kohuke parahi i runga i te mata me nga tauira hopu e whakahoki ana i nga tohu parahi, e whakau ana i te ahua o tenei rawa katahi ano ka riro mai.
Kua whakawhiwhia e te kaipupuri hea a Pala Investments te tautoko utu herenga ki te kamupene me te putea mo te wa poto o te $5.5 miriona, ka tukuna he putea mena ka hiahiatia mo te whanaketanga me te whakaara ano i nga mahi i Pumpkin Hollow.
Ko nga hea o Nevada Copper i whakatuwherahia te huihuinga 10% teitei ake i runga i te TSX. Ko te kaihanga parahi e ahu mai ana i Vancouver he nui te maakete o te C $155.7 miriona.
Te Whiriwhiringa Rauemi Raina Pooro
He rereke nga mea pakaru, he rereke nga ahuatanga mahi me rereke nga raina rauemi kia pai. Ano hoki, ko te wahanga huri taratara me te wahanga huri miro pai e hiahia ana kia rereke nga raina rauemi.
H&G Machinery me te maha o nga kaihanga kuru o Haina. nga rauemi e whai ake nei hei whakarewa i to mira mira poroporo:
Konupora Steel
Ko te ihirangi konupora o te konupora teitei pereti mira mira mira te nuinga he 11-14%, me te ihirangi waro ko te tikanga 0.90-1.50%, te nuinga o nei kei runga ake 1.0%. I nga taumahatanga iti, ka eke te pakeke ki te HB300-400. I nga taumahatanga nui, ka eke te pakeke ki te HB500-800. I runga i te kawenga o te paanga, ka taea te hohonu o te paparanga whakapakeke ki te 10-20mm. Ka taea e te paparanga pakeke me te tino pakeke te aukati i te paanga me te whakaiti i te kakahu abrasive. Ko te rino konupora teitei he pai rawa atu te mahi aukati i te kakahu i raro i te ahua o te kaha o te awe o te awe, no reira ka whakamahia i roto i nga waahanga o te keri, nga mea hanga, te hiko waiariki, me etahi atu taputapu miihini. I raro i nga ahuatanga o te paanga iti, kaore e taea e te konupora teitei te whakamahi i nga ahuatanga o te rauemi na te mea kaore i te kitea te kaha o te whakapakeke mahi.
Hanganga matū
| Ingoa | Tito matū（%） | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Mn14 Miri Raina | 0.9-1.5 | 0.3-1.0 | 11-14 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
| Mn18 Miri Raina | 1.0-1.5 | 0.3-1.0 | 16-19 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
Ko nga ahuatanga miihini me te hanganga metallographic
| Ingoa | Maamaa Mata（HB） | Uara pānga Ak（J/cm2） | Hangangaiti |
| Mn14 Miri Raina | ≤240 | ≥100 | A+C |
| Mn18 Miri Raina | ≤260 | ≥150 | A+C |
| C -Carbide | Carbide A-Pumau Austenite | Austenite | |||
Whakatakotoranga hua
| Rahi | Kohao Dia.(mm）) | Raina Roa (mm) | ||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Te manawanui | +20 | +30 | +2 | +3 |
Chrome Alloy Steel
Ka wehea te rino koranu Chromium ki te rino chromium teitei (te ihirangi chromium 8-26% te ihirangi waro 2.0-3.6%), te rino whakarewa chromium reo (te ihirangi chromium 4-6%, te ihirangi waro 2.0-3.2%), te iti o te chromium E toru nga momo whakarewa rino (ko te chromium 1-3%, te waro 2.1-3.6%). Ko tana ahuatanga whakamiharo ko te microhardness o te M7C3 eutectic carbide ko HV1300-1800, ka tohatohahia i te ahua o te whatunga pakaru me te wehe i runga i te martensite (te hanganga tino uaua i roto i te matrix whakarewa) matrix, ka whakaiti i te painga o te pakaru i runga i te matrix. No reira, he kaha te kaha o te raima koranu-chromium teitei, he pakari te mira mira poroporo, he nui te aukati kakahu, a, ko ana mahi e tohu ana i te taumata teitei o nga taonga whakarewa o naianei.
Hanganga matū
| Ingoa | Tito matū（%） | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Raina Chrome Alloy teitei | 2.0-3.6 | 0-1.0 | 0-2.0 | 8-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Waenga Chrome Alloy Liner | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Raina Paariki Chrome iti | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Ko nga ahuatanga miihini me te hanganga metallographic
| Ingoa | Mata（HRC） Ak（J/cm2） | Hangangaiti | ||||
| Raina Chrome Alloy teitei | ≥58 | ≥3.5 | M+C+A | |||
| Waenga Chrome Alloy Liner | ≥48 | ≥10 | M+C | |||
| Raina Paariki Chrome iti | ≥45 | ≥15 | M+C+P | |||
| M- Martensite | C – Carbide | A-Austenite | P-Pearlite | |||
Whakatakotoranga hua
| Rahi | Kohanga Dia.（mm） Raina Roa（mm） | |||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Te manawanui | +20 | +30 | +2 | +3 |
Cr-Mo Alloy Steel
Ka whakamahia e te H&G Machinery te rino koranu Cr-Mo ki te whakarewa i te raina mira mira. Ko tenei rauemi i ahu mai i te paerewa o Ahitereiria, (AS2074 Paerewa L2B, me te AS2074 Paerewa L2C) he pai ake te awe me te mau atete i roto i nga tono mira ahua-autogenous katoa.
Hanganga matū
| Waehere | Huānga Matū（%） | |||||||
| 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 |
Taonga Tinana me te Hangangaiti
| Waehere | Maamaa（HB） | Ak（J/cm2） | Hangangaiti |
| L2B | 325-375 | ≥50 | P |
| L2C | 350-400 | ≥75 | M |
| M-Martensite, C-Carbide, A-Austenite, P-Pearlite | |||
Ni-pakeke Steel
Ko te Ni-Hard he rino ma, he mea whakakotahi ki te nickel me te chromium e tika ana mo te paheketanga iti, te paheketanga abrasion mo nga tono makuku me te maroke. Ko te Ni-Hard he mea tino aatete ki te kakahu, he mea maka ki roto i nga ahua me nga ahua e pai ana mo te whakamahi i nga taiao me nga tono.
Hanganga matū
| Ingoa | C | Si | Mn | Ni | Cr | S | P | Mo | Te pakeke |
| 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 |
Te rino ma
Hanganga matū
| Ingoa | Hanga Matū(%) | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Raina rino ma | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Taonga Tinana me te Hangangaiti
| Ingoa | HRC | Ak(J/cm2) | Hangangaiti |
| Raina rino ma | ≥58 | ≥3.5 | M+C+A |
| M-Martensite C- Carbide A-Austenite | |||
Mena kei a koe tetahi patai rawa, tena koa whakapiri mai ki ta maatau miihini ki te mahi i a koe!
Nick Sun [email protected]
Wā tuku: Hune-19-2020