Kev yuav riam: 1. Xaiv ob sab ntawm riam: du thiab huv, tsis muaj forging dents. 2. Lub thickness ntawm cov hniav xaiv yog ib yam zoo li: cov hlau raug nruab nrab, cov hniav yog ncaj thiab tsis twisted, thiab muaj ib tug dub kab ntawm cov hniav thaum saib ncaj qha ntawm cov hniav, thiab tsis muaj "dawb ntug" 3 . Lub nraub qaum, lub taub hau, thiab pob taws ntawm cov hniav yog hauv av smoothly, "tsis muaj dub" thiab tsis muaj burrs, Tsis txhob tuav tes. ⒋ Lub riam kov yog ntsia ncaj nraim thiab ruaj khov, thiab rab riam hoop tsis xoob.
Kev nkag siab zoo ntawm kev siv riam: ⒈ txiav pob txha thiab txiav nqaij yuav tsum tau siv nyias nyias raws lub hom phiaj sib txawv, riam tsis haum rau kev txiav cov khoom tawv xws li hlau thiab ntoo. 2. Thaum txiav cov pob txha, nws raug nquahu kom siv lub pob taws ntawm cov hniav txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam cov pob txha, nws raug nquahu kom siv lub pob taws ntawm cov hniav kom kov cov pob txha. Yog tias cov pob txha daig ntawm ntug ntawm riam, nws tsis pom zoo kom co nws ntawm sab mus rau sab thiab rub tawm ntawm ntug ntawm riam.
Txoj kev raug yog nqa cov pob txha ua ke nrog rab riam thiab chop kom txog thaum cov pob txha tawg. Txwv tsis pub, nws yuav ua rau cov hniav tawg cov hlau thiab tsim qhov sib txawv arc-zoo li tus, uas yog siv tsis raug thiab tsis them los ntawm warranty. ⒊ Cov riam yuav tsum tau ntxuav, so qhuav, thiab coated nrog cov roj ua noj ua haus tom qab siv txhua zaus, thiab muab tso rau hauv qhov cua, qhov chaw qhuav, kom deb ntawm dej thiab qhov cub kom tsis txhob xeb.
(Cov riam tsis muaj hlau yuav ua rau cov pob txha daj thaum lawv tuaj yeem tiv nrog cov pa roj carbon monoxide, uas yuav tsum tau tiv thaiv.) 4. Cov riam thiab txiab hauv chav ua noj tau rusty. Tom qab cov riam hauv chav ua noj yog xeb, muab cov riam tso rau hauv lub tshuab ntxhua khaub ncaws, soak hauv dej li 3 teev kom tshem tawm xeb. 5. Riam dej sib tsoo txoj kev: Thaum lub riam yog blunt, ntxiv dej thiab zom nws rov qab mus rau lub whetstone ntawm lub kaum sab xis ntawm 15 ° -20 ° rau ob peb zaug kom nws tsis tshua muaj neeg ntse.
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