Apa tidalemba makamaka zomwe zili pansipa 3 zosweka-Bush Wosweka kapena Ndodo Yosweka kapena Kulephera Kulumikizana kwa Mount;Rod Weld anathyoka ndipo Ndodo yosweka.
1. Chitsamba Chosweka, Ndodo Yasweka Diso, kapena Kulephera Kulumikizana kwa Mount
Silinda imayikidwa m'njira zosiyanasiyana: maso a ndodo kapena mbiya, trunnion, flange, ndi zina zambiri.Silinda ikalemedwa mopitilira muyeso kapena molakwika, kupsinjika kopitilira muyeso kumayikidwa pamalumikizidwe okwera omwe amabweretsa kutha mwachangu kapena kulephera.Zilonda zapamaso ndi ndodo zimatha kutha, kung'ambika, kapena kusweka ndikupangitsa kutsetsereka komanso kuyenda kosafunikira.
2. Ndodo Weld fracture
a.Kuwotcherera kulephera
Kutalika kosungunuka kosungunuka ndi kuya kwa kuphatikizika sikuli koyenerera.Monga momwe chithunzi chikuwonetsera-Kutalika kosungunuka ndi 4mm ndipo Kuzama kwa kusakanikirana ndi zinthu zoyambira ndi ＜0.5mm
b. Weld Crack Mu kuwotcherera kapena pambuyo kuwotcherera, kuphulika kwachitsulo m'dera lakuwotcherera, kumatuluka mkati kapena kunja kwa weld, kungathenso kuchitika m'madera omwe amakhudzidwa ndi kutentha.
c.Olakwika kuwotcherera panopa, ngati panopa ndi laling'ono kwambiri, arc si wokhazikika, zosavuta chifukwa slag inclusions ndi unwelded zilema, ndi otsika zokolola;Ngati panopa kwambiri, zosavuta kuluma kuwotcha, ndi zina zolakwika, pamene kuwonjezeka sipotera.
d.Kugwiritsa ntchito zinthu molakwika, monga pisitoni ndodo (zinthu 45Mn) ndi mphanda (zinthu 42CrMo) zomwe zimakhala ndi zida zowotcherera.Base zakuthupi: pisitoni ndodo chuma 45Mn mpweya ofanana Ceq = 0.735%, 42CrMo ofanana mpweya Ceq = 0.825%, weldability ndi osauka kwambiri, pa firiji kuwotcherera n'zosavuta kupanga owuma minofu, kuti weld minofu plasticity ndi kulimba kuchepa, osauka kukana ming'alu.
3. Ndodo yothyoka
Mphamvu zakuthupi sizokwanira;Vuto la kapangidwe;Vuto Lowotcherera
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Nthawi yotumiza: Dec-09-2022