Otu esi aghọta ọkpụrụkpụ nke chrome plating maka nhazi mkpanaka piston ziri ezi

Nkenke piston mkpanaka ugbu a na-eji na ọtụtụ ụlọ ọrụ na a ngwaahịa, ọ bụ n'ihi na piston mkpara na-ọtụtụ ebe na-eji, otú ndị mmadụ maka piston mkpara mmepụta ihe nhọrọ bụkwa ihe ọzọ anya na oke nke dị iche iche mmepụta ihe, mgbe ahụ, ya mmepụta nke. arụmọrụ mkpanaka piston ziri ezi na njirimara dịkwa iche.

45 # ígwè bụ carbon structural ígwè, ọ bụ ezigbo oyi na-ekpo ọkụ nhazi arụmọrụ, n'ibu Njirimara, elu ike.45 # ígwè na quenching na-enweghị tempering tupu, hardness karịrị HRC55 maka ruru eru, na mgbe okpomọkụ ọgwụgwọ, na mgbe ahụ quenching nwere ike iru HRC42-46, nke mere na nkenke piston mkpara nwere ezi n'ibu Njirimara na hardness.

40Cr bụ igwe anaghị agba nchara carbon, mgbe ọgwụgwọ okpomọkụ kwesịrị ekwesị, ị nwere ike nweta ezigbo ike, plasticity.Ma ọ nwere ike inwe ezi keukwu n'ibu Njirimara mgbe tempering ọgwụgwọ, ezi ala okpomọkụ mmetụta siri ike.Tụkwasị na nke a, ígwè a dị mma maka cyanidation na ọgwụgwọ nkwụsịtụ ugboro ugboro na mgbakwunye na ọgwụgwọ ọkụ.

GCr15 ígwè bụ ụdị alloy ọdịnaya obere elu carbon chromium agba ígwè, na dịtụ elu hardenability, mgbe okpomọkụ ọgwụgwọ nwere ike nweta mgbe elu na edo isi ike.Ma mgbe ọ na-emenyụ gbakwunyere ala okpomọkụ tempering ọgwụgwọ, ọ pụrụ inwe a elu ekweghị ekwe, edo nzukọ na dịtụ elu kọntaktị ike ọgwụgwụ Njirimara na iwe brittleness.

Sus304 nwere a dịtụ elu corrosion eguzogide, nwere ike ịbụ na ala okpomọkụ, ụlọ okpomọkụ na elu okpomọkụ bụ elu plasticity na siri ike na mma oyi akpụ na weldability.N'ihi na austenite ya enweghị mgbanwe nke oge mgbe ọ na-ekpo ọkụ, a gaghị enwe ike iwusi mkpara piston ziri ezi site na ọgwụgwọ okpomọkụ na enwere ike ịgwọ ya naanị okpomọkụ iji mee ka nguzogide corrosion ígwè sikwuo ike.

Ekwesịrị ikpebi ọkpụrụkpụ nke chrome plating nke usoro mkpara piston ziri ezi yana njikọ n'ezie.Na piston mkpara chrome plating usoro, ọkpụrụkpụ nke chrome oyi akwa nwere mmekọrịta chiri anya na elu ike nke mkpanaka.Mgbe a na-eme plating chrome, enwere ike ikpebi nke a dịka ihe ndị ahịa chọrọ iji nweta ezigbo arụmọrụ.
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