【正文】 ， and work principle, and control way, knowledge Hou under it equipped with servo system， and spindle control system and secondary movement control system， by inspection information on lathe real training Taiwan of hardware for select， understanding each module of work principle， and design external hardware line， eventually design out can pleted demonstrates spindle control， and into to movement control， and secondary device control， function， meet school teaching actual demand of dedicated experimental device． Not only can be used as electrical faults of NC lathe repair training equipment， or as actual machining of numerical control lathe operation training devices． The appliance can make students master the electrical design of NC lathe system control theory， methods， ponents selection， lathe of fault diagnosis of electrical installation and missioning， maintenance，programming and graphic simulation of machining process of parts and many other experimental content， reach industrial production practice． Procedure into line with actual 中北大學(xué) 2022 屆畢業(yè)設(shè)計(jì)說明書 production， and economical and practical， not only solve the problem of the high cost of training， but also to reflect the authenticity of the simulation operation， for teaching to be improved significantly． Keyword： Nc system， Lathe， Servo system， Control 中北大學(xué) 2022 屆畢業(yè)設(shè)計(jì)說明書 第 I 頁 共 Ⅲ 頁 目 錄 1 緒論 .............................................................. 1 1． 1 機(jī)床的產(chǎn)生與發(fā)展 ................................................................................................ 1 機(jī)床的產(chǎn)生 ............................................................................................................ 1 機(jī)床的發(fā)展 ............................................................................................................ 1 1． 2 我國數(shù)控機(jī)床的發(fā)展現(xiàn)狀及前景 ........................................................................ 2 1． 3 本課題的研究背景及意義 .................................................................................... 3 2 西門子 802C 數(shù)控系統(tǒng)的介紹 ......................................... 5 2． 1 西門子 802C 數(shù)控系統(tǒng)概述 ................................................................................. 5 2． 2 西門子 802C 數(shù)控系統(tǒng)的組成 ............................................................................. 5 基本面板 ................................................................................................................ 5 NC 鍵盤區(qū) ............................................................................................................. 6 機(jī)床控制面板 ........................................................................................................ 7 LCD 顯示區(qū) ........................................................................................................... 9 主要軟件功能 ...................................................................................................... 10 3 數(shù)控車床實(shí)訓(xùn)臺(tái)的性能要求 ......................................... 12 3． 1 數(shù)控機(jī)床的工作原理及組成 .............................................................................. 12 數(shù)控機(jī)床的工作原理 .......................................................................................... 12 數(shù)控機(jī)床的組成 .................................................................................................. 14 3． 2 數(shù)控車床的特點(diǎn) .................................................................................................. 16 數(shù)控機(jī)床的結(jié)構(gòu)特點(diǎn) .......................................................................................... 16 數(shù)控機(jī)床的加工特點(diǎn) .......................................................................................... 16 3． 3 數(shù)控車床實(shí)訓(xùn)臺(tái)的設(shè)計(jì)要求 .............................................................................. 17 數(shù)控機(jī)床實(shí)訓(xùn)臺(tái)的控制功能 .............................................................................. 17 數(shù)控機(jī)床實(shí)訓(xùn)臺(tái)的操作功能 .............................................................................. 17 數(shù)控機(jī)床實(shí)訓(xùn)臺(tái)的診斷功能 .............................................................................. 18 數(shù)控機(jī)床實(shí)訓(xùn)臺(tái)的基本配置 .............................................................................. 18 數(shù)控機(jī)床實(shí)訓(xùn)臺(tái)的要達(dá)到的實(shí)訓(xùn)項(xiàng)目 .............................................................. 18 中北大學(xué) 2022 屆畢業(yè)設(shè)計(jì)說明書 第 II 頁 共 Ⅲ 頁 4 數(shù)控車床實(shí)訓(xùn)臺(tái)硬件系統(tǒng)實(shí)現(xiàn) ....................................... 19 4． 1 數(shù)控車床實(shí)訓(xùn)臺(tái)硬件系統(tǒng)的設(shè)計(jì)原則 .............................................................. 19 4． 2 數(shù)控車床實(shí)訓(xùn)臺(tái)硬件系統(tǒng)的硬件選擇 .............................................................. 19 伺服驅(qū)動(dòng)器的選擇 .............................................................................................. 19 變頻器的選擇 ...................................................................................................... 21 進(jìn)給軸伺服電機(jī)的選擇 ...................................................................................... 22 主軸電機(jī)的選擇 .................................................................................................. 23 實(shí)訓(xùn)臺(tái)必需的其他組件 ...................................................................................... 24 實(shí)訓(xùn)臺(tái)的硬件的連接 ............................................................................................. 25 系統(tǒng)概述 .............................................................................................................. 25 系統(tǒng)的接線 .......................................................................................................... 25 電源模塊 .............................................................................................................. 30 伺服模塊 .............................................................................................................. 31 主軸模塊 .............................................................................................................. 33 PLC 與自動(dòng)換刀控制 ......................................................................................... 35 5 實(shí)訓(xùn)臺(tái)的操作 ..........................