Gịnị mere e kwesịrị iji gwọọ ọkpọkọ ígwè ọkụ?

Ọrụ nke ọgwụgwọ okpomọkụ bụ imeziwanye ihe eji arụ ọrụ nke ọkpọ ígwè, wepụ nrụgide fọdụrụnụ ma melite arụmọrụ ya.

Dị ka ebumnuche dị iche iche nke ọgwụgwọ okpomọkụ si dị, usoro ọgwụgwọ okpomọkụ nwere ike kewaa ụzọ abụọ: ọgwụgwọ okpomọkụ nke mbụ na ọgwụgwọ okpomọkụ ikpeazụ.

1. Ọgwụgwọ okpomọkụ mbụ

Ebumnuche nke ọgwụgwọ okpomọkụ nke mbụ bụ iji melite machinability, wepụ nchekasị dị n'ime ma kwadebe usoro metallographic dị mma maka ọgwụgwọ okpomọkụ ikpeazụ. Usoro ọgwụgwọ okpomọkụ ya gụnyere mgbakasị ahụ, normalizing, ịka nká, quenching na tempering, wdg.

(1) Mwepu na normalize

A na-eji annealing na normalizing maka oghere na-arụ ọrụ ọkụ. Maka carbon ígwè na alloy ígwè nwere carbon ọdịnaya karịa 0,5%, annealing ọgwụgwọ na-ejikarị belata ike ya na mfe ịkpụ; Maka ígwè carbon na alloy ígwè nwere carbon ihe na-erughị 0.5%, a na-anabata ọgwụgwọ nkịtị iji zere ịrapara ngwaọrụ ahụ n'oge ịcha. A na-ahazikarị ya mgbe nrụpụta oghere na tupu arụ ọrụ siri ike.

Why-should-steel-pipes-be-heat-treated1(1)

(2) ọgwụgwọ ịka nká

A na-ejikarị ọgwụgwọ ịka nká eme ihe iji wepụ nrụgide dị n'ime ahụ nke a na-emepụta na mmepụta na ígwè ọrụ efu.

Iji zere ibu ọrụ ụgbọ njem gabigara ókè, maka akụkụ ndị zuru oke, enwere ike ịhazi ọgwụgwọ ịka nká tupu emechaa. Agbanyeghị, maka akụkụ nwere oke ziri ezi chọrọ, a ga-ahazi usoro ọgwụgwọ ịka nká abụọ ma ọ bụ karịa. Achọghị ọgwụgwọ ịka nká n'ozuzu maka akụkụ dị mfe.

(3) Nkwado

Quenching na iwe ọkụ na-ezo aka na ọgwụgwọ okpomọkụ dị elu mgbe emechara. Ọ nwere ike nweta otu ụdị sorbite dị ọkụ ma kwadebe maka ibelata nrụrụ n'oge nkwụsị elu na ọgwụgwọ nitriding n'ọdịnihu. Ya mere, quenching na tempering nwekwara ike iji dị ka mmalite ọgwụgwọ okpomọkụ.

2. Ọgwụgwọ okpomọkụ ikpeazụ

Ebumnuche nke ọgwụgwọ okpomọkụ ikpeazụ bụ imeziwanye ihe ndị na-emepụta ihe dị ka ike siri ike, eyi nguzogide na ike.

(1) Na-emenyụ

Quenching na-agụnye imenyụ elu na mkpochapụ n'ime ya. N'ime ha, a na-eji ikpochapụ elu mee ihe n'ihi obere nrụrụ ya, oxidation na decarburization. Ọzọkwa, n'elu quenching nwekwara uru nke elu mpụga ike, ezigbo eyi iguzogide, ezi esịtidem siri ike na ike mmetụta iguzogide.

Why-should-steel-pipes-be-heat-treated2

(2) Ịkụnye ọkụ

Carburizing na quenching bụ ọdabara na obere carbon ígwè na ala alloy ígwè. Firstly, dịkwuo carbon ọdịnaya nke elu oyi akwa nke akụkụ, na-enweta elu hardness mgbe quenching, mgbe isi ka na-ejigide a ụfọdụ ike na elu siri ike na plasticity.

(3) Ọgwụgwọ Nitriding

Nitriding bụ usoro ọgwụgwọ iji mee ka atom nitrogen banye n'elu igwe iji nweta oyi akwa nke ogige nwere nitrogen. Nitriding oyi akwa nwere ike imeziwanye ike ike, eyi nguzogide, ike ike ọgwụgwụ na nguzogide corrosion nke akụkụ. Ebe okpomọkụ ọgwụgwọ nitriding dị ala, nrụrụ ahụ dị ntakịrị, na oyi akwa nitriding dị gịrịgịrị (n'ozuzu ọ dịghị ihe karịrị 0.6 ~ 0.7mm), a ghaghị ịhazi usoro nitriding ka oge na-aga. Iji belata nrụrụ n'oge nitriding, a na-achọkarị ikpo ọkụ na-ekpo ọkụ iji kpochapụ nchekasị mgbe ịchachara.


Oge nzipu: Mar-04-2022
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