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sdp4-24-100rt

些工業(yè)發(fā)達(dá)國家相繼推出直線電機(jī)、高速主軸電機(jī)，而且付諸實(shí)用。

對于直線電機(jī)而言，其控制技術(shù)與傳統(tǒng)的交流伺服電機(jī)相差不多，

但由于直線電機(jī)本身沒有轉(zhuǎn)子等轉(zhuǎn)動(dòng)體，因而本身慣量小，所以具有高動(dòng)態(tài)響應(yīng)性，

而檢測元件直接安  裝于機(jī)械一側(cè)，從而檢測工作臺的位移，

也避免了旋轉(zhuǎn)電機(jī)在方向改變時(shí)所存在的換向間隙，

滿足了高速、高精密加工對伺服驅(qū)動(dòng)系統(tǒng)的要求。

從imts’2000展覽會(huì)來看，一些工業(yè)發(fā)達(dá)國家在高速加工技術(shù)方面處于領(lǐng)先水平，

ibag公司已向業(yè)界提供0.125～185kw，

最高轉(zhuǎn)速為14,000r/min的系列化高速內(nèi)裝式主軸系統(tǒng)，

徑向、軸向重復(fù)精度小于1µm，電機(jī)軸承有混合陶瓷軸承、液靜壓軸承、磁浮軸承三種，

采用水管冷卻，且內(nèi)置位置傳感器供加工中心atc之用。

主軸驅(qū)動(dòng)采用矢量變頻技術(shù)，

已在模具加工、高精密電極加工、鋁質(zhì)零件加工、高精度磨削加工等領(lǐng)域廣泛應(yīng)用

parker cd2hltvs33ac heavy-duty 2h hydraulic cylinder (2.5" bore/5.5" stroke) sae

parker cd2auv19ac series 2a,     *

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