Ogo Ọhụrụ Igwe Ọdụdọ Igwe Ọdụdọ Njikwa Valve F00VC01509 Valve Assembly maka akụkụ mapụtara mmanụ injector Engine

N'ime usoro nkwenye bench, ike na mmanụ mmanụ nke injin diesel na-ebelata oge niile. Mgbe ulechara, ọnụ ọgụgụ mmanụ nke injector belatara, wee chọpụta na oche mkpuchi nke valvụ agịga agịga na-eyi akwa akwa. Dị ka data ule si kwuo, ejiji nke oche mkpuchi mkpuchi nke valve valve ahụ na-akpata site na oke mmetụta dị n'elu oche mkpuchi mgbe edobere valve agịga injector. Site na imezi valvụ nchịkwa injector na ibelata dayameta nke valvụ agịga ahụ, ike mmetụta nke valvụ agịga na elu oche mkpuchi na-ebelata. Achọpụtara injector emelitere site na ịdịte aka igwe. N'oge ule na-adịgide adịgide, ike na mmanụ ọkụ na-akwụsi ike, na uwe nke pin valve body akara oche ka dị n'ime oke uru. A doziri nsogbu ahụ. Ngwọta nke nsogbu a na-enye ahụmahụ na ntụaka maka imepụta valvụ nchịkwa injector, ma na-enye nkwado data maka mmetụta mmetụta nke oche mkpuchi nke valve valve ahụ nwere ike idi. ọdịdị nke ịgbasa mmanụ ọkụ na njirimara injection mmanụ. N'ịchọ mmebi nke valvụ agịga na-ejikọta ọnụ n'okpuru omume nke ugboro dị elu na oke nrụgide nrụgide, ule ike ọgwụgwụ kọntaktị, microscope metallographic (OM) nwere usoro nyocha ihe onyonyo na igwe nyocha ihe igwe eletrọn ka a na-eji iji mụọ ọdịda ọdịda nke . mkpuchi mkpuchi nke oche valvụ agịga na nrụrụ omume nke oche valvụ agịga n'okpuru nrụgide dị iche iche na ụdị ntinye. Nsonaazụ na-egosi na isi ike ọgwụgwụ ọnọdụ mmebi nke agịga valvụ njikọ n'okpuru dị iche iche loading mode bụ kọntaktị ike ọgwụgwụ nke mkpuchi mkpuchi nke agịga valve base. N'ime ha, n'elu kọntaktị nrụgide nkesa nke n'elu loading elekere elekere valvụ ahụ bụ edo, na ike ọgwụgwụ dị elu (228 MPa), ebe nzọụkwụ elu loading na-adịkarị mfe loading ike, na-akpata ike ọgwụgwụ mbụ lekwasịrị anya na ọkara. Mpaghara okirikiri, mmebi ike ọgwụgwụ na mmebi na-ezighi ezi, na oke ike ọgwụgwụ dị obere, naanị 74.6% nke nbudata n'elu.