Valani zitsulo zosagwira ntchito

Chitsulo chosamva kuvala chimakhala ndi mbale yachitsulo yotsika kaboni komanso wosanjikiza wosamva kuvala kwa aloyi.Zosanjikiza zosagwirizana ndi aloyi nthawi zambiri zimakhala 1/3 ~ 1/2 ya makulidwe onse.Panthawi yogwira ntchito, matrix amapereka zinthu zambiri monga mphamvu, kulimba ndi pulasitiki kuti athane ndi mphamvu zakunja, ndipo wosanjikiza wosasunthika wa alloy umapereka katundu wosavala zomwe zimakwaniritsa zofunikira za ntchito zomwe zatchulidwa.

Chitsulo chosamva kuvala chimakhala chomangika mwazitsulo pakati pa aloyi wosamva kuvala ndi gawo lapansi.Kudzera mu zida zapadera ndi njira kuwotcherera basi, mkulu kuuma kudziteteza aloyi kuwotcherera waya ndi wogawana welded pa gawo lapansi.Chiwerengero cha zigawo zophatikizika ndi chimodzi kapena ziwiri kapena zingapo.Panthawi yophatikizika, ming'alu yopingasa yofananira imawonekera chifukwa cha kuchuluka kwa aloyi wocheperako, chomwe ndi chinthu chodabwitsa cha mbale yachitsulo yosamva kuvala.

Wosanjikiza wosamva kuvala kwa alloy amapangidwa makamaka ndi aloyi ya chromium, ndi zida zina za aloyi monga manganese, molybdenum, niobium ndi faifi tambala amawonjezeredwa.The carbides mu dongosolo metallographic anagawira CHIKWANGWANI mawonekedwe, ndi CHIKWANGWANI malangizo ndi perpendicular pamwamba.Kuuma kwakung'ono kwa carbide kumatha kufika pamwamba pa hv1700-2000 ndipo kuuma kwapansi kumatha kufika HRC58-62.Ma alloy carbides amakhala okhazikika pa kutentha kwakukulu, amakhalabe olimba kwambiri, komanso amakhala ndi kukana kwa okosijeni.Atha kugwiritsidwa ntchito bwino mkati mwa 500 ℃.

Wosanjikiza wosavala amatenga mawonekedwe a njira yopapatiza (2.5-3.5mm), njira yayikulu (8-12mm), kupindika (s, w), etc;Amapangidwa makamaka ndi chromium alloy ndi zigawo zina za aloyi monga manganese, molybdenum, niobium, faifi tambala ndi boron.The carbides mu dongosolo metallographic anagawira CHIKWANGWANI mawonekedwe, ndi CHIKWANGWANI malangizo ndi perpendicular pamwamba.Zomwe zili ndi carbide ndi 40-60%, microhardness imatha kufika kupitirira hv1700, ndipo kuuma kwa pamwamba kumatha kufika HRC58-62.

Kuchuluka kwa ntchito

Kuvala chitsulo chosagwira mbale kumakhala ndi kukana kwamphamvu kwambiri komanso kuchita bwino.Ikhoza kudulidwa, kupindika ndi kuwotcherera.Itha kulumikizidwa ndi zida zina ndi kuwotcherera, kuwotcherera mapulagi ndi kulumikizana kwa bawuti.Imapulumutsa nthawi komanso yabwino pokonza.Amagwiritsidwa ntchito kwambiri muzitsulo, malasha, simenti, mphamvu yamagetsi, galasi, migodi, zomangira, njerwa ndi matailosi ndi mafakitale ena.Poyerekeza ndi zipangizo zina, ili ndi ntchito yotsika mtengo, Yakhala ikukondedwa ndi mafakitale ambiri ndi opanga.