Ihe dị iche n'etiti iwe ọkụ na iwe ọkụ bụ:
N'ikwu ya n'ụzọ dị mfe, mgbakasị ahụ pụtara enweghị isi ike, na iwe ka na-ejigide ụfọdụ isi ike.
Na-ewe iwe:
Ihe owuwu enwetara site na iwe ọkụ dị elu na-ewe iwe sorbite. N'ozuzu, ọ bụghị naanị iwe iwe ọkụ. Ebumnuche bụ isi nke iwe ọkụ mgbe akụkụ quenching gasịrị bụ iji kpochapụ nrụgide na-ebelata ma nweta usoro achọrọ. Dị ka ọnọdụ okpomọkụ dị iche iche si dị, a na-ekewa tempering n'ime obere okpomọkụ, ọkara okpomọkụ na okpomọkụ dị elu. Enwetara iwe ọkụ martensite, troostite na sorbite n'otu n'otu.
N'ime ha, a na-akpọ ọgwụgwọ okpomọkụ na-ejikọta ya na okpomọkụ dị elu mgbe emechara quenching, na nzube ya bụ iji nweta ihe eji arụ ọrụ zuru oke na ike dị mma, ike, plasticity na siri ike. Ya mere, a na-eji ya eme ihe n'akụkụ akụkụ dị mkpa nke ụgbọ ala, traktọ, ngwá ọrụ igwe, wdg, dị ka njikọ njikọ, bolts, gears na shafts. Isi ike mgbe iwe ọkụ gasịrị bụ HB200-330.
na-ebelata:
Mgbanwe nke Pearlite na-eme n'oge annealing usoro. Ebumnuche bụ isi nke mgbakasị ahụ bụ ime ka usoro dị n'ime nke ígwè ahụ rute ma ọ bụ bịaruo ọnọdụ nha anya, ma kwadebe maka nhazi na-esote na ọgwụgwọ okpomọkụ ikpeazụ. Mkpuchi ahụ mgbakasị ahụ bụ usoro mgbakasị ahụ iji wepụ nrụgide fọdụrụnụ nke nhazi nrụrụ plastik na-akpata, ịgbado ọkụ, wdg na dị na nkedo. Enwere nrụgide dị n'ime ime n'ime workpiece mgbe ịghachara, nkedo, ịgbado ọkụ na ịkpụ. Ọ bụrụ na ewepụghị ya n'oge, a ga-emezigharị ọrụ ahụ n'oge nhazi na ojiji, nke ga-emetụta izi ezi nke workpiece.
Ọ dị ezigbo mkpa iji annealing enyemaka mgbakasị ahụ iji kpochapụ nrụgide dị n'ime na-emepụta n'oge nhazi. Okpomọkụ na-ekpo ọkụ nke mgbakasị nchekasị dị ala karịa oge mgbanwe mgbanwe nke oge, ya mere, ọ dịghị mgbanwe nhazi na-eme n'oge usoro ọgwụgwọ okpomọkụ dum. The esịtidem nchegbu na tumadi tutu amama site workpiece n'oge okpomọkụ ichekwa na nwayọọ nwayọọ usoro.
Iji kpochapụ nrụgide dị n'ime ụlọ nke workpiece nke ọma, a ghaghị ịchịkwa okpomọkụ ọkụ n'oge okpomọkụ. N'ozuzu, a na-etinye ya n'ime ọkụ na obere okpomọkụ, wee kpoo ọkụ na okpomọkụ a kapịrị ọnụ na ọkụ ọkụ nke ihe dịka 100 ° C / h. Okpomọkụ ikpo ọkụ nke weldment kwesịrị ịdị ntakịrị karịa 600 Celsius. Oge njide na-adabere na ọnọdụ ahụ, na-abụkarị awa 2 ruo 4. Oge njide nke mgbakasị ahụ mgbakasị ahụ na-ewe oke elu, a na-achịkwa ọnụego jụrụ oyi na (20-50) ℃/h, enwere ike mee ka ọ dị jụụ ruo n'okpuru 300 ℃ tupu enwee ike ịjụ oyi.
