Kev npaj ua ntej sharpening riam:
1, ua ntej saib cov hniav: cov hniav mus rau ntawm lub qhov muag, kom cov riam nto thiab cov kab pom mus rau ≈30°.Koj yuav pom ib qho arc nyob rau hauv cov hniav - ib tug dawb hniav kab, qhia tias riam tau ua npub.
2, npaj lub pob zeb: Nco ntsoov npaj lub pob zeb zoo.Yog hais tias cov hniav kab yog tuab, kuj npaj ib tug ceev nrooj whetstone, siv los sharpen lub riam sai sai.Yog hais tias koj tsis muaj ib tug ruaj sharpener, koj yuav nrhiav tau ib tug tuab daim ntaub (piv txwv li) rau pad nyob rau hauv lub sharpener pob zeb.Ncuav ib co dej rau ntawm whetstone.
Pib sharpening lub riam (muab cov hniav kab ua piv txwv):
1. Sib tsoo cov npoo sab hauv ua ntej.Ua cov riam hauv chav ua noj thiab lub pob zeb ntawm lub kaum sab xis ntawm 3 ° ~ 5 ° (qhov me dua ntawm ntug sab hauv, qhov tsawg zog txiav zaub).Thaum sharpening riam rov qab thiab tawm, ua kom lub kaum sab xis no tsis hloov.Tom qab ob peb lub kaum os, saib cov hniav hauv txoj kev 1.1 kom txog thaum cov kab hniav me me heev.Yog hais tias koj txuas ntxiv mus rau ntse riam, cov hniav yuav curl thiab cov hniav kab yuav nce.
2. Tom qab ntawd zom cov npoo sab nrauv.Ua cov riam hauv chav ua noj thiab cov pob zeb ntawm lub kaum sab xis ntawm 5 ° ~ 8 ° (lub npoo sab nrauv kom ntseeg tau tias cov tais diav tuaj yeem sib cais los ntawm rab riam hauv chav ua noj, tab sis nws yuav tsum tsis txhob loj dhau).Thaum sharpening riam rov qab thiab tawm, ua kom lub kaum sab xis no tsis hloov.Tom qab ob peb lub kaum os, saib cov hniav hauv txoj kev 1.1 kom txog thaum cov kab hniav me me heev.Yog hais tias koj txuas ntxiv mus rau ntse riam, cov hniav yuav curl thiab cov hniav kab yuav nce.
Sib tov rau cov txiaj ntsig hauv qab no:
A Tsis muaj kev sib tsoo ntawm ntug.Lub npoo npoo yog ci.
B Khiav koj txhais tes raws ntug ntawm cov hniav yam tsis muaj curling (tsis muaj curling).
C Saib xyuas cov hniav hauv txoj kev 1.1 kom txog thaum cov kab hniav me me uas cov hniav tsis tshua pom.