N'ịbawanye ahịa ahịa maka ngwaahịa rọba, nkwalite akụrụngwa na-akpụzi injection na-abawanye ngwa ngwa. Igwe na-akpụzi ịgba ọgwụ n'oge bụ hydraulic, n'afọ ndị na-adịbeghị anya enweela igwe igwe na-akpụzi nkenke ziri ezi nke ọkụ eletrik.
Mgbe China sonyeere World Trade Organisation (WTO), ụlọ ọrụ na-emepụta igwe si mba ofesi kwalitere mbufe ya na China. Ụfọdụ ụlọ ọrụ igwe na-akpụzi ịgba ọgwụ a ma ama n'ụwa, dị ka Germany Demark, Krupp, Badenfeld, na Sumitomo Heavy Industries, ejirila nke ọma biri na "China, ụfọdụ ewepụtala ụlọ ọrụ teknụzụ. Ntinye nke ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na China, n'otu oge ahụ, o mejuwo ohere na ihe ịma aka nke ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na China.
Ka ọ dị ugbu a, ngwaahịa igwe na-akpụzi injection nke China na-etinyekarị uche na ebumnuche izugbe na obere akụrụngwa. Na 1980s na 1990s, ọkọnọ nke ngwaahịa dị ala karịrị ihe achọrọ, ikike nrụpụta karịrị akarị, arụmọrụ ụlọ ọrụ ahụ dara. Ụdị ụfọdụ, ọkachasị ngwaahịa ndị nwere oke dị elu, ka nwere oghere ma ka dị mkpa ibubata. Dị ka ọnụ ọgụgụ na 2001 si kwuo, China na-ebubata igwe na-akpụzi injection site na iji mgbanwe mba ofesi nke ijeri US dollar 1.12, ebe igwe na-akpụzi injection na-enweta naanị 130 nde US dollar, na mbubata dị ukwuu karịa mbupụ.
Igwe akpụ akpụ akpụ hydraulic niile nwere ọtụtụ uru pụrụ iche na ịkpụzi nkenke na ụdị dị mgbagwoju anya. Ọ sitere na mmiri mmiri na-ejupụta na otu-cylinder nke ọdịnala na-ejuputa ụdị mmiri mmiri na-eme ka ọ bụrụ ihe dị ugbu a na-eme ka efere abụọ dị ugbu a, nke a na-agbanye efere abụọ ozugbo. Onye nnọchi anya kachasị, mana teknụzụ njikwa siri ike, nkenke nke nrụpụta dị elu, yana teknụzụ hydraulic siri ike ịmara.
Igwe eji akpụ akpụ akpụ ọkụ eletrik niile nwere ọtụtụ uru, ọkachasị n'ihe gbasara nchekwa gburugburu ebe obibi na nchekwa ike. N'ihi ịdị elu dị elu nke njikwa injection nke moto servo, ntụgharị ntụgharị na-akwụsikwa ike, enwere ike ịhazi ya n'ọtụtụ ọkwa. Otú ọ dị, igwe na-emepụta ihe na-emepụta ọkụ eletrik niile adịghị adịte aka dị ka igwe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe, ebe igwe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ na ọ ga-eji servo valves na-emechi emechi iji hụ na izi ezi, na valves servo dị oke ọnụ ma dị oke ọnụ.
Igwe eji akpụ akpụ akpụ akpụ eletriki-hydraulic bụ igwe na-akpụzi injection ọhụrụ na-ejikọta hydraulic na mbanye eletrik. Ọ na-ejikọta uru dị elu na-echekwa ike eletrik niile nke igwe na-akpụzi injection hydraulic zuru ezu. Igwe eji akpụ akpụ akpụ akpụ ọkụ eletrik-haịdrọlik aghọọla ụzọ mmepe nke teknụzụ igwe na-akpụzi injection. Ụlọ ọrụ ịkpụzi injection na-eche ohere mmepe ngwa ngwa ihu. Otú ọ dị, n'ụdị ọnụ ahịa nke ngwaahịa ịkpụzi injection, ụgwọ ọkụ eletrik na-akwụ ụgwọ maka oke. Dị ka ihe achọrọ nke usoro akụrụngwa ịkpụzi injection, moto mmanụ mgbapụta mmanụ ọkụ na-eri oke oke nke mkpokọta ike akụrụngwa. 50%-65%, ya mere ọ nwere nnukwu ikike ịzọpụta ike. Ịmepụta na ịmepụta ọgbọ ọhụrụ nke igwe na-akpụzi injection "na-azọpụta ike" aghọwo ihe dị ngwa ngwa ịṅa ntị na dozie nsogbu.
Oge nzipu: Ọktoba 19-2022