本文選題：五軸數(shù)控機(jī)床 + S形檢驗(yàn)試件��； 參考：《機(jī)械工程學(xué)報(bào)》2017年21期

【摘要】：五軸數(shù)控機(jī)床的加工性能在制造行業(yè)一直是研究的熱點(diǎn),基于檢驗(yàn)試件切削是常見的測(cè)評(píng)方法,然而試件和機(jī)床之間的映射關(guān)系難以確定,出現(xiàn)誤差后如何調(diào)整精度成為難點(diǎn)。為了科學(xué)對(duì)其評(píng)價(jià),通過(guò)仿真平臺(tái)建立了機(jī)床控制系統(tǒng)參數(shù)與五軸機(jī)床檢驗(yàn)試件——S試件加工誤差之間的映射關(guān)系,引入機(jī)床各軸分類評(píng)價(jià)的隸屬度,此基礎(chǔ)上開發(fā)了誤差溯源的綜合評(píng)價(jià)體系,由三坐標(biāo)測(cè)量機(jī)得到的S件輪廓誤差數(shù)據(jù)反求出機(jī)床的加工性能等級(jí)和較差的軸類控制參數(shù),并制訂了基于S試件的機(jī)床加工精度測(cè)評(píng)規(guī)范,最后通過(guò)某五軸AB擺數(shù)控機(jī)床的切削試驗(yàn),驗(yàn)證了方法的有效性。該成果有助于解決我國(guó)高端制造業(yè)長(zhǎng)期缺乏機(jī)床性能測(cè)評(píng)的共性技術(shù)問(wèn)題,具有重要的應(yīng)用前景和經(jīng)濟(jì)價(jià)值。
[Abstract]:The machining performance of five-axis NC machine tool has been a hot topic in manufacturing industry. The test piece cutting is a common testing method based on inspection. However, the mapping relationship between the test piece and the machine tool is difficult to determine, and how to adjust the accuracy becomes difficult after errors occur. In order to evaluate the machine tool scientifically, the mapping relationship between the parameters of machine tool control system and the machining error of test piece S of five-axis machine tool is established through the simulation platform, and the membership degree of classification and evaluation of each axis of machine tool is introduced. On this basis, a comprehensive evaluation system of error traceability is developed. The machining performance grade and the poor shaft control parameters of the machine tool are obtained from the S part contour error data obtained from the coordinate measuring machine (CMM). The machining accuracy evaluation standard based on S specimen is established. Finally, the validity of the method is verified by the cutting test of a five-axis AB pendulum NC machine tool. This achievement is helpful to solve the common technical problem of the lack of machine tool performance evaluation in high-end manufacturing industry of our country for a long time, and has important application prospect and economic value.
【作者單位】： 電子科技大學(xué)機(jī)械電子工程學(xué)院;
【基金】：國(guó)家科技重大專項(xiàng)資助項(xiàng)目(2013ZX04001-021)
【分類號(hào)】：TG659

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