【正文】
算機數(shù)控機床就是在 NC機床的基礎(chǔ)上附加一個內(nèi)置式計算機,這種內(nèi)置式計算機通常被稱為機床控制單元或 MCU。機床控制單元還包括機床運動控制器,該控制器是一個可執(zhí)行的軟件程序。通過減少零件在機床間轉(zhuǎn)移,加工中心能夠節(jié)省生產(chǎn)時間與成本。材料在光線的照射下溫度會驟然上升并汽化。切割絲水平移動所產(chǎn)生的電火花會將材料腐蝕掉,而CNC就是用來控制水平工作臺的移動。Text At a single setup machining centers can perform such operations as milling, drilling, tapping, boring, and so on. Additionally by utilizing indexing heads, some centers are capable of executing these tasks on many different faces of a part and at specified angles. Machining centers save production time and cost by reducing the need for moving a part from one machine to another. 加工中心只需一次裝卡就可以完成銑、鉆、攻絲、鏜等多種加工操作。Text The ponents found in many CNC systems are shown in Figure 11 . Machine control unit: generates, stores and processes CNC programs. The machine control unit also contains the machine motion controller in the form of an executive software program. NC machine: responds to programmed signals from the machine control unit and manufactures the part. CNC系統(tǒng)中常見的組成部分如圖 11所示。 NC機床的控制單元通常由硬件構(gòu)成,也就是說機床的功能是由控