Sab hla-thiab-ntsej muag
Sab thiab lub ntsej muag cutter
Lub hau ntaiv thiab lub ntsej muag muag yog tsim los ntawm kev txiav cov hniav ntawm nws sab thiab nws thaj chaw. Lawv ua nyob rau hauv ntau diameter thiab widths nyob ntawm daim ntawv thov. Cov hniav ntawm sab tso cai rau lub tshuab txiav kom ua rau kev tsis txaus (txiav rau ib sab xwb) tsis muaj deflecting cutter raws li yuav tshwm sim nrog ib qho kev pom los yog cov tshuab slot (tsis muaj sab hniav).
Cutters ntawm daim ntawv no tau muaj qhov ntxov tshaj plaws milling cutters tsim. Los ntawm 1810s mus rau yam tsawg kawg ntawm lub 1880s lawv feem ntau hom ntawm milling cutter, whereas hnub no tias cais tsis tau mus xaus rau mills .