Enwere ike kewaa ọgwụgwọ ịka nká ụzọ abụọ: ịka nká eke na ịka nká. Eke ịka nká bụ itinye ihe nkedo n'ọhịa ihe karịrị ọkara afọ, nke mere na ọ ga-eji nwayọọ nwayọọ, nke mere na enwere ike iwepụ ma ọ bụ belata nrụgide fọdụrụnụ. Ịka nká bụ iji kpoo nkedo ahụ ruo 550 ~ 650 ℃ Mee mgbakasị ahụ mgbakasị ahụ, nke na-azọpụta oge ma e jiri ya tụnyere ịka nká, na-ewepụkwa nrụgide fọdụrụnụ nke ọma.
Kedu ihe na-ewe iwe?
Tempering bụ usoro ọgwụgwọ okpomọkụ nke na-ekpo ọkụ ngwaahịa metal ma ọ bụ akụkụ dị iche iche na okpomọkụ, wee mee ka ha dị jụụ n'ụzọ ụfọdụ mgbe ejiri ya ruo oge ụfọdụ. Tempering bụ ọrụ a na-eme ozugbo emenyụchara, ọ na-abụkarị ọgwụgwọ okpomọkụ ikpeazụ nke workpiece. Ya mere, a na-akpọ usoro nkwonkwo nke nkwụsịtụ na iwe ọkụ na-akpọ ọgwụgwọ okpomọkụ ikpeazụ. Isi ebumnuche nke imenyụ na iwe bụ:
1) Belata nrụgide dị n'ime ma belata nhịkọ. Akụkụ ndị emenyụla nwere nnukwu nrụgide na mgbaji. Ọ bụrụ na ha anaghị ewe iwe n'oge, ha na-enwekarị nkwarụ ma ọ bụ ọbụna gbawaa.
2) Gbanwee n'ibu Njirimara nke workpiece. Mgbe quenching, workpiece nwere nnukwu ike ike na elu brittleness. Iji mezuo ihe dị iche iche chọrọ ịrụ ọrụ nke ụdị ọrụ dị iche iche, enwere ike ịhazi ya site na iwe ọkụ, ike, ike, plasticity na ike.
3) Stable workpiece size. Enwere ike imezi ihe owuwu metallographic site na iwe iwe iji hụ na ọ nweghị nrụrụ ga-eme n'oge ojiji n'ọdịnihu.
4) Melite arụmọrụ ịkpụ nke ụfọdụ nchara alloy.
Na mmepụta, ọ na-adaberekarị na ihe ndị a chọrọ maka ịrụ ọrụ nke workpiece. Dị ka okpomọkụ dị iche iche na-ekpo ọkụ si dị, a na-ekewa ihe ọkụ ọkụ n'ime obere okpomọkụ, okpomọkụ na-ekpo ọkụ, na okpomọkụ dị elu. Usoro ọgwụgwọ okpomọkụ na-ejikọta quenching na nke na-esote okpomọkụ dị elu na-akpọ quenching na tempering, ya bụ, ọ nwere ezigbo plasticity na ike siri ike mgbe ọ na-enwe ike dị elu. A na-ejikarị ejikwa akụkụ nhazi igwe nwere nnukwu ibu, dị ka spindles igwe, ụgbọ ala azụ axle, ngwo dị ike, wdg.
Gịnị bụ quenching?
Quenching bụ usoro ọgwụgwọ okpomọkụ nke na-ekpo ọkụ ngwaahịa metal ma ọ bụ akụkụ dị elu n'elu oge mgbanwe mgbanwe nke oge, wee mee ngwa ngwa na-ajụ oyi na ọnụ ọgụgụ dị oke egwu dị egwu mgbe nchekwa okpomọkụ gasịrị iji nweta nhazi nke martensitic. Quenching bụ inweta ihe owuwu martensitic, na mgbe iwe ọkụ, workpiece nwere ike nweta arụmọrụ dị mma, nke mere na ọ ga-azụlite ikike nke ihe ahụ n'ụzọ zuru oke. Ebumnuche ya bụ:
1) Melite akụrụngwa igwe nke ngwaahịa igwe ma ọ bụ akụkụ. Dị ka ihe atụ: imeziwanye ike na iyi iguzogide ngwá ọrụ, bearings, wdg, na-amụba na-agbanwe ókè nke mmiri, na-eme ka keukwu n'ibu Njirimara nke aro akụkụ, wdg.
