【正文】 遼寧科技大學本科生畢業(yè)設(shè)計（論文） 第 I 頁 臥式加工中心主傳動系統(tǒng)設(shè)計 摘 要 數(shù)控加工中心是一種備有刀庫并能自動更換刀具對工件進行多工序加工的數(shù)控機床。它綜合了機械技術(shù)、電子技術(shù)、計算機軟件技術(shù)、氣動技術(shù)、拖動技術(shù)、現(xiàn)代控制理論、測量及傳感技術(shù)以及通訊診斷和應用編程技術(shù)的高技術(shù)產(chǎn)品。加工中心適合于加工形狀復雜、加工工序多、精度要求較高、需要用多種類型的普通機床和眾多的工藝裝備，且需經(jīng)多次裝夾和調(diào)整才能完成加工的零件。數(shù)控加工中心主傳動系統(tǒng)是由主軸電動機、主軸傳動系統(tǒng)以及主軸組件組成。本文對數(shù)控加工中心的功能與發(fā)展趨勢進行了簡單的論述，著重論述了臥式 加工中心主傳動系統(tǒng)的設(shè)計，其內(nèi)容包括電動機的選擇、確定傳動方案、擬定轉(zhuǎn)速圖、齒輪的設(shè)計與校核、主軸的設(shè)計及各傳動軸的設(shè)計與各傳動軸的剛度校核。 關(guān)鍵詞 ： 主軸箱；無極變速； 傳動系統(tǒng) 遼寧科技大學本科生畢業(yè)設(shè)計（論文） 第 II 頁 Horizontal processing center main transmission system design Abstract Processing center is equipped with a sword and can change automatic library tool on the more process of numerical control machine. It bined the mechanical technology, electronic technology, puter software technology, pneumatic technology, dragging technology, modern control theory, measurement and sensing technology and munications diagnosis and application programming technology of high technology products. Suitable for processing processing center plex shape, and processing procedures, higher accuracy, need to use a variety of types of ordinary machine tools and many of the tec hnology and equipment, and need to the many times the clamping and adjust to finish machining parts. Processing center main transmission system is made of spindle motor, main shaft transmission system and the spindle ponent. This article on the nc machi ning center function and the development trend of simple, this paper focuses on the horizontal processing center main transmission system design, and its content including motor selection, sure transmission scheme, for the design of gear speed diagram, and checking, the design and the design and checking of the drive shaft Key words: headstocks, a continuously variable speed , transmission Systerm 遼寧科技大學本科生畢業(yè)設(shè)計（論文） 第 III 頁 目 錄 1 緒 論 ................................................................................................................................. 1 加工中心的定義 ......................................................................................................... 1 加工中心的特點 ......................................................................................................... 1 加工精度高 ...................................................................................................... 1 ........................................................................................................... 1 適應性強 .......................................................................................................... 2 生產(chǎn)效率高 ...................................................................................................... 2 經(jīng)濟效益好 ...................................................................................................... 2 勞動強度低，工作條件好 .............................................................................. 2 有利于生產(chǎn)管理的現(xiàn)代化 .............................................................................. 3 加工中心的主要加工對象 ......................................................................................... 3 既有平面又有孔系的零件 .............................................................................. 3 結(jié)構(gòu)形狀復雜、普通機床難加工的零件 ...................................................... 3 外形不規(guī)則的異形零件 .................................................................................. 3 新產(chǎn)品試制中的零件 ...................................................................................... 3 周期性投產(chǎn)的零件 .......................................................................................... 4 加工中心的基本組成 ................................................................................................. 4 基礎(chǔ)部件 .......................................................................................................... 4 主軸部件 .......................................................................................................... 4 數(shù)控系統(tǒng) .......................................................................................................... 4 自動換刀系統(tǒng) .................................................................................................. 5 輔助裝置 .......................................................................................................... 5 加工中心的工作原理 ................................................................................................. 5 加工中心的分類 ......................................................................................................... 6 立式加工中心 .................................................................................................. 6 臥式加工中心 .................................................................................................. 6 萬能加工中心 .................................................................................................. 6 虛軸加工中心 .................................................................................................. 7 加工中心的發(fā)展方向 ................................................................................................. 7 2 加工中心主傳動系統(tǒng) ..................................................................................................... 8 加工中心主傳動系統(tǒng)的要求 ..................................................................................... 8 調(diào)速功能 .......................................................................................................... 8 ................................................................................................... 8 精度和剛度要求 .............................................................................................. 8 抗振性和熱穩(wěn)定性要求 .................................................................................. 9 具有刀具的自動夾緊功能 .............................................................................. 9 功率要求 .......................................................................................................... 9 主軸定位功能要求 .