Gịnị bụ quenching?
Ngwọta nkwụsịtụ bụ usoro ọgwụgwọ okpomọkụ nke ígwè nwere carbon ọdịnaya nke 0.4% na-ekpo ọkụ ruo 850T ma mee ka ọ dị jụụ ngwa ngwa.Ọ bụ ezie na imenyụ emenyụ na-abawanye ike, ọ na-amụbakwa nkụja.A na-ejikarị quenching mgbasa ozi na-agụnye mmiri nnu, mmiri, mmanụ ịnweta mmanụ, ikuku, wdg. Quenching nwere ike imeziwanye ike ma na-eyi nguzogide metal workpieces, a na-ejikwa ya na ngwá ọrụ dị iche iche, ihe ọkpụkpụ, ngwá ọrụ nha, na akụkụ ndị na-eguzogide ọgwụ (dịka. gia, rollers, carburized akụkụ, wdg).Site na ijikọta quenching na tempering na okpomọkụ dị iche iche, ike na ike ọgwụgwụ nke ígwè nwere ike ime ka ọ dịkwuo mma, na nhazi n'etiti ihe ndị a nwere ike imezu ihe dị iche iche chọrọ.
Gịnị bụ nzube e ji emenyụ ígwè?
Ebumnobi nke quenching bụ ịgbanwe undercooled austenite ka ọ bụrụ martensite ma ọ bụ bainite iji nweta martensite ma ọ bụ bainite Ọdịdị, na mgbe ahụ na-arụkọ ọrụ na tempering na dị iche iche okpomọkụ ka budata mma siri ike, isi ike, iyi nguzogide, ike ọgwụgwụ, na ike nke ígwè, si otú izute dị iche iche ojiji chọrọ nke dị iche iche n'ibu akụkụ na ngwaọrụ.Ọ ga-ekwe omume izute ihe pụrụ iche anụ ahụ na kemịkal nke ụfọdụ nchara pụrụ iche, dị ka feromagnetism na nguzogide corrosion, site na nkwụsị.
Elu ugboro quenching nke S45C ígwè
1. High ugboro quenching na-akasị ji maka elu quenching nke ulo oru metal akụkụ.Ọ bụ usoro ọgwụgwọ okpomọkụ nke ígwè nke na-emepụta ihe ụfọdụ na-eme ka ọ dị ugbu a n'elu nke ngwaahịa na-arụ ọrụ, na-ekpo ọkụ ngwa ngwa n'elu akụkụ ahụ, wee mebie ya ngwa ngwa.Akụrụngwa kpo oku induction na-ezo aka na akụrụngwa igwe na-ebute ikpo ọkụ nke workpieces maka imenyụ elu.Ụkpụrụ bụ isi nke ikpo ọkụ induction: A na-etinye workpiece ngwaahịa n'ime inductor, nke na-abụkarị tube ọla kọpa nwere oghere ntinye ugboro ma ọ bụ ike AC dị elu (1000-300000Hz ma ọ bụ karịa).Ọgbọ nke oghere ndọta na-agbanwe agbanwe na-ebute ihe a na-eme ugbu a nke otu ugboro na workpiece.A na-ekesa ugbu a n'ụzọ na-ezighi ezi n'elu, siri ike n'elu, mana adịghị ike n'ime ya, na-abịaru nso 0 na etiti.Site tinye n'ọrụ a akpụkpọ mmetụta, elu nke workpiece nwere ike ngwa ngwa kpụ ọkụ n'ọnụ, na n'ime a sekọnd ole na ole, elu okpomọkụ nwere ike ngwa ngwa mụbaa 800-1000 ℃, na a obere abawanye na etiti okpomọkụ.Isi ike elu elu nke ígwè 45 ka emenyụchara ugboro ugboro nwere ike iru HRC48-53.Mgbe nkwụsị nke ugboro ugboro dị elu, nguzogide iyi na ịdị irè ga-abawanye nke ukwuu.
Ọdịiche dị n'etiti nchara 2.45 na-emenyụ na enweghị emenyụ: Enwere nnukwu ọdịiche dị n'etiti nchara 45 emenyụ na enweghị emenyụ, tumadi n'ihi na agbanyụ ọkụ na nchara nwere ike nweta ike dị elu na ike zuru oke.Isi ike nke ígwè tupu emenyụ na iwe ọkụ dị gburugburu HRC28, na isi ike mgbe emenyụchara na iwe dị n'etiti HRC28-55.N'ozuzu, akụkụ nke ụdị ígwè a na-achọ ezigbo ihe nrụpụta ọrụ, ya bụ, iji nọgide na-enwe ike dị elu ma na-enwekwa plasticity na ike siri ike.
Oge nzipu: Nov-23-2023