2) Melite njirimara ihe ma ọ bụ ihe kemịkalụ nke ụfọdụ nchara pụrụ iche. Dị ka ịkwalite nguzogide corrosion nke igwe anaghị agba nchara, ịba ụba magnetism na-adịgide adịgide nke ígwè magnetik, wdg.
Mgbe ị na-eme ka ọ dị jụụ ma dị jụụ, na mgbakwunye na nhọrọ ezi uche dị na ya nke ikpo ọkụ, a na-achọkwa ụzọ nkwụsị nke ọma. Ụzọ ndị a na-ejikarị emenyụ emenyụ gụnyere ikpochapụ otu mmiri mmiri, imenyụ mmiri abụọ, quenching graded, quenching isothermal, na nkwụsịtụ akụkụ.
Ọdịiche na njikọ dị n'etiti normalizing, quenching, annealing na tempering
Ebumnuche na iji normalizing
① N'ihi na hypoeutectoid ígwè, normalizing na-eji iji kpochapụ ekpo oke ọkụ keadighi rarii Ọdịdị na Widmanstaten Ọdịdị nke nkedo, forgings, na weldments, na banded Ọdịdị na akpọrepu ihe; nụchaa ọka; enwere ike iji ya dị ka ọgwụgwọ tupu ikpo ọkụ tupu emenyụ.
② Maka ígwè hypereutectoid, normalizing nwere ike iwepụ cementite nke abụọ reticular na nụchaa pearlite, nke ọ bụghị naanị na-eme ka ihe ndị na-emepụta ihe dịkwuo mma, kamakwa na-eme ka ọkpụkpụ spheroidizing na-esote.
③ Maka efere nchara dị obere na-adọkpụ, ịmegharị ahụ nwere ike iwepụ cementite n'efu na oke ọka iji meziwanye ihe omimi ha.
④ Maka obere carbon carbon na obere carbon carbon alloy steel, jiri normalizing nweta ihe owuwu pearlite ọzọ dị mma, mee ka ike sie ike na HB140-190, zere ihe omume nke "mma n'ịrapara n'ahụ" n'oge ịkpụ, ma melite machinability. N'ihi na ọkara carbon ígwè, mgbe ma normalizing na annealing nwere ike ji mee ihe, ọ bụ ihe echekwa na adaba iji normalizing.
⑤ N'ihi na nkịtị ọkara-carbon structural ígwè, normalizing ike ga-eji kama quenching na elu-okpomọkụ tempering mgbe n'ibu Njirimara na-adịghị elu, nke bụ bụghị nanị mfe iji rụọ ọrụ, ma stabilizes Ọdịdị na size nke ígwè.
⑥ Normalizing na elu okpomọkụ (150-200°C n'elu Ac3) nwere ike ibelata ihe mejupụtara nke nkedo na forgings n'ihi nnukwu mgbasa ọnụego na elu okpomọkụ. Enwere ike ihicha ọka ndị na-adịghị ahụkebe mgbe emezigharị na okpomọkụ dị elu site na ịmegharị normalize na okpomọkụ nke abụọ dị ala.
⑦ Maka ụfọdụ obere carbon alloy steels na-eji na turbines na ndị na-ekpo ọkụ ọkụ, a na-ejikarị eme ihe iji nweta nhazi bainite, wee kpoo ọkụ na elu okpomọkụ. Ọ nwere ezigbo nguzogide na-akpụ akpụ mgbe ejiri ya na 400-550 Celsius.
⑧ Na mgbakwunye na akụkụ ígwè na ngwaahịa nchara, a na-ejikwa normalizing eme ihe n'ọtụtụ ebe na ọgwụgwọ okpomọkụ nke ígwè ductile iji nweta pearlite matrix ma melite ike nke ígwè ductile.
Ebe ọ bụ na a na-eji normalizing ikuku jụrụ oyi, ọnọdụ okpomọkụ dị n'ime, usoro nchịkọta, ikuku ikuku na nha workpiece niile nwere mmetụta na nhazi na arụmọrụ mgbe emezigharị ya. A pụkwara iji usoro a na-ahazi nke ọma dị ka usoro nhazi nke ígwè alloy. N'ozuzu, alloy steels na-ekewa n'ime pearlite ígwè, bainite ígwè, martensitic ígwè na austenitic ígwè dị ka microstructure nwetara site kpo oku sample na dayameta nke 25 mm ka 900 Celsius C na ikuku jụrụ oyi.
