Cov cuab yeej Kawm Raj Thib (NC) yog qhov kev tshwm sim uas tau pab kho thiab tso cai rau kev tsim khoom hluas tshaj plaws los ntawm kev pab kho cov cuab yeej nrog kev sau hlo siv. Cov chaw tsim khoom no, uas tau tsim ua ntxiv ua ntej hnub no, tau siv ib qhov chaw nyob - tseem ceeb tshaj yog duab npav - los ceev thiab saib cov lus qhia rau cov cuab yeej. Kev sau hlo rau NC yog muaj ntau qhov lus thiab leej twg (G-codes thiab M-codes) uas qhia txog qhov chaw mus los, kev ncaws ntawm spindle, thiab cov haujlwm ntxiv xws li kev cooj coolant. Txawv ntawm CNC, cov NC tsis muaj computer nyob hauv; lub chaw kho yog ib qho chaw tsim nyob zoo uas tsis tuaj yeem ceev cov hlo lossis hloov kho tsis muaj duab tshiab. Qhov no tau muab ntau qhov yooj yim, xws li duab npav tuaj yeem raug khaum lossis phom sij, uas tuaj yeem tshwm sim kev sai hlo lossis tig kev tsim khoom, thiab kev nyuaj siab hauv kev hloov kho lossis txhim kho cov hlo. Cov neeg tsim khoom yuav tsum rov sau duab tshiab rau txhua qhov hloov kho, tsawg lossis ntau. Txhawm tias muaj qhov nyuaj no, kev tsim NC yog ib qhov kawm loj, uas pab tsim cov khoom tshaib nrog kev raug zoo thiab muaj peev xwm dua li kev tsim khoom los ntawm txoj kev tshaj tawm. Nws tau pab tshaj tawm cov khoom tshaib rau kev lag luam tshaib thiab kev tswj hwm. Nyob ib puag ncig ntawm kev pom zoo qhov kev pab kho los ntawm NC mus rau CNC, yog ib qhov tseem ceeb los pom zoo qhov kev pab kho hluas tshaj plaws; NC tau tso qhov kev tshwm sim ntawm kev sau hlo rau cuab yeej, thaum CNC, nrog nws microprocessors thiab software, tau ntxiv nws los ntawm kev ceev hlo, cov ntsiab lus siv, kev kho kom raug, thiab kev tshwm sim algorithmic, uas tig rau kev tsim khoom hluas tshaj plaws thiab muaj peev xwm txaus.
Peb lub neej koom hauj khwv loj tuaj yeem pab koj thaum twg los.