【正文】 d 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) 2021 屆畢業(yè)設(shè)計說明書 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) 2021 屆 畢業(yè)設(shè)計說明書 第 I 頁 共 Ⅲ 頁 目 錄 1 緒論 .............................................................. 1 1． 1 機床的產(chǎn)生與發(fā)展 ................................................................................................ 1 機床的產(chǎn)生 ............................................................................................................ 1 機床的發(fā)展 ............................................................................................................ 1 1． 2 我國數(shù)控機床的發(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)控車床實訓(xùn)臺的性能要求 ......................................... 12 3． 1 數(shù)控機床的工作原理及組成 .............................................................................. 12 數(shù)控機床的工作原理 .......................................................................................... 12 數(shù)控機床的組成 .................................................................................................. 14 3． 2 數(shù)控車床的特點 .................................................................................................. 16 數(shù)控機床的結(jié)構(gòu)特點 .......................................................................................... 16 數(shù)控機床的加工特點 .......................................................................................... 16 3． 3 數(shù)控車床實訓(xùn)臺的設(shè)計要求 .............................................................................. 17 數(shù)控機床實訓(xùn)臺的控制功能 .............................................................................. 17 數(shù)控機床實訓(xùn)臺的操作功能 .............................................................................. 17 數(shù)控機床實訓(xùn)臺的診斷功能 .............................................................................. 18 數(shù)控機床實訓(xùn)臺的基本配置 .............................................................................. 18 數(shù)控機床實訓(xùn)臺的要達到的實訓(xùn)項目 .............................................................. 18 中北大學(xué) 2021 屆 畢業(yè)設(shè)計說明書 第 II 頁 共 Ⅲ 頁 4 數(shù)控車床實訓(xùn)臺硬件系統(tǒng)實現(xiàn) ....................................... 19 4． 1 數(shù)控車床實訓(xùn)臺硬件系統(tǒng)的設(shè)計原則 .............................................................. 19 4． 2 數(shù)控車床實訓(xùn)臺硬件系統(tǒng)的硬件選擇 .............................................................. 19 伺服驅(qū)動器的選擇 .............................................................................................. 19 變頻器的選擇 ...................................................................................................... 21 進給軸伺服電機的選擇 ...................................................................................... 22 主軸電機的選擇 .................................................................................................. 23 實訓(xùn)臺必需的其他組件 ...................................................................................... 24 實訓(xùn)臺的硬件的連接 ............................................................................................. 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 與自動換刀控制 ......................................................................................... 35 5 實訓(xùn)臺的操作 ..................................................... 37 5． 1 實訓(xùn)臺基本操作 .......................................................................