Ⅰ-Gịnị bụ Cr12MoV Cold Working Die Steel
Igwe eji arụ ọrụ oyi nke Cr12MoV nke zhongao mepụtara so n'òtù ígwè eji arụ ọrụ oyi nke na-eguzogide iyi, nke a na-eji ike iyi dị elu, ike siri ike, obere mgbanwe, nkwụsi ike okpomọkụ dị elu, ike ịgbagọ agbagọ, na ihe ndị ọzọ mara. Ọ bụ nke abụọ naanị na ígwè dị elu ma bụrụ ihe dị mkpa maka stampụ, isi oyi, na ihe ndị ọzọ. Igwe eji arụ ọrụ oyi nke Cr12MoV bụ ígwè carbon molybdenum ledeburite nke nwere obere ọdịnaya carbon karịa ígwè Crl2. A na-agbakwunye Molybdenum na vanadium iji melite arụmọrụ ọrụ ọkụ, ike mmetụta na nkesa carbide nke ígwè ahụ. Igwe eji arụ ọrụ oyi nke Cr12MoV nwere obere ọdịnaya carbon karịa ígwè Cr12 die. Mgbakwunye nke ihe ndị mejupụtara alloy ọhụrụ na-eme ka ihe na-adịghị mma nke carbide na-adịghị mma dịkwuo mma. Ọzọkwa, molybdenum na molybdenum nwere ike ibelata nkewa carbide ma melite ike siri ike. Vanadium na vanadium nwere ike ime ka ọka dịkwuo mma ma mee ka ike sie ike dịkwuo elu. Ya mere, ígwè ebu zhongo's Cr12MoV nwere ike ime ka ọ sie ike nke ukwuu, yana akụkụ obe dị n'okpuru 400mm nke enwere ike imenyụ kpamkpam, ma ka nwee ike ịnọgide na-enwe ezigbo ike na iguzogide iyi na 300-400 ℃. E wezụga nke ahụ, ígwè ebu zhongo's Cr12MoV nwere ike ka mma karịa ihe ndị ọzọ nwere otu ọkwa n'ahịa izugbe, enwere ike ịgbanwe olu n'oge imenyụ ya na-ebelata nke ukwuu. Ya mere, ike ya dị elu na-eguzogide iyi na ezigbo ihe eji arụ ọrụ zuru oke na-eme ka ígwè ebu kredit Jinbaicheng's Cr12MoV dịkwuo mma maka imepụta ụdị ebu dị iche iche nwere nnukwu akụkụ obe, ọdịdị dị mgbagwoju anya, na iguzogide nnukwu mmetụta, yana ngwaọrụ stampụ oyi dị iche iche n'okpuru ọnọdụ ọrụ siri ike, dị ka ihe nkụnye aka, ihe nkụnye aka ịkpụ, ihe nkụnye aka mpịakọta, wdg.
Ⅱ-Nduzi Ngwa nke Cr12MoV Cold Working Die Steel
① Enwere ike iji Cr12MoV mee ụdị dị mgbagwoju anya nke convex, concave, na ntinye blọk maka ịkụ ihe ndị nwere ọkpụrụkpụ ihe karịrị 3mm. A na-atụ aro ka ọ dị ike nke 58 ~ 62HRC mgbe ị na-eme ihe ndị nwere convex na 60 ~ 64HRC mgbe ị na-eme ihe ndị nwere concave.
② Maka mmepụta nke ebu ọkpọkọ na nke gbara okirikiri nke chọrọ oke nguzogide iyi, a na-atụ aro ka ọ nwee ike nke 60 ~ 62HRC mgbe ị na-eme ọkpọkọ na 62 ~ 64HRC mgbe ị na-eme ebu ọkpọkọ.
③ Maka mmepụta nke ebu concave na-adịghị ike na ebu ndị na-ese ihe miri emi, a na-atụ aro ka ọ nwee ike nke 62 ~ 64HRC.
④ A na-eji ya emepụta ebu convex, ebu concave, na itinye blọk ndị chọrọ oke ike iyi na ọdịdị dị mgbagwoju anya na ebu ndị na-agbagọ agbagọ. A na-atụ aro ka ọ nwee ike nke 60-64HRC mgbe ị na-eme ebu convex, na 60-64HRC mgbe ị na-eme ebu concave.
⑤ Maka mmepụta nke oyi extrusion dies na die maka akụkụ aluminom, a na-atụ aro ka ọ nwee ike nke 60-62HRC mgbe ị na-eme dies, na 62-64HRC mgbe ị na-eme dies.
⑥ A na-atụ aro ka ejiri ike nke 62 ~ 64HRC mee ihe maka ebu convex na concave eji eme ihe maka ịkpụ ọla kọpa oyi.
⑦ A na-atụ aro ka ebu ndị a na-akpọ convex na concave nke e ji eme ihe maka ihe ndị e ji ígwè mee ka ha sie ike nke 62 ~ 64HRC.