Annealing bụ usoro ọgwụgwọ okpomọkụ nke ígwè nke a na-eji nwayọọ nwayọọ na-ekpo ọkụ na metal ahụ ruo oge ụfọdụ, na-edebe ya ruo oge zuru ezu, wee mee ka ọ dị jụụ n'ogo kwesịrị ekwesị. A na-ekewa ọgwụgwọ okpomọkụ na-ekpo ọkụ n'ime nkwụsị zuru oke, nkwụsịtụ na-ezughị ezu na nkwụsịtụ mgbakasị ahụ. Enwere ike ịchọpụta ihe eji arụ ọrụ nke ihe annealed site na nnwale tensile ma ọ bụ nnwale ike. A na-enye ọtụtụ ngwaahịa nchara n'ọnọdụ nkwụsịtụ na ọgwụgwọ okpomọkụ.
Rockwell hardness tester nwere ike iji nwalee ike nke ígwè. Maka efere ígwè dị gịrịgịrị, ibe nchara na ọkpọkọ ígwè nwere mgbidi, a pụrụ iji ihe nleba anya Rockwell hardness testers nwalee ike HRT.
Ebumnobi nke mgbakasị ahụ bụ:
① Meziwanye ma ọ bụ kpochapụ ntụpọ nhazi dị iche iche na nrụgide fọdụrụnụ kpatara site na nkedo ígwè, ịhịa aka n'ahụ, mpịakọta na ịgbado ọkụ, ma gbochie nrụrụ na mgbawa nke workpieces.
② Mee ka workpiece dị nro maka ịkpụ.
③ Ịnụcha ọka na imeziwanye ihe owuwu ahụ iji melite akụrụngwa akụrụngwa nke workpiece.
④ Mee nkwadebe nhazi maka ọgwụgwọ okpomọkụ ikpeazụ (quenching, tempering).
Usoro mgbakasị ahụ a na-ejikarị
① Annepụrụ nke ọma. A na-eji ya mee ka ihe arụrụ arụ arụrụ arụ na-adịghị mma ihicha ihe owuwu ekpo oke ọkụ na-adịghị mma mgbe nkedo, ịgbado na ịgbado ọkụ nke ọkara na obere carbon ígwè. Kpoo workpiece ahụ ruo 30-50 Celsius C n'elu okpomọkụ nke ferrite na-agbanwe kpamkpam ka ọ bụrụ austenite, mee ka ọ dị ọkụ ruo oge ụfọdụ, wee jiri nwayọọ nwayọọ na-eji ọkụ dị jụụ. N'oge usoro jụrụ oyi, austenite ga-agbanwe ọzọ iji mee ka nhazi ígwè ahụ dị ntakịrị.
② Spheroidizing annealing. A na-eji ya belata ike siri ike nke ngwá ọrụ ígwè na ígwè na-ebu ígwè mgbe e mesịrị. A na-ekpo ọkụ na-arụ ọrụ na 20-40 ° C n'elu okpomọkụ nke nchara na-amalite ịmalite austenite, wee jiri nwayọọ nwayọọ mee ka ọ dị jụụ mgbe nchekwa ọkụ. N'oge usoro jụrụ oyi, lamellar cimentite na pearlite na-aghọ okirikiri, si otú ahụ na-ebelata ike.
③ Isothermal annealing. A na-eji ya belata ike siri ike nke ụfọdụ nchara arụrụ arụ nwere nnukwu nickel na chromium maka ịcha. N'ozuzu, a na-ebu ụzọ mee ka ọ dị jụụ na okpomọkụ nke austenite na ngwa ngwa, ma debe ya maka oge kwesịrị ekwesị, austenite ga-agbanwe ghọọ troostite ma ọ bụ sorbite, na ike ibelata.
④ recrystalization annealing. A na-eji ya kpochapụ ihe na-eme ka ike sie ike (ịbawanye ike na ibelata na plasticity) nke waya ígwè na efere dị nro na usoro nke ịbịaru oyi na ntụgharị oyi. Igwe ọkụ na-ekpo ọkụ na-adịkarị 50-150 Celsius C n'okpuru okpomọkụ nke ígwè na-amalite ịmalite austenite. Naanị n'ụzọ dị otú a nwere ike iwepụ mmetụta na-arụsi ọrụ ike ma mee ka ígwè ahụ dị nro.
