Ọnụ ego ọla kọpa na-arị elu ruo afọ abụọ

Ọnụ ahịa ọla kọpa gbagoro na Tuesday mgbe nkwekọrịta nke nnukwu atụmatụ mkpali akụ na ụba na Europe, nchekwube banyere ọgwụ mgbochi COVID-19 na nchegbu na-aga n'ihu banyere ihe butere ọrịa na-efe efe sitere na South America na-emepụta ihe.

Ọla kọpa maka nnyefe na azụmaahịa Septemba na New York gbanwere aka maka $2.9750 otu paụnd ($ 6,560 otu tonne) na azụmaahịa mbụ nke ehihie, gbagoro 2% site na mmezi Mọnde.

Ọnụ ahịa ọla kọpa na-aga n'ihu maka nke kachasị nso n'ime afọ abụọ ma ugbu a rịgoro karịa 50% site na mbelata Covid-19 dara na March.

BHP ọla kọpa na-egwupụta ọla kọpa ekwupụtala na Tuesday na ọ na-atụ anya ka mmepụta ọla kọpa daa n'etiti 5% na 14% n'afọ mmefu ego ya na-esote ruo njedebe-June 2021.

BHP, nke nwere ma na-arụ ọrụ Escondida na Chile, ogbunigwe ọla kọpa kachasị n'ụwa, kwuru na ọdịda a na-atụ anya na mmepụta ọla kọpa bụ n'ihi mbelata ndị ọrụ ya metụtara mmachi covid-19.

Ụlọ ọrụ Melbourne na-atụ anya mmepụta ọla kọpa 2020-2021 n'etiti tọn 1.48m - 1.65m, gbadara site na tọn 1.72m emepụtara n'afọ gara aga. 

N'akwụkwọ akụkọ na-adịbeghị anya, Capital Economics na-egosi na ọnụ ọgụgụ mmepụta agbadala nke ọma na Chile, Peru na Mexico, bụ ndị jikọtara ọnụ maka 45% nke mmepụta ụwa.

Mmepụta bụ ugbu a na ọkwa ikpeazụ hụrụ na 2017 n'oge iku ogologo oge na Escondida, nke n'onwe ya na-ahụ maka ihe fọrọ nke nta ka ọ bụrụ 5% nke mmepụta ụwa niile.

Mbubata ndị China na-arị elu

Ihe omuma nke kọstọm ewepụtara n'izu gara aga gosipụtara mbubata ọla kọpa nke China na-emeghị (anodes na cathodes) na June bilitere 50% dị egwu site na ọnwa gara aga ruo tọn 656,483 - 15% zuru oke karịa ndekọ ọnwa gara aga.

Ibu nke June ji okpukpu abụọ karịa nke otu ọnwa n'afọ gara aga dị ka akụrụngwa na mpaghara nrụpụta na China, nke na-akpata ihe karịrị ọkara oriri ọla kọpa n'ụwa, na-agbake ngwa ngwa ka ndakpọ nke Covid-19.

N'ime ọkara mbụ nke 2020, mbubata ruru tọn 2.84m - gbagoro 25% n'afọ na ụzọ iji merie ndekọ afọ 2018 nke tonne 5.3 n'ụzọ dị mfe. 

Mbubata ọla kọpa na June dara na mberede, gbadara 6% ruo ton 1.69m site na Mee, mana ka na-abawanye 8.4% site na June nke afọ gara aga, n'ihi ọgba aghara na ogbunigwe na Peru, onye na-ebubata China.

Ihe ọzọ na-egosi na ọchọrọ karịrị a na-enweta bụ mbelata nke ọgwụgwọ na nnụcha ụgwọ. TC/RC nke ndị na-egwuputa ihe na-akwụ ndị na-egwupụta ihe na-adaba na afọ asatọ, ihe ịrịba ama nke asọmpi n'etiti ndị na-anụcha ihe maka ntinye uche dịnụ.

N'ime ọnwa isii mbụ nke 2020 mbubata mkpokọta tọn nde 10.84, na-aga n'ihu na-aga n'ọsọ karịrị nde nde tọn 22 nke afọ gara aga.  

