數(shù)控技術(shù)應(yīng)用現(xiàn)狀及發(fā)展

1、數(shù)控技術(shù)的現(xiàn)狀及發(fā)展宣威四中趙軍數(shù)控系統(tǒng)采用位數(shù)、頻率更高的處理器，以提高系統(tǒng)的基本運(yùn)算 速度。同時(shí)，采用超大規(guī)模的集成電路和多微處理器結(jié)構(gòu)，以提高系 統(tǒng)的數(shù)據(jù)處理能力，即提高插補(bǔ)運(yùn)算的速度和精度。并采用直線電機(jī) 直接驅(qū)動(dòng)機(jī)床工作臺(tái)的直線伺服進(jìn)給方式，其高速度和動(dòng)態(tài)響應(yīng)特性 相當(dāng)優(yōu)越。采用前饋控制技術(shù)，使追蹤滯后誤差大大減小，從而改善 拐角切削的加工精度。本文就從數(shù)控技術(shù)的發(fā)展趨勢(shì)、對(duì)我國(guó)數(shù)控技術(shù)及其產(chǎn)業(yè)發(fā)展的 基本估計(jì)、數(shù)控系統(tǒng)通信與網(wǎng)絡(luò)技術(shù)、還有數(shù)控機(jī)床故障診斷與維修 等幾個(gè)方面系統(tǒng)的闡述了目前中國(guó)的數(shù)控機(jī)床的現(xiàn)狀及其的發(fā)展趨 勢(shì)。關(guān)鍵詞：高速度;高精度化；數(shù)控機(jī)床.ABSTRACTCNC

2、 system uses the median, a higher frequency processors, to improve systems basic computational speed. At the same time, the use of ultra-large-scale integrated circuits and multi-microprocessor structure to enhance the capacity of data processing systems, namely, interpolation improve computing spee

3、d and accuracy. And the use of linear motor direct-drive linear servo machine table feed, and its high-speed and dynamic response characteristics of very superior. Using feedforward control techniques, so that the tracking lag error is greatly reduced, thereby improving the machining accuracy of cut

4、ting the corner.This article from the numerical control technology on the development trend of Chinas CNC technology and its industrial development of the basic estimates, numerical control system communications and network technology, as well as CNC machine tools such as fault diagnosis and repair

5、systems on some aspects of the current Chinese CNC machine tool Current Status and trends.Key words: high-speed; precision; CNC machine tools.從20世紀(jì)中葉數(shù)控技術(shù)出現(xiàn)以來(lái)，數(shù)控機(jī)床給機(jī)械制造業(yè)帶來(lái)了 革命性的變化。數(shù)控加工具有如下特點(diǎn)：加工柔性好，加工精度高， 生產(chǎn)率高，減輕操作者勞動(dòng)強(qiáng)度、改善勞動(dòng)條件，有利于生產(chǎn)管理的 現(xiàn)代化以及經(jīng)濟(jì)效益的提高。數(shù)控機(jī)床是一種高度機(jī)電一體化的產(chǎn) 品，適用于加工多品種小批量零件、結(jié)構(gòu)較復(fù)雜、精度要求較高的零 件、需要頻繁改型的零件、價(jià)格昂貴不允許報(bào)廢的關(guān)鍵零件、要求精 密復(fù)制的零件、需要縮短生產(chǎn)周期的急需零件以及要求100%檢驗(yàn)的零 件。數(shù)控機(jī)床的特點(diǎn)及其應(yīng)用范圍使其成為國(guó)民經(jīng)濟(jì)和國(guó)防建設(shè)發(fā)展的重要裝備。數(shù)控機(jī)床及由數(shù)控機(jī)床組成的制造系統(tǒng)是改造傳統(tǒng)產(chǎn)業(yè)、構(gòu)建數(shù) 字化企業(yè)的重要基礎(chǔ)裝備，它的發(fā)展一直備受人們關(guān)注。數(shù)控機(jī)床以 其卓越的柔性自動(dòng)化的性能、優(yōu)異而穩(wěn)定的精度、靈捷而多樣化的功 能