Ⅰ-Gịnị bụCr12MoV oyi na-arụ ọrụ Die Steel
Cr12MoV oyi na-arụ ọrụ anwụ nchara nke Jinbaicheng mepụtara bụ nke ụdị nke nnukwu ihe nrụpụta micro deformation na-eguzogide, nke a na-eji nkwụsi ike dị elu, ike ike, micro deformation, nkwụsi ike dị elu, ike na-ehulata na ihe ndị ọzọ.Ọ bụ nke abụọ na ígwè dị elu ma bụrụ ihe dị mkpa maka stampụ, isi oyi na ihe ndị ọzọ.Cr12MoV anwụ ígwè bụ carbon molybdenum ledeburite ígwè nwere obere carbon ọdịnaya karịa Crl2 ígwè.A na-agbakwunye molybdenum na vanadium iji melite arụmọrụ arụ ọrụ ọkụ, mmetụta siri ike na nkesa carbide nke ígwè.Cr12MoV anwụ ígwè nwere obere carbon ọdịnaya karịa Cr12 anwụ ígwè.Mgbakwunye nke ihe ọhụrụ alloy na-eme ka ihe na-adịghị mma nke carbide dị mma.Ọzọkwa, molybdenum na molybdenum nwere ike belata ikewa nke carbide ma melite ike.Vanadium na vanadium nwere ike nụchaa ọka ma na-abawanye ike, Ya mere, Jin Baicheng's Cr12MoV mold steel nwere ike siri ike, nke nwere akụkụ nke dị n'okpuru 400mm nke nwere ike ịkwụsị kpamkpam, ma ka nwere ike ịnọgide na-esi ike ma na-eyi nguzogide na 300-400.℃. Beside, Jinbaicheng's Cr12MoV mold steel nwere ike siri ike karịa ihe ndị ọzọ nwere otu ọkwa n'ahịa n'ozuzu, yana ohere nke mgbanwe olu n'oge imenyụ na-ebelata nke ukwuu.Ya mere, ya elu eyi na-eguzogide na ezi keukwu n'ibu Njirimara na-eme ka Jinbaicheng's Cr12MoV ebu ígwè ọzọ dabara adaba n'ichepụta dị iche iche ebu na nnukwu cross-ngalaba, mgbagwoju udi, na-eguzogide nnukwu mmetụta, yana dị iche iche oyi stamping ngwaọrụ n'okpuru arọ ọrụ ọnọdụ, dị ka. ịkụ ọkpọ na-anwụ, mkpụcha anwụ anwụ, ịgbagharị anwụ, wdg Steel efere miri emi osise anwụ, okirikiri ikwo, ọkọlọtọ ngwaọrụ na-atụ ngwaọrụ, thread rolling die, wdg.
Ⅱ-Ntuziaka ngwa of Cr12MoV oyi na-arụ ọrụ Die Steel
①Enwere ike iji Cr12MoV mee ụdị mgbagwoju anya nke convex, concave, na fanye blocks maka ịkụ ọkpọ na ihe ọkpụrụkpụ> 3mm.A na-atụ aro ka ịnwe ike nke 58 ~ 62HRC mgbe ị na-eme ka ọkpụkpụ convex na 60 ~ 64HRC mgbe ị na-eme ihe ọkpụkpụ.
②N'ihi na mmepụta nke ntụmadị na concave ebu nke na-achọ elu eyi iguzogide, ọ na-atụ aro ka nwere ike nke 60 ~ 62HRC mgbe na-eme ntụmadị na 62 ~ 64HRC mgbe na-eme ka concave ebu.
③N'ihi na mmepụta nke eyi na-eguzogide concave ebu na miri ịbịaru ebu, ọ na-atụ aro ka nwere ike nke 62 ~ 64HRC.
④A na-eji ya maka imepụta ihe akpụ akpụ, concave ebu, na fanye blocks nke chọrọ oke eyi nguzogide na ụdị mgbagwoju anya n'ụdị na-ehulata.A na-atụ aro ka ị nwee isi ike nke 60-64HRC mgbe ị na-eme ọkpụkpụ convex, na 60-64HRC mgbe ị na-eme ihe ọkpụkpụ.
⑤Maka mmepụta nke extrusion oyi na-anwụ anwụ na-anwụ anwụ maka akụkụ aluminom, a na-atụ aro ka ị nwee ike nke 60-62HRC mgbe ị na-eme ọnwụ, na 62-64HRC mgbe ị na-anwụ anwụ.
⑥A na-atụ aro ka iji ike nke 62 ~ 64HRC maka convex na concave ebu eji eme ọla kọpa oyi extrusion ebu.
⑦The convex na concave ebu na-eji ígwè oyi extrusion ebu na-atụ aro ka a ike nke 62 ~ 64HRC.
