Usoro mmepụta na usoro nke ọkụ na-ekpo ọkụ na-ekpo ọkụ ribbed ígwè mmanya
Usoro ndabere:
N'ahịa rebar dị ugbu a, hrb400e na-enweta ihe ndị ọzọ. Usoro ike microalloy bụ ụzọ isi mepụta hrb400e n'ụwa. Microalloy bụ tumadi vanadium alloy ma ọ bụ niobium alloy, nke na-eri ọtụtụ ihe alloy kwa afọ. N'ihi oke ịnweta ịnweta nwere vanadium na niobium, ọkọnọ nke ihe ndị a na-ekekọta ihe na-esikwa ike. Ya mere, ọ bụrụ na ihe alloy nke hrb400e ígwè mmanya nwere ike ibelata, ọ ga-emepụta nnukwu uru akụ na ụba na nke ọha mmadụ.
N'ime teknụzụ dị ugbu a, ahịrị nrụpụta waya abụọ na-agbagharị na-enweghị ibelata na nha igwe igwe na-agbagharị agbagharị na-anabatakarị vanadium alloy ike iji mepụta hrb400e, yana ọnụọgụ pasentị vanadium bụ 0.035% ruo 0.045%.
Patent China cn104357741a na-ekpughe ụdị hrb400e ike dị elu nke ala ọma jijiji na-egbochi igwe igwe na usoro mmepụta ya. Site na usoro ahụ, a na-emepụta ngwaahịa a rụchara site na ibelata na nha igwe igwe na-akpụ akpụ, nke nwere ike hụ na a na-atụgharị ígwè a na-emecha na obere okpomọkụ nke 730 ~ 760 ℃ iji nweta N'ihi na ọka dị mma, usoro a adịghị mma maka ahịrị mmepụta. na-enweghị ibelata nha igwe igwe. Chinese patent cn110184516a discloses a nkwadebe usoro nke elu waya φ6mm ~ hrb400e coiled ịghasa. Site n'enyemaka nke ike na-akpụ akpụ nke akụrụngwa, obere okpomọkụ na-atụgharị na-amalite site na okpomọkụ ọkụ, na mmepụta na-enweghị microalloying na-emezu. Mwepu nke usoro a bụ na ihe ndị a chọrọ maka ike na moto ịrụ ọrụ nke ngwa ike na-agbagharị agbagharị dị oke elu, karịsịa maka ahịrị mmepụta nke torsion rolling, nke na-ebelata ndụ nnwale nke akụrụngwa ma na-abawanye ụgwọ mmezi nke akụrụngwa, na mkpụrụ ike nke elu waya φ6mm ~ hrb400e eriri igwe na-emepụta site na usoro a bụ njupụta. Ọnụego ezughi oke, ọ siri ike ikwenye ọnụego ntozu arụmọrụ.
Ihe mmejuputa nka nka:
Ihe ohuru ohuru a bu n’obi inye usoro maka imepụta ogwe nchara na-ekpo ọkụ na-ekpo ọkụ, ọkachasị usoro maka imepụta ejula akpọnwụ akpọnwụ maka waya dị elu φ8 ~ φ10mm ~ hrb400e, nke na-emeri adịghị ike ndị a kpọtụrụ aha n'elu nke nka mbụ wee belata mmepụta. akwụ ụgwọ.
Atụmatụ nka nka nke ihe mepụtara ugbu a:
Usoro mmepụta nke igwe na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, nkọwapụta nke eriri waya ribbed bụ φ8 ~ φ10mm, na usoro nkà na ụzụ na-agụnye ikpo ọkụ - billeting - roughing rolling - medium rolling - cooling - pre-finshing - cooling - finishing - cooling na-agbagharị - Tebụl igwe na-eme ka ikuku dị jụụ-nchịkọta eriri igwe-iji nwayọ nwayọ; pasent nke ihe mejupụtara kemịkalụ nke ígwè bụ c=0.20% ~0.25%, si=0.40%~0.50%, mn=1.40%~1.60%, p≤0.045%, s ≤0.045%, v=0.015%~0.020%, ndị ọzọ bụ Fe na ihe ndị na-adịghị ọcha na-apụghị izere ezere; isi usoro nzọụkwụ na-agụnye: ọkụ okpomọkụ bụ 1070 ~ 1130 ℃, na prefinishing Rolling okpomọkụ bụ 970 ~ 1000 ℃, na finishing Rolling okpomọkụ bụ 840 ~ 1000 ℃. 880 ℃; Ịtọ okpomọkụ 845 ~ 875 ℃; okpomọkụ ikpeazụ na-atụgharị dị n'okpuru okpomọkụ recrystallization nke mpaghara austenite; ngwa ngwa jụrụ oyi site na fan na tebụl rola ikuku jụrụ oyi, olu ikuku bụ 100%; The okpomọkụ nke mkpuchi bụ 640 ~ 660 ℃, okpomọkụ nke okpomọkụ nchekwa cover bụ 600 ~ 620 ℃, na oge na okpomọkụ ichebe cover bụ 45 ~ 55s.
