Mpira wothira, womwe umatchedwanso mpira wothira, umapangidwa ndi chitsulo chodulidwa, chitsulo chodulidwa, ndi zinthu zina zotayidwa. Zipangizo zomwe tatchulazi zimasungunuka kwambiri ndipo zimapangitsa kuti magetsi aziyenda bwino akatenthedwa. Panthawi yosungunula, zinthu zambiri zachitsulo monga vanadium, chitsulo ndi manganese zimawonjezeredwa kaye ku mpweya wotuluka kuti zikwaniritse zomwe mukufuna komanso zomwe zakonzedweratu. Zinthuzi zimatha kuthira chitsulo chosungunuka kwambiri mu chitsanzo cha fakitale yopanga zitsulo.
Mpira wachitsulo wopangidwa ndi chitsulo ungagwiritsidwe ntchito kwambiri m'njira zosiyanasiyana, kuphatikizapo
Fakitale ya mchenga wa silika/Chomera cha simenti/Chomera cha mankhwala/Chomera chamagetsi/Migodi/Malo opangira magetsi
/Mafakitale a mankhwala/Gawo lopera/Gawo la mpira/Gawo la malasha
Mipira yachitsulo ya Chrome ndi mipira yophwanyika yokhala ndi chromium yochuluka, yomwe imagawidwa m'mabolo achitsulo cha chromium yochuluka, mipira yachitsulo yapakati ya chromium yochuluka ndi mipira yachitsulo yapakati ya chromium yotsika. Mipira yachitsulo ya chromium yochuluka imagawidwa m'mabolo achitsulo cha High Chromium, Mipira yachitsulo yapakati ya Chromium yochuluka ndi Mipira yachitsulo ya Low Chromium. Ndi kuuma kwake kwakukulu, kusweka kochepa, komanso kusweka kochepa, mipira yophwanyika yachitsulo imagwiritsidwa ntchito makamaka m'makampani a simenti, migodi, mafakitale a zitsulo, makampani opanga magetsi ndi makampani omanga.
1、Zipangizo zonse zili ndi zidutswa zachitsulo, zomwe zili ndi mkuwa, molybdenum, nickel ndi zinthu zina zamtengo wapatali zachitsulo, zomwe zingathandize bwino kapangidwe ka matrix ka mpira wachitsulo.
2、Zogulitsa zathu zimapangidwa ndi ng'anjo yamagetsi yapakatikati yomwe ingatsimikizire bwino kukhazikika kwa zinthuzo. Mipira siivuta kuichotsa ndikuisintha ikagwiritsidwa ntchito. Ngakhale imatha kukhala yowala komanso yozungulira ikagwira ntchito kwa nthawi yayitali.
3、Mzere wapamwamba kwambiri wopanga mafuta odzimitsa okha ndi womwe umagwiritsidwa ntchito pochiza kutentha, zomwe zimatsimikizira kuuma bwino komanso kufanana kwa zinthuzo.
1. Njira zitatu zopangira mipira yachitsulo
Pali mitundu itatu ya njira zopangira mipira yachitsulo: kuponyera, kupangira, ndi kugubuduza.
(1) Kuponya: Ubwino wa mipira yachitsulo chopangidwa ndi chitsulo umadalira kwambiri kuchuluka kwa chromium. M'zaka zaposachedwapa, kukwera kwa mtengo wa chromium, kuteteza chilengedwe, ndi zina zapangitsa kuti mitengo ya mipira yachitsulo chopangidwa ndi chitsulo ikwere.
(2) Kupangira: Pogwiritsa ntchito chitsulo cha manganese chochuluka ngati zopangira, nyundo zopangira ndi zinyalala za mpira zimagwiritsidwa ntchito popanga mipira yachitsulo. Mipira yachitsulo yopanga imakhala ndi kuphatikiza koyenera kwa kaboni wambiri, manganese, chromium, ndi zinthu zina za alloy, ndipo imakhala ndi kulimba kwamphamvu pakupanga kutentha, kusiyana pang'ono pakati pa kuuma mkati ndi kunja, komanso kusiyana kwa mtengo wokhudza kukhudza, zomwe zimapangitsa mipira yopanga kukhala yolimba kuposa mipira yopangidwa.
(3)Kugubuduza: Pogwiritsa ntchito zitsulo zokhala ndi manganese ambiri ngati zopangira, mipira yachitsulo imapangidwa ndi mphero yogubuduza yokhala ndi ma spiral roller.
| Chinthu | Kapangidwe ka Mankhwala (%) | |||||||||
| C | Si | Mn | Cr | P | S | Mo | Cu | Ni | ||
| Chomera chapamwamba mipira yopangira grinding | ZQCr12 | 2.0-3.0 | 0.3-1.2 | 0.2-1.0 | 11-13 | ≤0.10 | ≤0.10 | 0-1.0 | 0-1.0 | 0-1.5 |
| ZQCr15 | 2.0-3.0 | 0.3-1.2 | 0.2-1.0 | 14-17 | ≤0.10 | ≤0.10 | 0-1.0 | 0-1.0 | 0-1.5 | |
| ZQCr20 | 2.0-2.8 | 0.3-1.0 | 0.2-1.0 | 18-22 | ≤0.10 | ≤0.08 | 0-2.0 | 0-1.0 | 0-1.5 | |
| ZQCr26 | 2.0-2.8 | 0.3-1.0 | 0.2-1.0 | 22-28 | ≤0.10 | ≤0.08 | 0-2.5 | 0-2.0 | 0-1.5 | |
| Mpira wopukutira wapakati wa chrome | ZQCr7 | 2.0-3.2 | 0.3-1.5 | 0.2-1.0 | 6.0-10 | ≤0.10 | ≤0.08 | 0-1.0 | 0-0.8 | 0-1.5 |
| Mipira yopukutira yotsika ya chrome | ZQCr2 | 2.0-3.6 | 0.3-1.5 | 0.2-1.0 | 1.0-3.0 | ≤0.10 | ≤0.08 | 0-1.0 | 0-0.8 | |
Magawo okwera a chromium (Chizindikiro cha Mpira Wapamwamba wa Chrome)
| m'mimba mwake mwa dzina | Kulemera kwa mpira umodzi pa avareji (g) | Kuchuluka/ MT | Kuuma kwa pamwamba(HRC) | Mayeso a kupirira (Times) |
| φ15 | 13.8 | 72549 | >60 | >10000 |
| φ17 | 20.1 | 49838 | >10000 | |
| φ20 | 32.7 | 30607 | >10000 | |
| φ25 | 64 | 15671 | >10000 | |
| φ30 | 110 | 9069 | >10000 | |
| φ40 | 261 | 3826 | >10000 | |
| φ 50 | 510 | 1959 | >10000 | |
| φ60 | 882 | 1134 | >10000 | |
| φ70 | 1401 | 714 | >10000 | |
| φ80 | 2091 | 478 | >58 | >10000 |
| φ90 | 2977 | 336 | >10000 | |
| φ100 | 4084 | 245 | >8000 | |
| φ120 | 7057 | 142 | >8000 | |
| φ130 | 8740 | 115 | >8000 |
