供應(yīng)1336S-C007-AA-EN-HA1-L4;
1336S-C007-AA-EN-HA1-L4。
軋輥磨床是一種具有特殊工藝要求的重要工業(yè)生產(chǎn)設(shè)備，主要用于磨削軋制機(jī)中的各種具有中凸度或中凹度（ 輥形曲線）的圓柱體軋輥，屬于專用磨床系列。軋輥磨床具有以下幾個(gè)運(yùn)動(dòng)軸：縱向的Z軸，橫向的X軸，偏心套的U軸，測(cè)量裝置的X1和X2軸，工件的轉(zhuǎn)動(dòng)，砂輪的轉(zhuǎn)動(dòng)。
由于軋輥的輥形曲線形狀復(fù)雜及其精度控制高的特殊要求，我們研究開發(fā)新一代基于SINUMERIK 840D平臺(tái)的納米級(jí)數(shù)控系統(tǒng)，與軋輥傳統(tǒng)加工工藝相結(jié)合，作為實(shí)現(xiàn)軋輥納米級(jí)（10-6mm）的高速高精度的磨削加工控制，以通常的 為單位輸入數(shù)控指令，以納米為單位進(jìn)行精密的位置計(jì)算，輸出控制各伺服軸運(yùn)動(dòng)的位置指令的“納米級(jí)插補(bǔ)器”和執(zhí)行該指令的高速高響應(yīng)的伺服控制器。該控制器使用高速CPU和的伺服電動(dòng)機(jī)及精密的位置測(cè)量與反饋元件，實(shí)現(xiàn)納米級(jí)進(jìn)給。最終實(shí)現(xiàn)軋輥磨床極為平滑和高速高精度進(jìn)給磨削及實(shí)現(xiàn)高性能、高品質(zhì)軋輥磨削。
本文主要介紹基于西門子的開放式SINUMERIK 840D為控制平臺(tái)，以軋輥磨床MK8463為控制對(duì)象，以O(shè)EM開發(fā)包為工具，利用高級(jí)編程語言Visual Basic6.0 和ViSual C++6.0等，應(yīng)用智能化技術(shù)和專家工藝系統(tǒng)開發(fā)實(shí)現(xiàn)的智能化納米級(jí)數(shù)控系統(tǒng)的結(jié)構(gòu)體系，功能模塊劃分和主要模塊的實(shí)現(xiàn)方法。
一、SINUMERIK 840D的開放性
開放式CNC系統(tǒng)是對(duì)傳統(tǒng)封閉式數(shù)控系統(tǒng)的根本突破，是當(dāng)今數(shù)控技術(shù)發(fā)展的主流。在控制系統(tǒng)的開放性方面，不同開發(fā)商及研究機(jī)構(gòu)采用的解決方案也不同。按開放的層次不同可分3 種途徑，開放層次不同，實(shí)現(xiàn)的難度不等，獲得的開放效果也相差很大，如圖1所示。圖中，虛線將控制系統(tǒng)劃分為人機(jī)控制（Man-Machine Control,MMC）層和控制內(nèi)核層兩個(gè)層面，其中控制內(nèi)核是CNC系統(tǒng)完成實(shí)時(shí)加工過程調(diào)度和控制的核心部分，一般和系統(tǒng)實(shí)時(shí)性相聯(lián)系。3種方式就是基于對(duì)這種兩個(gè)層面開放的不同處理來區(qū)分的。
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注：聯(lián)系我時(shí)，請(qǐng)說是在“傲立機(jī)床網(wǎng)”上看到的，謝謝！