Ụkpụrụ nke ihe mepụtara: na okpomọkụ nke 840-880 ℃, a na-agbatị ọka austenite site na nrụrụ na-atụgharị, ma recrystallization anaghị eme. Otú ọ dị, a na-emepụta eriri deformation na mkpụrụ ọka austenite, na njedebe nke eriri deformation na-adịkarị n'ókè nke ọka, na e nwekwara ihe ndọghachi azụ na ọka dị ka ihe àmà na-egosi oke ọka iji kewaa ọka elongated austenite. N'oge mgbanwe site na austenite gaa na ferrite, ma oke ọka austenite elongated na mpaghara nrụrụ nke akụkụ ọka pụtara ìhè na-arụ ọrụ dị ka saịtị nucleation maka ferrite, na-ebute nchacha nke ferrite mgbe mgbanwe gasịrị. Obere okpomọkụ na-atụgharị n'ime igwe ihe na-emecha na-ebelata ibu na-akpụ akpụ nke igwe ihe na-agbagharị agbagharị na nke etiti na igwe ihe na-emecha ma na-abawanye ndụ ọrụ nke akụrụngwa.
Mmetụta bara uru nke ihe a na-emepụta bụ ndị a: site n'ịgbakwunye obere v maka ike microalloy, ike mkpụrụ na-eme ka ọ dịkwuo mma, v na c na-emepụta carbides, nke a na-ebuli n'oge usoro jụrụ oyi mgbe ọ na-atụgharị, ma na-arụ ọrụ nke mmiri ozuzo na-ewusi ike. . Mkpanaka waya na-ekpo ọkụ na-ekpo ọkụ nke ihe a na-emepụta nwere ike nkwụsị nke 600-700mpa, ike nke 420-500mpa, nkezi mkpụrụ ike nke ihe dị ka 450mpa, na agt>10%, nke na-eme ka njedebe zuru oke. Ike mkpụrụ ahụ kwụsiri ike, yana ọnụego ntozu arụmọrụ karịrị 99%. Ihe mepụtara na teknụzụ na-edozi nsogbu ahụ bụ na igwe igwe na-agbagharị agbagọ siri ike ịrụgharị obere okpomọkụ, na-ebelata ọnụ ahịa n'ihu n'ihu na ike mmepụta adịghị ebelata, ma na-eweta uru akụ na ụba dị elu.
Ụzọ zuru ezu
A kọwakwuru ọdịnaya nke ihe a na-emepụta ugbu a n'okpuru ebe a na-ejikọta ya na ihe ngosi.
The mmepụta usoro nke otu elu waya φ8mm ~ φ10mmhrb400e chikọtara ejula. Usoro ntụgharị bụ: okpomọkụ na-apụ apụ: 1080 ~ 1120 ℃, na-abanye tupu ịmechaa mpịakọta 1030 ~ 1060 ℃, na-abanye n'ime imecha okpomọkụ: 850 ~ 870 ℃, okpomọkụ na-atụgharị: 850 ~ 870 ℃, ikuku ikuku olu 100%, ntinye mkpuchi okpomọkụ 640 ~ 660 ℃, 600 ~ 620 ℃ nke okpomọkụ ichebe cover, oge na okpomọkụ ichebe cover bụ 45 ~ 55s, na ọ cools ndammana. Ihe mejupụtara kemịkalụ nke eriri waya nke ụdị ihe a na-emepụta ugbu a ka egosiri na Tebụl 1, na ihe eji arụ ọrụ nke eriri waya nke ihe nrụnye nke ihe a na-emepụta ugbu a gosipụtara na tebụl 2.
