Isi mwepu nke mmiri dị ka a quenching jụrụ usoro maka forgings?

1) na austenite isothermal mgbanwe eserese nke a na-ahụkarị ebe, ya bụ, banyere 500-600 ℃, mmiri na uzuoku film ogbo, jụrụ ọnụego adịghị ngwa ngwa zuru ezu, na-emekarị na-enweghị isi obi jụrụ na ezughi oke jụrụ.forgings ọsọna nhazi nke "ebe dị nro" .Na usoro mgbanwe nke martensite, ya bụ, ihe dị ka 300-100 ℃, mmiri na-esi na mmiri na-esi ísì, ọnụego jụrụ oyi na-adị ngwa ngwa, dị mfe ime ka mgbanwe mgbanwe martensite dị ngwa ngwa. ma na-emepụta ọtụtụ nrụgide dị n'ime, na-eduga n'ịkpụpụta nrụrụ na ọbụna mgbawa.

2) Mmiri mmiri na-enwe mmetụta dị ukwuu na ike jụrụ oyi, n'ihi ya, ọ na-enwe mmetụta maka mgbanwe nke okpomọkụ. Ka mmiri na-ekpo ọkụ na-ebili, ike jụrụ oyi na-adaba nke ọma, na ọnọdụ okpomọkụ nke oke jụrụ oyi na-aga na obere okpomọkụ.Mgbe mmiri ọkụ na-agafe 30 ℃, ọnụego jụrụ oyi na-ebelata nke ukwuu na nso nke 500-600 ℃, nke na-emekarị. na-eduga hardening nkeforgings, ma nwere obere mmetụta na obi jụrụ ọnụego na nso nke martensite transformation.Mgbe mmiri okpomọkụ adahade 60 ℃, jụrụ ọnụego ga-ebelata site banyere 50%.

https://www.shdhforging.com/forged-blocks.html

mgbe mmiri ahụ nwere ọtụtụ gas (dị ka mmiri a gbanwere ọhụrụ), ma ọ bụ mmiri gwakọtara na adịghị ike na-adịghị edozi, dị ka mmanụ, ncha, apịtị, wdg, ga-ebelata ike ya nke ọma, n'ihi ya, e kwesịrị ilebara nlebara anya pụrụ iche anya na iji na njikwa ya. .
Dị ka àgwà jụrụ oyi nke mmiri, mmiri n'ozuzu H nwere ike tinye n'ọrụ na quenching jụrụ nke carbonígwè forgingsna obere ngalaba size na mfe shape.Quenching, ga-marakwa: na-mmiri okpomọkụ n'okpuru 40 ℃, ndị kasị mma n'etiti 15 ka 30 ℃, na na-mmiri ma ọ bụ mmiri mmiri mgbasa, ibibi forging elu uzuoku akpụkpọ ahụ, nwekwara ike iji siwing. workpiece n'oge quenching (ma ọ bụ mee ka workpiece na-akpali elu na ala) usoro iji tụgharịa uzuoku akpụkpọ ahụ, dịkwuo ogo nke jụrụ n'etiti 500-650 ℃, na ọnọdụ jụrụ oyi, zere imepụta ebe dị nro.


Oge nzipu: Jan-20-2021

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