⑤ eserese eserese. A na-eji ya na-atụgharị ígwè nkedo nwere nnukwu cimentite ka ọ bụrụ ígwè nkedo na-adịghị mma nke nwere ezigbo plasticity. Usoro a na-arụ ọrụ bụ ikpo ọkụ nkedo ahụ ruo ihe dịka 950 Celsius, mee ka ọ dị ọkụ ruo oge ụfọdụ wee mee ka ọ dị jụụ nke ọma iji mebie cimentite iji mepụta otu graphite flocculent.
⑥ Mgbasa mgbasa. A na-eji ya eme ka ihe mejupụtara kemịkalụ kemịkalụ nke nkedo alloy dịkwuo mma ma melite arụmọrụ ha. Usoro a bụ ikpo ọkụ nkedo na okpomọkụ kachasị elu na-enweghị agbaze, ma mee ka ọ dị ọkụ ruo ogologo oge, wee jiri nwayọọ nwayọọ dị jụụ mgbe mgbasa nke ihe dị iche iche dị na alloy na-emekarị ka a na-ekesa ya.
⑦ mgbakasị ahụ mgbakasị ahụ. A na-eji kpochapụ nrụgide dị n'ime nke nkedo ígwè na welded. Maka ngwaahịa ígwè na ígwè na-ekpo ọkụ na 100-200 Celsius C n'okpuru okpomọkụ nke austenite na-amalite ịmalite, oyi na ikuku mgbe nchekwa okpomọkụ nwere ike iwepụ nrụgide dị n'ime.
Quenching, usoro ọgwụgwọ okpomọkụ maka ọla na iko. Na-ekpo ọkụ ngwaahịa ma ọ bụ iko alloy na ụfọdụ okpomọkụ, na mgbe ahụ ngwa ngwa jụrụ na mmiri, mmanụ ma ọ bụ ikuku, a na-ejikarị eme ka ike na ike nke alloy. Nke a na-akpọkarị "ịkụnye ọkụ". Metal okpomọkụ ọgwụgwọ na reheats na quenched workpiece na kwesịrị ekwesị okpomọkụ ala karịa ala oké egwu okpomọkụ, na mgbe ahụ cools ya ikuku, mmiri, mmanụ na ndị ọzọ na mgbasa ozi mgbe jide ya ruo oge ụfọdụ.
Ihe eji arụ ọrụ igwe nwere njirimara ndị a mgbe emechara ya:
①A na-enweta ihe owuwu na-enweghị isi (ya bụ, anaghị akwụsi ike) dị ka martensite, bainite, na austenite ejigidere.
②Enwere nnukwu nrụgide dị n'ime.
③Njirimara igwe enweghị ike imezu ihe achọrọ. Ya mere, ígwè workpieces n'ozuzu ga-ewe iwe mgbe quenching.
Ọrụ nke iwe iwe
① Meziwanye nkwụsi ike nke ihe owuwu ahụ, nke mere na workpiece agaghịkwa enwe mgbanwe anụ ahụ n'oge eji, nke mere na nha geometric na arụmọrụ nke workpiece ga-adịgide.
② Wepụ nrụgide dị n'ime iji meziwanye arụmọrụ nkeakụkụ cncma mee ka akụkụ geometric guzosie ikeakụkụ igwe nri.
③ Gbanwee akụrụngwa igwe nke igwe iji gboo ihe achọrọ iji mee ihe.
*Ihe kpatara iwe iwe ji enwe mmetụta ndị a bụ na mgbe okpomọkụ na-ebili, ọrụ nke atọm na-abawanye, na atom nke ígwè, carbon na ihe ndị ọzọ na-eme ka ihe ndị dị na ígwè nwere ike gbasaa ngwa ngwa iji ghọta nhazigharị nke atọm, si otú a na-eme ka ha ghara ịdị n'otu. Nzukọ ahụ na-enweghị isi na-eji nwayọọ nwayọọ ghọọ nzukọ kwụsiri ike. Ihe enyemaka nke nrụgide dị n'ime na-emetụtakwa mbelata nke ike ígwè ka okpomọkụ na-abawanye. N'ozuzu, mgbe ígwè na-ewe iwe, ike na ike na-ebelata, na plasticity na-abawanye. Ihe dị elu nke okpomọkụ na-ekpo ọkụ, otú ahụ ka mgbanwe dị na ihe ndị a na-arụ ọrụ. Ụfọdụ nchara ígwè nwere nnukwu ọdịnaya nke ihe ndị na-emepụta ihe ga-eme ka ụfọdụ ihe ndị na-emepụta ihe na-emepụta ihe na-eme ka ọ dị mma mgbe a na-ekpo ọkụ n'ụdị okpomọkụ, nke ga-eme ka ike na ike dịkwuo elu.
