My ụlọ ọrụ mmepụta nke excavator ịwụ ezé bụ ihe dị mkpa consumable akụkụ excavator, yiri mmadụ ezé, eze na eze n'ọnụ na-emi esịnede Nchikota nke ịwụ ezé, abụọ site pin aro njikọ.Enwere ike kewaa ngwaahịa ndị ahụ n'ime ezé nkume (eji ígwè ígwè, ore na ihe ndị ọzọ), ụwa (ụrọ, ájá na eserese maka ihe ndị ọzọ), ezé conical (coal), oghere oche eze, kwesịrị ekwesị maka ntinye na . akuakuzinwo ndu efere, adaba dị iche iche stratum mkpọpu ezé n'akuku mgbanwe.Excavator ịwụ ezé ihe na-ejikarị bụ usoro nke elu manganese ígwè, obere carbon martensitic elu chromium nkedo ígwè usoro, usoro, nke nwere àgwà nke elu manganese ígwè, ezi ike siri ike, eyi na-arụ ọrụ hardening ọnọdụ.
Oge nzipu: Ọgọst-19-2018