Cov ntsiab lus tseem ceeb ntawm kev paub ntawm cov hniav sib tsoo pom: pom lub rooj tsavxwm tau muab faib ua SK-5 (hardness 49-51), 65 manganese (hardness ib txwm 46-48), thiab steel zoo tib yam siv txog li ntawm 44 degrees (ntau dua ib txwm)
1. Cov hniav hom tau muab faib ua: kev sib tsoo zoo ntawm cov hniav (peb-ob daim oblique sib tsoo, qhov sib tsoo ncaj qha grinds pom txoj kev thiab hom hniav) cov yam ntxwv: qhov ntse zoo, txuag kev ua haujlwm, ua haujlwm zoo, thiab kev pab lub neej ntev 4-5 zaug uas ntawm dog dig peb-tog sib tsoo cov hniav.
2. Cov nyom peb txoj kab sib tsoo (lub kaum kev sib tsoo yog qhov ncaj, feem ntau nyob ib puag ncig 35 degrees), nws tau sib cais thaum pom txoj kev xuas nrig ntaus (qhov tsis zoo yog tias cov hlau ywj pheej, yog li pom cov hniav tsis nyob rau hauv kab ncaj nraim , thiab lub ntsej muag txiav tsis tiaj thaum ua haujlwm), Feem ntau, 65 Mg lossis cov khoom siv ib txwm siv.
3. Ordinary yog qhov yooj yim tshaj plaws hauv kev ua lag luam (cov khoom lag luam qis):
Vim li cas Japanese saws tau zoo? Feem ntau nyob rau hauv cov nqe lus ntawm cov iav sib tsoo cov txheej txheem thiab steel phaj cov khoom siv. Qhov siab dua qhov nyuaj ntawm cov hlau, ntau dua qhov tseeb, thiab qhov nqi siab dua rau kev ua lag luam, tab sis kev piav qhia kom meej kom meej meej. Piv txwv li, cov ntawv hlau me me thiab curling rau ntawm ntug hniav ntawm qhov khoom lag luam hauv tsev yog qhov loj heev tom qab sib tsoo cov hniav. Qhov laj thawj yog vim li cas qhov nyuaj ntawm cov hlau tsis txaus, lub tshuab ceev ntawm lub nrawm dhau sai thaum sib tsoo cov hniav (hauv kev ua haujlwm ntawm kev ua tau zoo), thiab siv tshuab thiab khoom siv ua khoom siv tsis txaus. Qhov no yog lub ntsiab vim li cas:
Cov khoom lag luam Sima: 10% pheej yig dua tsis muaj se, 210mm, 240mm SK-5 khoom, zoo iav iav, chrome-plated nto