A na-akpọ ihe omume a hardening nke abụọ.
Achọrọ iwe ọkụ:workpieces nwere dị iche iche ojiji kwesịrị iwe ọkụ dị iche iche okpomọkụ izute ihe a chọrọ na ojiji.
① Ngwá ọrụ ịkpụ, bearings, carburized na quenched akụkụ, na elu quenched akụkụ na-emekarị tempered na okpomọkụ n'okpuru 250 ° C. Mgbe okpomọkụ dị ala, ike adịghị agbanwe nke ukwuu, nrụgide dị n'ime na-ebelata, na ike na-akawanye mma.
② Mmiri na-ekpo ọkụ na okpomọkụ na-ekpo ọkụ na 350-500 ° C iji nweta ihe dị elu na ike siri ike.
③ Akụkụ ndị e ji arụ ọrụ carbon carbon structural steel na-ewekarị ọkụ na oke okpomọkụ nke 500-600 Celsius C iji nweta ezigbo ngwakọta nke ike na ike.
Usoro ọgwụgwọ okpomọkụ nke quenching na okpomọkụ dị elu na-akpọkọta ọnụ quenching na tempering.
Mgbe a na-ekpo ọkụ nchara n'ihe dịka 300 Celsius, nhịkọ ya na-abawanye. A na-akpọ ihe omume a ụdị nke mbụ nke iwe ọkụ. N'ozuzu, ọ kwesịghị iwe ọkụ na oke okpomọkụ a. Ụfọdụ nchara carbon alloy structural steel na-adịkwa mfe ịghọ kenkuwa ma ọ bụrụ na ejiri nwayọọ nwayọọ mee ka ha dị jụụ ruo n'ime ụlọ mgbe okpomọkụ dị elu. A na-akpọ ihe omume a ụdị nke abụọ nke iwe ọkụ. Mgbakwunye nke molybdenum na ígwè, ma ọ bụ iju oyi na mmanụ ma ọ bụ mmiri n'oge okpomọkụ, nwere ike igbochi ụdị nke abụọ nke iwe ọkụ. Enwere ike iwepụ nhịkọ a site n'ịkwanye ụdị nchara nke abụọ na-ekpo ọkụ na okpomọkụ nke mbụ.
Annealing nke ígwè
Echiche: A na-ekpo ọkụ nchara ahụ, na-ekpo ọkụ wee mee ka ọ dị jụụ nwayọọ nwayọọ iji nweta usoro dị nso na nhazi nha.
1. Annealed zuru oke
Usoro: kpo oku Ac3 n'elu 30-50 ° C → okpomọkụ nchekwa → jụrụ oyi ruo n'okpuru 500 ° C na ọkụ → ikuku jụrụ na ụlọ okpomọkụ.
Ebumnuche: iji nụchaa ọka, nhazi otu, melite ike plastik, wepụ nrụgide dị n'ime, na ịkwado nhazi.
2. Isothermal annealing
Usoro: ikpo ọkụ n'elu Ac3 → okpomọkụ nchekwa → ngwa ngwa jụrụ na pearlite mgbanwe okpomọkụ → isothermal ọnụnọ → mgbanwe n'ime P → ikuku jụrụ nke ọkụ;
Ebumnuche: Otu dị ka n'elu. Ma oge dị mkpirikpi, dị mfe ịchịkwa, na deoxidation na decarburization dị obere. (Ọdabara na alloy steel na nnukwu carbonakụkụ ígwè ígwèya na ihe siri ike supercooling A).
3. Spheroidizing annealing
Echiche:Ọ bụ usoro nke spheroidizing cimentite na ígwè.
Ihe:Eutectoid na hypereutectoid ígwè
Usoro:
(1) Isothermal spheroidizing annealing kpo oku n'elu Ac1 ka 20-30 degrees → okpomọkụ nchekwa → ngwa ngwa jụrụ na 20 degrees n'okpuru Ar1 → isothermal → jụrụ ihe dị ka 600 degrees na ọkụ → ikuku jụrụ oyi nke ọkụ.