Ngwakọta kemịkalụ (wt%) nke mkpanaka waya nke ihe atụ tebụl
Isiokwu 2 Mechanical Njirimara nke ihe atụ waya mkpanaka
The mkpụrụ ike nke elu waya φ8mm ~ φ10mmhrb400e coiled ejula na-emepụta site na usoro nke mepụtara bụ na nso nke 420 ~ 500mpa, na agt bụ n'elu 10%, ike mkpụrụ ruru bụ n'elu 1.35, na metallographic Ọdịdị bụ tumadi ferrite. na pearlite. arụ ọrụ kwụsiri ike, ike mkpụrụ zuru oke na oke agt, ihe ịga nke ọma nke usoro a dị oke mkpa iji belata ọnụ ahịa mmepụta yana ịba ụba uru maka ahịrị mmepụta nke torsion torsion nke nwere akụrụngwa ochie.
Atụmatụ nka na ụzụ:
1. Usoro mmepụta nke na-ekpo ọkụ na-ekpo ọkụ ribbed ígwè mmanya, nkọwa mkpanaka waya bụ φ8mm ~ φ10mm, na usoro nkà na ụzụ na-agụnye ikpo ọkụ - billeting - rough rolling - medium rolling - cooling - pre-finishing - cooling - finishing - cooling - spinning. - ikuku oyi na-atụ tebụl - ikpokọta eriri igwe - ngwa ngwa jụrụ oyi, nke e ji mara ya: pasentị ihe mejupụtara kemịkalụ nke ígwè bụ c = 0.20% ~ 0.25%, si = 0.40% ~ 0.50%, mn = 1.40% ~ 1.60%, p≤ 0.045%, s≤0.045%, v = 0.015% ~ 0.020%, ndị ọzọ bụ fe na ihe na-adịghị ọcha na-enweghị atụ; Isi usoro usoro na-agụnye: okpomọkụ tapping bụ 1070 ~ 1130 Celsius C, tupu emecha okpomọkụ bụ 970 ~ 1000 Celsius C, na finishing rolling na-rụrụ. The okpomọkụ bụ 840 ~ 880 ℃; na spinning okpomọkụ bụ 845 ~ 875 ℃; okpomọkụ ikpeazụ na-atụgharị dị n'okpuru okpomọkụ recrystallization nke mpaghara austenite; a na-eme ka ọ dị jụụ ngwa ngwa site na onye na-akwado ya na tebụl igwe oyi na-ekpo ọkụ, na ụda ikuku bụ 100%; A na-ekpuchi tebụl roller site na-emechi mkpuchi mkpuchi, okpomọkụ nke ịbanye mkpuchi mkpuchi bụ 640 ~ 660 ℃, na okpomọkụ nke ịpụpụ mkpuchi mkpuchi bụ 600 ~ 620 ℃, na oge na mkpuchi mkpuchi bụ 45 ~ 55s.
Nchịkọta nka nka
The mmepụta usoro nke na-ekpo ọkụ-akpọrepu ígwè ribbed ígwè mmanya, mmiri ígwè na-ekpo ọkụ akpọrepu waya mkpanaka nkọwa bụ Φ8mm ~ 10mm, chemical mejupụtara uka pasent ọdịnaya nke ígwè bụ C = 0.20% ~ 0.25%, Si = 0.40% ~ 0.50% , Mn = 1.40% ~ 1.60%, P≤0.045%, S≤0.045%, V = 0.015% ~ 0.020%, ndị ọzọ bụ Fe na-apụghị izere ezere adịghị ọcha ọcha; Rolling usoro bụ: ọkụ okpomọkụ bụ 1070 ~ 1130 ℃, na tupu emecha a rụrụ. The mpịakọta okpomọkụ bụ 970 ~ 1000 ℃, na finishing Rolling okpomọkụ bụ 840 ~ 880 ℃; na spinning okpomọkụ bụ 845 ~ 875 ℃; okpomọkụ ikpeazụ na-atụgharị dị n'okpuru okpomọkụ recrystallization nke mpaghara austenite; %; Mgbe mmechi mkpuchi mkpuchi nke ihe mkpuchi ahụ, okpomọkụ nke ịbanye mkpuchi mkpuchi bụ 640 ~ 660 ℃, na okpomọkụ nke na-apụ na mkpuchi mkpuchi bụ 600 ~ 620 ℃, na oge na mkpuchi mkpuchi bụ 45 ~ 55s. Site n'ịgbakwụnye obere ihe nke V alloy na imecha na-agbagharị na obere okpomọkụ, ihe a na-emepụta ọ bụghị nanị na-eme ka ọrụ ahụ kwụsie ike, ma na-ebelata ọdịnaya alloy na ọnụ ahịa ya.
Oge nzipu: Ọgọst-30-2022