⑧Efere ígwè mmiri nke nwere akụkụ dị nta nke 0.65% ~ 0.80% eji eme carbon nwere ike nke 37 ~ 42HRC, na-enye ndụ ndụ ruo 150000 okirikiri.
⑨Efere nchara mmiri nke nwere akụkụ dị nta nke 0.65% ruo 0.80% eji eme carbon nwere ike nke 37-42HRC, yana ọgwụgwọ nitriding ọzọ, ndụ ọrụ ha nwere ike iru ugboro 400000.
Ⅲ-Nhazi of Cr12MoV oyi na-arụ ọrụ Die Steel:
Nkọwapụta maka ịdị nro nke ebu extrusion oyi: Chekwaa ma kpoo ihe ahụ site na ntinye ígwè na okpomọkụ nke 760-780℃maka awa 10, yana ọkụ ọkụ na ike nke 196HBW.Oyi extrusion akpụ nwere ike nweta were were.
Nkọwa maka nkịtị isothermal spheroidizing annealing: 850-870℃ ×3-4 awa, mma n'ime ọkụ na 740-760℃ ×4-5 awa ọgwụgwọ isothermal, na ikuku jụrụ oyi≤241HBW, eutectic carbide ọkwa≤3, ezigbo okpomọkụ isothermal 740-76o℃, na oge≥4-5 awa.
Nkọwapụta maka spheroidizing annealing: (860± 10)℃ ×2-4 awa, ọkụ jụrụ na a jụrụ ọnụego nke 30℃/ elekere, (740± 10)° C x 4-6 awa, jiri nwayọọ nwayọọ na-ajụ oyi ruo 500-600℃ya na ọkụ, ikuku jụrụ mgbe a gbasasịrị, ike 207-255HBW.
General quenching na tempering nkọwa: quenching okpomọkụ 1000-1050℃, mmanụ quenching ma ọ bụ quenching, ike ike 260HRC, tempering okpomọkụ 160-180, tempering oge 2 awa, ma ọ bụ tempering okpomọkụ 325-375° C, na-ewe iwe ugboro 2-3.
Obere quenching na obere nkwụghachi okpomọkụ: 950℃-1040℃, okpomọkụ okpomọkụ dị gburugburu 200℃, nke abụọ iwe ọkụ.
Nnukwu quenching na nnukwu nlọghachi okpomọkụ: 1050-1100℃, okpomọkụ okpomọkụ dị gburugburu 520℃, nke abụọ iwe ọkụ.Ụzọ siri ike nke abụọ a na-eji eme ihe dị elu na imegharị ihe dị elu na-eme ka ike sie ike, ma ọka ga-eto eto.
Ọgwụgwọ Cryogenic: Cr12MoV ígwè na-enweta ọgwụgwọ cryogenic, nke nwere ike ịkpalite ultrafine carbides gbasasịrị nke ukwuu site na martensite mechiri emechi, mgbe ahụ enwere ike gbanwee ultrafine carbides ka ọ bụrụ carbides mgbe 200 gachara.℃obere okpomọkụ tempering.Martensite na-enweghị ọgwụgwọ cryogenic na-ebuli obere carbide na mpaghara ụfọdụ mgbe ọkụ okirikiri dị ala.
Jinbaicheng na-anabata usoro ọgwụgwọ okpomọkụ kemịkalụ dị ala, nke na-edobe ike siri ike ma na-eyi nguzogide nke ígwè Cr12MoV.Ngwọta ọgwụgwọ kemịkalụ dị ala nke atọ a na-ejikarị, ya bụ ion nitriding, gas nitrocarburizing, na salt bath sulfur cyanide co nitriding, nwere mmetụta dị ịrịba ama na nguzogide na nchikota, na nnu bath sulfur cyanide co nitriding bụ nke kacha mma.
Ndụ ọrụ nke eserese na-anwụ maka Jinbaicheng's Cr12MoV igwe anaghị agba nchara arịa, mgbe gas nitrocarburization ọgwụgwọ, esịmde n'elu 30000 iberibe, nke bụ ihe karịrị 10 ugboro ogologo karịa nke yiri ebu na-emeso na ot quenching na tempering.
Ⅳ-Ọkachamara ebu ígwè soplaya – Jinbaicheng metal
Ndepụta nke ọrụ oyi anyịanwụ Nchara na ọrụ ọkụ anwụ ígwè dị maka ịtụ, ọtụtụ n'ime ha nwere na ngwaahịa dị njikere maka mbupu ozugbog.Jinbaicheng nwere otu n'ime nnukwu ụlọ nkwakọba ihe makaoyi ọrụ anwụ ígwè n'imeChina, nwere ike na-enye Ogwe sawn n'ogologo ma ọ bụ tupu machined efere na blocks na a nnọọ obere oge. Webụsaịtị gọọmentị:www.sdjbcmetal.com Email: jinbaichengmetal@gmail.com ma ọ bụ WhatsApp nahttps://wa.me/18854809715
Oge nzipu: Jul-19-2023