Manyan layukan simintin ƙarfe na simintin ƙarfe na chromium{0} suna da tsayin daka da tsawon sabis, kuma masana'antar sun daɗe suna gane su. Babban aikinsu yana wakiltar mafi girman matakin lalacewa na ƙarfe na yanzu{2}}kayan juriya. Duk da haka, saboda yawan abubuwan da suke da shi da kuma tsadar samarwa, haɓakawa da aikace-aikacen su ya shafi digiri daban-daban, wanda ya haifar da rashin amfani da su sosai. Manyan layukan simintin ƙarfe na chromium - sun shahara saboda ƙarfinsu, ƙarfi da juriya. An yi amfani da su sosai a cikin manyan injinan ƙwallon ƙafa a masana'antar siminti a ƙasashen waje, tare da rayuwar sabis na kusan shekaru 8, kuma a cikin ɗakuna na biyu da na uku, yana iya wuce shekaru 12, wasu kuma na iya wuce shekaru 20, yana nuna kyakkyawan juriya.
Bayanin Samfura
Babban farantin alloy na chromium{0}
- Abun abun ciki: Babban simintin simintin simintin gyare-gyare na chromium gami -launi mai juriya ya ƙunshi chromium, carbon, molybdenum, nickel da sauran abubuwa. Abubuwan chromium yawanci tsakanin 12% zuwa 30%, kuma abun cikin carbon shine 1.0% zuwa 3.0%. Gwajin sinadarai na wani babban chromium alloy liner na masana'anta ya nuna cewa abun ciki na chromium shine 25%, abun cikin carbon shine 2.0%, kuma abun cikin molybdenum shine 2.5%, kuma yana ƙunshe da ɗan ƙaramin nickel da vanadium, wanda ya dace da abubuwan da ake buƙata na babban simintin ƙarfe na chromium kamar yadda aka tsara a GB/T1744.
- Halayen ƙira: Tsarin ƙarfe na babban simintin simintin gyare-gyare na chromium alloy {0}launi mai juriya ya ƙunshi matrix martensite, eutectic carbides da na biyu carbides. Ana rarraba eutectic carbides a cikin ci gaba ko ci gaba da hanyar sadarwa, tare da taurin har zuwa HV1600. Gwajin metallographic na wani layi yana nuna cewa adadin eutectic carbides shine 35%, an rarraba shi daidai akan matrix martensite, yana tabbatar da kyakkyawan juriya.
- Alamomin aikin injina: Babban simintin simintin simintin gyare-gyare na chromium alloy -launi mai juriya yana da tsayin daka da juriya. Rockwell taurin HRC na iya kaiwa 58-65. Ainihin taurin wani layi shine HRC62, kuma a cikin gwajin yashi na quartz, ƙimar lalacewa shine kawai 0.08g/cm'. Dangane da taurin tasiri, tasirin tasirin tasirin tasirin zai iya kaiwa 15-25J. Tasirin ƙarfin sha na wani nau'in layin da aka gwada a ƙarƙashin tasirin tasirin 20J shine cewa babu tsagewa ko karaya.
- Maɓalli na aiwatar da simintin simintin gyare-gyare: Ana jefa babban simintin alloy na chromium ta amfani da simintin yashi ko ɓataccen simintin kumfa. Don yin simintin yashi, ana zaɓar kayan gyare-gyaren azaman yashi na silica da guduro, kuma ana buƙatar busasshen ƙirar a babban zafin jiki. A cikin tsarin simintin simintin, zafin zafin bushewa shine digiri 300, kuma lokacin riƙewa shine sa'o'i 4 don hana lahanin simintin. A cikin simintin kumfa da aka ɓace, ƙirar kumfa yana buƙatar a lulluɓe shi da fenti mai juyewa, bushewa, sannan a zub da matsi mara kyau. Layin da wani mai ƙira ya samar ta hanyar tsarin kumfa da ya ɓace yana da ƙarancin ƙasa Ra <12.5HB, tare da daidaitaccen matakin CT9.
- Ƙayyadaddun tsarin aikin zafi: Maganin zafi na babban chromium alloy liner ya haɗa da quenching da tempering. Matsakaicin zafin jiki shine digiri 950-1050, kuma an ƙayyade lokacin riƙewa gwargwadon kauri. Don layin 20mm, lokacin riƙewa shine 2 hours. Ana amfani da sanyaya mai ko sanyaya iska. Taurin wani layin bayan quenching shine HRC60. Yanayin zafin jiki shine digiri 200-300, kuma lokacin riƙewa shine 2 hours don kawar da damuwa na ciki. Tasirin ƙarfin ɗaukar wani nau'in layin bayan zafin jiki yana ƙaruwa da 10%, yayin da yake riƙe babban taurin.
Nuna samfuran
me yasa zabar mu
Amsa da sauri Samfura tare da ayyuka masu tsada Samfura tare da babban aiki mai tsada
me yasa zabar samfuranmu
1. 20 shekaru na gwaninta a cikin simintin simintin gyare-gyaren simintin ƙarfe, tabbacin inganci, bayarwa akan lokaci
2. Cikakken machining da kayan aikin dubawa na iya samar da sassan da aka gama kai tsaye da kuma biyan buƙatun dubawa na abokan ciniki
3. Yana da haƙƙin shigo da kaya masu zaman kansu kuma suna iya fitar da kayayyaki zuwa duk sassan duniya
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