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Tsev / Xov xwm / Ntsiab lus

Aug 14, 2020

Tham Txog Kev Siv Qhov Zoo Tshaj Plaws Cov Hardness Rau Kev Tua Cov Hlau Txhaum

Txhua tus paub tias muaj ntau yam kev txhaj tshuaj steel, thiab txawv steel txhaj tshuaj yuav tsum muaj cov khoom nyoos thiab khoom sib txawv. Rau kev txhaj tshuaj steel ntau lawm, kuj tseem muaj cov kab tsim thiab khoom siv ntxiv, uas tuaj yeem muas ncaj qha. Muaj ntau qhov chaw uas yuav tsum tau txhaj tshuaj steel, xws li cov nruas pov tseg, kev zam txim, seem tom qab siv tshuab, thiab qhov chaw tom qab kho cua sov.

Advanced cov txheej txheem cov khoom siv: txais cov txheej txheem thoob ntiaj teb ua tiav anhydrous ntau lawm, uas yog, siv cov xuab zeb qhuav qhuav los pleev cov zaj duab xis hlau, ua kom tiav cov kev cuam tshuam casting xws li lub qhov hws thiab slag suav nrog uas yuav tshwm sim los ntawm dej iav noo, kom khoom zoo Nws tau ua ib qho leap zoo; thiab txhim kho hlau-rau-carbon piv kom tau raws li qhov yuav tsum tau quenching.

Steel txhaj tshuaj kuj tseem siv dav hauv kev lag luam foundry. Thaum lub workpiece raug coj tawm hauv cov pwm, lub xuab zeb raug tshem tawm saum npoo ntawm workpiece nrog hlau tua. Thaum steel tua siv nrog cov cuab yeej tsim nyog, nws yog qhov muaj qhov zoo tshaj plaws abrasive rau kev tu vaj tse vim nws ruaj khov.

Cov txheej txheem tsim kev txhaj koob tshuaj tiv thaiv steel yog thawj zaug yaj ua cov thooj siab zoo hauv cov hlau, tom qab ntawd txau cov hlau nchuav rau hauv cov xaim nrog cov dej ua kom siab. Cov kev txhaj tshuaj tiav rov kho dua kom ntxuav lawv tusyees, thiab tom qab ntawd quenched. Tom qab annealing, txhaj koob tshuaj tivthaiv hlau tempered muaj xim xiav xim tsis pom kev. Tempered iron txhaj tshuaj feem ntau siv los ua txuj ua tus cam khwb cia steel txhaj tshuaj. Qhov kev pab cuam lub neej ntawm cov hlau txhaj tshuaj tsuas yog 50-400 zaug. Lub xeb tshem tawm txoj haujlwm ntawm cov hlau txhaj tshuaj yog qhov txo qis thiab qhov kev nyiam ntawm cov neeg siv yog qhov ua kev puas tsuaj loj.


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