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. Ngwaahịa nwere ike kewaa n'ime nkume ezé (eji ígwè ígwè, ore na na na), ụwa (ụrọ, ájá na graph Ngwuputa gia maka wdg), conical ezé (coal), eze oghere oghere, adabara echichi na akuakuzinwo ndu efere, adaba na dị iche iche stratum ịkụ ala 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, na-eyi na ọrụ hardening ọnọdụ.
Oge nzipu: Ọgọst-19-2018