Tom qab txhua tus tau kawm txog txhuas pas nrig tooj liab, txhua tus paub tias txhuas tooj liab tooj liab tau siv hauv ntau qhov kev thov thiab muaj txiaj ntsig zoo heev. Yog li yuav ua li cas cov tshuab thev naus laus zis ntawm txhuas txhuas pas nrig tsim?
Ntev ntev ntawm cov txhuas txhuas tooj liab tooj liab, uas yog, cov khoom siv hlau hla nruab nrab ntawm cov menyuam uas sib txig sib luag thiab tig mus rau qhov tsis sib xws, yog li cov yas deformation tshwm sim, thiab qhov ntev ntawm lub sijhawm tau zoo dua qub. Qhov no yog qhov uas txhua tus xav tau. Yog li ntawd, txoj hlua ntev yog siv dav hauv kev tsim thiab ua cov tooj liab thiab hlau tooj liab tuav. Kev sib tsoo thiab dov hla tsis haum rau dov aluminium bronze tuav.
Raws li qhov kub ntawm qhov slab, dov tau muab faib ua kub dov thiab txias txias. Aluminium tooj liab pas nrig thiab cable soya taum tuaj yeem kub dov. Kub dov tsis tuaj yeem siv tau yooj yim siv cov yas deformation ntawm tooj liab thiab nws cov tooj liab tooj liab raw cov ntaub ntawv, yog li ntawd nws cov khoom tsim thiab ua cov txheej txheem muaj qhov tso tawm loj, tab sis hauv cov txheej txheem kub dov, qhov tsis xws luag xws li shrinkage, xoob, thiab ua npuas hauv forging faib tau sib sau ua ke thiab tshem tawm, tuaj yeem tsim nyog txhim kho qhov sib npaug ntawm cov txheej txheem, thiab txhim kho lub zog sib zog thiab ua siab ntev ntawm cov khoom siv hlau. Nyob rau tib lub sijhawm, nyob rau hauv tus txheej txheem kub hauv xeev, sab hauv av kev nyuaj siab ntawm cov hlau tooj liab tom qab dov deformation tuaj yeem txhim kho.
Daim ntawv thov txias txias tsuas yog txwv rau cov hlau tooj liab raw cov ntaub ntawv nrog qhov kub tsis txias txias yas hloov pauv, xws li tag nrho cov tooj liab pas nrig, thiab tseem muaj qee cov pas nrig nrog qhov xav tau siab dua.
Cov txheej txheem dov ntawm aluminium bronze pas nrig yog txheej txheem ntawm deformation yas. Piv nrog rau lwm cov txheej txheem tsim khoom thiab ua tiav, nws muaj cov yam ntxwv ntawm kev ua haujlwm siab ntau lawm thiab tus nqi qis.
Thaum lub cev yas hloov pauv, kev txheeb ze txav ntawm qhov yooj yim sib dhos ntawm lub cev deformed lossis ib feem ntawm cov nroog thiab cov nyob deb nroog, thiab kev txheeb ze sib txawv ntawm cov cuab yeej tshwj xeeb rau kev hloov pauv thiab cov khoom siv hlau tsis zoo, hu ua cov khoom siv hlau cov ntsiab lus. Qhov sib npaug ntawm cov ntsiab lus ua haujlwm ntawm cov khoom siv hlau, yam uas cuam tshuam rau cov ntsiab lus ua haujlwm ntawm cov khoom siv hlau suav nrog kev tsis sib haum ntawm cov khoom siv hlau tsis zoo thiab cov cuab yeej tshwj xeeb, kev sib cuam tshuam ntawm cov cuab yeej tshwj xeeb thiab cov khoom siv hlau tsis zoo, thiab muaj pes tsawg leeg, faib tawm thiab ntsuas kub ntawm cov khoom siv hlau.
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