Qhov tseeb ua kom tawv ntawm cov hniav plooj yog qhov kos duab tiag tiag. Ib rab riam tuaj yeem yog qhov zoo nkauj thiab xis, tab sis kev ua kom tawv tawv tuaj yeem negate nws cov neeg siv khoom. Txhawm rau txhawm rau txha hniav tawg ntawm lub sijhawm tseem ceeb, ntau txoj cai yuav tsum ua raws thaum ua kom tawv.
Cov Lus Qhia
Kauj ruam 1
Koj yuav tsum paub tias qhov nyuaj yog deb ntawm qhov ntsuas tseem ceeb tshaj plaws ntawm kev txhaws tawv. Ib rab riam nrog tus overheated txiav ntug, uas zoo li ntse heev thiab ruaj khov, yuav ua rau tsis dhau mus siv tau ntev lawm, txij li ntawm ntug yuav tas li tawg. Thaum ua kom nruj, riam riam clamped hauv ib lwm yuav tsum tiv taus qhov khoov ntawm tsawg kawg 45 degrees.
Kauj ruam 2
Qhov tsim nyog, koj yuav tsum nqa tau ob peb txheej ntawm hlau, zoo ib yam li tus uas koj ua lub tshuab hniav, thiab tempered nyob rau hauv txawv tej yam kev mob. Tom qab ntawd kos rau khoov thiab xaiv qhov tawv tawv uas muab cov txiaj ntsig zoo tshaj plaws. Yog tias qhov kev xaiv no zoo li tsis kim heev thiab sijhawm siv rau koj, npau taws hniav uas siv ib qho ntawm cov zaub mov hauv qab no. Tab sis qhov no, nws yuav tsis yooj yim kom tau txais qhov zoo tshaj plaws.
Kauj ruam 3
Txoj kev yooj yim kom zoo tshaj plaws yog tso hauv dej txias. Cov kaus hniav ua kom sov yog txo qis mus rau hauv dej. Thaum qis qis nrog lub hau qis, qhov ua kom tawv tawv ntawm lub ntsis thiab txiav ntug yuav muaj zog tshaj thaum txo qis nrog lub ntsis nce. Tsis txhob tog co ntawm cov hniav tom qab ntsaws nws mus rau hauv dej, txwv tsis pub txias txias tsis tuaj yeem tuaj yeem ua rau khoov thiab tawg. Lub zog txias tshaj yuav muab cov dej khov rau.
Kauj ruam 4
Cov hniav tuaj yeem ua kom tawv tawv hauv cov ntxhia roj rhuab mus txog 200 degrees. Cov roj ua kom muaj cua txias zoo dua li cov roj txias, vim tias nws cov viscosity tsawg dua thaum ua kom sov. Tsau cov hniav sov hauv cov roj kub thiab tsau hauv nws li ib teev. Tom qab ntawd hloov mus rau dej.
Kauj ruam 5
Qhov kev xaiv no tseem ua tau: kub lub hniav mus rau ib qho xim liab thiab txo nws ntsug, ntxeev qis, rau hauv cov roj ntxhia. Sai li sai tau lub zas xim (zaj sawv) tshwm rau ntawm hniav, hloov nws mus rau hauv dej.
Kauj Ruam 6
Koj tuaj yeem tawv lub ntsej muag hauv cov xuab zeb ntub dej. Txoj kev no muab qhov ua kom tawv tawv ntawm txoj kev txiav tawm thiab tawm qhov ua kom zoo. Cov hniav tuaj yeem raug weaved rau hauv cov xuab zeb ob peb zaug, qhov no yuav ntxiv dag zog rau cov tawv tawv.
Kauj Ruam 7
Nws yog ib qho tseem ceeb tsis yog txhawm rau txhawm rau txha hniav tawg hauv qhov zoo ntawm qhov zoo, tab sis kuj tseem yuav tso nws kom raug tom qab ua haujlwm tawv. Kev mus so yog nqa tawm los ntawm cua kub mus rau ib qho kub. Cov txheej txheem cua sov kuj tseem ceeb: yog tias koj tuav lub ntsej muag hauv qhov cub hluav taws xob rau qhov kub ntawm 190 degrees rau ob teev, tom qab ntawd muab nws txo qis rau hauv tib qho nruab nrab uas nws tau quenched (dej lossis roj), ces nws yuav yog ob zaug muaj zog zoo li nrog cov cua kub yooj yim hauv lub forge rau tib qho kub (xim xim kub).
Kauj ruam 8
Txog lub caij so, lub ntsej muag npau npau rau ob xuab moos hauv dej, tom qab ntawd muab nws tso rau hauv dej tsawg dua. Yog tias nws tuab txaus, koj tuaj yeem sov lub pob tw rau hauv qhov cub kom sov thiab xim cia nws txias.
