piston mkpanaka igwe ihe

1. 45 # ígwè
N'okpuru ọnọdụ nkịtị, ọ bụrụ na ibu nke mkpanaka piston adịghị oke ibu, a na-ejikarị 45 # ígwè eme ihe maka mmepụta.Ebe ọ bụ na 45 # ígwè bụ ihe a na-ejikarị eme ihe na carbon carbon quenched na tempered structural steel, ọ nwere ike dị elu na ezigbo machinability, karịsịa mgbe welded roller frame agafeela ọgwụgwọ okpomọkụ gas, ọ nwere ike nweta ụfọdụ nguzogide., Plasticity na iyi nguzogide, ya mere ọ bụ otu n'ime ihe ndị a na-ejikarị eme ihe maka nhazi mkpanaka piston.

2.40Cr igwe
Ọ bụrụ na mkpanaka piston dị arọ, a na-ejikarị ígwè 40Cr mee ya.Ebe ọ bụ na ígwè 40Cr bụ ihe na-eme ka carbon na-emenyụ ọkụ ma na-ekpo ọkụ, ọ nwere ike siri ike na mmetụta dị ala okpomọkụ.Karịsịa mgbe a na-emenyụ ya ma na-ewe iwe ọkụ, ọ nwere ike inwe ihe ndị na-arụ ọrụ nke ọma n'ozuzu ya, na ike siri ike nwere ike iru n'etiti 32-36HRC, ya bụ, n'etiti ihe dịka 301-340HB, ka mkpanaka piston nwee ike ịrụ ọrụ na-eju afọ.Ya mere, a na-ejikarị mkpara piston mere nke 40Cr ígwè na piston mkpara nwere nnukwu mmetụta ike na ibu ibu ibu chọrọ.

Ọdịnaya akọwara n'elu bụ ihe a na-ejikarị eme ihe maka nhazi mkpanaka piston.Agbanyeghị, na mgbakwunye na ihe abụọ a, a na-ejikwa GCr15 steel, Sus304… wdg.Ya mere, a na-ahọrọ ihe ndị a na-eji maka nhazi nke mkpara piston dịka mkpa nke onwe ha si dị.N'ihi ihe dị iche iche, na akụkụ ụfọdụ ma ọ bụ ụfọdụ arụmọrụ, ha ga-enwekwa uru ụfọdụ dị iche na ihe ndị ọzọ..