Cov ntaub ntawv tiaj tus yog siv rau: foob dav hlau thiab sab nrauv;
Cov ntaub ntawv square yog siv rau: cov ntaub ntawv grooves thiab square qhov;
Daim duab peb sab yog siv rau: filing daim duab peb sab zawj, loj dua 60. Sab hauv ces kaum nto;
Cov ntaub ntawv semicircular yog siv rau; Ua ntaub ntawv rau sab hauv nkhaus nto thiab loj puag ncig lub qhov;
Round ntaub ntawv yog siv rau: ua ntaub ntawv puag ncig lub qhov thiab me me vojvoog puab puag ncig qhov.
(2) Cov ntaub ntawv yas (cov ntaub ntawv Shijin). Nws yog tsuas yog siv rau kev nplua machining thiab trimming qhov me me ntawm lub workpiece uas nyuaj rau tshuab. Nws muaj ob peb cov ntaub ntawv nrog ntau yam hla ntu duab.
(3) Cov ntaub ntawv tshwj xeeb. Nws yog siv rau kev ua haujlwm tshwj xeeb ntawm qhov chaw. Nws muaj ob hom: ncaj thiab nkhaus, thiab nws cov duab hla ntu muaj ntau yam.