⑧ Efere ígwè nke oge opupu ihe ubi nwere oke ibu nke 0.65% ~ 0.80% eji emepụta carbon nwere ike nke 37 ~ 42HRC, na-enye ndụ ruo usoro 150000.
⑨ Efere ígwè nke oge opupu ihe ubi nwere oke ibu nke 0.65% ruo 0.80% eji eme ka carbon sie ike nke 37-42HRC, yana site na ọgwụgwọ nitriding ọzọ, ndụ ọrụ ha nwere ike iru ugboro 4000000.
Ⅲ-Nhazi nke Cr12MoV Cold Working Die Steel:
Nkọwapụta maka ime ka ebu dị nro: Chebe ma kpoo ebu ahụ ọkụ site na iji ihe e ji ígwè mee n'okpomọkụ nke 760-780 ℃ ruo awa iri, site na iji ọkụ na-ajụ oyi ma sie ike nke 196HBW. Enwere ike ime ka e nwee ike ime ka ihe dị nro.
Nkọwapụta maka ihe na-eme ka mmiri dị n'ime mmiri dị n'ime mmiri dị n'ime ya dị n'ime: 850-870 ℃ × awa 3-4, a na-eme ka ọ dị jụụ n'ime ọkụ ruo awa 740-760 ℃ × awa 4-5 nke ọgwụgwọ isothermal, yana ike oyi ikuku ≤ 241HBW, ọkwa eutectic carbide ≤ 3, okpomọkụ isothermal kachasị mma 740-76o ℃, na oge ≥ awa 4-5.
Nkọwapụta maka ịgbaze ihe mkpuchi spheroidizing: (860 ± 10) ℃ × awa 2-4, ime ka ọkụ dị jụụ na ọnụego oyi nke 30 ℃/awa, (740 ± 10) ° C x awa 4-6, ime ka ọ dị jụụ nwayọ ruo 500-600 ℃ na ọkụ, ime ka ikuku dị jụụ mgbe a gbasasịrị ya, ike siri ike 207-255HBW.
Nkọwapụta izugbe nke imenyụ na imenyụ ọkụ: okpomọkụ imenyụ ọkụ 1000-1050 ℃, imenyụ ma ọ bụ imenyụ mmanụ, ike siri ike 260HRC, okpomọkụ imenyụ ọkụ 160-180, oge imenyụ ọkụ awa 2, ma ọ bụ okpomọkụ imenyụ ọkụ 325-375 ° C, imegharị ọkụ ugboro 2-3.
Oke okpomọkụ dị ala na obere nloghachi: 950 ℃ -1040 ℃, okpomọkụ dị ala dị ihe dịka 200 ℃, okpomọkụ nke abụọ.
Oke okpomọkụ nke imenyụ ọkụ na oke okpomọkụ nke imenyụ ọkụ: 1050-1100 ℃, okpomọkụ nke imenyụ ọkụ dị ihe dịka 520 ℃, okpomọkụ nke abụọ. Usoro ike nke abụọ eji emenyụ ọkụ na imegharị ọkụ dị elu na-eme ka ike sie ike ka mma, mana mkpụrụ ga-eto.
Ọgwụgwọ Crogenic: A na-eji ígwè Cr12MoV agwọ cryogenic, nke nwere ike ịkpalite carbides ultrafine gbasaara nke ukwuu site na martensite emenyụ, mgbe ahụ, a pụrụ ịgbanwe carbide ultrafine ndị a ka ha bụrụ carbide mgbe a gbasịrị okpomọkụ dị ala 200 ℃. Martensite na-enweghị ọgwụgwọ cryogenic na-akpali obere carbide n'ebe ụfọdụ mgbe ọkụ dị ala gburugburu okpomọkụ gasịrị.
Zhongao na-eji usoro ọgwụgwọ okpomọkụ kemịkalụ dị ala, nke na-eme ka ígwè Cr12MoV sie ike ma na-eguzogide iyi. Ibe ọgwụgwọ okpomọkụ kemịkalụ atọ a na-ejikarị eme ihe n'okpomọkụ dị ala, ya bụ ion nitriding, gas nitrocarizing, na salt bath sulfur cyanide co nitriding, nwere nnukwu nguzogide mmetụta na njikọta, yana salt bath sulfur cyanide co nitriding bụ nke kacha mma.
Ndụ ọrụ nke ihe osise ahụ maka ngwa igwe anaghị agba nchara nke Zhongao's Cr12MoV, mgbe emechara ọgwụgwọ gas nitrocarburization, ruru ihe karịrị iberibe 30000, nke karịrị ugboro 10 karịa nke ebu ndị yiri ya ejiri ihe na-egbu egbu na ihe na-eme ka ọ dị jụụ.
Oge ozi: Mee-23-2024