Thaum siv cov saw hniav, koj yuav pom tias cov hniav tsis tsuas yog muaj ntau qhov sib txawv, tab sis kuj muaj cov lej sib txawv rau tib qhov loj. Vim li cas thiaj tsim tau li no? Puas yog qhov zoo dua kom muaj cov hniav ntau dua?
Tus naj npawb ntawm cov hniav yog intimately hais txog tus ntoo khaub lig txiav thiab ripping ntawm ntoo yuav tsum tau txiav. Ripping txhais tau tias txiav raws li cov kev taw qhia ntawm cov ntoo grain, thiab hla kev txiav yog txiav ntawm 90 degrees mus rau cov kev taw qhia ntawm ntoo grain.
Thaum koj siv cov lus qhia carbide los txiav ntoo, koj yuav pom tias feem ntau ntawm cov ntoo chips yog cov khoom thaum ripping, thaum lawv yog strips thaum hla txiav.
Ntau-hniav pom cov hniav, thaum txiav nrog ntau lub tswv yim carbide nyob rau hauv tib lub sijhawm, tuaj yeem pom thaj chaw du, uas muaj qhov me dua li cov hniav uas muaj tsawg dua cov hniav, ua kom yooj yim rau tau pom qhov muag tsis pom (cov hniav dub) vim kev txiav ceev ceev. Ntau tus hniav saws siv rau qhov yuav tsum tau txiav siab, txiav ceev qis thiab hla txiav.
Lub saw nrog tsawg dua cov hniav ua rau ib tug rougher txiav qhov saum npoo, nrog ib tug loj tus naj npawb ntawm cov hniav, tshem tawm sai sawdust, thiab yog haum rau ntxhib ua softwoods nrog ib tug ceev sawing ceev.
Yog tias koj siv ntau tus hniav saw hniav rau ripping, nws yog ib qho yooj yim uas yuav ua rau cov kua nplaum tshem tawm, thiab cov hniav feem ntau tau hlawv thiab daig. Pom pinching yog qhov txaus ntshai heev rau cov neeg ua haujlwm.
Artificial boards xws li plywood thiab MDF muaj lawv cov lis kev taw qhia hloov pauv tom qab ua tiav. Yog li ntawd, siv ntau tus hniav saws, maj mam txiav qhov nrawm thiab txav mus kom zoo. Kev siv cov hniav uas muaj cov hniav tsawg dua yuav phem dua.
Hauv cov ntsiab lus, yog tias koj tsis muaj tswv yim ntawm yuav ua li cas xaiv ib tug saw hniav nyob rau hauv lub neej yav tom ntej, koj muaj peev xwm xaiv cov saw hniav raws li txiav cov kev taw qhia ntawm cov saw hniav. Xaiv cov hniav ntau dua rau bevel txiav thiab hla hla, thiab xaiv cov hniav tsawg dua rau ripping.