Chidule cha Bearing Steel
Chitsulo chonyamula katundu chimagwiritsidwa ntchito popanga mipira, ma rollers ndi mphete zonyamula katundu. Chitsulo chonyamula katundu chimakhala ndi kuuma kwakukulu komanso kofanana, kukana kuwonongeka komanso malire okwera otanuka. Zofunikira pakupanga mankhwala ofanana, kuchuluka ndi kufalikira kwa zinthu zosakhala zachitsulo, komanso kufalikira kwa ma carbide achitsulo chonyamula katundu ndizovuta kwambiri. Ndi chimodzi mwa zinthu zokhwima kwambiri pakupanga zitsulo zonse.
Magiredi achitsulo a zitsulo zodziwika bwino ndi mndandanda wazitsulo zokhala ndi chromium yambiri, monga GCr15, Gcr15SiMn, ndi zina zotero. Kuphatikiza apo, zitsulo zoyendetsedwa ndi carburised, monga 20CrNi2Mo, 20Cr2Ni4, ndi zina zotero, zingagwiritsidwenso ntchito malinga ndi mikhalidwe yosiyanasiyana yogwirira ntchito, zitsulo zonyamula zitsulo zosapanga dzimbiri, monga 9Cr18, ndi zina zotero, ndi zitsulo zonyamula kutentha kwambiri, monga Cr4Mo4V, Cr15Mo4V2, ndi zina zotero.
Katundu weniweni
Kapangidwe ka chitsulo chonyamula katundu makamaka kamakhala ndi kapangidwe kake kakang'ono, kapangidwe kake kochotsedwa ka carburi, kuphatikiza kosakhala chitsulo ndi kapangidwe kake kakang'ono. Kawirikawiri, zinthuzo zimaperekedwa ndi hot rolling annealing ndi cold drawing annealing. Mkhalidwe wa kutumiza uyenera kufotokozedwa mu mgwirizano. Kapangidwe ka chitsulo chachikulu kayenera kukhala kopanda shrinkage cavity, subcutaneous bubble, white spot ndi micro pore. Porosity yapakati ndi general porosity siziyenera kupitirira kalasi 1.5, ndipo kusiyanitsa sikuyenera kupitirira kalasi 2. Kapangidwe ka chitsulo kochotsedwa kayenera kugawidwa mofanana ndi pearlite yopyapyala. Kuzama kwa kapangidwe ka decarburizing, kuphatikiza kosakhala chitsulo ndi carbide unevenness ziyenera kutsatira miyezo yoyenera yadziko.
Zofunikira zazikulu pakugwirira ntchito pazinthu zachitsulo zonyamula katundu
1)mphamvu yogwirana kwambiri ndi kutopa
2)kuuma kwambiri pambuyo pa kutentha kapena kuuma komwe kungakwaniritse zofunikira pakugwira ntchito bwino kwa bere
3)kukana kwambiri kuvala, kukana kotsika kwa kukangana
4)malire okwera kwambiri
5)kulimba kwamphamvu komanso kulimba kwa kusweka
6)kukhazikika kwabwino kwa miyeso
7)ntchito yabwino yopewera dzimbiri
8) Kugwira ntchito bwino kozizira komanso kotentha.
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