Hedge ego ehi

Data Commodity Futures Trading Commission na-egosi ndobe ego mkpuchi mkpuchi n'ahịa ọla kọpa n'oge kachasị njọ n'ime afọ abụọ.

Ndị na-akpa nkata buru ibu dị ka ego mkpuchi wuru ogologo ọnọdụ (nzọ na ọla kọpa ga-ere ahịa n'ọkwa dị elu n'ọdịniihu) ka ọ bụrụ ọkwa ọrịa na-ebute ụzọ ma n'otu oge ahụ bee mkpirisi (nzọ na ọla kọpa nwere ike zụta azụ na ọnụ ala dị ala na. ọdịnihu).

Dị ka nke Tuesday n'izu gara aga, nguzozi net bụ mkpokọta ogologo oge nke nkwekọrịta 41,309, ihe fọrọ nke nta ka ọ bụrụ 30% site na izu gara aga na nkwupụta siri ike nke mmetụta ọjọọ kemgbe June 2018.

Ebee ka ebe nhịhịa ududo dị?

Osisi ududo ududo cone dị n'elu shei na ọ bụ ya na-ahụ maka ịkwado elu nke isi osisi, ọ bụkwa otu n'ime akụkụ ndị dị mkpa cone crusher mapụtara. Biko lelee na foto ndị a:

Kedu ihe bụ ihe na-akụ udide?

Ihe maka ududo bushing bụ ígwè isi awọ: EN-GJL-350.

Akụrụngwa ahụ bụ ígwè nkedo dị elu, nwere ezigbo ihe eji arụ ọrụ, yana ezigbo ikike ịmịkọrọ ike nke vibration nke crusher. Ọ bụ nnukwu enyemaka iji mee ka ntụgharị nke isi okporo osisi na-aga n'ihu, nke nwere ike ịnọgide na-eme ka mmepụta nke ihe nhịahụ gị kwụsie ike. A na-etinye ọgwụgwọ okpomọkụ nke iwe ọkụ iji hapụ nrụgide dị n'ime. Ọ bụ nnukwu enyemaka iji gbochie mgbanwe akụkụ akụkụ ahụ n'ọrụ kwa ụbọchị nke ihe nhịahụ gị. O doro anya na ọ nwere ike ịgbatị ndụ nke nhịhịa gị. A na-eji igwe CNC na-arụ ọrụ ikpeazụ iji hụ na nkwụsị nke ọ bụla, nke na-enyere aka mee ka mgbakọ gị dị mfe na ngwa ngwa, iji melite arụmọrụ nke mmepụta na mmezi gị.

Kedu ihe kpatara udide ududo ji dị mkpa?

Udide ududo nwere ọnụ ọgụgụ hourglass ma dị ka nke a ọ nwere nkwụsị nke ukwuu. Ozugbo ohia ududo anaghịzi akwado ogwe isi, ala nke ogwe isi na-arụ nnukwu ike n'ime ohia eccentric. Ọ bụrụ na anaghị echekwa ududo ududo, nsogbu ndị a ga-eme:

1. Ọkụ n'ime na mpụta eccentric ọhịa gbara ọkụ;
2. Nha isi aro;
3. Nkwụsị ụkwụ mebiri emebi;
4. Ogwe ebe emebi emebi;
5. Isi aro na ogwe aka aka mebiri emebi.

N'otu okwu, ịghara idobe ihe a ga-emebi ihe dị n'ime igwe nke cone crusher gị.

Kedu ka esi atụ nha udide ududo?

Ọ bụrụ na ị chọrọ ịzụta ududo bushings n'aka anyị, ị nwere ike izipu anyị gị eserese ma ọ bụ akụkụ nọmba. Ọ bụrụ na ịnweghị eserese ahụ, ka anyị duzie gị otu esi elele eserese cone crusher spider bushing eserese.

• Kwesịrị ịlele dayameta mpụga
• Kwesịrị ịlele dayameta dị n'ime
• Kwesịrị ịlele elu abụọ ahụ
• Kwesịrị ịlele oghere wụnye

Ọ bụrụ na ị nwere ụdị ajụjụ ọ bụla nke cone crusher spider bushings, biko zitere anyị eserese gị ma ọ bụ nọmba akụkụ ka anyị lelee.

@Nick Sun       [email protected]