【正文】
作和順序動(dòng)作等信息用代碼化的數(shù)字記錄在控制介質(zhì)上,然后將數(shù)字信息送入數(shù)控裝置或計(jì)算機(jī),經(jīng)過(guò)譯碼,運(yùn)算,發(fā)出各種指令控制機(jī)床伺服系統(tǒng)或其它的執(zhí)行元件,加工出所需的工件。隨著計(jì)算機(jī)的發(fā)展,數(shù)控機(jī)床也得到迅速的發(fā)展和廣泛的應(yīng)用,同時(shí)使人們對(duì)傳統(tǒng)的機(jī)床傳動(dòng)及結(jié)構(gòu)的概念發(fā)生了根本的轉(zhuǎn)變。 第一章 數(shù)控機(jī)床優(yōu) 勢(shì)概述 機(jī)床作為機(jī)械制造業(yè)的重要基礎(chǔ)裝備,它的發(fā)展一直引起人們的關(guān)注,由于計(jì)算機(jī)技術(shù)的興起,促使機(jī)床的控制信息出現(xiàn)了質(zhì)的突破,導(dǎo)致了應(yīng)用數(shù)字化技術(shù)進(jìn)行柔性自動(dòng)化控制的新一代機(jī)床-數(shù)控機(jī)床的誕生和發(fā)展。購(gòu)買新的數(shù)控機(jī)床是提高數(shù)控化率的主要途徑 ,而改造舊機(jī)床、配備數(shù)控系統(tǒng)把普通機(jī)床改裝成數(shù)控機(jī)床也是提高機(jī)床數(shù)控化率的一條有效途徑。 關(guān)鍵詞: 數(shù)控改造,主軸,可編程控制器, 進(jìn)給系統(tǒng),傳動(dòng)系統(tǒng) 4 ABSTRACT CNC technology level and CNC equipment have much to measure a country has bee an important symbol of modern industry. CNC machine as the typical electromechanical products, machinery manufacturing plays an enormous role, very good solution to the plex structure of modern machinery manufacturing, precision, small batch and changeable parts processing, and stable product quality can greatly improve the production efficiency. However, the development of numerical control technology is the biggest obstacle to acquire the initial investment of equipment, which many small and medium enterprises to bear. If the elimination of mon tools, and to buy expensive nc machine tools, will cause enormous waste. Therefore, the reform of the CNC lathes. Reforming the old machine, CNC system with the ordinary CNC machine is converted into improving nc rates efficient way. KEY WORDS c transformation, spindle, programmable controller, feeding system and transmission system 5 目 錄 目 錄 .................................................. 5 前 言 ................................................. 6 第一章 數(shù)控機(jī)床優(yōu)勢(shì)概述 ................................ 6 第二章 普通車床主要結(jié)構(gòu)的數(shù)控改造 ...................... 8 數(shù)控系統(tǒng) ......................................... 8 縱向( Z 向)進(jìn)給系統(tǒng)的改造 ....................... 10 改造思路 ...................................... 10 橫向( X 向)進(jìn)給系統(tǒng)的改造 ....................... 11 刀架 ............................................ 12 主軸傳動(dòng)系統(tǒng)與滑動(dòng)導(dǎo)軌副的改造 ................... 12 編碼器 .......................................... 13 第三章 光柵尺安裝與調(diào)試 ............................... 13 光柵尺的安裝 .................................... 13 光柵尺的校正 .................................... 14 第四章 參考點(diǎn)的建立 ................................... 14 第五章 結(jié)論 ........................................... 15 6 前 言 企業(yè)要在激烈的市場(chǎng)競(jìng)爭(zhēng)中獲得生存、得到發(fā)展 ,它必須在最短的時(shí)間內(nèi)以優(yōu)異的質(zhì)量、低廉的成本 ,制造出合乎市場(chǎng)需要的、性能合適的產(chǎn)品 ,而產(chǎn)品質(zhì)量的優(yōu)劣 ,制造周期的快慢 ,生產(chǎn)成本的高低 ,又往往受工廠現(xiàn)有加工設(shè)備的直接影響。因此,普通機(jī)床的數(shù)控化改造大有可為。但是,發(fā)展數(shù)控技術(shù)的最大障礙就是添置設(shè)備的初期投資大,這使許多中小型企業(yè)難以承受。 1 畢業(yè)設(shè)計(jì)說(shuō)明書(shū) (機(jī)電一體化工程) CA6140 車床主傳動(dòng)系統(tǒng)的數(shù)控改造