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Valve lub cev

Luv hauj lwm:

Weigh scopet: 0.2-1800KG
 technology: Ntsuab xuab zeb, cob xuab zeb, poob ua npuas ncauj, plhaub pwm
 Qhuav kab: Disa kab, pib molding kab, phau ntawv molding tshuab
 daim ntawv thov: Twj, valve, tsheb, ua liaj ua teb, lwm yam cov neeg kho tshuab teb.


khoom Nthuav dav

khoom cim npe

Zas hlau - kuj raug xa mus rau raws li spheroidal los yog nodular hlau - yog ua tau ib pab pawg neeg ntawm irons uas muaj siab zog, yooj, durability thiab elasticity vim lawv cov cim microstructure. Cam khwb cia zas hlau nquag muaj tshaj 3 feem pua ​​carbon; nws yuav khoov duav, twisted los yog deformed tsis fracturing. Nws txhua yam khoom zoo sib xws rau steel, thiab nyob deb tshaj cov neeg ntawm tus qauv cam khwb cia irons.

Zas hlau castings yog khoom hlau khoom uas tau los ntawm molten zas hlau raug poured mus rau hauv voids nyob rau hauv ib cov pwm. Lub zas hlau tom qab cools thiab solidifies nyob rau hauv tus duab ntawm lub tsis muaj dabtsis nws occupies.

Lub graphite thiab cov pa roj carbon muaj nyob rau hauv cam khwb cia hlau tshwm sim raws li plaub ya ri; cam khwb cia hlau teev zoo compressive load tuition, tab sis tensile loading saum toj no nws cov natural tensile zog yuav ua rau tej kab nrib pleb tsim thiab propagate sai tawm ntawm kev nyuaj siab cov ntsiab lus nyob rau hauv lub flaked graphite microstructure. Raws li ib tug tshwm sim, cam khwb cia hlau muaj zoo tsis muaj elongation. Nws yog ib tug nkig cov khoom, thiab yog li ntawd tas nyob rau hauv nws cov kev siv nyob rau hauv tensile thiab poob siab loading daim ntaub ntawv.

Lub graphite nyob rau zas hlau tshwm sim raws li spheroids, li ntawd nws yog tej zaum raug xa mus rau raws li spheroidal graphite. Ib yam li ntawd, lub sij hawm nodular hlau stems los ntawm qhov tseeb hais tias cov pa roj carbon muaj nyob rau hauv zas hlau yog muaj nyob rau hauv daim ntawv ntawm nodules. Qhov no cim microstructure ua zas hlau los mus tiv dabtsi yog khoov thiab poob siab loading deb zoo dua cov tsoos cam khwb cia hlau.

Zas hlau muaj zog dua thiab ductility ces gray hlau. Cov zog cia nws yuav tsum tau siv zoo nyob rau hauv ib tug ntau yam uas muaj daim ntaub ntawv, xws li cov yeeb nkab, automotive Cheebtsam, log, iav thawv, twj tso kua mis housings, tshuab ntas rau cov cua-power kev lag luam, thiab ntau ntxiv.


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