Momwe Zida Zachitsulo Zimapangidwira
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Nkhaniyi ikufotokoza za katundu ndi alloying zinthu zitsulo ndi mmene ntchito popanga castings zitsulo.Tidzakhudzanso mtengo wokhudzana ndi zitsulo zachitsulo.Werengani kuti mudziwe zambiri!M'munsimu muli njira zosiyanasiyana zopangira zitsulo.Mukamaliza, mukhoza kupita kukagula zitsulo zanu.Pansipa pali zina mwazinthu zofunika kwambiri pakupanga zitsulo.Alloying zinthu mu chitsuloChitsulo chimapangidwa ndi zinthu zosiyanasiyana zopangira ma alloying zomwe zimasintha makina ake.Mu gawo la austenite, amagawidwa pafupifupi mofanana.Pamene austenite imatenthedwa ku dera la austenitic, imakonda kuwonongeka kukhala chisakanizo cha ferrite ndi carbide.Chinthu chopanga carbide chimakonda kupita ku gawo la simenti.Zinthu zina zomwe zimapanga aloyi zimagawidwanso pakati pa magawo a ferrite ndi simenti kudzera mu kufalikira.Amapangitsanso kusintha kwa austenite kukhala pearlite kukhala kovuta ndikutalikitsa nthawi yofunikira kuti mukwaniritse.Njira yopangira ma castings zitsuloKupanga zitsulo kumaphatikizapo kuthira zitsulo zamadzimadzi mu nkhungu ndikuzisiya kuti ziziundana.Kumapeto kwa ndondomekoyi, tundish imakhala yopanda kanthu ndipo chingwecho chalimba.Kenako, mipukutu yoyendetsedwa imasuntha chingwe choyambira kupita kugawo lachiwiri lozizirira.Pa sitepe iyi, tcheni choyambira chimachotsedwa pa chingwe ndikukhazikika.Mpukutu wokankhira kunja umasunthidwa mmwamba mu nkhungu ndipo tcheni choyambira chimakokera pansi.Katundu wachitsuloKukhazikika kwazitsulo zoponyera zitsulo ndi chizindikiro cha kuthekera kwachitsulo kunyamula katundu pansi pamikhalidwe yapang'onopang'ono.Zinthuzi zimayezedwa popereka zitsanzo zoyimilira pakukweza kokhazikika, kukoka mphamvu pa bar yolimba mpaka gawolo litalephera.Chigawo chaching'ono kwambiri chamtanda pambuyo polephera ndi muyeso wa mphamvu yachitsulo yoponyera zitsulo.Kuphatikiza pa izi, zopangira zitsulo zimawonetsa kulimba kofanana ndi chitsulo.Mtengo wazitsulo zachitsuloZopangira zitsulo zimapangidwa pogwiritsa ntchito njira zosiyanasiyana, ndipo zambiri zimayesedwa.Chitsanzo choyimilira chimayikidwa pazitsulo zoyendetsedwa bwino.Izi zimaphatikizapo kugwiritsa ntchito mphamvu zokoka kumapeto kwina kwa kapamwamba mpaka kukanika.Chotsatira chopindikacho chimawunikidwa ngati kusweka kulikonse kosayenera.Kuwunika kwina ndiko kuyesa mphamvu, komwe kumaphatikizapo kuyeza kuchuluka kwa mphamvu zomwe zimafunikira kuti muphwanye zitsanzo zokhazikika.Kukwera kwamphamvu kwamphamvu, m'pamenenso zinthu zotayidwazo zimakhala zolimba.Kupotoza kwa castings zitsuloChigawo chofunika kwambiri cha khalidwe la zitsulo zopangira zitsulo ndi kuthekera kwawo kukana kupotoza panthawi ya kutentha kwa kutentha.Njira imeneyi imatchedwa annealing.Kutentha kofunikira popanga zitsulo zomangira ndi pakati pa 300掳C ndi 700掳C.Kutentha kotereku kumafunikira pakupanga zazikuluzikulu zomwe zimakhala ndi nkhawa.Njira yochizira kutentha imachitika powatenthetsera kale ndikuwaziziritsa pang'onopang'ono kumaliza komaliza.
