Tempering bụ usoro ọgwụgwọ okpomọkụ nke workpiece na-emenyụ ma kpoo ọkụ na okpomọkụ n'okpuru Ac1 (mmalite okpomọkụ maka pearlite ka austenite mgbanwe n'oge kpo oku), na-ejide ya ruo oge ụfọdụ, wee mee ka ọ dị jụụ na okpomọkụ.
A na-esochi iwe ọkụ site n'ịkwụsị ya, n'ebumnobi nke:
(a) Wepụ nrụgide fọdụrụnụ nke a na-emepụta n'oge nkwụsị ọrụ iji gbochie nrụrụ na mgbawa;
(b) Gbanwee ike, ike, plasticity, na ike nke workpiece iji gboo mkpa arụmọrụ maka ojiji;
(c) Nhazi na nha nke kwụsiri ike, na-achọpụta izi ezi;
(d) Melite ma kwalite arụmọrụ nhazi. Ya mere, iwe iwe bụ usoro ikpeazụ dị mkpa maka ịnweta arụmọrụ achọrọ nke workpiece. Site na ijikọta quenching na tempering, a chọrọ n'ibu Njirimara nwere ike nweta. [2]
Dị ka ọnọdụ okpomọkụ dị n'elu si dị, enwere ike kewaa iwe ọkụ n'ime obere okpomọkụ, okpomọkụ na-ekpo ọkụ, na okpomọkụ dị elu.
Nkewa iwe ọkụ
Obere okpomọkụ tempering
Okpomọkụ nke workpiece na 150-250 °
Ebumnuche bụ ịnọgide na-enwe isi ike dị elu ma na-eyi nguzogide nke arụrụ arụ ọrụ, belata nrụgide fọdụrụnụ na nrịkasị ahụ n'oge imenyụ.
Tempered martensite enwetara mgbe tempering na-ezo aka na microstructure enwetara n'oge obere okpomọkụ tempering nke quenched martensite. Mechanical Njirimara: 58-64HRC, elu ike ike na eyi iguzogide.
Ngwa akporo: tumadi eji dị iche iche ụdị elu carbon ígwè ngwá ọrụ, ọnwụ ngwaọrụ, nha ngwaọrụ, ebu, Rolling bearings, carburized na elu quenched akụkụ, wdg [1]
Ọkpụkpọ okpomọkụ
Okpomọkụ nke workpiece n'etiti 350 na 500 ℃.
Ebumnuche bụ iji nweta ihe nrịbama dị elu na ntinye mkpụrụ, na ike siri ike kwesịrị ekwesị. Mgbe iwe gasịrị, a na-enweta troostite na-ekpo ọkụ, nke na-ezo aka n'ụdị duplex nke ferrite matriks nke etolite n'oge okpomọkụ martensite, ebe a na-ekesa obere carbides (ma ọ bụ cementite) n'ime matriks.
Ihe eji arụ ọrụ: 35-50HRC, oke ngbanwe dị elu, ebe mkpụrụ, na ụfọdụ siri ike.
Ngwa ngwa: tumadi eji maka isi iyi, isi iyi, forging anwụ, mmetụta ngwaọrụ, wdg [1]
Okpomọkụ dị elu
Tempering nke workpieces n'elu 500 ~ 650 ℃.
Ebumnuche bụ iji nweta akụrụngwa akụrụngwa zuru oke na ike dị mma, plasticity, na siri ike.
Mgbe iwe ọkụ gasịrị, a na-enweta sorbite na-ewe iwe, nke na-ezo aka n'ụdị duplex nke ferrite matrix nke etolite n'oge okpomọkụ martensite, ebe a na-ekesa obere carbides (gụnyere cementite) n'ime matriks.
Mechanical Njirimara: 25-35HRC, na ezi keukwu n'ibu Njirimara.
Oke ngwa: A na-eji ya eme ihe dị mkpa dị iche iche na-ebu ihe arụrụ arụ, dị ka mkpanaka njikọ, bolts, gears, and shaft part.
The mejupụtara okpomọkụ ọgwụgwọ usoro nke workpiece quenching na elu okpomọkụ tempering na-akpọ quenching na tempering. Enwere ike iji Quenching na tempering ọ bụghị naanị maka ọgwụgwọ okpomọkụ ikpeazụ, kamakwa maka ọgwụgwọ okpomọkụ nke ụfọdụ akụkụ ziri ezi ma ọ bụ akụkụ kụnwụrụ.
Email:oiltools14@welongpost.com
Grace Ma
Oge nzipu: Nov-03-2023
