Kev tsim CNC, feem ntau raug sau tseg hauv lus tseem ceeb ntawm kev tsim los ntawm kev tuag (DFM), yog qhov chaw pib uas qhia txog qhov kev nyob zoo thiab tus nqi ntawm ib qhov khoom tuag tau. Nws yog qhov kauj ruam tseem ceeb ntawm qhov kev xaum tsim thiab qhov khoom uas tuaj yeem tuag tau hauv kev tuag siv Computer Numerical Control (CNC). Kev tsim CNC zoo yuav tsum muaj kev paub meej meej txog kev tsim kho tshuaj thiab kev tu tuag CNC, xws li kev tsim khoov, kev pib tua, thiab kev khiav dej rau cov khoom tuag. Cov lus tseem ceeb tau suac txhua yam, xws li kev nthuav dav ntawm lub kaum thiab kev tiv thaiv kom tsis txhob phom, sau cov rooj sab nraud ntawm qhov rooj sab nraud uas sib xws nrog qhov loj ntawm cov tua noj uas tsis tas tshaj tawm ntau nqi rau cov tua tsis tseem ceeb, thiab tsim cov feem ntawm kev tsim kom txo qhov ntau ntawm cov chaw pib, uas muaj kev pib ntau thiab nqi. Cov kaum ncauj, cov kaum zoo, thiab cov chaw ntxuav yuav tsum tau muab tso rau hauv kev tsim, tsis yog tsuas yog rau kev ua haujlwm, tab sis tseem rau kev tuag zoo dua thiab tshem tawm cov kab. Kev xaiv cov khoom siv yog ib qhov tseem ceeb ntawm kev tsim CNC; kev xaiv ntawm aluminum, steel, titanium, lossis cov khoom siv kho mob yuav qhia txog kev tuag, kev xaiv tus nqi, thiab thaum kawg yog qhov kev ua haujlwm ntawm qhov khoom. Txij li ntawd, cov neeg tsim yuav tsum soj ntsuam cov nqi tseem ceeb, siv cov nqi tseem ceeb tsuas yog thaum yuav tsum tau kom tsis txhob muaj nqi ntau uas muaj kev tuag siab dua thiab kev soj ntsuam tseem ceeb. Muab kev pib ntawm kev siv software CAM (Computer-Aided Manufacturing) zoo dua, kev tsim CNC kuj muaj kev tsim cov duab 3D uas "zoo ncig," thiab yooj yooj tshwm sim cov kev tuag zoo, tsis muaj kev phom. Ib qhov kev tsim CNC zoo yuav tshwm sim ib qhov khoom uas tsis yog tsuas yog tshiab thiab muaj kev ua haujlwm, tab sis kuj tuaj yeem tuag tau nrog kev nyob zoo tshaj plaws, tsawg waste, thiab kev tuag uas tuaj yeem paub ntev, thim mus rau qhov kev pib ntawm kev tuag ntau.
Peb lub neej koom hauj khwv loj tuaj yeem pab koj thaum twg los.