(2) Nkịtị spheroidizing annealing kpo oku Ac1 n'elu 20-30 degrees → okpomọkụ nchekwa → nnọọ nwayọọ jụrụ oyi ruo ihe dị ka 600 degrees → ikuku jụrụ oyi si n'ọkụ. (Ogologo okirikiri, obere arụmọrụ, ọ bụghị ọdabara).
Ebumnuche: iji belata isi ike, melite plasticity na ike siri ike, na ịkwado ịkpụ.
Mechanism: Mee mpempe akwụkwọ ma ọ bụ cementite netwọk ka ọ bụrụ granular (spherical)
Nkọwa: Mgbe annealing na kpo oku, ihe owuwu abụghị kpamkpam A, n'ihi ya, a na-akpọkwa annealing ezughị ezu.
4. Nchegbu enyemaka annealing
Usoro: kpo oku na ụfọdụ okpomọkụ n'okpuru Ac1 (500-650 degrees) → okpomọkụ nchekwa → ngwa ngwa jụrụ na ụlọ okpomọkụ.
Ebumnuche: Wepụ nrụgide dị n'ime mpụta nke nkedo, ịwụ, welded, wdg, ma mee ka nha nke ihe ndị ahụ kwụsie ike.ahaziri machining akụkụ.
Igwe ọkụ
Usoro: Tinyegharịa ígwè ahụ emenyụ ka ọ bụrụ okpomọkụ n'okpuru A1 ma mee ka ọ dị ọkụ, wee dị jụụ (na-emekarị ka ikuku dị jụụ) ruo ụlọ okpomọkụ.
Ebumnuche: Wepu esịtidem nchegbu kpatara quenching, kwụsie ike workpiece size, belata brittleness, na melite igbubi arụmọrụ.
Ngwa igwe: Ka ọnọdụ okpomọkụ na-abawanye, ike na ike na-ebelata, ebe plasticity na ike na-abawanye.
1. Low okpomọkụ tempering: 150-250 ℃, M ugboro, belata esịtidem nchegbu na brittleness, melite plastic siri ike, nwere elu ekweghị ekwe na-eyi iguzogide. A na-eji eme ihe eji atụ ihe, mma na ntugharị, wdg.
2. Na-ekpo ọkụ na ọkara okpomọkụ: 350-500 ° C, T oge, na elu elasticity, ụfọdụ plasticity na ike. A na-eji emepụta isi iyi, ịwa anwụ anwụ, wdg.
3. High okpomọkụ tempering: 500-650 ℃, S oge, na ezi keukwu n'ibu Njirimara. A na-eji eme ngwo, crankshafts, wdg.
Anebon na-enye ezigbo ike na ọganihu dị mma na ọganihu, ịzụ ahịa, nnukwu ahịa na ịkwalite na ịrụ ọrụ maka OEM/ODM Manufacturer Precision Iron Stainless Steel. Ebe ọ bụ na ụlọ ọrụ mmepụta ihe tọrọ ntọala, Anebon etinyela aka na ọganihu nke ngwaahịa ọhụrụ. Tinyere usoro mmekọrịta ọha na eze na nke akụ na ụba, anyị ga-aga n'ihu na-aga n'ihu na mmụọ nke "oke mma, arụmọrụ, ihe ọhụrụ, iguzosi ike n'ezi ihe", ma nọrọ na ụkpụrụ ọrụ nke "kredit mbụ, onye ahịa 1st, ezigbo mma magburu onwe ya". Anebon ga-emepụta ọdịnihu magburu onwe ya na mmepụta ntutu na ndị enyi anyị.
OEM / ODM emeputa China nkedo na ígwè nkedo, The imewe, nhazi, ịzụrụ, nnyocha, nchekwa, mgbakọ usoro bụ niile na nkà mmụta sayensị na irè akwụkwọ usoro, na-amụba ojiji larịị na ntụkwasị obi nke anyị ika miri emi, nke na-eme Anebon ghọọ elu soplaya nke isi ngwaahịa anọ, dị ka igwe CNC, akụkụ igwe igwe CNC, ntụgharị CNC na nkedo ígwè.
Oge nzipu: Mee-15-2023